Re: [PATCH] spi: core: use gpio_request_one for configured gpio cs

[Andy Shevchenko <andy.shevchenko@xxxxxxxxx>]

On Tue, Jul 25, 2017 at 12:44 AM, Chris Packham
<Chris.Packham@xxxxxxxxxxxxxxxxxxx> wrote:
> On 25/07/17 09:28, Martin Hundebøll wrote:
>>> My patchset kind of stalled. I can do a refresh if there's interest.
>>> But I really do need some help from people with access to hardware (I can
>>> cover spi-orion and spi-fsl-espi but that's about it). After the
>>> initial RFC series I posted in May I found that iMX platforms use the integer
>>> cs_gpio field for both native chipselects and gpio based ones (values <
>>> 0 indicate native CS) so again I'd be coding blind trying to
>>> disentangle that.
>  >
>> My submission was more or less a fly-by patch, but I'd be happy to
>> test/debug patches on spi-imx if you CC me on the series.
>
> Thanks for the offer. Now I just need to get a few round tuits.

Can you please, resend the latest you have with Cc'ing me?

>> Any other drivers with special gpio-cs handling?
>  >
>
> Based on a quick grep spi-{atmel,davinci,ep93xx,gpio,imx,mt65xx,stm32}
> all do stuff with cs_gpios outside of the spi core. I think at least
> some of those a trivially handled if we let the core code do the gpio
> management.

I have got ep93xx board from Mika to test, so, I can perhaps perform
tests later, after I got pxa2xx working.

-- 
With Best Regards,
Andy Shevchenko
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