[PATCH v2] cpufreq: pmac32: Use of_property_read_reg() to parse "reg"

From: Rob Herring
Date: Mon Sep 25 2023 - 15:03:03 EST


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

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
---
v2:
- Add missing include
---
drivers/cpufreq/pmac32-cpufreq.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/cpufreq/pmac32-cpufreq.c b/drivers/cpufreq/pmac32-cpufreq.c
index ec75e79659ac..df3567c1e93b 100644
--- a/drivers/cpufreq/pmac32-cpufreq.c
+++ b/drivers/cpufreq/pmac32-cpufreq.c
@@ -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;
--
2.40.1