[PATCH v4 1/3] spi: nxp_fspi: new driver for the FlexSPI controller

[Michael Walle]

Hi Jagan,

Am 2019-12-18 15:47, schrieb Jagan Teki:
> On Wed, Dec 18, 2019 at 4:40 AM Michael Walle <michael at walle.cc> wrote:
>> 
>> This is a port of the kernel's spi-nxp-fspi driver. It uses the new
>> spi-mem interface and does not expose the more generic spi-xfer
>> interface. The source was taken from the v5.3-rc3 tag.
>> 
>> The port was straightforward:
>>  - remove the interrupt handling and the completion by busy polling 
>> the
>>    controller
>>  - remove locks
>>  - move the setup of the memory windows into claim_bus()
>>  - move the setup of the speed into set_speed()
>>  - port the device tree bindings from the original fspi_probe() to
>>    ofdata_to_platdata()
>> 
>> There were only some style change fixes, no change in any logic. For
>> example, there are busy loops where the return code is not handled
>> correctly, eg. only prints a warning with WARN_ON(). This port
>> intentionally left most functions unchanged to ease future bugfixes.
>> 
>> This was tested on a custom LS1028A board. Because the LS1028A doesn't
>> have proper clock framework support, changing the clock speed was not
>> tested. This also means that it is not possible to change the SPI
>> speed on LS1028A for now (neither is it possible in the linux driver).
>> 
>> Signed-off-by: Michael Walle <michael at walle.cc>
>> Reviewed-by: Jagan Teki <jagan at amarulasolutions.com>
>> Tested-by: Kuldeep Singh <kuldeep.singh at nxp.com>
> 
> Applied to u-boot-spi/master

I can't find that one in your tree [1]. Did I miss something?

-michael

[1] https://gitlab.denx.de/u-boot/custodians/u-boot-spi/commits/master