linux-kernel - Re: [PATCH]spi: pl022: add a message state STATE

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Message-ID: <CACRpkdaX5O6j85L83KyMN3dxjkzrgSdhMRm5BwFb58fdMdA2+w@mail.gmail.com>
Date:   Mon, 21 Jan 2019 14:57:35 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Jiwei Sun <jiwei.sun@...driver.com>
Cc:     Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Mark Brown <broonie@...nel.org>,
        linux-spi <linux-spi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH]spi: pl022: add a message state STATE_TIMEOUT for timeout transfer

On Fri, Jan 18, 2019 at 4:33 AM Jiwei Sun <jiwei.sun@...driver.com> wrote:

> When transfer timeout, give -EAGAIN to the message's status, and it can
> make the spi device driver choose repeated transimation or not. And if
> transfer timeout, output some useful information for tracing the issue.
>
> Signed-off-by: Jiwei Sun <jiwei.sun@...driver.com>

This looks very good and helpful!

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

Yours,
Linus Walleij