From: Adrian Hunter <adrian.hunter@nokia.com>
Date: Tue, 22 Sep 2009 23:44:56 +0000 (-0700)
Subject: omap_hsmmc: clear interrupt status after init sequence
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c653a6d4d18be5213d0e910cee75ebf089f8ba9d;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

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@nokia.com>
Acked-by: Matt Fleming <matt@console-pimps.org>
Cc: Ian Molton <ian@mnementh.co.uk>
Cc: "Roberto A. Foglietta" <roberto.foglietta@gmail.com>
Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Cc: Denis Karpov <ext-denis.2.karpov@nokia.com>
Cc: Pierre Ossman <pierre@ossman.eu>
Cc: Philip Langdale <philipl@overt.org>
Cc: "Madhusudhan" <madhu.cr@ti.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 305e5d26d7e7..325cf60c65e5 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -360,6 +360,10 @@ 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);
 }