Re: [PATCH] clk: samsung: clk-exynos-audss: Fix module autoload

From: Javier Martinez Canillas
Date: Sun Oct 16 2016 - 09:45:50 EST


Hello Krzysztof,

On 10/15/2016 02:27 PM, Krzysztof Kozlowski wrote:
> On Fri, Oct 14, 2016 at 03:44:05PM -0300, Javier Martinez Canillas wrote:
>> If the driver is built as a module, autoload won't work because the module
>> alias information is not filled. So user-space can't match the registered
>> device with the corresponding module.
>>
>> Export the module alias information using the MODULE_DEVICE_TABLE() macro.
>>
>> Before this patch:
>>
>> $ modinfo drivers/clk/samsung/clk-exynos-audss.ko | grep alias
>> alias: platform:exynos-audss-clk
>>
>> After this patch:
>>
>> $ modinfo drivers/clk/samsung/clk-exynos-audss.ko | grep alias
>> alias: platform:exynos-audss-clk
>> alias: of:N*T*Csamsung,exynos5420-audss-clockC*
>> alias: of:N*T*Csamsung,exynos5420-audss-clock
>> alias: of:N*T*Csamsung,exynos5410-audss-clockC*
>> alias: of:N*T*Csamsung,exynos5410-audss-clock
>> alias: of:N*T*Csamsung,exynos5250-audss-clockC*
>> alias: of:N*T*Csamsung,exynos5250-audss-clock
>> alias: of:N*T*Csamsung,exynos4210-audss-clockC*
>> alias: of:N*T*Csamsung,exynos4210-audss-clock
>>
>> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>> ---
>>
>> drivers/clk/samsung/clk-exynos-audss.c | 1 +
>> 1 file changed, 1 insertion(+)
>
> Indeed, this was missed by 4d252fd5719b thus I think it could be
> mentioned as fix tag (just for reference...):
> Fixes: 4d252fd5719b ("clk: samsung: Allow modular build of the Audio Subsystem CLKCON driver")
>

Indeed. I missed that, sorry. I'll post a v2 including this information.

> Anyway, this fixes the issue, so:
> Reviewed-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> Tested-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
>

Thanks!

> Best regards,
> Krzysztof
>

Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America