[U-Boot] [PATCH] spi: ignore set speed and mode if not available

[Thomas Chou <thomas@wytron.com.tw>]

Hi Simon,

On 10/03/2015 10:28 PM, Simon Glass wrote:
> Hi Thomas,
>
> On 22 September 2015 at 08:41, Thomas Chou <thomas@wytron.com.tw> wrote:
>> Some cores, such as Altera SPI and QuadSPI, can not change
>> speed and mode at runtime. Ignore the operation which is
>> not available.
>>
>> Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
>> ---
>>   drivers/spi/spi-uclass.c | 6 +-----
>>   1 file changed, 1 insertion(+), 5 deletions(-)
>
> This looks OK, but can you please update the method documentation for
> set_speed() and set_mode() to indicate that they are optional in the
> case where the hardware does not support it.
>
>>
>> diff --git a/drivers/spi/spi-uclass.c b/drivers/spi/spi-uclass.c
>> index d666272..5298073 100644
>> --- a/drivers/spi/spi-uclass.c
>> +++ b/drivers/spi/spi-uclass.c
>> @@ -21,13 +21,11 @@ DECLARE_GLOBAL_DATA_PTR;
>>   static int spi_set_speed_mode(struct udevice *bus, int speed, int mode)
>
> Please add a comment to this function indicated that missing
> set_speed() and set_mode() methods are OK.

Thanks a lot for your review. The comments will be added.

Best regards,
Thomas Chou