From patchwork Sat Sep 18 18:58:13 2010
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X-Mailbox-Line: From gregkh@clark.site Sat Sep 18 11:59:57 2010
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Date: Sat, 18 Sep 2010 11:58:13 -0700
From: Greg KH <gregkh@suse.de>
To: linux-kernel@vger.kernel.org, stable@kernel.org
Cc: stable-review@kernel.org, torvalds@linux-foundation.org,
	akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk,
	Yusuke Goda <yusuke.goda.sx@renesas.com>,
	Magnus Damm <damm@opensource.se>, Ian Molton <ian@mnementh.co.uk>,
	Matt Fleming <matt@console-pimps.org>,
	Samuel Ortiz <sameo@linux.intel.com>, Paul Mundt <lethal@linux-sh.org>,
	<linux-mmc@vger.kernel.org>
Subject: [049/123] tmio_mmc: dont clear unhandled pending interrupts
References: <20100918185724.290702750@clark.site>
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	filename=tmio_mmc-don-t-clear-unhandled-pending-interrupts.patch
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--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -102,10 +102,7 @@
 
 #define ack_mmc_irqs(host, i) \
 	do { \
-		u32 mask;\
-		mask  = sd_ctrl_read32((host), CTL_STATUS); \
-		mask &= ~((i) & TMIO_MASK_IRQ); \
-		sd_ctrl_write32((host), CTL_STATUS, mask); \
+		sd_ctrl_write32((host), CTL_STATUS, ~(i)); \
 	} while (0)