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cpufreq: pmac32: Use of_property_read_reg() to parse "reg"

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Use the recently added of_property_read_reg() helper to get the
untranslated "reg" address value.

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
This commit is contained in:
Rob Herring 2023-09-25 14:02:35 -05:00 committed by Viresh Kumar
parent aa01dd7bc1
commit b9a663c4c2
1 changed files with 3 additions and 4 deletions
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7
drivers/cpufreq/pmac32-cpufreq.c
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@ -24,6 +24,7 @@
#include <linux/device.h>
#include <linux/hardirq.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <asm/machdep.h>
#include <asm/irq.h>
@ -378,10 +379,9 @@ static int pmac_cpufreq_cpu_init(struct cpufreq_policy *policy)
static u32 read_gpio(struct device_node *np)
{
const u32 *reg = of_get_property(np, "reg", NULL);
u32 offset;
u64 offset;
if (reg == NULL)
if (of_property_read_reg(np, 0, &offset, NULL) < 0)
return 0;
/* That works for all keylargos but shall be fixed properly
* some day... The problem is that it seems we can't rely
@ -389,7 +389,6 @@ static u32 read_gpio(struct device_node *np)
* relative to the base of KeyLargo or to the base of the
* GPIO space, and the device-tree doesn't help.
*/
offset = *reg;
if (offset < KEYLARGO_GPIO_LEVELS0)
offset += KEYLARGO_GPIO_LEVELS0;
return offset;