2019-04-19 19:58:10

by Mohan Kumar

[permalink] [raw]
Subject: [PATCH] drivers: cpufreq: use kstrtoul instead of obsolete simple_strtoul

Replace the obsolte simple_strtoul function with kstrtoul.

Signed-off-by: Mohan Kumar <[email protected]>
---
drivers/cpufreq/elanfreq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/elanfreq.c b/drivers/cpufreq/elanfreq.c
index 03419f0..bed76da 100644
--- a/drivers/cpufreq/elanfreq.c
+++ b/drivers/cpufreq/elanfreq.c
@@ -184,7 +184,7 @@ static int elanfreq_cpu_init(struct cpufreq_policy *policy)
*/
static int __init elanfreq_setup(char *str)
{
- max_freq = simple_strtoul(str, &str, 0);
+ max_freq = kstrtoul(str, 0, (unsigned long *)&val);
pr_warn("You're using the deprecated elanfreq command line option. Use elanfreq.max_freq instead, please!\n");
return 1;
}
--
2.7.4



2019-04-21 09:21:10

by kernel test robot

[permalink] [raw]
Subject: Re: [PATCH] drivers: cpufreq: use kstrtoul instead of obsolete simple_strtoul

Hi Mohan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on pm/linux-next]
[also build test ERROR on v5.1-rc5 next-20190418]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Mohan-Kumar/drivers-cpufreq-use-kstrtoul-instead-of-obsolete-simple_strtoul/20190421-044216
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
config: i386-randconfig-c0-04211526 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <[email protected]>


All errors (new ones prefixed by >>):

drivers//cpufreq/elanfreq.c: In function 'elanfreq_setup':
>> drivers//cpufreq/elanfreq.c:187:48: error: 'val' undeclared (first use in this function); did you mean 'vmap'?
max_freq = kstrtoul(str, 0, (unsigned long *)&val);
^~~
vmap
drivers//cpufreq/elanfreq.c:187:48: note: each undeclared identifier is reported only once for each function it appears in

vim +187 drivers//cpufreq/elanfreq.c

171
172
173 #ifndef MODULE
174 /**
175 * elanfreq_setup - elanfreq command line parameter parsing
176 *
177 * elanfreq command line parameter. Use:
178 * elanfreq=66000
179 * to set the maximum CPU frequency to 66 MHz. Note that in
180 * case you do not give this boot parameter, the maximum
181 * frequency will fall back to _current_ CPU frequency which
182 * might be lower. If you build this as a module, use the
183 * max_freq module parameter instead.
184 */
185 static int __init elanfreq_setup(char *str)
186 {
> 187 max_freq = kstrtoul(str, 0, (unsigned long *)&val);
188 pr_warn("You're using the deprecated elanfreq command line option. Use elanfreq.max_freq instead, please!\n");
189 return 1;
190 }
191 __setup("elanfreq=", elanfreq_setup);
192 #endif
193
194

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation


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