[RFC 23/42] drivers/spi: don't check resource with devm_ioremap_resource
From: Wolfram Sang
Date: Fri May 10 2013 - 04:24:50 EST
devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
---
drivers/spi/spi-bcm63xx.c | 8 +-------
drivers/spi/spi-ep93xx.c | 8 +-------
drivers/spi/spi-omap2-mcspi.c | 7 +------
drivers/spi/spi-s3c64xx.c | 7 +------
drivers/spi/spi-sirf.c | 7 +------
drivers/spi/spi-tegra114.c | 7 +------
drivers/spi/spi-tegra20-sflash.c | 5 -----
drivers/spi/spi-tegra20-slink.c | 7 +------
8 files changed, 7 insertions(+), 49 deletions(-)
diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index a4ec5f4..9804ee0 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -378,13 +378,6 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
struct bcm63xx_spi *bs;
int ret;
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r) {
- dev_err(dev, "no iomem\n");
- ret = -ENXIO;
- goto out;
- }
-
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(dev, "no irq\n");
@@ -411,6 +404,7 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, master);
bs->pdev = pdev;
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
bs->regs = devm_ioremap_resource(&pdev->dev, r);
if (IS_ERR(bs->regs)) {
ret = PTR_ERR(bs->regs);
diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c
index d7bac60..213cb7a3 100644
--- a/drivers/spi/spi-ep93xx.c
+++ b/drivers/spi/spi-ep93xx.c
@@ -1076,15 +1076,9 @@ static int ep93xx_spi_probe(struct platform_device *pdev)
goto fail_put_clock;
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res) {
- dev_err(&pdev->dev, "unable to get iomem resource\n");
- error = -ENODEV;
- goto fail_put_clock;
- }
-
espi->sspdr_phys = res->start + SSPDR;
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
espi->regs_base = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(espi->regs_base)) {
error = PTR_ERR(espi->regs_base);
diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 86d2158..31c054e 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -1228,16 +1228,11 @@ static int omap2_mcspi_probe(struct platform_device *pdev)
}
regs_offset = pdata->regs_offset;
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (r == NULL) {
- status = -ENODEV;
- goto free_master;
- }
-
r->start += regs_offset;
r->end += regs_offset;
mcspi->phys = r->start;
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
mcspi->base = devm_ioremap_resource(&pdev->dev, r);
if (IS_ERR(mcspi->base)) {
status = PTR_ERR(mcspi->base);
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 5000586..fd763cc 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1243,12 +1243,6 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
return -ENODEV;
}
- mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (mem_res == NULL) {
- dev_err(&pdev->dev, "Unable to get SPI MEM resource\n");
- return -ENXIO;
- }
-
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_warn(&pdev->dev, "Failed to get IRQ: %d\n", irq);
@@ -1318,6 +1312,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
/* the spi->mode bits understood by this driver: */
master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
+ mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
sdd->regs = devm_ioremap_resource(&pdev->dev, mem_res);
if (IS_ERR(sdd->regs)) {
ret = PTR_ERR(sdd->regs);
diff --git a/drivers/spi/spi-sirf.c b/drivers/spi/spi-sirf.c
index 0808cd5..318ca5b 100644
--- a/drivers/spi/spi-sirf.c
+++ b/drivers/spi/spi-sirf.c
@@ -502,12 +502,6 @@ static int spi_sirfsoc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, master);
sspi = spi_master_get_devdata(master);
- mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!mem_res) {
- dev_err(&pdev->dev, "Unable to get IO resource\n");
- ret = -ENODEV;
- goto free_master;
- }
master->num_chipselect = num_cs;
for (i = 0; i < master->num_chipselect; i++) {
@@ -534,6 +528,7 @@ static int spi_sirfsoc_probe(struct platform_device *pdev)
}
}
+ mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
sspi->base = devm_ioremap_resource(&pdev->dev, mem_res);
if (IS_ERR(sspi->base)) {
ret = PTR_ERR(sspi->base);
diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
index 598eb45..fc39365 100644
--- a/drivers/spi/spi-tegra114.c
+++ b/drivers/spi/spi-tegra114.c
@@ -1058,13 +1058,8 @@ static int tegra_spi_probe(struct platform_device *pdev)
tspi->dev = &pdev->dev;
spin_lock_init(&tspi->lock);
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r) {
- dev_err(&pdev->dev, "No IO memory resource\n");
- ret = -ENODEV;
- goto exit_free_master;
- }
tspi->phys = r->start;
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
tspi->base = devm_ioremap_resource(&pdev->dev, r);
if (IS_ERR(tspi->base)) {
ret = PTR_ERR(tspi->base);
diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c
index d65c000..09df8e2 100644
--- a/drivers/spi/spi-tegra20-sflash.c
+++ b/drivers/spi/spi-tegra20-sflash.c
@@ -489,11 +489,6 @@ static int tegra_sflash_probe(struct platform_device *pdev)
tegra_sflash_parse_dt(tsd);
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r) {
- dev_err(&pdev->dev, "No IO memory resource\n");
- ret = -ENODEV;
- goto exit_free_master;
- }
tsd->base = devm_ioremap_resource(&pdev->dev, r);
if (IS_ERR(tsd->base)) {
ret = PTR_ERR(tsd->base);
diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c
index 3faf88d..46392f0 100644
--- a/drivers/spi/spi-tegra20-slink.c
+++ b/drivers/spi/spi-tegra20-slink.c
@@ -1098,13 +1098,8 @@ static int tegra_slink_probe(struct platform_device *pdev)
tegra_slink_parse_dt(tspi);
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r) {
- dev_err(&pdev->dev, "No IO memory resource\n");
- ret = -ENODEV;
- goto exit_free_master;
- }
tspi->phys = r->start;
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
tspi->base = devm_ioremap_resource(&pdev->dev, r);
if (IS_ERR(tspi->base)) {
ret = PTR_ERR(tspi->base);
--
1.7.10.4
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