[PATCH] power: reset: Use printk format symbol resolver

From: Helge Deller
Date: Thu Nov 05 2020 - 08:32:59 EST


Instead of looking up a symbol name by hand, use the %ps printk format
specifier.

Signed-off-by: Helge Deller <deller@xxxxxx>

diff --git a/drivers/power/reset/qnap-poweroff.c b/drivers/power/reset/qnap-poweroff.c
index 52b7dc61d870..0ddf7f25f7b8 100644
--- a/drivers/power/reset/qnap-poweroff.c
+++ b/drivers/power/reset/qnap-poweroff.c
@@ -14,7 +14,6 @@
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/serial_reg.h>
-#include <linux/kallsyms.h>
#include <linux/of.h>
#include <linux/io.h>
#include <linux/clk.h>
@@ -75,7 +74,6 @@ static int qnap_power_off_probe(struct platform_device *pdev)
struct device_node *np = pdev->dev.of_node;
struct resource *res;
struct clk *clk;
- char symname[KSYM_NAME_LEN];

const struct of_device_id *match =
of_match_node(qnap_power_off_of_match_table, np);
@@ -104,10 +102,8 @@ static int qnap_power_off_probe(struct platform_device *pdev)

/* Check that nothing else has already setup a handler */
if (pm_power_off) {
- lookup_symbol_name((ulong)pm_power_off, symname);
- dev_err(&pdev->dev,
- "pm_power_off already claimed %p %s",
- pm_power_off, symname);
+ dev_err(&pdev->dev, "pm_power_off already claimed for %ps",
+ pm_power_off);
return -EBUSY;
}
pm_power_off = qnap_power_off;
diff --git a/drivers/power/reset/syscon-poweroff.c b/drivers/power/reset/syscon-poweroff.c
index 4d6923b102b6..ed58bdf41e27 100644
--- a/drivers/power/reset/syscon-poweroff.c
+++ b/drivers/power/reset/syscon-poweroff.c
@@ -6,7 +6,6 @@
* Author: Moritz Fischer <moritz.fischer@xxxxxxxxx>
*/

-#include <linux/kallsyms.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/notifier.h>
@@ -34,7 +33,6 @@ static void syscon_poweroff(void)

static int syscon_poweroff_probe(struct platform_device *pdev)
{
- char symname[KSYM_NAME_LEN];
int mask_err, value_err;

map = syscon_regmap_lookup_by_phandle(pdev->dev.of_node, "regmap");
@@ -65,10 +63,8 @@ static int syscon_poweroff_probe(struct platform_device *pdev)
}

if (pm_power_off) {
- lookup_symbol_name((ulong)pm_power_off, symname);
- dev_err(&pdev->dev,
- "pm_power_off already claimed %p %s",
- pm_power_off, symname);
+ dev_err(&pdev->dev, "pm_power_off already claimed for %ps",
+ pm_power_off);
return -EBUSY;
}