Hi Geert-san,
(2014/02/03 17:47), Geert Uytterhoeven wrote:
> Hi Shimoda-san,
>
> On Mon, 3 Feb 2014, Shimoda, Yoshihiro wrote:
>> This patch fixes an issue that the following build error happens when
>> the CONFIG_OF is not set:
>>
>> drivers/spi/spi-rspi.c: In function 'rspi_probe':
>> drivers/spi/spi-rspi.c:1203:26: error: 'rspi_of_match' undeclared (first use
>> in this function)
>>
>> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda...@renesas.com>
>> ---
>> This patch is based on the latest origin/topic/rspi branch in the spi.git.
>>
>> drivers/spi/spi-rspi.c | 1 +
>> 1 files changed, 1 insertions(+), 0 deletions(-)
>>
>> diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
>> index 34ad4bc..e5cfc3d 100644
>> --- a/drivers/spi/spi-rspi.c
>> +++ b/drivers/spi/spi-rspi.c
>> @@ -1164,6 +1164,7 @@ static int rspi_parse_dt(struct device *dev, struct
>> spi_master *master)
>> return 0;
>> }
>> #else
>> +#define rspi_of_match NULL
>> static inline int rspi_parse_dt(struct device *dev, struct spi_master
>> *master)
>> {
>> return -EINVAL;
>> --
>> 1.7.1
>
> Thanks, obviously I missed that of_match_device() still uses the ID table
> parameter if CONFIG_OF=n :-(
>
> Below I have two alternative solutions:
> 1. Uses rspi_of_match() to nullify the ID table pointer, like is done in
> the platform_driver structure,
> 2. Fixes it at the OF subsystem level, by nullifying the ID table pointer
> inside of_match_device().
>
> If 2 is accepted, drivers don't have to care about this anymore.
>
> What do you think?
Thank you for the reply.
I think the 2nd one is a nice idea.
If I applied it without my patch, the build error disappeared.
Best regards,
Yoshihiro Shimoda
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