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References: <20220728155652.29516-1-henning.schild@siemens.com>
In-Reply-To: <20220728155652.29516-1-henning.schild@siemens.com>
From:   Linus Walleij <linus.walleij@linaro.org>
Date:   Mon, 22 Aug 2022 09:34:23 +0200
Message-ID: <CACRpkdZub6cSNSEsZt+L9BVusiJYRvb961XDs4tcNDc8pcggog@mail.gmail.com>
Subject: Re: [PATCH 0/4] add support for another simatic board
To:     Henning Schild <henning.schild@siemens.com>
Cc:     linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
        Bartosz Golaszewski <brgl@bgdev.pl>,
        Tasanakorn Phaipool <tasanakorn@gmail.com>,
        Sheng-Yuan Huang <syhuang3@nuvoton.com>,
        Kuan-Wei Ho <cwho@nuvoton.com>,
        Andy Shevchenko <andy.shevchenko@gmail.com>
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On Thu, Jul 28, 2022 at 5:57 PM Henning Schild
<henning.schild@siemens.com> wrote:

> In another step the individual banks receive a label to tell them apart,
> a step which potentially changes an interface to legacy users that might
> rely on all banks having the same label, or an exact label. But since a
> later patch wants to use GPIO_LOOKUP unique labels are needed and i
> decided to assign them for all supported chips.

Since it is all in-kernel users, any "legacy users" should be in the
kernel tree and you should then fix them in the patch.

If they are not in the kernel tree, they are out-of-tree drivers and
them we do not care, we can't fix the whole world.

Yours,
Linus Walleij