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watchdog: rti: Use dev_read_addr_ptr()

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devfdt_get_addr() returns FDT_ADDR_T_NONE(-1UL) when fail, using
"!priv->regs" to check return value is wrong.

Replace devfdt_read_addr() with dev_read_addr_ptr() when retrieving the
register base address.

dev_read_addr_ptr() supports both live device tree and flat DT backends,
avoiding direct dependency on devfdt_* helpers.

Also use "void __iomem *" to replace "phys_addr_t" to avoid type
casting.

No functional changes.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Stefan Roese <stefan.roese@mailbox.org>
This commit is contained in:
Peng Fan
2026-05-25 11:51:48 +08:00
committed by Stefan Roese
parent 3c3ba75c85
commit b9b27c875f
1 changed files with 2 additions and 2 deletions
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4
drivers/watchdog/rti_wdt.c
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@@ -39,7 +39,7 @@
#define WDT_PRELOAD_MAX 0xfff
struct rti_wdt_priv {
phys_addr_t regs;
void __iomem *regs;
unsigned int clk_hz;
};
@@ -177,7 +177,7 @@ static int rti_wdt_probe(struct udevice *dev)
struct clk clk;
int ret;
priv->regs = devfdt_get_addr(dev);
priv->regs = dev_read_addr_ptr(dev);
if (!priv->regs)
return -EINVAL;