[PATCH] treewide: Convert uses of struct resource * toresource_size(ptr)

From: Joe Perches
Date: Mon Jun 06 2011 - 21:04:50 EST

Done via coccinelle script:

struct resource *ptr;
@@

- ptr->end - ptr->start + 1
+ resource_size(ptr)

Mostly uncompiled, not enough cross-compilers.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---

> I think most of the offenders were caught back in late 2009.

There are quite a few left...

arch/arm/common/scoop.c | 2 +-
arch/arm/mach-at91/at91sam9261_devices.c | 2 +-
arch/arm/mach-u300/core.c | 2 +-
arch/arm/plat-mxc/pwm.c | 8 ++++----
arch/arm/plat-s5p/sysmmu.c | 2 +-
arch/avr32/kernel/setup.c | 5 ++---
arch/avr32/mach-at32ap/extint.c | 2 +-
arch/avr32/mach-at32ap/hsmc.c | 2 +-
arch/avr32/mach-at32ap/intc.c | 2 +-
arch/avr32/mach-at32ap/pio.c | 2 +-
arch/mips/pci/pci-vr41xx.c | 2 +-
arch/powerpc/include/asm/macio.h | 2 +-
arch/powerpc/platforms/52xx/mpc52xx_pci.c | 6 +++---
arch/powerpc/sysdev/fsl_pci.c | 4 ++--
arch/powerpc/sysdev/ppc4xx_pci.c | 6 +++---
arch/sh/kernel/io_trapped.c | 8 ++++----
arch/sparc/kernel/ioport.c | 12 ++++++------
drivers/char/hw_random/timeriomem-rng.c | 2 +-
drivers/char/xilinx_hwicap/xilinx_hwicap.c | 2 +-
drivers/dma/at_hdmac.c | 4 ++--
drivers/dma/ipu/ipu_idmac.c | 6 ++----
drivers/dma/mv_xor.c | 5 ++---
drivers/gpio/vr41xx_giu.c | 2 +-
drivers/ide/palm_bk3710.c | 2 +-
drivers/ide/tx4939ide.c | 4 ++--
drivers/media/video/davinci/vpif.c | 2 +-
drivers/media/video/omap24xxcam.c | 5 ++---
drivers/mfd/tc6387xb.c | 2 +-
drivers/misc/atmel-ssc.c | 2 +-
drivers/misc/atmel_pwm.c | 2 +-
drivers/mmc/host/dw_mmc.c | 2 +-
drivers/mtd/maps/bfin-async-flash.c | 2 +-
drivers/mtd/maps/pxa2xx-flash.c | 2 +-
drivers/mtd/nand/atmel_nand.c | 4 ++--
drivers/mtd/nand/bcm_umi_nand.c | 2 +-
drivers/net/bcm63xx_enet.c | 8 ++++----
drivers/net/can/softing/softing_main.c | 2 +-
drivers/net/davinci_emac.c | 6 +++---
drivers/net/ethoc.c | 2 +-
drivers/net/mv643xx_eth.c | 2 +-
drivers/net/pxa168_eth.c | 2 +-
drivers/net/sb1250-mac.c | 2 +-
drivers/parport/parport_ax88796.c | 2 +-
drivers/pnp/pnpacpi/rsparser.c | 10 +++++-----
drivers/pnp/pnpbios/rsparser.c | 12 ++++++------
drivers/rtc/rtc-at32ap700x.c | 2 +-
drivers/rtc/rtc-ds1286.c | 2 +-
drivers/rtc/rtc-ds1511.c | 2 +-
drivers/rtc/rtc-ds1742.c | 2 +-
drivers/rtc/rtc-m48t35.c | 2 +-
drivers/rtc/rtc-m48t59.c | 2 +-
drivers/rtc/rtc-puv3.c | 5 ++---
drivers/rtc/rtc-s3c.c | 5 ++---
drivers/spi/ath79_spi.c | 2 +-
drivers/spi/omap2_mcspi.c | 10 +++++-----
drivers/spi/orion_spi.c | 6 +++---
drivers/spi/spi_tegra.c | 8 ++++----
drivers/tty/serial/imx.c | 5 ++---
drivers/tty/serial/m32r_sio.c | 2 +-
drivers/tty/serial/omap-serial.c | 4 ++--
drivers/tty/serial/pxa.c | 2 +-
drivers/tty/serial/sunsu.c | 2 +-
drivers/tty/serial/vt8500_serial.c | 3 +--
drivers/uio/uio_pdrv.c | 2 +-
drivers/uio/uio_pdrv_genirq.c | 2 +-
drivers/usb/gadget/atmel_usba_udc.c | 2 +-
drivers/usb/gadget/fsl_udc_core.c | 6 +++---
drivers/usb/host/ehci-ath79.c | 2 +-
drivers/usb/host/ehci-cns3xxx.c | 2 +-
drivers/usb/host/ehci-fsl.c | 2 +-
drivers/usb/host/ehci-ixp4xx.c | 2 +-
drivers/usb/host/ehci-octeon.c | 2 +-
drivers/usb/host/ehci-pmcmsp.c | 10 +++++-----
drivers/usb/host/ehci-w90x900.c | 2 +-
drivers/usb/host/ohci-ath79.c | 4 ++--
drivers/usb/host/ohci-cns3xxx.c | 2 +-
drivers/usb/host/ohci-da8xx.c | 2 +-
drivers/usb/host/ohci-octeon.c | 2 +-
drivers/usb/host/ohci-ppc-soc.c | 2 +-
drivers/usb/host/ohci-sm501.c | 11 +++++------
drivers/usb/host/ohci-tmio.c | 6 +++---
drivers/usb/host/oxu210hp-hcd.c | 2 +-
drivers/video/atmel_lcdfb.c | 4 ++--
drivers/video/aty/atyfb_base.c | 7 ++++---
drivers/video/au1100fb.c | 2 +-
drivers/video/cobalt_lcdfb.c | 2 +-
drivers/video/nuc900fb.c | 2 +-
drivers/video/pxa168fb.c | 2 +-
include/linux/pnp.h | 2 +-
sound/aoa/soundbus/i2sbus/core.c | 6 +++---
sound/atmel/abdac.c | 2 +-
sound/atmel/ac97c.c | 2 +-
92 files changed, 161 insertions(+), 170 deletions(-)

diff --git a/arch/arm/common/scoop.c b/arch/arm/common/scoop.c
index c11af1e..a07b0e7 100644
--- a/arch/arm/common/scoop.c
+++ b/arch/arm/common/scoop.c
@@ -193,7 +193,7 @@ static int __devinit scoop_probe(struct platform_device *pdev)
spin_lock_init(&devptr->scoop_lock);

inf = pdev->dev.platform_data;
- devptr->base = ioremap(mem->start, mem->end - mem->start + 1);
+ devptr->base = ioremap(mem->start, resource_size(mem));

if (!devptr->base) {
ret = -ENOMEM;
diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c
index 3eb4538..14dd6668 100644
--- a/arch/arm/mach-at91/at91sam9261_devices.c
+++ b/arch/arm/mach-at91/at91sam9261_devices.c
@@ -525,7 +525,7 @@ void __init at91_add_device_lcdc(struct atmel_lcdfb_info *data)
if (ARRAY_SIZE(lcdc_resources) > 2) {
void __iomem *fb;
struct resource *fb_res = &lcdc_resources[2];
- size_t fb_len = fb_res->end - fb_res->start + 1;
+ size_t fb_len = resource_size(fb_res);

fb = ioremap(fb_res->start, fb_len);
if (fb) {
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 513d6ab..399c89f 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -1791,7 +1791,7 @@ static void __init u300_assign_physmem(void)
0 == res->start) {
res->start = curr_start;
res->end += curr_start;
- curr_start += (res->end - res->start + 1);
+ curr_start += resource_size(res);

printk(KERN_INFO "core.c: Mapping RAM " \
"%#x-%#x to device %s:%s\n",
diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c
index 7a61ef8..761c3c9 100644
--- a/arch/arm/plat-mxc/pwm.c
+++ b/arch/arm/plat-mxc/pwm.c
@@ -214,14 +214,14 @@ static int __devinit mxc_pwm_probe(struct platform_device *pdev)
goto err_free_clk;
}

- r = request_mem_region(r->start, r->end - r->start + 1, pdev->name);
+ r = request_mem_region(r->start, resource_size(r), pdev->name);
if (r == NULL) {
dev_err(&pdev->dev, "failed to request memory resource\n");
ret = -EBUSY;
goto err_free_clk;
}

- pwm->mmio_base = ioremap(r->start, r->end - r->start + 1);
+ pwm->mmio_base = ioremap(r->start, resource_size(r));
if (pwm->mmio_base == NULL) {
dev_err(&pdev->dev, "failed to ioremap() registers\n");
ret = -ENODEV;
@@ -236,7 +236,7 @@ static int __devinit mxc_pwm_probe(struct platform_device *pdev)
return 0;

err_free_mem:
- release_mem_region(r->start, r->end - r->start + 1);
+ release_mem_region(r->start, resource_size(r));
err_free_clk:
clk_put(pwm->clk);
err_free:
@@ -260,7 +260,7 @@ static int __devexit mxc_pwm_remove(struct platform_device *pdev)
iounmap(pwm->mmio_base);

r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(r->start, r->end - r->start + 1);
+ release_mem_region(r->start, resource_size(r));

clk_put(pwm->clk);

diff --git a/arch/arm/plat-s5p/sysmmu.c b/arch/arm/plat-s5p/sysmmu.c
index 54f5edd..ca180bd 100644
--- a/arch/arm/plat-s5p/sysmmu.c
+++ b/arch/arm/plat-s5p/sysmmu.c
@@ -241,7 +241,7 @@ static int s5p_sysmmu_probe(struct platform_device *pdev)
goto err_res;
}

