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From: Adrian Hunter <adrian.hunter@nokia.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com>,
	Adrian Hunter <adrian.hunter@nokia.com>,
	linux-omap Mailing List <linux-omap@vger.kernel.org>,
	Pierre Ossman <pierre@ossman.eu>,
	Denis Karpov <ext-denis.2.karpov@nokia.com>,
	Matt Fleming <matt@console-pimps.org>,
	lkml <linux-kernel@vger.kernel.org>
Subject: [PATCH V2 24/32] omap_hsmmc: clear interrupt status after init sequence
Date: Tue, 28 Jul 2009 13:41:31 +0300	[thread overview]
Message-ID: <20090728104131.2371.37074.sendpatchset@ahunter-laptop> (raw)
In-Reply-To: <20090728103834.2371.65809.sendpatchset@ahunter-laptop>

>From 1aa0e844f89f4349a6e940079343efbf9e8130d6 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@nokia.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@nokia.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

  parent reply	other threads:[~2009-07-28 10:41 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-28 10:38 [PATCH V2 0/32] mmc and omap_hsmmc patches Adrian Hunter
2009-07-28 10:38 ` [PATCH V2 1/32] mmc: add 'enable' and 'disable' methods to mmc host Adrian Hunter
2009-07-28 10:38 ` [PATCH V2 2/32] mmc: allow host claim / release nesting Adrian Hunter
2009-07-28 10:38 ` [PATCH V2 3/32] mmc: add MMC_CAP_NONREMOVABLE host capability Adrian Hunter
2009-07-28 10:39 ` [PATCH V2 4/32] mmc: add ability to save power by powering off cards Adrian Hunter
2009-07-30  1:05   ` Madhusudhan
2009-07-30  7:16     ` Adrian Hunter
2009-07-28 10:39 ` [PATCH V2 5/32] mmc: add mmc card sleep and awake support Adrian Hunter
2009-07-28 10:39 ` [PATCH V2 6/32] mmc: power off once at removal Adrian Hunter
2009-07-28 10:39 ` [PATCH V2 7/32] mmc: add host capabilities for SD only and MMC only Adrian Hunter
2009-07-28 10:39 ` [PATCH V2 8/32] mmc: check status after MMC SWITCH command Adrian Hunter
2009-07-28 10:39 ` [PATCH V2 9/32] omap_hsmmc: add debugfs entry (host registers) Adrian Hunter
2009-07-28 10:39 ` [PATCH V2 10/32] omap_hsmmc: make use of new enable/disable interface Adrian Hunter
2009-07-28 10:39 ` [PATCH V2 11/32] ARM: OMAP: mmc-twl4030: add context loss counter support Adrian Hunter
2009-07-28 10:40 ` [PATCH V2 12/32] omap_hsmmc: keep track of power mode Adrian Hunter
2009-07-28 10:40 ` [PATCH V2 13/32] omap_hsmmc: context save/restore support Adrian Hunter
2009-07-30  2:00   ` Madhusudhan
2009-07-30  7:40     ` Adrian Hunter
2009-07-30 19:12       ` Madhusudhan
2009-07-30 19:33         ` Adrian Hunter
2009-07-28 10:40 ` [PATCH V2 14/32] omap_hsmmc: set open drain bit correctly Adrian Hunter
2009-07-28 10:40 ` [PATCH V2 15/32] omap_hsmmc: ensure workqueues are empty before suspend Adrian Hunter
2009-07-28 10:40 ` [PATCH V2 16/32] omap_hsmmc: fix scatter-gather list sanity checking Adrian Hunter
2009-07-28 10:40 ` [PATCH V2 17/32] omap_hsmmc: make use of new MMC_CAP_NONREMOVABLE host capability Adrian Hunter
2009-07-28 10:40 ` [PATCH V2 18/32] omap_hsmmc: support for deeper power saving states Adrian Hunter
2009-07-28 10:40 ` [PATCH V2 19/32] ARM: OMAP: mmc-twl4030: add regulator sleep / wake function Adrian Hunter
2009-07-28 10:41 ` [PATCH V2 20/32] omap_hsmmc: put MMC regulator to sleep Adrian Hunter
2009-07-28 10:41 ` [PATCH V2 21/32] omap_hsmmc: add mmc card sleep and awake support Adrian Hunter
2009-07-28 10:41 ` [PATCH V2 22/32] omap_hsmmc: fix NULL pointer dereference Adrian Hunter
2009-07-28 10:41 ` [PATCH V2 23/32] omap_hsmmc: cleanup macro usage Adrian Hunter
2009-07-28 10:41 ` Adrian Hunter [this message]
2009-07-28 10:41 ` [PATCH V2 25/32] omap_hsmmc: cater for weird CMD6 behaviour Adrian Hunter
2009-07-28 10:41 ` [PATCH V2 26/32] omap_hsmmc: prevent races with irq handler Adrian Hunter
2009-07-28 10:41 ` [PATCH V2 27/32] omap_hsmmc: pass host capabilities for SD only and MMC only Adrian Hunter
2009-07-28 10:42 ` [PATCH V2 28/32] omap_hsmmc: code refactoring Adrian Hunter
2009-07-28 10:42 ` [PATCH V2 29/32] omap_hsmmc: protect the card when the cover is open Adrian Hunter
2009-07-28 10:42 ` [PATCH V2 30/32] omap_hsmmc: ensure all clock enables and disables are paired Adrian Hunter
2009-07-28 10:42 ` [PATCH V2 31/32] omap_hsmmc: set a large data timeout for commands with busy signal Adrian Hunter
2009-07-28 10:42 ` [PATCH V2 32/32] ARM: OMAP: RX51: set MMC capabilities and power-saving flag Adrian Hunter
2009-07-29 11:13 ` [PATCH V2 0/32] mmc and omap_hsmmc patches Matt Fleming
2009-07-31  0:52   ` Madhusudhan
2009-08-13 15:27     ` Madhusudhan
2009-08-13 16:29       ` Andrew Morton

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