linux-kernel - Re: mmotm 2010-09-15 - BUG in mmc driver calling led_trigger

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Message-ID: <20100922063244.GA19324@oksana.dev.rtsoft.ru>
Date:	Wed, 22 Sep 2010 10:32:44 +0400
From:	Anton Vorontsov <cbouatmailru@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Valdis.Kletnieks@...edu, Richard Purdie <rpurdie@...ys.net>,
	Chris Ball <cjb@...top.org>,
	Hein_Tibosch <hein_tibosch@...oo.es>,
	linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org
Subject: Re: mmotm 2010-09-15 - BUG in mmc driver calling
 led_trigger_event()

On Tue, Sep 21, 2010 at 08:17:58PM -0700, Andrew Morton wrote:
[...]
> led_trigger_event() does read_lock() then calls led_set_brightness()
> which indirectly calls sdhci_led_control() which does mutex_lock().  
> 
> That mutex_lock() was added by sdhci-turn-host-lock-into-a-mutex.patch.
> 
> Anton, those patches aren't going very well - I think I'll drop

Yep, please drop it.

Thanks,

> sdhci-turn-timeout-timer-into-delayed-work.patch
> sdhci-use-work-structs-instead-of-tasklets.patch
> sdhci-use-work-structs-instead-of-tasklets-fix.patch
> sdhci-clear-interrupt-status-register-just-once.patch
> sdhci-use-threaded-irq-handler.patch
> sdhci-turn-host-lock-into-a-mutex.patch
> sdhci-get-rid-of-card-detect-work.patch
> sdhci-get-rid-of-card-detect-work-fix.patch
> sdhci-get-rid-of-mdelays-where-it-is-safe-and-makes-sense.patch
> sdhci-use-jiffies-instead-of-a-timeout-counter.patch
> 

-- 
Anton Vorontsov
email: cbouatmailru@...il.com
irc://irc.freenode.net/bd2
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