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SubjectRe: [PATCH] cpufreq: do not mark s3c2410_plls_add as __init
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On Monday, November 16, 2015 10:26:43 PM Arnd Bergmann wrote:
> s3c2410_plls_add is a device notifier that may be called at runtime and
> is correctly not marked __init. However it calls s3c_plltab_register()
> which is marked __init, and that triggers a build error when we are
> checking for section mismatches:
>
> WARNING: vmlinux.o(.text+0x195e0): Section mismatch in reference from the function s3c2410_plls_add() to the function .init.text:s3c_plltab_register()
> The function s3c2410_plls_add() references
> the function __init s3c_plltab_register().
> This is often because s3c2410_plls_add lacks a __init
> annotation or the annotation of s3c_plltab_register is wrong.
>
> This removes the __init annotation from s3c2410_plls_add as well as the
> __initdata section annotations from s3c2440_plls_12 and s3c2440_plls_169344,
> which in turn are referenced from s3c2410_plls_add.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ----
> It would be nice to get this merged through the cpufreq tree. Most likely
> this has never caused problems because the device notifiers in practice
> only get called at boot time, so I assume it's enough to have this fixed
> in 4.4 or 4.5 but not backported.
>
> diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c
> index a19460e6e7b0..b355fca6cc2e 100644
> --- a/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c
> +++ b/arch/arm/mach-s3c24xx/pll-s3c2440-12000000.c
> @@ -20,7 +20,7 @@
> #include <plat/cpu.h>
> #include <plat/cpu-freq-core.h>
>
> -static struct cpufreq_frequency_table s3c2440_plls_12[] __initdata = {
> +static struct cpufreq_frequency_table s3c2440_plls_12[] = {
> { .frequency = 75000000, .driver_data = PLLVAL(0x75, 3, 3), }, /* FVco 600.000000 */
> { .frequency = 80000000, .driver_data = PLLVAL(0x98, 4, 3), }, /* FVco 640.000000 */
> { .frequency = 90000000, .driver_data = PLLVAL(0x70, 2, 3), }, /* FVco 720.000000 */
> diff --git a/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c
> index 1191b2905625..be9a248b5ce9 100644
> --- a/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c
> +++ b/arch/arm/mach-s3c24xx/pll-s3c2440-16934400.c
> @@ -20,7 +20,7 @@
> #include <plat/cpu.h>
> #include <plat/cpu-freq-core.h>
>
> -static struct cpufreq_frequency_table s3c2440_plls_169344[] __initdata = {
> +static struct cpufreq_frequency_table s3c2440_plls_169344[] = {
> { .frequency = 78019200, .driver_data = PLLVAL(121, 5, 3), }, /* FVco 624.153600 */
> { .frequency = 84067200, .driver_data = PLLVAL(131, 5, 3), }, /* FVco 672.537600 */
> { .frequency = 90115200, .driver_data = PLLVAL(141, 5, 3), }, /* FVco 720.921600 */
> diff --git a/drivers/cpufreq/s3c24xx-cpufreq.c b/drivers/cpufreq/s3c24xx-cpufreq.c
> index 733aa5153e74..68ef8fd9482f 100644
> --- a/drivers/cpufreq/s3c24xx-cpufreq.c
> +++ b/drivers/cpufreq/s3c24xx-cpufreq.c
> @@ -648,7 +648,7 @@ late_initcall(s3c_cpufreq_initcall);
> *
> * Register the given set of PLLs with the system.
> */
> -int __init s3c_plltab_register(struct cpufreq_frequency_table *plls,
> +int s3c_plltab_register(struct cpufreq_frequency_table *plls,
> unsigned int plls_no)
> {
> struct cpufreq_frequency_table *vals;
>

This should go in through the Samsung tree, so I'll leave it for them to pick
it up (at least for the time being).

Thanks,
Rafael



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