From: Mark Brown <broonie@kernel.org>
To: Nicolas Boichat <drinkcat@chromium.org>
Cc: Kukjin Kim <kgene@kernel.org>,
Krzysztof Kozlowski <k.kozlowski@samsung.com>,
linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org
Subject: Re: [PATCH 1/3] spi: bitbang: Replace spinlock by mutex when calling chipselect
Date: Fri, 14 Aug 2015 20:19:20 +0100 [thread overview]
Message-ID: <20150814191920.GK10748@sirena.org.uk> (raw)
In-Reply-To: <CANMq1KB2zxPPCbxh4K-REUgp-83s=MPcGRjz-p1fK1PQMzyLdw@mail.gmail.com>
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On Wed, Aug 05, 2015 at 06:24:05PM +0800, Nicolas Boichat wrote:
> Anyway, the "safer" way to fix this would be to keep the
> prepare/unprepare functions, busy variable, and just protect it with a
> mutex instead of a spinlock...
OK, that seems reasonable.
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prev parent reply other threads:[~2015-08-15 2:13 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-04 6:09 Nicolas Boichat
2015-08-04 6:09 ` [PATCH 2/3] spi: ppc44x: Remove chipselect from setupxfer Nicolas Boichat
2015-08-04 6:09 ` [PATCH 3/3] spi: s3c24xx: Convert spinlock to mutex Nicolas Boichat
2015-08-04 11:00 ` Mark Brown
2015-08-04 10:59 ` [PATCH 1/3] spi: bitbang: Replace spinlock by mutex when calling chipselect Mark Brown
2015-08-05 10:24 ` Nicolas Boichat
2015-08-14 19:19 ` Mark Brown [this message]
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