From: w.sang@pengutronix.de (Wolfram Sang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 7/7] LPC32xx: clock.c: Fix mutex lock issues
Date: Tue, 31 Jan 2012 11:27:40 +0100 [thread overview]
Message-ID: <20120131102740.GI2471@pengutronix.de> (raw)
In-Reply-To: <1327939327-7799-7-git-send-email-stigge@antcom.de>
On Mon, Jan 30, 2012 at 05:02:06PM +0100, Roland Stigge wrote:
> This patch fixes the mutex issue in clock.c, as done in Kevin Wells' original
> driver update:
>
> In some cases, the clock drivers could grab a mutex twice in an improper
> context. This patch changes the mutex mechanism to a simple irq lock/unlock
> mechanism and removes un-needed locks from some functions.
>
> (See also git.lpclinux.com)
>
> Signed-off-by: Roland Stigge <stigge@antcom.de>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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From: Wolfram Sang <w.sang@pengutronix.de>
To: Roland Stigge <stigge@antcom.de>
Cc: bangaragiri.g@nxp.com, srinivas.bakki@nxp.com,
sundarapandian.andithevar@nxp.com, linus.walleij@linaro.org,
linux-kernel@vger.kernel.org, kevin.wells@nxp.com,
grant.likely@secretlab.ca, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 7/7] LPC32xx: clock.c: Fix mutex lock issues
Date: Tue, 31 Jan 2012 11:27:40 +0100 [thread overview]
Message-ID: <20120131102740.GI2471@pengutronix.de> (raw)
In-Reply-To: <1327939327-7799-7-git-send-email-stigge@antcom.de>
[-- Attachment #1: Type: text/plain, Size: 684 bytes --]
On Mon, Jan 30, 2012 at 05:02:06PM +0100, Roland Stigge wrote:
> This patch fixes the mutex issue in clock.c, as done in Kevin Wells' original
> driver update:
>
> In some cases, the clock drivers could grab a mutex twice in an improper
> context. This patch changes the mutex mechanism to a simple irq lock/unlock
> mechanism and removes un-needed locks from some functions.
>
> (See also git.lpclinux.com)
>
> Signed-off-by: Roland Stigge <stigge@antcom.de>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
--
Pengutronix e.K. | Wolfram Sang |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2012-01-31 10:27 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-30 16:02 [PATCH v2 1/7] LPC32xx: clock.c: Missing header file Roland Stigge
2012-01-30 16:02 ` Roland Stigge
2012-01-30 16:02 ` [PATCH v2 2/7] LPC32xx: clock.c: jiffies wrapping Roland Stigge
2012-01-30 16:02 ` Roland Stigge
2012-01-31 10:24 ` Wolfram Sang
2012-01-31 10:24 ` Wolfram Sang
2012-01-30 16:02 ` [PATCH v2 3/7] LPC32xx: clock.c: Clock registration fixes Roland Stigge
2012-01-30 16:02 ` Roland Stigge
2012-01-30 16:02 ` [PATCH v2 4/7] LPC32xx: clock.c: MMC update Roland Stigge
2012-01-30 16:02 ` Roland Stigge
2012-01-30 16:02 ` [PATCH v2 5/7] LPC32xx: clock.c: warning fix Roland Stigge
2012-01-30 16:02 ` Roland Stigge
2012-01-31 10:26 ` Wolfram Sang
2012-01-31 10:26 ` Wolfram Sang
2012-01-30 16:02 ` [PATCH v2 6/7] LPC32xx: clock.c: USB PLL fix Roland Stigge
2012-01-30 16:02 ` Roland Stigge
2012-01-31 10:34 ` Wolfram Sang
2012-01-31 10:34 ` Wolfram Sang
2012-02-01 13:27 ` Roland Stigge
2012-02-01 13:27 ` Roland Stigge
2012-02-02 16:49 ` Wolfram Sang
2012-02-02 16:49 ` Wolfram Sang
2012-02-02 19:20 ` Roland Stigge
2012-02-02 19:20 ` Roland Stigge
2012-02-02 23:01 ` Wolfram Sang
2012-02-02 23:01 ` Wolfram Sang
2012-01-30 16:02 ` [PATCH v2 7/7] LPC32xx: clock.c: Fix mutex lock issues Roland Stigge
2012-01-30 16:02 ` Roland Stigge
2012-01-31 10:27 ` Wolfram Sang [this message]
2012-01-31 10:27 ` Wolfram Sang
2012-01-30 17:56 ` [PATCH v2 1/7] LPC32xx: clock.c: Missing header file Sergei Shtylyov
2012-01-30 17:56 ` Sergei Shtylyov
2012-01-31 10:22 ` Wolfram Sang
2012-01-31 10:22 ` Wolfram Sang
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