linux-kernel - Re: [PATCH] mmc: sdhci-brcmstb: Fix mmc timeout errors on S5 suspend

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Message-ID: <815ddd6e-462c-9acc-c652-a2093f5640a3@gmail.com>
Date:   Thu, 7 Jan 2021 14:42:26 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Al Cooper <alcooperx@...il.com>, linux-kernel@...r.kernel.org
Cc:     Adrian Hunter <adrian.hunter@...el.com>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org, linux-mmc@...r.kernel.org,
        Ulf Hansson <ulf.hansson@...aro.org>
Subject: Re: [PATCH] mmc: sdhci-brcmstb: Fix mmc timeout errors on S5 suspend

On 1/7/21 2:15 PM, Al Cooper wrote:
> Commit e7b5d63a82fe ("mmc: sdhci-brcmstb: Add shutdown callback")
> that added a shutdown callback to the diver, is causing "mmc timeout"
> errors on S5 suspend. The problem was that the "remove" was queuing
> additional MMC commands after the "shutdown" and these caused
> timeouts as the MMC queues were cleaned up for "remove". The
> shutdown callback will be changed to calling sdhci-pltfm_suspend
> which should get better power savings because the clocks will be
> shutdown.
> 
> Fixes: e7b5d63a82fe ("mmc: sdhci-brcmstb: Add shutdown callback")
> Signed-off-by: Al Cooper <alcooperx@...il.com>

Acked-by: Florian Fainelli <f.fainelli@...il.com>
-- 
Florian