- sysmmusfrs[i] = ioremap(res->start, res->end - res->start + 1);
+ sysmmusfrs[i] = ioremap(res->start, resource_size(res));
if (!sysmmusfrs[i]) {
dev_err(dev, "Failed to ioremap() for %s.\n",
sysmmu_ips_name[i]);
diff --git a/arch/avr32/kernel/setup.c b/arch/avr32/kernel/setup.c
index bb0974c..086dc7c 100644
--- a/arch/avr32/kernel/setup.c
+++ b/arch/avr32/kernel/setup.c
@@ -444,7 +444,7 @@ static unsigned long __init
find_bootmap_pfn(const struct resource *mem)
{
unsigned long bootmap_pages, bootmap_len;
- unsigned long node_pages = PFN_UP(mem->end - mem->start + 1);
+ unsigned long node_pages = PFN_UP(resource_size(mem));
unsigned long bootmap_start;

bootmap_pages = bootmem_bootmap_pages(node_pages);
@@ -543,8 +543,7 @@ static void __init setup_bootmem(void)
&& res->end < PFN_PHYS(max_pfn))
reserve_bootmem_node(
NODE_DATA(node), res->start,
- res->end - res->start + 1,
- BOOTMEM_DEFAULT);
+ resource_size(res), BOOTMEM_DEFAULT);
}

node_set_online(node);
diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c
index fbc2aea..cfb298d 100644
--- a/arch/avr32/mach-at32ap/extint.c
+++ b/arch/avr32/mach-at32ap/extint.c
@@ -204,7 +204,7 @@ static int __init eic_probe(struct platform_device *pdev)
}

eic->first_irq = EIM_IRQ_BASE + 32 * pdev->id;
- eic->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ eic->regs = ioremap(regs->start, resource_size(regs));
if (!eic->regs) {
dev_dbg(&pdev->dev, "failed to map regs\n");
goto err_ioremap;
diff --git a/arch/avr32/mach-at32ap/hsmc.c b/arch/avr32/mach-at32ap/hsmc.c
index f7672d3..f66245e 100644
--- a/arch/avr32/mach-at32ap/hsmc.c
+++ b/arch/avr32/mach-at32ap/hsmc.c
@@ -245,7 +245,7 @@ static int hsmc_probe(struct platform_device *pdev)

hsmc->pclk = pclk;
hsmc->mck = mck;
- hsmc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ hsmc->regs = ioremap(regs->start, resource_size(regs));
if (!hsmc->regs)
goto out_disable_clocks;

diff --git a/arch/avr32/mach-at32ap/intc.c b/arch/avr32/mach-at32ap/intc.c
index 3e36461..6c70043 100644
--- a/arch/avr32/mach-at32ap/intc.c
+++ b/arch/avr32/mach-at32ap/intc.c
@@ -107,7 +107,7 @@ void __init init_IRQ(void)

clk_enable(pclk);

- intc0.regs = ioremap(regs->start, regs->end - regs->start + 1);
+ intc0.regs = ioremap(regs->start, resource_size(regs));
if (!intc0.regs) {
printk(KERN_EMERG "intc: failed to map registers (0x%08lx)\n",
(unsigned long)regs->start);
diff --git a/arch/avr32/mach-at32ap/pio.c b/arch/avr32/mach-at32ap/pio.c
index 2e0aa85..9b39dea 100644
--- a/arch/avr32/mach-at32ap/pio.c
+++ b/arch/avr32/mach-at32ap/pio.c
@@ -461,7 +461,7 @@ void __init at32_init_pio(struct platform_device *pdev)
clk_enable(pio->clk);

pio->pdev = pdev;
- pio->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ pio->regs = ioremap(regs->start, resource_size(regs));

/* start with irqs disabled and acked */
pio_writel(pio, IDR, ~0UL);
diff --git a/arch/mips/pci/pci-vr41xx.c b/arch/mips/pci/pci-vr41xx.c
index 5652571..444b8d8 100644
--- a/arch/mips/pci/pci-vr41xx.c
+++ b/arch/mips/pci/pci-vr41xx.c
@@ -305,7 +305,7 @@ static int __init vr41xx_pciu_init(void)
struct resource *res = vr41xx_pci_controller.io_resource;
master = setup->master_io;
io_map_base = ioremap(master->bus_base_address,
- res->end - res->start + 1);
+ resource_size(res));
if (!io_map_base)
return -EBUSY;

diff --git a/arch/powerpc/include/asm/macio.h b/arch/powerpc/include/asm/macio.h
index 7ab82c8..27af7f8 100644
--- a/arch/powerpc/include/asm/macio.h
+++ b/arch/powerpc/include/asm/macio.h
@@ -76,7 +76,7 @@ static inline unsigned long macio_resource_len(struct macio_dev *dev, int resour
struct resource *res = &dev->resource[resource_no];
if (res->start == 0 || res->end == 0 || res->end < res->start)
return 0;
- return res->end - res->start + 1;
+ return resource_size(res);
}

extern int macio_enable_devres(struct macio_dev *dev);
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_pci.c b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
index da110bd..33f99e3 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_pci.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_pci.c
@@ -264,7 +264,7 @@ mpc52xx_pci_setup(struct pci_controller *hose,
(unsigned long long)res->flags);
out_be32(&pci_regs->iw0btar,
MPC52xx_PCI_IWBTAR_TRANSLATION(res->start, res->start,
- res->end - res->start + 1));
+ resource_size(res)));
iwcr0 = MPC52xx_PCI_IWCR_ENABLE | MPC52xx_PCI_IWCR_MEM;
if (res->flags & IORESOURCE_PREFETCH)
iwcr0 |= MPC52xx_PCI_IWCR_READ_MULTI;
@@ -278,7 +278,7 @@ mpc52xx_pci_setup(struct pci_controller *hose,
res->start, res->end, res->flags);
out_be32(&pci_regs->iw1btar,
MPC52xx_PCI_IWBTAR_TRANSLATION(res->start, res->start,
- res->end - res->start + 1));
+ resource_size(res)));
iwcr1 = MPC52xx_PCI_IWCR_ENABLE | MPC52xx_PCI_IWCR_MEM;
if (res->flags & IORESOURCE_PREFETCH)
iwcr1 |= MPC52xx_PCI_IWCR_READ_MULTI;
@@ -300,7 +300,7 @@ mpc52xx_pci_setup(struct pci_controller *hose,
out_be32(&pci_regs->iw2btar,
MPC52xx_PCI_IWBTAR_TRANSLATION(hose->io_base_phys,
res->start,
- res->end - res->start + 1));
+ resource_size(res)));
iwcr2 = MPC52xx_PCI_IWCR_ENABLE | MPC52xx_PCI_IWCR_IO;

/* Set all the IWCR fields at once; they're in the same reg */
diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c
index 68ca929..5f65180 100644
--- a/arch/powerpc/sysdev/fsl_pci.c
+++ b/arch/powerpc/sysdev/fsl_pci.c
@@ -64,7 +64,7 @@ static int __init setup_one_atmu(struct ccsr_pci __iomem *pci,
{
resource_size_t pci_addr = res->start - offset;
resource_size_t phys_addr = res->start;
- resource_size_t size = res->end - res->start + 1;
+ resource_size_t size = resource_size(res);
u32 flags = 0x80044000; /* enable & mem R/W */
unsigned int i;

@@ -116,7 +116,7 @@ static void __init setup_pci_atmu(struct pci_controller *hose,
end_idx = 3;
}

- pci = ioremap(rsrc->start, rsrc->end - rsrc->start + 1);
+ pci = ioremap(rsrc->start, resource_size(rsrc));
if (!pci) {
dev_err(hose->parent, "Unable to map ATMU registers\n");
return;
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index 156aa7d..5300905 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -290,7 +290,7 @@ static void __init ppc4xx_configure_pci_PTMs(struct pci_controller *hose,
void __iomem *reg,
const struct resource *res)
{
- resource_size_t size = res->end - res->start + 1;
+ resource_size_t size = resource_size(res);
u32 sa;

/* Calculate window size */
@@ -492,7 +492,7 @@ static void __init ppc4xx_configure_pcix_PIMs(struct pci_controller *hose,
int big_pim,
int enable_msi_hole)
{
- resource_size_t size = res->end - res->start + 1;
+ resource_size_t size = resource_size(res);
u32 sa;

/* RAM is always at 0 */
@@ -1639,7 +1639,7 @@ static void __init ppc4xx_configure_pciex_PIMs(struct ppc4xx_pciex_port *port,
void __iomem *mbase,
struct resource *res)
{
- resource_size_t size = res->end - res->start + 1;
+ resource_size_t size = resource_size(res);
u64 sa;

if (port->endpoint) {
diff --git a/arch/sh/kernel/io_trapped.c b/arch/sh/kernel/io_trapped.c
index 32c385e..0f62f46 100644
--- a/arch/sh/kernel/io_trapped.c
+++ b/arch/sh/kernel/io_trapped.c
@@ -58,7 +58,7 @@ int register_trapped_io(struct trapped_io *tiop)

for (k = 0; k < tiop->num_resources; k++) {
res = tiop->resource + k;
- len += roundup((res->end - res->start) + 1, PAGE_SIZE);
+ len += roundup(resource_size(res), PAGE_SIZE);
flags |= res->flags;
}

