linux-kernel - Re: [PATCH] gpio: eic-sprd: break loop when getting NULL device resource

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Message-ID: <CACRpkdZptM_n00mirKDkmJn5e+h4HdUrKAG8x6onep00bSegSQ@mail.gmail.com>
Date:   Wed, 9 Dec 2020 09:42:23 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Chunyan Zhang <zhang.lyra@...il.com>
Cc:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang7@...il.com>,
        Chunyan Zhang <chunyan.zhang@...soc.com>
Subject: Re: [PATCH] gpio: eic-sprd: break loop when getting NULL device resource

On Wed, Dec 9, 2020 at 6:51 AM Chunyan Zhang <zhang.lyra@...il.com> wrote:

> EIC controller have unfixed numbers of banks on different Spreadtrum SoCs,
> and each bank has its own base address, the loop of getting there base
> address in driver should break if the resource gotten via
> platform_get_resource() is NULL already. The later ones would be all NULL
> even if the loop continues.
>
> Fixes: 25518e024e3a ("gpio: Add Spreadtrum EIC driver support")
> Signed-off-by: Chunyan Zhang <chunyan.zhang@...soc.com>

Patch applied for fixes!

Yours,
Linus Walleij