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

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Message-ID: <CACRpkdbLH2nFBgBDu0NkzbJmr8mFSsR_WuvRvO6G1YfZ=DqPEA@mail.gmail.com>
Date:	Thu, 13 Jun 2013 14:29:45 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Doug Anderson <dianders@...omium.org>
Cc:	Kukjin Kim <kgene.kim@...sung.com>,
	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 <eunki_kim@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/3] pinctrl: exynos: Add spinlocks to irq_mask and irq_unmask

On Wed, Jun 12, 2013 at 7:33 PM, Doug Anderson <dianders@...omium.org> 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>

Patch applied with Tomasz and Kukjin's ACKs.

Thanks!
Linus Walleij
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