@@ -85,7 +85,7 @@ int register_trapped_io(struct trapped_io *tiop)
(unsigned long)(tiop->virt_base + len),
res->flags & IORESOURCE_IO ? "io" : "mmio",
(unsigned long)res->start);
- len += roundup((res->end - res->start) + 1, PAGE_SIZE);
+ len += roundup(resource_size(res), PAGE_SIZE);
}

tiop->magic = IO_TRAPPED_MAGIC;
@@ -128,7 +128,7 @@ void __iomem *match_trapped_io_handler(struct list_head *list,
return tiop->virt_base + voffs;
}

- len = (res->end - res->start) + 1;
+ len = resource_size(res);
voffs += roundup(len, PAGE_SIZE);
}
}
@@ -173,7 +173,7 @@ static unsigned long lookup_address(struct trapped_io *tiop,

for (k = 0; k < tiop->num_resources; k++) {
res = tiop->resource + k;
- len = roundup((res->end - res->start) + 1, PAGE_SIZE);
+ len = roundup(resource_size(res), PAGE_SIZE);
if (address < (vaddr + len))
return res->start + (address - vaddr);
vaddr += len;
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 92700c1..d302d78 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -229,7 +229,7 @@ _sparc_ioremap(struct resource *res, u32 bus, u32 pa, int sz)
}

pa &= PAGE_MASK;
- sparc_mapiorange(bus, pa, res->start, res->end - res->start + 1);
+ sparc_mapiorange(bus, pa, res->start, resource_size(res));

return (void __iomem *)(unsigned long)(res->start + offset);
}
@@ -241,7 +241,7 @@ static void _sparc_free_io(struct resource *res)
{
unsigned long plen;

- plen = res->end - res->start + 1;
+ plen = resource_size(res);
BUG_ON((plen & (PAGE_SIZE-1)) != 0);
sparc_unmapiorange(res->start, plen);
release_resource(res);
@@ -332,9 +332,9 @@ static void sbus_free_coherent(struct device *dev, size_t n, void *p,
}

n = PAGE_ALIGN(n);
- if ((res->end-res->start)+1 != n) {
+ if (resource_size(res) != n) {
printk("sbus_free_consistent: region 0x%lx asked 0x%zx\n",
- (long)((res->end-res->start)+1), n);
+ (long)(resource_size(res)), n);
return;
}

@@ -505,9 +505,9 @@ static void pci32_free_coherent(struct device *dev, size_t n, void *p,
}

n = PAGE_ALIGN(n);
- if ((res->end-res->start)+1 != n) {
+ if (resource_size(res) != n) {
printk("pci_free_consistent: region 0x%lx asked 0x%lx\n",
- (long)((res->end-res->start)+1), (long)n);
+ (long)(resource_size(res)), (long)n);
return;
}

diff --git a/drivers/char/hw_random/timeriomem-rng.c b/drivers/char/hw_random/timeriomem-rng.c
index a94e930..c18ae2b 100644
--- a/drivers/char/hw_random/timeriomem-rng.c
+++ b/drivers/char/hw_random/timeriomem-rng.c
@@ -101,7 +101,7 @@ static int __devinit timeriomem_rng_probe(struct platform_device *pdev)
timeriomem_rng_data = pdev->dev.platform_data;

timeriomem_rng_data->address = ioremap(res->start,
- res->end - res->start + 1);
+ resource_size(res));
if (!timeriomem_rng_data->address)
return -EIO;

diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 39ccdea..e90e1c7 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -621,7 +621,7 @@ static int __devinit hwicap_setup(struct device *dev, int id,

drvdata->mem_start = regs_res->start;
drvdata->mem_end = regs_res->end;
- drvdata->mem_size = regs_res->end - regs_res->start + 1;
+ drvdata->mem_size = resource_size(regs_res);

if (!request_mem_region(drvdata->mem_start,
drvdata->mem_size, DRIVER_NAME)) {
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 36144f8..6a483ea 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -1216,7 +1216,7 @@ static int __init at_dma_probe(struct platform_device *pdev)
atdma->dma_common.cap_mask = pdata->cap_mask;
atdma->all_chan_mask = (1 << pdata->nr_channels) - 1;

- size = io->end - io->start + 1;
+ size = resource_size(io);
if (!request_mem_region(io->start, size, pdev->dev.driver->name)) {
err = -EBUSY;
goto err_kfree;
@@ -1362,7 +1362,7 @@ static int __exit at_dma_remove(struct platform_device *pdev)
atdma->regs = NULL;

io = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(io->start, io->end - io->start + 1);
+ release_mem_region(io->start, resource_size(io));

kfree(atdma);

diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index c1a125e..25447a8 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -1705,16 +1705,14 @@ static int __init ipu_probe(struct platform_device *pdev)
ipu_data.irq_fn, ipu_data.irq_err, ipu_data.irq_base);

/* Remap IPU common registers */
- ipu_data.reg_ipu = ioremap(mem_ipu->start,
- mem_ipu->end - mem_ipu->start + 1);
+ ipu_data.reg_ipu = ioremap(mem_ipu->start, resource_size(mem_ipu));
if (!ipu_data.reg_ipu) {
ret = -ENOMEM;
goto err_ioremap_ipu;
}

/* Remap Image Converter and Image DMA Controller registers */
- ipu_data.reg_ic = ioremap(mem_ic->start,
- mem_ic->end - mem_ic->start + 1);
+ ipu_data.reg_ic = ioremap(mem_ic->start, resource_size(mem_ic));
if (!ipu_data.reg_ic) {
ret = -ENOMEM;
goto err_ioremap_ic;
diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index 954e334..06f9f27 100644
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -1304,8 +1304,7 @@ static int mv_xor_shared_probe(struct platform_device *pdev)
if (!res)
return -ENODEV;

- msp->xor_base = devm_ioremap(&pdev->dev, res->start,
- res->end - res->start + 1);
+ msp->xor_base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
if (!msp->xor_base)
return -EBUSY;

@@ -1314,7 +1313,7 @@ static int mv_xor_shared_probe(struct platform_device *pdev)
return -ENODEV;

msp->xor_high_base = devm_ioremap(&pdev->dev, res->start,
- res->end - res->start + 1);
+ resource_size(res));
if (!msp->xor_high_base)
return -EBUSY;

diff --git a/drivers/gpio/vr41xx_giu.c b/drivers/gpio/vr41xx_giu.c
index a365be0..98723cb 100644
--- a/drivers/gpio/vr41xx_giu.c
+++ b/drivers/gpio/vr41xx_giu.c
@@ -518,7 +518,7 @@ static int __devinit giu_probe(struct platform_device *pdev)
if (!res)
return -EBUSY;

- giu_base = ioremap(res->start, res->end - res->start + 1);
+ giu_base = ioremap(res->start, resource_size(res));
if (!giu_base)
return -ENOMEM;

diff --git a/drivers/ide/palm_bk3710.c b/drivers/ide/palm_bk3710.c
index 9e8f4e1..712c790 100644
--- a/drivers/ide/palm_bk3710.c
+++ b/drivers/ide/palm_bk3710.c
@@ -342,7 +342,7 @@ static int __init palm_bk3710_probe(struct platform_device *pdev)
return -ENODEV;
}

- mem_size = mem->end - mem->start + 1;
+ mem_size = resource_size(mem);
if (request_mem_region(mem->start, mem_size, "palm_bk3710") == NULL) {
printk(KERN_ERR "failed to request memory region\n");
return -EBUSY;
diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c
index bed3e39..71c2319 100644
--- a/drivers/ide/tx4939ide.c
+++ b/drivers/ide/tx4939ide.c
@@ -551,10 +551,10 @@ static int __init tx4939ide_probe(struct platform_device *pdev)
return -ENODEV;

if (!devm_request_mem_region(&pdev->dev, res->start,
- res->end - res->start + 1, "tx4938ide"))
+ resource_size(res), "tx4938ide"))
return -EBUSY;
mapbase = (unsigned long)devm_ioremap(&pdev->dev, res->start,
- res->end - res->start + 1);
+ resource_size(res));
if (!mapbase)
return -EBUSY;
memset(&hw, 0, sizeof(hw));
diff --git a/drivers/media/video/davinci/vpif.c b/drivers/media/video/davinci/vpif.c
index 9f3bfc1..af96802 100644
--- a/drivers/media/video/davinci/vpif.c
+++ b/drivers/media/video/davinci/vpif.c
@@ -422,7 +422,7 @@ static int __init vpif_probe(struct platform_device *pdev)
if (!res)
return -ENOENT;

- res_len = res->end - res->start + 1;
+ res_len = resource_size(res);

res = request_mem_region(res->start, res_len, res->name);
if (!res)
diff --git a/drivers/media/video/omap24xxcam.c b/drivers/media/video/omap24xxcam.c
index f6626e8..69b60ba 100644
--- a/drivers/media/video/omap24xxcam.c
+++ b/drivers/media/video/omap24xxcam.c
@@ -1768,14 +1768,13 @@ static int __devinit omap24xxcam_probe(struct platform_device *pdev)
dev_err(cam->dev, "no mem resource?\n");
goto err;
}
- if (!request_mem_region(mem->start, (mem->end - mem->start) + 1,
- pdev->name)) {
+ if (!request_mem_region(mem->start, resource_size(mem), pdev->name)) {
dev_err(cam->dev,
"cannot reserve camera register I/O region\n");
goto err;
}
cam->mmio_base_phys = mem->start;
- cam->mmio_size = (mem->end - mem->start) + 1;
+ cam->mmio_size = resource_size(mem);

