[U-Boot] [PATCH] spi: omap3: fix claim/release bus within DM

[Hannes Schmelzer]

On 06/28/2018 04:26 PM, Jagan Teki wrote:
> On Tue, Jun 26, 2018 at 7:38 PM, Hannes Schmelzer <oe5hpm at oevsv.at> wrote:
>> The claim/release bus function must not reset the whole SPI core because
>> settings regarding wordlen, clock-frequency and so on made by
>> set_wordlen, set_mode, set_speed get lost with this action. Resulting in
>> a non-functional SPI.
>>
>> Without DM the failure didn't came up since after the spi_reset within
>> claim bus all the setup (wordlen, mode, ...) was called, in DM they are
>> called by the spi uclass.
>>
>> We change now the things as following for having a working SPI instance
>> in DM:
>>
>> - move the spi_reset(...) to the probe call in DM for having a known
>> hardware state after probe. Without DM we don't have a probe call, so we
>> issue the reset as before during the claim_bus call.
>>
>> - in release bus we just reset the modulctrl to the reset-value (spi-
>> slave)
>>
>> Signed-off-by: Hannes Schmelzer <oe5hpm at oevsv.at>
>>
>> ---
> Applied to u-boot-spi/master
do we have a chance to get into rc3 with this?

cheers,
Hannes