From: Yusuke Goda <yusuke.goda.sx@renesas.com>
To: linux-mmc@vger.kernel.org
Cc: Andrew Morton <akpm@linux-foundation.org>,
Magnus Damm <magnus.damm@gmail.com>
Subject: [PATCH] tmio_mmc: Prevents unexpected status clear
Date: Wed, 07 Jul 2010 10:59:52 +0900 [thread overview]
Message-ID: <4C33DF98.10409@renesas.com> (raw)
This patch clears only necessary bit.
Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
---
drivers/mmc/host/tmio_mmc.h | 5 +----
1 files changed, 1 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 64f7d5d..7944604 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -82,10 +82,7 @@
#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)
--
1.7.0
next reply other threads:[~2010-07-07 2:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-07 1:59 Yusuke Goda [this message]
2010-07-08 21:46 ` [PATCH] tmio_mmc: Prevents unexpected status clear Andrew Morton
2010-07-13 1:16 ` Yusuke Goda
2010-07-15 20:25 ` Andrew Morton
2010-08-25 22:11 ` Matt Fleming
2010-08-25 23:07 ` Andrew Morton
2010-08-26 0:53 ` Yusuke Goda
2010-08-26 6:53 ` Matt Fleming
2010-08-26 6:58 ` Magnus Damm
2010-08-26 7:26 ` Matt Fleming
2010-08-26 21:12 ` Andrew Morton
2010-08-26 22:10 ` Matt Fleming
2010-08-26 22:16 ` Andrew Morton
2010-08-26 22:30 ` Matt Fleming
2010-08-27 8:02 ` Magnus Damm
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