/* map the region */
cam->mmio_base = (unsigned long)
diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c
index ad715bf..71bc835 100644
--- a/drivers/mfd/tc6387xb.c
+++ b/drivers/mfd/tc6387xb.c
@@ -177,7 +177,7 @@ static int __devinit tc6387xb_probe(struct platform_device *dev)
if (ret)
goto err_resource;

- tc6387xb->scr = ioremap(rscr->start, rscr->end - rscr->start + 1);
+ tc6387xb->scr = ioremap(rscr->start, resource_size(rscr));
if (!tc6387xb->scr) {
ret = -ENOMEM;
goto err_ioremap;
diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c
index 4afffe6..769a4e8 100644
--- a/drivers/misc/atmel-ssc.c
+++ b/drivers/misc/atmel-ssc.c
@@ -95,7 +95,7 @@ static int __init ssc_probe(struct platform_device *pdev)
}

ssc->pdev = pdev;
- ssc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ ssc->regs = ioremap(regs->start, resource_size(regs));
if (!ssc->regs) {
dev_dbg(&pdev->dev, "ioremap failed\n");
retval = -EINVAL;
diff --git a/drivers/misc/atmel_pwm.c b/drivers/misc/atmel_pwm.c
index 0f3fb4f..28f5aaa 100644
--- a/drivers/misc/atmel_pwm.c
+++ b/drivers/misc/atmel_pwm.c
@@ -329,7 +329,7 @@ static int __init pwm_probe(struct platform_device *pdev)
p->pdev = pdev;
p->mask = *mp;
p->irq = irq;
- p->base = ioremap(r->start, r->end - r->start + 1);
+ p->base = ioremap(r->start, resource_size(r));
if (!p->base)
goto fail;
p->clk = clk_get(&pdev->dev, "pwm_clk");
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 66dcddb..2a069f9 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1595,7 +1595,7 @@ static int dw_mci_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&host->queue);

ret = -ENOMEM;
- host->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ host->regs = ioremap(regs->start, resource_size(regs));
if (!host->regs)
goto err_freehost;

diff --git a/drivers/mtd/maps/bfin-async-flash.c b/drivers/mtd/maps/bfin-async-flash.c
index d4297a9..67815ee 100644
--- a/drivers/mtd/maps/bfin-async-flash.c
+++ b/drivers/mtd/maps/bfin-async-flash.c
@@ -142,7 +142,7 @@ static int __devinit bfin_flash_probe(struct platform_device *pdev)
state->map.write = bfin_flash_write;
state->map.copy_to = bfin_flash_copy_to;
state->map.bankwidth = pdata->width;
- state->map.size = memory->end - memory->start + 1;
+ state->map.size = resource_size(memory);
state->map.virt = (void __iomem *)memory->start;
state->map.phys = memory->start;
state->map.map_priv_1 = (unsigned long)state;
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index f59d62f..7ae137d 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -70,7 +70,7 @@ static int __devinit pxa2xx_flash_probe(struct platform_device *pdev)
info->map.name = (char *) flash->name;
info->map.bankwidth = flash->width;
info->map.phys = res->start;
- info->map.size = res->end - res->start + 1;
+ info->map.size = resource_size(res);
info->parts = flash->parts;
info->nr_parts = flash->nr_parts;

diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index b300705..d4ba1f2 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -513,7 +513,7 @@ static int __init atmel_nand_probe(struct platform_device *pdev)

host->io_phys = (dma_addr_t)mem->start;

- host->io_base = ioremap(mem->start, mem->end - mem->start + 1);
+ host->io_base = ioremap(mem->start, resource_size(mem));
if (host->io_base == NULL) {
printk(KERN_ERR "atmel_nand: ioremap failed\n");
res = -EIO;
@@ -547,7 +547,7 @@ static int __init atmel_nand_probe(struct platform_device *pdev)
if (no_ecc)
nand_chip->ecc.mode = NAND_ECC_NONE;
if (hard_ecc && regs) {
- host->ecc = ioremap(regs->start, regs->end - regs->start + 1);
+ host->ecc = ioremap(regs->start, resource_size(regs));
if (host->ecc == NULL) {
printk(KERN_ERR "atmel_nand: ioremap failed\n");
res = -EIO;
diff --git a/drivers/mtd/nand/bcm_umi_nand.c b/drivers/mtd/nand/bcm_umi_nand.c
index 9ec2807..8c569e4 100644
--- a/drivers/mtd/nand/bcm_umi_nand.c
+++ b/drivers/mtd/nand/bcm_umi_nand.c
@@ -380,7 +380,7 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
return -ENXIO;

/* map physical address */
- bcm_umi_io_base = ioremap(r->start, r->end - r->start + 1);
+ bcm_umi_io_base = ioremap(r->start, resource_size(r));

if (!bcm_umi_io_base) {
printk(KERN_ERR "ioremap to access BCM UMI NAND chip failed\n");
diff --git a/drivers/net/bcm63xx_enet.c b/drivers/net/bcm63xx_enet.c
index f1573d4..85045cd 100644
--- a/drivers/net/bcm63xx_enet.c
+++ b/drivers/net/bcm63xx_enet.c
@@ -1646,7 +1646,7 @@ static int __devinit bcm_enet_probe(struct platform_device *pdev)
if (ret)
goto out;

- iomem_size = res_mem->end - res_mem->start + 1;
+ iomem_size = resource_size(res_mem);
if (!request_mem_region(res_mem->start, iomem_size, "bcm63xx_enet")) {
ret = -EBUSY;
goto out;
@@ -1861,7 +1861,7 @@ static int __devexit bcm_enet_remove(struct platform_device *pdev)
/* release device resources */
iounmap(priv->base);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));

/* disable hw block clocks */
if (priv->phy_clk) {
@@ -1897,7 +1897,7 @@ static int __devinit bcm_enet_shared_probe(struct platform_device *pdev)
if (!res)
return -ENODEV;

- iomem_size = res->end - res->start + 1;
+ iomem_size = resource_size(res);
if (!request_mem_region(res->start, iomem_size, "bcm63xx_enet_dma"))
return -EBUSY;

@@ -1915,7 +1915,7 @@ static int __devexit bcm_enet_shared_remove(struct platform_device *pdev)

iounmap(bcm_enet_shared_base);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
return 0;
}

diff --git a/drivers/net/can/softing/softing_main.c b/drivers/net/can/softing/softing_main.c
index 60a49e5..f76e88e 100644
--- a/drivers/net/can/softing/softing_main.c
+++ b/drivers/net/can/softing/softing_main.c
@@ -799,7 +799,7 @@ static __devinit int softing_pdev_probe(struct platform_device *pdev)
if (!pres)
goto platform_resource_failed;
card->dpram_phys = pres->start;
- card->dpram_size = pres->end - pres->start + 1;
+ card->dpram_size = resource_size(pres);
card->dpram = ioremap_nocache(card->dpram_phys, card->dpram_size);
if (!card->dpram) {
dev_alert(&card->pdev->dev, "dpram ioremap failed\n");
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index dcc4a17..c35ba5f 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -1821,7 +1821,7 @@ static int __devinit davinci_emac_probe(struct platform_device *pdev)
}

priv->emac_base_phys = res->start + pdata->ctrl_reg_offset;
- size = res->end - res->start + 1;
+ size = resource_size(res);
if (!request_mem_region(res->start, size, ndev->name)) {
dev_err(&pdev->dev, "failed request_mem_region() for regs\n");
rc = -ENXIO;
@@ -1926,7 +1926,7 @@ no_irq_res:
cpdma_ctlr_destroy(priv->dma);
no_dma:
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
iounmap(priv->remap_addr);

probe_quit:
@@ -1960,7 +1960,7 @@ static int __devexit davinci_emac_remove(struct platform_device *pdev)
cpdma_chan_destroy(priv->rxchan);
cpdma_ctlr_destroy(priv->dma);

- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));

unregister_netdev(ndev);
iounmap(priv->remap_addr);
diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c
index a83dd31..15e4a71 100644
--- a/drivers/net/ethoc.c
+++ b/drivers/net/ethoc.c
@@ -965,7 +965,7 @@ static int __devinit ethoc_probe(struct platform_device *pdev)
priv = netdev_priv(netdev);
priv->netdev = netdev;
priv->dma_alloc = 0;
- priv->io_region_size = mmio->end - mmio->start + 1;
+ priv->io_region_size = resource_size(mmio);

priv->iobase = devm_ioremap_nocache(&pdev->dev, netdev->base_addr,
resource_size(mmio));
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index a5d9b1c..b756482 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -2593,7 +2593,7 @@ static int mv643xx_eth_shared_probe(struct platform_device *pdev)
if (msp == NULL)
goto out;

