linux-kernel - RE: [PATCH 1/3] pinctrl: exynos: Add spinlocks to irq_mask and irq

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Message-id: <150701ce682d$9f622730$de267590$%kim@samsung.com>
Date:	Thu, 13 Jun 2013 21:00:39 +0900
From:	Kukjin Kim <kgene.kim@...sung.com>
To:	'Doug Anderson' <dianders@...omium.org>,
	'Linus Walleij' <linus.walleij@...aro.org>
Cc:	'Tomasz Figa' <tomasz.figa@...il.com>,
	'Olof Johansson' <olof@...om.net>,
	'Simon Glass' <sjg@...omium.org>,
	'Luigi Semenzato' <semenzato@...omium.org>,
	ilho215.lee@...sung.com, eunki_kim@...sung.com,
	linux-kernel@...r.kernel.org
Subject: RE: [PATCH 1/3] pinctrl: exynos: Add spinlocks to irq_mask and
 irq_unmask

Doug Anderson wrote:
> 
> The patch:
>   1984695 pinctrl: samsung: Protect bank registers with a spinlock
> 
> ...added spinlocks to protect many accesses.  However, the irq_mask
> and irq_unmask functions still do an unprotected read/modify/write.
> Add the spinlock there.
> 
> Signed-off-by: Doug Anderson <dianders@...omium.org>

Thanks :-)

Acked-by: Kukjin Kim <kgene.kim@...sung.com>

- Kukjin

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