linux-kernel - Re: linux-next: Tree for Jun 15 (drivers/dma/apple-admac.c)

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Message-ID: <CAK8P3a2mQiWKyVux+bfAJiRH=72q76UTLZnBbPCLVFVoXpGfaw@mail.gmail.com>
Date:   Wed, 15 Jun 2022 19:10:53 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Martin Povišer <povik+lin@...ebit.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        dmaengine@...r.kernel.org
Subject: Re: linux-next: Tree for Jun 15 (drivers/dma/apple-admac.c)

On Wed, Jun 15, 2022 at 6:28 PM Randy Dunlap <rdunlap@...radead.org> wrote:
>
>
>
> On 6/14/22 23:01, Stephen Rothwell wrote:
> > Hi all,
> >
> > Changes since 20220614:
> >
>
> on i386:
>
> ../drivers/dma/apple-admac.c: In function 'admac_cyclic_write_one_desc':
> ../drivers/dma/apple-admac.c:213:22: warning: right shift count >= width of type [-Wshift-count-overflow]
>   writel_relaxed(addr >> 32,       ad->base + REG_DESC_WRITE(channo));
>                       ^

This should probably use lower_32_bits()/upper_32_bits() then.

       Arnd