- msp->base = ioremap(res->start, res->end - res->start + 1);
+ msp->base = ioremap(res->start, resource_size(res));
if (msp->base == NULL)
goto out_free;

diff --git a/drivers/net/pxa168_eth.c b/drivers/net/pxa168_eth.c
index 89f7540..df1292e 100644
--- a/drivers/net/pxa168_eth.c
+++ b/drivers/net/pxa168_eth.c
@@ -1502,7 +1502,7 @@ static int pxa168_eth_probe(struct platform_device *pdev)
err = -ENODEV;
goto err_netdev;
}
- pep->base = ioremap(res->start, res->end - res->start + 1);
+ pep->base = ioremap(res->start, resource_size(res));
if (pep->base == NULL) {
err = -ENOMEM;
goto err_netdev;
diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
index 68d5042..ea65f7e 100644
--- a/drivers/net/sb1250-mac.c
+++ b/drivers/net/sb1250-mac.c
@@ -2597,7 +2597,7 @@ static int __devinit sbmac_probe(struct platform_device *pldev)

res = platform_get_resource(pldev, IORESOURCE_MEM, 0);
BUG_ON(!res);
- sbm_base = ioremap_nocache(res->start, res->end - res->start + 1);
+ sbm_base = ioremap_nocache(res->start, resource_size(res));
if (!sbm_base) {
printk(KERN_ERR "%s: unable to map device registers\n",
dev_name(&pldev->dev));
diff --git a/drivers/parport/parport_ax88796.c b/drivers/parport/parport_ax88796.c
index 2c5ac2b..844f613 100644
--- a/drivers/parport/parport_ax88796.c
+++ b/drivers/parport/parport_ax88796.c
@@ -293,7 +293,7 @@ static int parport_ax88796_probe(struct platform_device *pdev)
goto exit_mem;
}

- size = (res->end - res->start) + 1;
+ size = resource_size(res);
spacing = size / 3;

dd->io = request_mem_region(res->start, size, pdev->name);
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 100e4d9..1a6937d9 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -1018,7 +1018,7 @@ static void pnpacpi_encode_io(struct pnp_dev *dev,
io->minimum = p->start;
io->maximum = p->end;
io->alignment = 0; /* Correct? */
- io->address_length = p->end - p->start + 1;
+ io->address_length = resource_size(p);
} else {
io->minimum = 0;
io->address_length = 0;
@@ -1036,7 +1036,7 @@ static void pnpacpi_encode_fixed_io(struct pnp_dev *dev,

if (pnp_resource_enabled(p)) {
fixed_io->address = p->start;
- fixed_io->address_length = p->end - p->start + 1;
+ fixed_io->address_length = resource_size(p);
} else {
fixed_io->address = 0;
fixed_io->address_length = 0;
@@ -1059,7 +1059,7 @@ static void pnpacpi_encode_mem24(struct pnp_dev *dev,
memory24->minimum = p->start;
memory24->maximum = p->end;
memory24->alignment = 0;
- memory24->address_length = p->end - p->start + 1;
+ memory24->address_length = resource_size(p);
} else {
memory24->minimum = 0;
memory24->address_length = 0;
@@ -1083,7 +1083,7 @@ static void pnpacpi_encode_mem32(struct pnp_dev *dev,
memory32->minimum = p->start;
memory32->maximum = p->end;
memory32->alignment = 0;
- memory32->address_length = p->end - p->start + 1;
+ memory32->address_length = resource_size(p);
} else {
memory32->minimum = 0;
memory32->alignment = 0;
@@ -1106,7 +1106,7 @@ static void pnpacpi_encode_fixed_mem32(struct pnp_dev *dev,
p->flags & IORESOURCE_MEM_WRITEABLE ?
ACPI_READ_WRITE_MEMORY : ACPI_READ_ONLY_MEMORY;
fixed_memory32->address = p->start;
- fixed_memory32->address_length = p->end - p->start + 1;
+ fixed_memory32->address_length = resource_size(p);
} else {
fixed_memory32->address = 0;
fixed_memory32->address_length = 0;
diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c
index cb1f47b..cca2f9f 100644
--- a/drivers/pnp/pnpbios/rsparser.c
+++ b/drivers/pnp/pnpbios/rsparser.c
@@ -505,7 +505,7 @@ static void pnpbios_encode_mem(struct pnp_dev *dev, unsigned char *p,

if (pnp_resource_enabled(res)) {
base = res->start;
- len = res->end - res->start + 1;
+ len = resource_size(res);
} else {
base = 0;
len = 0;
@@ -529,7 +529,7 @@ static void pnpbios_encode_mem32(struct pnp_dev *dev, unsigned char *p,

if (pnp_resource_enabled(res)) {
base = res->start;
- len = res->end - res->start + 1;
+ len = resource_size(res);
} else {
base = 0;
len = 0;
@@ -559,7 +559,7 @@ static void pnpbios_encode_fixed_mem32(struct pnp_dev *dev, unsigned char *p,

if (pnp_resource_enabled(res)) {
base = res->start;
- len = res->end - res->start + 1;
+ len = resource_size(res);
} else {
base = 0;
len = 0;
@@ -617,7 +617,7 @@ static void pnpbios_encode_port(struct pnp_dev *dev, unsigned char *p,

if (pnp_resource_enabled(res)) {
base = res->start;
- len = res->end - res->start + 1;
+ len = resource_size(res);
} else {
base = 0;
len = 0;
@@ -636,11 +636,11 @@ static void pnpbios_encode_fixed_port(struct pnp_dev *dev, unsigned char *p,
struct resource *res)
{
unsigned long base = res->start;
- unsigned long len = res->end - res->start + 1;
+ unsigned long len = resource_size(res);

if (pnp_resource_enabled(res)) {
base = res->start;
- len = res->end - res->start + 1;
+ len = resource_size(res);
} else {
base = 0;
len = 0;
diff --git a/drivers/rtc/rtc-at32ap700x.c b/drivers/rtc/rtc-at32ap700x.c
index e725d51..8dd0830 100644
--- a/drivers/rtc/rtc-at32ap700x.c
+++ b/drivers/rtc/rtc-at32ap700x.c
@@ -223,7 +223,7 @@ static int __init at32_rtc_probe(struct platform_device *pdev)
}

rtc->irq = irq;
- rtc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ rtc->regs = ioremap(regs->start, resource_size(regs));
if (!rtc->regs) {
ret = -ENOMEM;
dev_dbg(&pdev->dev, "could not map I/O memory\n");
diff --git a/drivers/rtc/rtc-ds1286.c b/drivers/rtc/rtc-ds1286.c
index 47e681d..68e6caf 100644
--- a/drivers/rtc/rtc-ds1286.c
+++ b/drivers/rtc/rtc-ds1286.c
@@ -343,7 +343,7 @@ static int __devinit ds1286_probe(struct platform_device *pdev)
if (!priv)
return -ENOMEM;

- priv->size = res->end - res->start + 1;
+ priv->size = resource_size(res);
if (!request_mem_region(res->start, priv->size, pdev->name)) {
ret = -EBUSY;
goto out;
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index fbabc77..568ad30 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -490,7 +490,7 @@ ds1511_rtc_probe(struct platform_device *pdev)
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
- pdata->size = res->end - res->start + 1;
+ pdata->size = resource_size(res);
if (!devm_request_mem_region(&pdev->dev, res->start, pdata->size,
pdev->name))
return -EBUSY;
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 042630c..d84a448d 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -173,7 +173,7 @@ static int __devinit ds1742_rtc_probe(struct platform_device *pdev)
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
- pdata->size = res->end - res->start + 1;
+ pdata->size = resource_size(res);
if (!devm_request_mem_region(&pdev->dev, res->start, pdata->size,
pdev->name))
return -EBUSY;
diff --git a/drivers/rtc/rtc-m48t35.c b/drivers/rtc/rtc-m48t35.c
index 7410875..8e2a24e 100644
--- a/drivers/rtc/rtc-m48t35.c
+++ b/drivers/rtc/rtc-m48t35.c
@@ -154,7 +154,7 @@ static int __devinit m48t35_probe(struct platform_device *pdev)
if (!priv)
return -ENOMEM;

- priv->size = res->end - res->start + 1;
+ priv->size = resource_size(res);
/*
* kludge: remove the #ifndef after ioc3 resource
* conflicts are resolved
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index 3978f4c..2836538 100644
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -433,7 +433,7 @@ static int __devinit m48t59_rtc_probe(struct platform_device *pdev)

if (!m48t59->ioaddr) {
/* ioaddr not mapped externally */
- m48t59->ioaddr = ioremap(res->start, res->end - res->start + 1);
+ m48t59->ioaddr = ioremap(res->start, resource_size(res));
if (!m48t59->ioaddr)
goto out;
}
diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c
index 46f14b8..b3eba3c 100644
--- a/drivers/rtc/rtc-puv3.c
+++ b/drivers/rtc/rtc-puv3.c
@@ -267,9 +267,8 @@ static int puv3_rtc_probe(struct platform_device *pdev)
return -ENOENT;
}

- puv3_rtc_mem = request_mem_region(res->start,
- res->end-res->start+1,
- pdev->name);
+ puv3_rtc_mem = request_mem_region(res->start, resource_size(res),
+ pdev->name);

if (puv3_rtc_mem == NULL) {
dev_err(&pdev->dev, "failed to reserve memory region\n");
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 16512ec..2a65e85 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -455,8 +455,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
return -ENOENT;
}

- s3c_rtc_mem = request_mem_region(res->start,
- res->end-res->start+1,
+ s3c_rtc_mem = request_mem_region(res->start, resource_size(res),
pdev->name);

if (s3c_rtc_mem == NULL) {
@@ -465,7 +464,7 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
goto err_nores;
}

