Hi, On 1/14/21 1:16 PM, Rafael J. Wysocki wrote: > On Thu, Jan 14, 2021 at 8:42 AM Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> wrote: >> >> All planned uses of cur_profile have their platform_profile_handler >> defined as const, so just drop const qualifier here to prevent build >> error. >> >> Link: https://lore.kernel.org/linux-acpi/5e7a4d87-52ef-e487-9cc2-8e7094beaa08@xxxxxxxxxx/ >> Suggested-by: Hans de Goede <hdegoede@xxxxxxxxxx> >> Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> >> --- >> drivers/acpi/platform_profile.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/acpi/platform_profile.c b/drivers/acpi/platform_profile.c >> index 91be50a32cc8..9dddf44b43d4 100644 >> --- a/drivers/acpi/platform_profile.c >> +++ b/drivers/acpi/platform_profile.c >> @@ -9,7 +9,7 @@ >> #include <linux/platform_profile.h> >> #include <linux/sysfs.h> >> >> -static const struct platform_profile_handler *cur_profile; >> +static struct platform_profile_handler *cur_profile; > > I think that it's not just here, but also in the > platform_profile_register() argument. Correct, this needs to be fixed in platform_profile_register() too, both in drivers/acpi/platform_profile.c and in include/linux/platform_profile.h Otherwise we will get a compiler warning (or maybe even an error) about assigning a pointer pointing to const memory to a pointer not pointing to const mem. Regards, Hans > >> static DEFINE_MUTEX(profile_lock); >> >> static const char * const profile_names[] = { >> -- >> 2.30.0 >> >