[PATCH 6/8] sparc: Use of_node_name_eq for node name comparisons

From: Rob Herring
Date: Wed Nov 07 2018 - 17:32:05 EST


Convert string compares of DT node names to use of_node_name_eq helper
instead. This removes direct access to the node name pointer.

Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: sparclinux@xxxxxxxxxxxxxxx
Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
---
arch/sparc/kernel/auxio_64.c | 4 ++--
arch/sparc/kernel/central.c | 2 +-
arch/sparc/kernel/irq_64.c | 2 +-
arch/sparc/kernel/of_device_32.c | 8 ++++----
arch/sparc/kernel/of_device_64.c | 20 ++++++++++----------
arch/sparc/kernel/of_device_common.c | 4 ++--
arch/sparc/kernel/pci.c | 4 ++--
arch/sparc/kernel/pci_sabre.c | 2 +-
arch/sparc/kernel/prom_64.c | 4 ++--
arch/sparc/kernel/prom_irqtrans.c | 18 +++++++++---------
arch/sparc/kernel/sun4d_irq.c | 6 +++---
arch/sparc/kernel/time_64.c | 4 ++--
12 files changed, 39 insertions(+), 39 deletions(-)

diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c
index e1b10f88ffb4..4843f48bfe85 100644
--- a/arch/sparc/kernel/auxio_64.c
+++ b/arch/sparc/kernel/auxio_64.c
@@ -108,10 +108,10 @@ static int auxio_probe(struct platform_device *dev)
struct device_node *dp = dev->dev.of_node;
unsigned long size;

- if (!strcmp(dp->parent->name, "ebus")) {
+ if (of_node_name_eq(dp->parent, "ebus")) {
auxio_devtype = AUXIO_TYPE_EBUS;
size = sizeof(u32);
- } else if (!strcmp(dp->parent->name, "sbus")) {
+ } else if (of_node_name_eq(dp->parent, "sbus")) {
auxio_devtype = AUXIO_TYPE_SBUS;
size = 1;
} else {
diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c
index 38ae4fdc9eb4..bfae98ab8638 100644
--- a/arch/sparc/kernel/central.c
+++ b/arch/sparc/kernel/central.c
@@ -168,7 +168,7 @@ static int fhc_probe(struct platform_device *op)
goto out;
}

- if (!strcmp(op->dev.of_node->parent->name, "central"))
+ if (of_node_name_eq(op->dev.of_node->parent, "central"))
p->central = true;

p->pregs = of_ioremap(&op->resource[0], 0,
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index 713670e6d13d..3ec9f1402aad 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -915,7 +915,7 @@ static void map_prom_timers(void)
dp = of_find_node_by_path("/");
dp = dp->child;
while (dp) {
- if (!strcmp(dp->name, "counter-timer"))
+ if (of_node_name_eq(dp, "counter-timer"))
break;
dp = dp->sibling;
}
diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c
index ab133e2753ab..dc5b1b0ec659 100644
--- a/arch/sparc/kernel/of_device_32.c
+++ b/arch/sparc/kernel/of_device_32.c
@@ -232,10 +232,10 @@ static int __init use_1to1_mapping(struct device_node *pp)
* But, we should still pass the translation work up
* to the SBUS itself.
*/
- if (!strcmp(pp->name, "dma") ||
- !strcmp(pp->name, "espdma") ||
- !strcmp(pp->name, "ledma") ||
- !strcmp(pp->name, "lebuffer"))
+ if (of_node_name_eq(pp, "dma") ||
+ of_node_name_eq(pp, "espdma") ||
+ of_node_name_eq(pp, "ledma") ||
+ of_node_name_eq(pp, "lebuffer"))
return 0;

return 1;
diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c
index 2353cb7bc40f..4b5eabb20ac8 100644
--- a/arch/sparc/kernel/of_device_64.c
+++ b/arch/sparc/kernel/of_device_64.c
@@ -46,7 +46,7 @@ EXPORT_SYMBOL(of_iounmap);

static int of_bus_pci_match(struct device_node *np)
{
- if (!strcmp(np->name, "pci")) {
+ if (of_node_name_eq(np, "pci")) {
const char *model = of_get_property(np, "model", NULL);

