linux-kernel - Re: [PATCH -next] dmaengine: ste_dma40: Add missing IRQ check in d40

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Message-ID: <CACRpkdbp_hDKu3BCruip=6+MjgLD_=HvFvgx-p9VgGV5MA9iPA@mail.gmail.com>
Date:   Thu, 10 Aug 2023 10:20:18 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Ruan Jinjie <ruanjinjie@...wei.com>
Cc:     vkoul@...nel.org, akpm@...ux-foundation.org,
        dan.j.williams@...el.com, srinidhi.kasagar@...ricsson.com,
        linux-arm-kernel@...ts.infradead.org, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] dmaengine: ste_dma40: Add missing IRQ check in d40_probe

On Mon, Jul 24, 2023 at 8:40 AM Ruan Jinjie <ruanjinjie@...wei.com> wrote:

> From: ruanjinjie <ruanjinjie@...wei.com>
>
> Check for the return value of platform_get_irq(): if no interrupt
> is specified, it wouldn't make sense to call request_irq().
>
> Fixes: 8d318a50b3d7 ("DMAENGINE: Support for ST-Ericssons DMA40 block v3")
> Signed-off-by: Ruan Jinjie <ruanjinjie@...wei.com>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij