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authorRob Herring <robh@kernel.org>2023-06-09 12:31:50 -0600
committerMichael Ellerman <mpe@ellerman.id.au>2023-06-21 15:13:46 +1000
commitf892ac774b34a769318030f5febe5ce41d6e122e (patch)
treeaecf919413d77d7f2fdf8f9c04c9cb73776b3200 /arch/powerpc/sysdev/fsl_rio.c
parentc4ae1799a5a358388acb610512c68666f8758364 (diff)
powerpc: fsl: Use of_property_read_reg() to parse "reg"
Use the recently added of_property_read_reg() helper to get the untranslated "reg" address value. Signed-off-by: Rob Herring <robh@kernel.org> [mpe: Add required include of of_address.h] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://msgid.link/20230609183151.1766261-1-robh@kernel.org
Diffstat (limited to 'arch/powerpc/sysdev/fsl_rio.c')
-rw-r--r--arch/powerpc/sysdev/fsl_rio.c14
1 files changed, 3 insertions, 11 deletions
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 31c5f1cec3d0..0331962bc6d2 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -448,13 +448,11 @@ int fsl_rio_setup(struct platform_device *dev)
struct rio_mport *port;
struct rio_priv *priv;
int rc = 0;
- const u32 *dt_range, *port_index;
+ const u32 *port_index;
u32 active_ports = 0;
struct device_node *np, *rmu_node;
- int rlen;
u32 ccsr;
u64 range_start;
- int aw;
u32 i;
static int tmp;
struct device_node *rmu_np[MAX_MSG_UNIT_NUM] = {NULL};
@@ -528,15 +526,12 @@ int fsl_rio_setup(struct platform_device *dev)
dbell->bellirq = irq_of_parse_and_map(np, 1);
dev_info(&dev->dev, "bellirq: %d\n", dbell->bellirq);
- aw = of_n_addr_cells(np);
- dt_range = of_get_property(np, "reg", &rlen);
- if (!dt_range) {
+ if (of_property_read_reg(np, 0, &range_start, NULL)) {
pr_err("%pOF: unable to find 'reg' property\n",
np);
rc = -ENOMEM;
goto err_pw;
}
- range_start = of_read_number(dt_range, aw);
dbell->dbell_regs = (struct rio_dbell_regs *)(rmu_regs_win +
(u32)range_start);
@@ -556,15 +551,12 @@ int fsl_rio_setup(struct platform_device *dev)
pw->dev = &dev->dev;
pw->pwirq = irq_of_parse_and_map(np, 0);
dev_info(&dev->dev, "pwirq: %d\n", pw->pwirq);
- aw = of_n_addr_cells(np);
- dt_range = of_get_property(np, "reg", &rlen);
- if (!dt_range) {
+ if (of_property_read_reg(np, 0, &range_start, NULL)) {
pr_err("%pOF: unable to find 'reg' property\n",
np);
rc = -ENOMEM;
goto err;
}
- range_start = of_read_number(dt_range, aw);
pw->pw_regs = (struct rio_pw_regs *)(rmu_regs_win + (u32)range_start);
/*set up ports node*/