- s3c_rtc_base = ioremap(res->start, res->end - res->start + 1);
+ s3c_rtc_base = ioremap(res->start, resource_size(res));
if (s3c_rtc_base == NULL) {
dev_err(&pdev->dev, "failed ioremap()\n");
ret = -EINVAL;
diff --git a/drivers/spi/ath79_spi.c b/drivers/spi/ath79_spi.c
index fcff810..03019bf 100644
--- a/drivers/spi/ath79_spi.c
+++ b/drivers/spi/ath79_spi.c
@@ -232,7 +232,7 @@ static __devinit int ath79_spi_probe(struct platform_device *pdev)
goto err_put_master;
}

- sp->base = ioremap(r->start, r->end - r->start + 1);
+ sp->base = ioremap(r->start, resource_size(r));
if (!sp->base) {
ret = -ENXIO;
goto err_put_master;
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 969cdd2..fde3a2d 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -1116,8 +1116,8 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
status = -ENODEV;
goto err1;
}
- if (!request_mem_region(r->start, (r->end - r->start) + 1,
- dev_name(&pdev->dev))) {
+ if (!request_mem_region(r->start, resource_size(r),
+ dev_name(&pdev->dev))) {
status = -EBUSY;
goto err1;
}
@@ -1125,7 +1125,7 @@ static int __init omap2_mcspi_probe(struct platform_device *pdev)
r->start += pdata->regs_offset;
r->end += pdata->regs_offset;
mcspi->phys = r->start;
- mcspi->base = ioremap(r->start, r->end - r->start + 1);
+ mcspi->base = ioremap(r->start, resource_size(r));
if (!mcspi->base) {
dev_dbg(&pdev->dev, "can't ioremap MCSPI\n");
status = -ENOMEM;
@@ -1190,7 +1190,7 @@ err4:
err3:
kfree(mcspi->dma_channels);
err2:
- release_mem_region(r->start, (r->end - r->start) + 1);
+ release_mem_region(r->start, resource_size(r));
iounmap(mcspi->base);
err1:
return status;
@@ -1210,7 +1210,7 @@ static int __exit omap2_mcspi_remove(struct platform_device *pdev)

omap2_mcspi_disable_clocks(mcspi);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(r->start, (r->end - r->start) + 1);
+ release_mem_region(r->start, resource_size(r));

base = mcspi->base;
spi_unregister_master(master);
diff --git a/drivers/spi/orion_spi.c b/drivers/spi/orion_spi.c
index 0b677dc..afa2b76 100644
--- a/drivers/spi/orion_spi.c
+++ b/drivers/spi/orion_spi.c
@@ -489,7 +489,7 @@ static int __init orion_spi_probe(struct platform_device *pdev)
goto out;
}

- if (!request_mem_region(r->start, (r->end - r->start) + 1,
+ if (!request_mem_region(r->start, resource_size(r),
dev_name(&pdev->dev))) {
status = -EBUSY;
goto out;
@@ -511,7 +511,7 @@ static int __init orion_spi_probe(struct platform_device *pdev)
return status;

out_rel_mem:
- release_mem_region(r->start, (r->end - r->start) + 1);
+ release_mem_region(r->start, resource_size(r));

out:
spi_master_put(master);
@@ -531,7 +531,7 @@ static int __exit orion_spi_remove(struct platform_device *pdev)
cancel_work_sync(&spi->work);

r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(r->start, (r->end - r->start) + 1);
+ release_mem_region(r->start, resource_size(r));

spi_unregister_master(master);

diff --git a/drivers/spi/spi_tegra.c b/drivers/spi/spi_tegra.c
index 6c3aa6e..8e30727 100644
--- a/drivers/spi/spi_tegra.c
+++ b/drivers/spi/spi_tegra.c
@@ -498,14 +498,14 @@ static int __init spi_tegra_probe(struct platform_device *pdev)
goto err0;
}

- if (!request_mem_region(r->start, (r->end - r->start) + 1,
+ if (!request_mem_region(r->start, resource_size(r),
dev_name(&pdev->dev))) {
ret = -EBUSY;
goto err0;
}

tspi->phys = r->start;
- tspi->base = ioremap(r->start, r->end - r->start + 1);
+ tspi->base = ioremap(r->start, resource_size(r));
if (!tspi->base) {
dev_err(&pdev->dev, "can't ioremap iomem\n");
ret = -ENOMEM;
@@ -563,7 +563,7 @@ err3:
err2:
iounmap(tspi->base);
err1:
- release_mem_region(r->start, (r->end - r->start) + 1);
+ release_mem_region(r->start, resource_size(r));
err0:
spi_master_put(master);
return ret;
@@ -588,7 +588,7 @@ static int __devexit spi_tegra_remove(struct platform_device *pdev)
iounmap(tspi->base);

r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(r->start, (r->end - r->start) + 1);
+ release_mem_region(r->start, resource_size(r));

return 0;
}
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index a544731..22fe801 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -954,7 +954,7 @@ static void imx_release_port(struct uart_port *port)
struct resource *mmres;

mmres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- release_mem_region(mmres->start, mmres->end - mmres->start + 1);
+ release_mem_region(mmres->start, resource_size(mmres));
}

/*
@@ -970,8 +970,7 @@ static int imx_request_port(struct uart_port *port)
if (!mmres)
return -ENODEV;

- ret = request_mem_region(mmres->start, mmres->end - mmres->start + 1,
- "imx-uart");
+ ret = request_mem_region(mmres->start, resource_size(mmres), "imx-uart");

return ret ? 0 : -EBUSY;
}
diff --git a/drivers/tty/serial/m32r_sio.c b/drivers/tty/serial/m32r_sio.c
index 84db732..8e07517 100644
--- a/drivers/tty/serial/m32r_sio.c
+++ b/drivers/tty/serial/m32r_sio.c
@@ -892,7 +892,7 @@ static int m32r_sio_request_port(struct uart_port *port)
* If we have a mapbase, then request that as well.
*/
if (ret == 0 && up->port.flags & UPF_IOREMAP) {
- int size = res->end - res->start + 1;
+ int size = resource_size(res);

up->port.membase = ioremap(up->port.mapbase, size);
if (!up->port.membase)
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 47cadf4..f194d6c 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -1241,7 +1241,7 @@ static int serial_omap_probe(struct platform_device *pdev)
return -ENODEV;
}

- if (!request_mem_region(mem->start, (mem->end - mem->start) + 1,
+ if (!request_mem_region(mem->start, resource_size(mem),
pdev->dev.driver->name)) {
dev_err(&pdev->dev, "memory region already claimed\n");
return -EBUSY;
@@ -1308,7 +1308,7 @@ err:
dev_err(&pdev->dev, "[UART%d]: failure [%s]: %d\n",
pdev->id, __func__, ret);
do_release_region:
- release_mem_region(mem->start, (mem->end - mem->start) + 1);
+ release_mem_region(mem->start, resource_size(mem));
return ret;
}

diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c
index 4302e6e..531931c 100644
--- a/drivers/tty/serial/pxa.c
+++ b/drivers/tty/serial/pxa.c
@@ -803,7 +803,7 @@ static int serial_pxa_probe(struct platform_device *dev)
break;
}

- sport->port.membase = ioremap(mmres->start, mmres->end - mmres->start + 1);
+ sport->port.membase = ioremap(mmres->start, resource_size(mmres));
if (!sport->port.membase) {
ret = -ENOMEM;
goto err_clk;
diff --git a/drivers/tty/serial/sunsu.c b/drivers/tty/serial/sunsu.c
index 92aa545..ad0f8f5 100644
--- a/drivers/tty/serial/sunsu.c
+++ b/drivers/tty/serial/sunsu.c
@@ -1435,7 +1435,7 @@ static int __devinit su_probe(struct platform_device *op)

rp = &op->resource[0];
up->port.mapbase = rp->start;
- up->reg_size = (rp->end - rp->start) + 1;
+ up->reg_size = resource_size(rp);
up->port.membase = of_ioremap(rp, 0, up->reg_size, "su");
if (!up->port.membase) {
if (type != SU_PORT_PORT)
diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c
index 37fc4e3..026cb9e 100644
--- a/drivers/tty/serial/vt8500_serial.c
+++ b/drivers/tty/serial/vt8500_serial.c
@@ -573,8 +573,7 @@ static int __init vt8500_serial_probe(struct platform_device *pdev)
snprintf(vt8500_port->name, sizeof(vt8500_port->name),
"VT8500 UART%d", pdev->id);