if (model && !strcmp(model, "SUNW,simba"))
@@ -77,7 +77,7 @@ static int of_bus_simba_match(struct device_node *np)
/* Treat PCI busses lacking ranges property just like
* simba.
*/
- if (!strcmp(np->name, "pci")) {
+ if (of_node_name_eq(np, "pci")) {
if (!of_find_property(np, "ranges", NULL))
return 1;
}
@@ -170,8 +170,8 @@ static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
*/
static int of_bus_fhc_match(struct device_node *np)
{
- return !strcmp(np->name, "fhc") ||
- !strcmp(np->name, "central");
+ return of_node_name_eq(np, "fhc") ||
+ of_node_name_eq(np, "central");
}

#define of_bus_fhc_count_cells of_bus_sbus_count_cells
@@ -295,17 +295,17 @@ static int __init use_1to1_mapping(struct device_node *pp)
* But, we should still pass the translation work up
* to the SBUS itself.
*/
- if (!strcmp(pp->name, "dma") ||
- !strcmp(pp->name, "espdma") ||
- !strcmp(pp->name, "ledma") ||
- !strcmp(pp->name, "lebuffer"))
+ if (of_node_name_eq(pp, "dma") ||
+ of_node_name_eq(pp, "espdma") ||
+ of_node_name_eq(pp, "ledma") ||
+ of_node_name_eq(pp, "lebuffer"))
return 0;

/* Similarly for all PCI bridges, if we get this far
* it lacks a ranges property, and this will include
* cases like Simba.
*/
- if (!strcmp(pp->name, "pci"))
+ if (of_node_name_eq(pp, "pci"))
return 0;

return 1;
@@ -591,7 +591,7 @@ static unsigned int __init build_one_device_irq(struct platform_device *op,
break;
}
} else {
- if (!strcmp(pp->name, "pci")) {
+ if (of_node_name_eq(pp, "pci")) {
unsigned int this_orig_irq = irq;

irq = pci_irq_swizzle(dp, pp, irq);
diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c
index de0ee3971f00..b186b7f0f6c4 100644
--- a/arch/sparc/kernel/of_device_common.c
+++ b/arch/sparc/kernel/of_device_common.c
@@ -151,8 +151,8 @@ int of_bus_sbus_match(struct device_node *np)
struct device_node *dp = np;

while (dp) {
- if (!strcmp(dp->name, "sbus") ||
- !strcmp(dp->name, "sbi"))
+ if (of_node_name_eq(dp, "sbus") ||
+ of_node_name_eq(dp, "sbi"))
return 1;

/* Have a look at use_1to1_mapping(). We're trying
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 45ba2757a1b9..377113ae9a6a 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -283,7 +283,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
sd->stc = &pbm->stc;
sd->numa_node = pbm->numa_node;

- if (!strcmp(node->name, "ebus"))
+ if (of_node_name_eq(node, "ebus"))
of_propagate_archdata(op);

type = of_get_property(node, "device_type", NULL);
@@ -336,7 +336,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm,
dev->error_state = pci_channel_io_normal;
dev->dma_mask = 0xffffffff;

- if (!strcmp(node->name, "pci")) {
+ if (of_node_name_eq(node, "pci")) {
/* a PCI-PCI bridge */
dev->hdr_type = PCI_HEADER_TYPE_BRIDGE;
dev->rom_base_reg = PCI_ROM_ADDRESS1;
diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c
index 8107286be9ab..3c38ca40a22b 100644
--- a/arch/sparc/kernel/pci_sabre.c
+++ b/arch/sparc/kernel/pci_sabre.c
@@ -475,7 +475,7 @@ static int sabre_probe(struct platform_device *op)
* different ways, inconsistently.
*/
for_each_node_by_type(cpu_dp, "cpu") {
- if (!strcmp(cpu_dp->name, "SUNW,UltraSPARC-IIe"))
+ if (of_node_name_eq(cpu_dp, "SUNW,UltraSPARC-IIe"))
hummingbird_p = 1;
}
}
diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c
index 1667df573f6f..17860d6ed1bd 100644
--- a/arch/sparc/kernel/prom_64.c
+++ b/arch/sparc/kernel/prom_64.c
@@ -335,8 +335,8 @@ static void __init __build_path_component(struct device_node *dp, char *tmp_buf)
ebus_path_component(dp, tmp_buf);
return;
}
- if (!strcmp(parent->name, "usb") ||
- !strcmp(parent->name, "hub")) {
+ if (of_node_name_eq(parent, "usb") ||
+ of_node_name_eq(parent, "hub")) {
usb_path_component(dp, tmp_buf);
return;
}
diff --git a/arch/sparc/kernel/prom_irqtrans.c b/arch/sparc/kernel/prom_irqtrans.c
index f3fecac7facb..f76b4ae697f5 100644
--- a/arch/sparc/kernel/prom_irqtrans.c
+++ b/arch/sparc/kernel/prom_irqtrans.c
@@ -725,11 +725,11 @@ static unsigned int central_build_irq(struct device_node *dp,
unsigned long imap, iclr;
u32 tmp;

