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Message-ID: <8d310df9-2139-e5ff-e0ee-205ffc1778a2@rock-chips.com>
Date:   Tue, 6 Jul 2021 15:05:15 +0800
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Cc:     shawn.lin@rock-chips.com, Adrian Hunter <adrian.hunter@intel.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Christian Lohle <CLoehle@hyperstone.com>,
        linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org
Subject: Re: [PATCH 0/3] mmc: core: Avoid hogging the CPU while polling for
 busy
To:     Ulf Hansson <ulf.hansson@linaro.org>
References: <20210702134229.357717-1-ulf.hansson@linaro.org>
From:   Shawn Lin <shawn.lin@rock-chips.com>
In-Reply-To: <20210702134229.357717-1-ulf.hansson@linaro.org>
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On 2021/7/2 21:42, Ulf Hansson wrote:
> Step by step, code that have been dealing sending CMD13 to poll the card for
> busy, have been moved to use the common mmc_poll_for_busy() loop. This helps to
> avoid hogging the CPU, for example, as it inserts a small delay in between each
> polling attempt. Additionally, it avoids open coding.
> 
> This series takes the next and final step, by moving the mmc block device layer
> from its own busy polling loop, into using the common code.
> 
> Please test and review!

Hi Ulf,

This patch-set looks good,

Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>

> 
> Kind regards
> Uffe
> 
> Ulf Hansson (3):
>    mmc: core: Avoid hogging the CPU while polling for busy in the I/O err
>      path
>    mmc: core: Avoid hogging the CPU while polling for busy for mmc ioctls
>    mmc: core: Avoid hogging the CPU while polling for busy after I/O
>      writes
> 
>   drivers/mmc/core/block.c   | 74 +++++++++++++++++---------------------
>   drivers/mmc/core/mmc_ops.c |  5 ++-
>   drivers/mmc/core/mmc_ops.h |  1 +
>   3 files changed, 37 insertions(+), 43 deletions(-)
>