- vt8500_port->uart.membase = ioremap(mmres->start,
- mmres->end - mmres->start + 1);
+ vt8500_port->uart.membase = ioremap(mmres->start, resource_size(mmres));
if (!vt8500_port->uart.membase) {
ret = -ENOMEM;
goto err;
diff --git a/drivers/uio/uio_pdrv.c b/drivers/uio/uio_pdrv.c
index 7d3e469..bdc3db9 100644
--- a/drivers/uio/uio_pdrv.c
+++ b/drivers/uio/uio_pdrv.c
@@ -58,7 +58,7 @@ static int uio_pdrv_probe(struct platform_device *pdev)

uiomem->memtype = UIO_MEM_PHYS;
uiomem->addr = r->start;
- uiomem->size = r->end - r->start + 1;
+ uiomem->size = resource_size(r);
++uiomem;
}

diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index 0f424af..31e799d 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -137,7 +137,7 @@ static int uio_pdrv_genirq_probe(struct platform_device *pdev)

uiomem->memtype = UIO_MEM_PHYS;
uiomem->addr = r->start;
- uiomem->size = r->end - r->start + 1;
+ uiomem->size = resource_size(r);
++uiomem;
}

diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index db1a659..f045c89 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -272,7 +272,7 @@ static void usba_init_debugfs(struct usba_udc *udc)

regs_resource = platform_get_resource(udc->pdev, IORESOURCE_MEM,
CTRL_IOMEM_ID);
- regs->d_inode->i_size = regs_resource->end - regs_resource->start + 1;
+ regs->d_inode->i_size = resource_size(regs_resource);
udc->debugfs_regs = regs;

usba_ep_init_debugfs(udc, to_usba_ep(udc->gadget.ep0));
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index 2cd9a60..9c8e56f 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -2445,7 +2445,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
}

if (pdata->operating_mode == FSL_USB2_DR_DEVICE) {
- if (!request_mem_region(res->start, res->end - res->start + 1,
+ if (!request_mem_region(res->start, resource_size(res),
driver_name)) {
ERR("request mem region for %s failed\n", pdev->name);
ret = -EBUSY;
@@ -2593,7 +2593,7 @@ err_iounmap_noclk:
iounmap(dr_regs);
err_release_mem_region:
if (pdata->operating_mode == FSL_USB2_DR_DEVICE)
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));
err_kfree:
kfree(udc_controller);
udc_controller = NULL;
@@ -2628,7 +2628,7 @@ static int __exit fsl_udc_remove(struct platform_device *pdev)
free_irq(udc_controller->irq, udc_controller);
iounmap(dr_regs);
if (pdata->operating_mode == FSL_USB2_DR_DEVICE)
- release_mem_region(res->start, res->end - res->start + 1);
+ release_mem_region(res->start, resource_size(res));

device_unregister(&udc_controller->gadget.dev);
/* free udc --wait for the release() finished */
diff --git a/drivers/usb/host/ehci-ath79.c b/drivers/usb/host/ehci-ath79.c
index 98cc8a1..eab3d70 100644
--- a/drivers/usb/host/ehci-ath79.c
+++ b/drivers/usb/host/ehci-ath79.c
@@ -146,7 +146,7 @@ static int ehci_ath79_probe(struct platform_device *pdev)
return -ENOMEM;

hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dev_dbg(&pdev->dev, "controller already in use\n");
diff --git a/drivers/usb/host/ehci-cns3xxx.c b/drivers/usb/host/ehci-cns3xxx.c
index d41745c..6536abd 100644
--- a/drivers/usb/host/ehci-cns3xxx.c
+++ b/drivers/usb/host/ehci-cns3xxx.c
@@ -107,7 +107,7 @@ static int cns3xxx_ehci_probe(struct platform_device *pdev)
}

hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
driver->description)) {
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index f380bf9..34a3140 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -100,7 +100,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver,
goto err2;
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
driver->description)) {
dev_dbg(&pdev->dev, "controller already in use\n");
diff --git a/drivers/usb/host/ehci-ixp4xx.c b/drivers/usb/host/ehci-ixp4xx.c
index 50e600d..c4460f3 100644
--- a/drivers/usb/host/ehci-ixp4xx.c
+++ b/drivers/usb/host/ehci-ixp4xx.c
@@ -100,7 +100,7 @@ static int ixp4xx_ehci_probe(struct platform_device *pdev)
goto fail_request_resource;
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
driver->description)) {
diff --git a/drivers/usb/host/ehci-octeon.c b/drivers/usb/host/ehci-octeon.c
index ff55757..c3ba3ed 100644
--- a/drivers/usb/host/ehci-octeon.c
+++ b/drivers/usb/host/ehci-octeon.c
@@ -124,7 +124,7 @@ static int ehci_octeon_drv_probe(struct platform_device *pdev)
return -ENOMEM;

hcd->rsrc_start = res_mem->start;
- hcd->rsrc_len = res_mem->end - res_mem->start + 1;
+ hcd->rsrc_len = resource_size(res_mem);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
OCTEON_EHCI_HCD_NAME)) {
diff --git a/drivers/usb/host/ehci-pmcmsp.c b/drivers/usb/host/ehci-pmcmsp.c
index cd69099..e8d54de 100644
--- a/drivers/usb/host/ehci-pmcmsp.c
+++ b/drivers/usb/host/ehci-pmcmsp.c
@@ -124,7 +124,7 @@ static int usb_hcd_msp_map_regs(struct mspusb_device *dev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (res == NULL)
return -ENOMEM;
- res_len = res->end - res->start + 1;
+ res_len = resource_size(res);
if (!request_mem_region(res->start, res_len, "mab regs"))
return -EBUSY;

@@ -140,7 +140,7 @@ static int usb_hcd_msp_map_regs(struct mspusb_device *dev)
retval = -ENOMEM;
goto err2;
}
- res_len = res->end - res->start + 1;
+ res_len = resource_size(res);
if (!request_mem_region(res->start, res_len, "usbid regs")) {
retval = -EBUSY;
goto err2;
@@ -154,13 +154,13 @@ static int usb_hcd_msp_map_regs(struct mspusb_device *dev)
return 0;
err3:
res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
- res_len = res->end - res->start + 1;
+ res_len = resource_size(res);
release_mem_region(res->start, res_len);
err2:
iounmap(dev->mab_regs);
err1:
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- res_len = res->end - res->start + 1;
+ res_len = resource_size(res);
release_mem_region(res->start, res_len);
dev_err(&pdev->dev, "Failed to map non-EHCI regs.\n");
return retval;
@@ -194,7 +194,7 @@ int usb_hcd_msp_probe(const struct hc_driver *driver,
goto err1;
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, dev->name)) {
retval = -EBUSY;
goto err1;
diff --git a/drivers/usb/host/ehci-w90x900.c b/drivers/usb/host/ehci-w90x900.c
index 52a027a..d661cf7 100644
--- a/drivers/usb/host/ehci-w90x900.c
+++ b/drivers/usb/host/ehci-w90x900.c
@@ -41,7 +41,7 @@ static int __devinit usb_w90x900_probe(const struct hc_driver *driver,
}

hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
retval = -EBUSY;
diff --git a/drivers/usb/host/ohci-ath79.c b/drivers/usb/host/ohci-ath79.c
index ffea3e7..c620c50 100644
--- a/drivers/usb/host/ohci-ath79.c
+++ b/drivers/usb/host/ohci-ath79.c
@@ -93,8 +93,8 @@ static int ohci_ath79_probe(struct platform_device *pdev)
ret = -ENODEV;
goto err_put_hcd;
}
- hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = resource_size(res);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dev_dbg(&pdev->dev, "controller already in use\n");
diff --git a/drivers/usb/host/ohci-cns3xxx.c b/drivers/usb/host/ohci-cns3xxx.c
index f05ef87..5a00a1e 100644
--- a/drivers/usb/host/ohci-cns3xxx.c
+++ b/drivers/usb/host/ohci-cns3xxx.c
@@ -100,7 +100,7 @@ static int cns3xxx_ohci_probe(struct platform_device *pdev)
goto err1;
}
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
driver->description)) {
diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c
index d22fb4d..6aca2c4 100644
--- a/drivers/usb/host/ohci-da8xx.c
+++ b/drivers/usb/host/ohci-da8xx.c
@@ -322,7 +322,7 @@ static int usb_hcd_da8xx_probe(const struct hc_driver *driver,
goto err2;
}
hcd->rsrc_start = mem->start;
- hcd->rsrc_len = mem->end - mem->start + 1;
+ hcd->rsrc_len = resource_size(mem);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dev_dbg(&pdev->dev, "request_mem_region failed\n");
diff --git a/drivers/usb/host/ohci-octeon.c b/drivers/usb/host/ohci-octeon.c
index e4ddfaf..d8b4564 100644
--- a/drivers/usb/host/ohci-octeon.c
+++ b/drivers/usb/host/ohci-octeon.c
@@ -135,7 +135,7 @@ static int ohci_octeon_drv_probe(struct platform_device *pdev)
return -ENOMEM;

hcd->rsrc_start = res_mem->start;
- hcd->rsrc_len = res_mem->end - res_mem->start + 1;
+ hcd->rsrc_len = resource_size(res_mem);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
OCTEON_OHCI_HCD_NAME)) {
diff --git a/drivers/usb/host/ohci-ppc-soc.c b/drivers/usb/host/ohci-ppc-soc.c
index 89e670e..c0f595c 100644
--- a/drivers/usb/host/ohci-ppc-soc.c
+++ b/drivers/usb/host/ohci-ppc-soc.c
@@ -56,7 +56,7 @@ static int usb_hcd_ppc_soc_probe(const struct hc_driver *driver,
if (!hcd)
return -ENOMEM;
hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
pr_debug("%s: request_mem_region failed\n", __FILE__);
diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
index 041d30f..78918ca 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -103,8 +103,7 @@ static int ohci_hcd_sm501_drv_probe(struct platform_device *pdev)
goto err0;
}

- if (!request_mem_region(mem->start, mem->end - mem->start + 1,
- pdev->name)) {
+ if (!request_mem_region(mem->start, resource_size(mem), pdev->name)) {
dev_err(dev, "request_mem_region failed\n");
retval = -EBUSY;
goto err0;
@@ -126,7 +125,7 @@ static int ohci_hcd_sm501_drv_probe(struct platform_device *pdev)

if (!dma_declare_coherent_memory(dev, mem->start,
mem->start - mem->parent->start,
- (mem->end - mem->start) + 1,
+ resource_size(mem),
DMA_MEMORY_MAP |
DMA_MEMORY_EXCLUSIVE)) {
dev_err(dev, "cannot declare coherent memory\n");
@@ -149,7 +148,7 @@ static int ohci_hcd_sm501_drv_probe(struct platform_device *pdev)
}

hcd->rsrc_start = res->start;
- hcd->rsrc_len = res->end - res->start + 1;
+ hcd->rsrc_len = resource_size(res);

if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, pdev->name)) {
dev_err(dev, "request_mem_region failed\n");
@@ -185,7 +184,7 @@ err3:
err2:
dma_release_declared_memory(dev);
err1:
- release_mem_region(mem->start, mem->end - mem->start + 1);
+ release_mem_region(mem->start, resource_size(mem));
err0:
return retval;
}
@@ -201,7 +200,7 @@ static int ohci_hcd_sm501_drv_remove(struct platform_device *pdev)
dma_release_declared_memory(&pdev->dev);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (mem)
- release_mem_region(mem->start, mem->end - mem->start + 1);
+ release_mem_region(mem->start, resource_size(mem));