- if (!strcmp(dp->name, "eeprom")) {
+ if (of_node_name_eq(dp, "eeprom")) {
res = &central_op->resource[5];
- } else if (!strcmp(dp->name, "zs")) {
+ } else if (of_node_name_eq(dp, "zs")) {
res = &central_op->resource[4];
- } else if (!strcmp(dp->name, "clock-board")) {
+ } else if (of_node_name_eq(dp, "clock-board")) {
res = &central_op->resource[3];
} else {
return ino;
@@ -824,19 +824,19 @@ void __init irq_trans_init(struct device_node *dp)
}
#endif
#ifdef CONFIG_SBUS
- if (!strcmp(dp->name, "sbus") ||
- !strcmp(dp->name, "sbi")) {
+ if (of_node_name_eq(dp, "sbus") ||
+ of_node_name_eq(dp, "sbi")) {
sbus_irq_trans_init(dp);
return;
}
#endif
- if (!strcmp(dp->name, "fhc") &&
- !strcmp(dp->parent->name, "central")) {
+ if (of_node_name_eq(dp, "fhc") &&
+ of_node_name_eq(dp->parent, "central")) {
central_irq_trans_init(dp);
return;
}
- if (!strcmp(dp->name, "virtual-devices") ||
- !strcmp(dp->name, "niu")) {
+ if (of_node_name_eq(dp, "virtual-devices") ||
+ of_node_name_eq(dp, "niu")) {
sun4v_vdev_irq_trans_init(dp);
return;
}
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index 6d266d7dd2b6..9a137c70e8d1 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -335,12 +335,12 @@ static unsigned int sun4d_build_device_irq(struct platform_device *op,

irq = real_irq;
while (bus) {
- if (!strcmp(bus->name, "sbi")) {
+ if (of_node_name_eq(bus, "sbi")) {
bus_connection = "io-unit";
break;
}

- if (!strcmp(bus->name, "bootbus")) {
+ if (of_node_name_eq(bus, "bootbus")) {
bus_connection = "cpu-unit";
break;
}
@@ -360,7 +360,7 @@ static unsigned int sun4d_build_device_irq(struct platform_device *op,
* If Bus nodes parent is not io-unit/cpu-unit or the io-unit/cpu-unit
* lacks a "board#" property, something is very wrong.
*/
- if (!bus->parent || strcmp(bus->parent->name, bus_connection)) {
+ if (!of_node_name_eq(bus->parent, bus_connection)) {
printk(KERN_ERR "%pOF: Error, parent is not %s.\n",
bus, bus_connection);
goto err_out;
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index 68a80f9baea7..3eb77943ce12 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -561,8 +561,8 @@ static int mostek_probe(struct platform_device *op)
/* On an Enterprise system there can be multiple mostek clocks.
* We should only match the one that is on the central FHC bus.
*/
- if (!strcmp(dp->parent->name, "fhc") &&
- strcmp(dp->parent->parent->name, "central") != 0)
+ if (of_node_name_eq(dp->parent, "fhc") &&
+ !of_node_name_eq(dp->parent->parent, "central"))
return -ENODEV;

printk(KERN_INFO "%pOF: Mostek regs at 0x%llx\n",
--
2.19.1