On 21/10/16 09:48, Ludovic Desroches wrote:
> On Mon, Oct 17, 2016 at 01:13:45PM -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/mmc/host/sdhci-of-at91.ko | grep alias
>> $
>>
>> After this patch:
>>
>> $ modinfo drivers/mmc/host/sdhci-of-at91.ko | grep alias
>> alias: of:N*T*Catmel,sama5d2-sdhciC*
>> alias: of:N*T*Catmel,sama5d2-sdhci
>>
>> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
> Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
>
> Thanks
>> ---
>>
>> drivers/mmc/host/sdhci-of-at91.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
>> index a9b7fc06c434..2f9ad213377a 100644
>> --- a/drivers/mmc/host/sdhci-of-at91.c
>> +++ b/drivers/mmc/host/sdhci-of-at91.c
>> @@ -100,6 +100,7 @@ static const struct of_device_id sdhci_at91_dt_match[] = {
>> { .compatible = "atmel,sama5d2-sdhci", .data = &soc_data_sama5d2 },
>> {}
>> };
>> +MODULE_DEVICE_TABLE(of, sdhci_at91_dt_match);
>>
>> #ifdef CONFIG_PM
>> static int sdhci_at91_runtime_suspend(struct device *dev)
>> --
>> 2.7.4
>>
>
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