/* mask interrupts and disable power */

diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c
index 3558491..57ad127 100644
--- a/drivers/usb/host/ohci-tmio.c
+++ b/drivers/usb/host/ohci-tmio.c
@@ -208,13 +208,13 @@ static int __devinit ohci_hcd_tmio_drv_probe(struct platform_device *dev)
}

hcd->rsrc_start = regs->start;
- hcd->rsrc_len = regs->end - regs->start + 1;
+ hcd->rsrc_len = resource_size(regs);

tmio = hcd_to_tmio(hcd);

spin_lock_init(&tmio->lock);

- tmio->ccr = ioremap(config->start, config->end - config->start + 1);
+ tmio->ccr = ioremap(config->start, resource_size(config));
if (!tmio->ccr) {
ret = -ENOMEM;
goto err_ioremap_ccr;
@@ -228,7 +228,7 @@ static int __devinit ohci_hcd_tmio_drv_probe(struct platform_device *dev)

if (!dma_declare_coherent_memory(&dev->dev, sram->start,
sram->start,
- sram->end - sram->start + 1,
+ resource_size(sram),
DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE)) {
ret = -EBUSY;
goto err_dma_declare;
diff --git a/drivers/usb/host/oxu210hp-hcd.c b/drivers/usb/host/oxu210hp-hcd.c
index 5fbe997..dcd8898 100644
--- a/drivers/usb/host/oxu210hp-hcd.c
+++ b/drivers/usb/host/oxu210hp-hcd.c
@@ -3828,7 +3828,7 @@ static int oxu_drv_probe(struct platform_device *pdev)
return -ENODEV;
}
memstart = res->start;
- memlen = res->end - res->start + 1;
+ memlen = resource_size(res);
dev_dbg(&pdev->dev, "MEM resource %lx-%lx\n", memstart, memlen);
if (!request_mem_region(memstart, memlen,
oxu_hc_driver.description)) {
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 4484c72..817ab60 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -906,7 +906,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
if (map) {
/* use a pre-allocated memory buffer */
info->fix.smem_start = map->start;
- info->fix.smem_len = map->end - map->start + 1;
+ info->fix.smem_len = resource_size(map);
if (!request_mem_region(info->fix.smem_start,
info->fix.smem_len, pdev->name)) {
ret = -EBUSY;
@@ -932,7 +932,7 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)

/* LCDC registers */
info->fix.mmio_start = regs->start;
- info->fix.mmio_len = regs->end - regs->start + 1;
+ info->fix.mmio_len = resource_size(regs);

if (!request_mem_region(info->fix.mmio_start,
info->fix.mmio_len, pdev->name)) {
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index ebb893c..ad41f50 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -3460,9 +3460,10 @@ static int __devinit atyfb_setup_generic(struct pci_dev *pdev,

raddr = addr + 0x7ff000UL;
rrp = &pdev->resource[2];
- if ((rrp->flags & IORESOURCE_MEM) && request_mem_region(rrp->start, rrp->end - rrp->start + 1, "atyfb")) {
+ if ((rrp->flags & IORESOURCE_MEM) &&
+ request_mem_region(rrp->start, resource_size(rrp), "atyfb")) {
par->aux_start = rrp->start;
- par->aux_size = rrp->end - rrp->start + 1;
+ par->aux_size = resource_size(rrp);
raddr = rrp->start;
PRINTKI("using auxiliary register aperture\n");
}
@@ -3552,7 +3553,7 @@ static int __devinit atyfb_pci_probe(struct pci_dev *pdev,

/* Reserve space */
res_start = rp->start;
- res_size = rp->end - rp->start + 1;
+ res_size = resource_size(rp);
if (!request_mem_region(res_start, res_size, "atyfb"))
return -EBUSY;

diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c
index 34b2fc47..01a8fde 100644
--- a/drivers/video/au1100fb.c
+++ b/drivers/video/au1100fb.c
@@ -486,7 +486,7 @@ static int __devinit au1100fb_drv_probe(struct platform_device *dev)
}

au1100fb_fix.mmio_start = regs_res->start;
- au1100fb_fix.mmio_len = regs_res->end - regs_res->start + 1;
+ au1100fb_fix.mmio_len = resource_size(regs_res);

if (!request_mem_region(au1100fb_fix.mmio_start, au1100fb_fix.mmio_len,
DRIVER_NAME)) {
diff --git a/drivers/video/cobalt_lcdfb.c b/drivers/video/cobalt_lcdfb.c
index 42fe155..e027643 100644
--- a/drivers/video/cobalt_lcdfb.c
+++ b/drivers/video/cobalt_lcdfb.c
@@ -303,7 +303,7 @@ static int __devinit cobalt_lcdfb_probe(struct platform_device *dev)
return -EBUSY;
}

- info->screen_size = res->end - res->start + 1;
+ info->screen_size = resource_size(res);
info->screen_base = ioremap(res->start, info->screen_size);
info->fbops = &cobalt_lcd_fbops;
info->fix = cobalt_lcdfb_fix;
diff --git a/drivers/video/nuc900fb.c b/drivers/video/nuc900fb.c
index f838d9e..0fff5978 100644
--- a/drivers/video/nuc900fb.c
+++ b/drivers/video/nuc900fb.c
@@ -551,7 +551,7 @@ static int __devinit nuc900fb_probe(struct platform_device *pdev)

res = platform_get_resource(pdev, IORESOURCE_MEM, 0);

- size = (res->end - res->start) + 1;
+ size = resource_size(res);
fbi->mem = request_mem_region(res->start, size, pdev->name);
if (fbi->mem == NULL) {
dev_err(&pdev->dev, "failed to alloc memory region\n");
diff --git a/drivers/video/pxa168fb.c b/drivers/video/pxa168fb.c
index bb95ec5..18ead6f 100644
--- a/drivers/video/pxa168fb.c
+++ b/drivers/video/pxa168fb.c
@@ -662,7 +662,7 @@ static int __devinit pxa168fb_probe(struct platform_device *pdev)
info->fix.ypanstep = 0;
info->fix.ywrapstep = 0;
info->fix.mmio_start = res->start;
- info->fix.mmio_len = res->end - res->start + 1;
+ info->fix.mmio_len = resource_size(res);
info->fix.accel = FB_ACCEL_NONE;
info->fbops = &pxa168fb_ops;
info->pseudo_palette = fbi->pseudo_palette;
diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 1bc1338..195aafc 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -50,7 +50,7 @@ static inline resource_size_t pnp_resource_len(struct resource *res)
{
if (res->start == 0 && res->end == 0)
return 0;
- return res->end - res->start + 1;
+ return resource_size(res);
}


diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c
index 3ff8cc5..8bd132a 100644
--- a/sound/aoa/soundbus/i2sbus/core.c
+++ b/sound/aoa/soundbus/i2sbus/core.c
@@ -272,19 +272,19 @@ static int i2sbus_add_dev(struct macio_dev *macio,
}

r = &dev->resources[aoa_resource_i2smmio];
- rlen = r->end - r->start + 1;
+ rlen = resource_size(r);
if (rlen < sizeof(struct i2s_interface_regs))
goto err;
dev->intfregs = ioremap(r->start, rlen);

r = &dev->resources[aoa_resource_txdbdma];
- rlen = r->end - r->start + 1;
+ rlen = resource_size(r);
if (rlen < sizeof(struct dbdma_regs))
goto err;
dev->out.dbdma = ioremap(r->start, rlen);

r = &dev->resources[aoa_resource_rxdbdma];
- rlen = r->end - r->start + 1;
+ rlen = resource_size(r);
if (rlen < sizeof(struct dbdma_regs))
goto err;
dev->in.dbdma = ioremap(r->start, rlen);
diff --git a/sound/atmel/abdac.c b/sound/atmel/abdac.c
index 6e24091..30468b3 100644
--- a/sound/atmel/abdac.c
+++ b/sound/atmel/abdac.c
@@ -448,7 +448,7 @@ static int __devinit atmel_abdac_probe(struct platform_device *pdev)
goto out_free_card;
}

- dac->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ dac->regs = ioremap(regs->start, resource_size(regs));
if (!dac->regs) {
dev_dbg(&pdev->dev, "could not remap register memory\n");
goto out_free_card;
diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index b310702..41b901b 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -971,7 +971,7 @@ static int __devinit atmel_ac97c_probe(struct platform_device *pdev)
chip->card = card;
chip->pclk = pclk;
chip->pdev = pdev;
- chip->regs = ioremap(regs->start, regs->end - regs->start + 1);
+ chip->regs = ioremap(regs->start, resource_size(regs));

if (!chip->regs) {
dev_dbg(&pdev->dev, "could not remap register memory\n");
--
1.7.6.rc0



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