linux-kernel - [PATCH V2 24/32] omap_hsmmc: clear interrupt status after init sequence

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Message-Id: <20090728104131.2371.37074.sendpatchset@ahunter-laptop>
Date:	Tue, 28 Jul 2009 13:41:31 +0300
From:	Adrian Hunter <adrian.hunter@...ia.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Jarkko Lavinen <jarkko.lavinen@...ia.com>,
	Adrian Hunter <adrian.hunter@...ia.com>,
	linux-omap Mailing List <linux-omap@...r.kernel.org>,
	Pierre Ossman <pierre@...man.eu>,
	Denis Karpov <ext-denis.2.karpov@...ia.com>,
	Matt Fleming <matt@...sole-pimps.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH V2 24/32] omap_hsmmc: clear interrupt status after init sequence

>From 1aa0e844f89f4349a6e940079343efbf9e8130d6 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@...ia.com>
Date: Sat, 16 May 2009 09:35:17 +0300
Subject: [PATCH] omap_hsmmc: clear interrupt status after init sequence

Clear the interrupt status after sending the initialization sequence,
as specified in the TRM.

Signed-off-by: Adrian Hunter <adrian.hunter@...ia.com>
---
 drivers/mmc/host/omap_hsmmc.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 0373bdd..c7a6d88 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -358,6 +358,10 @@ static void send_init_stream(struct mmc_omap_host *host)
 
 	OMAP_HSMMC_WRITE(host->base, CON,
 		OMAP_HSMMC_READ(host->base, CON) & ~INIT_STREAM);
+
+	OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR);
+	OMAP_HSMMC_READ(host->base, STAT);
+
 	enable_irq(host->irq);
 }
 
-- 
1.5.6.3

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