linux-kernel - Re: [PATCH v2] gpio: ep93xx: split device in multiple

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Message-ID: <15f7dcbcdaf6fdb05bfc1d5bee1bb2e1bf3c43fc.camel@gmail.com>
Date:   Wed, 01 Feb 2023 10:18:47 +0100
From:   Alexander Sverdlin <alexander.sverdlin@...il.com>
To:     Nikita Shubin <nikita.shubin@...uefel.me>,
        Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Hartley Sweeten <hsweeten@...ionengravers.com>,
        Russell King <linux@...linux.org.uk>,
        Lukasz Majewski <lukma@...x.de>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org
Subject: Re: [PATCH v2] gpio: ep93xx: split device in multiple

Hello Nikita,

On Wed, 2023-02-01 at 12:10 +0300, Nikita Shubin wrote:
> This prepares ep93xx SOC gpio to convert into device tree driver:
> - dropped banks and legacy defines
> - split AB IRQ and make it shared
> 
> We are relying on IRQ number information A, B ports have single shared
> IRQ, while F port have dedicated IRQ for each line.
> 
> Also we had to split single ep93xx platform_device into multiple, one
> for each port, without this we can't do a full working transition from
> legacy platform code into device tree capable. All GPIO_LOOKUP were
> change to match new chip namings.
> 
> Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> ---
> Bart, i've rebased on the top of gpio/for-next (there were issues
> indeed), but this patch still won't apply. That's becouse it's dependant 
> on Linus patch:
> https://lore.kernel.org/linux-arm-kernel/20230111132210.134478-1-linus.walleij@linaro.org/T/
> 
> Alexander can we have Linus patch somehow applied to ep93xx ? 

in contrast to me Linus and Bartosz do maintain their GPIO tree,
from my side I've performed a quick test, so it's OK from my PoV to apply,
but I cannot really assist here more.

-- 
Alexander Sverdlin.