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>,
Madhusudhan Chikkature <madhu.cr@ti.com>,
Pierre Ossman <pierre@ossman.eu>,
linux-omap Mailing List <linux-omap@vger.kernel.org>,
linux-mmc Mailing List <linux-mmc@vger.kernel.org>,
Matt Fleming <matt@console-pimps.org>
Subject: [PATCH V3 23/30] omap_hsmmc: clear interrupt status after init sequence
Date: Wed, 09 Sep 2009 14:59:26 +0300 [thread overview]
Message-ID: <20090909115926.12833.41983.sendpatchset@ahunter-laptop> (raw)
In-Reply-To: <20090909115633.12833.39619.sendpatchset@ahunter-laptop>
>From 8cd514349f0a383b8e59172067ac4a3a8829b907 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 a669757..42f3aad 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
next prev parent reply other threads:[~2009-09-09 11:59 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-09 11:56 [PATCH V3 0/30] mmc and omap_hsmmc patches Adrian Hunter
2009-09-09 11:56 ` [PATCH V3 1/30] mmc: add 'enable' and 'disable' methods to mmc host Adrian Hunter
2009-09-09 11:56 ` [PATCH V3 2/30] mmc: allow host claim / release nesting Adrian Hunter
2009-09-09 11:56 ` [PATCH V3 3/30] mmc: add MMC_CAP_NONREMOVABLE host capability Adrian Hunter
2009-09-09 11:57 ` [PATCH V3 4/30] mmc: add ability to save power by powering off cards Adrian Hunter
2009-09-09 11:57 ` [PATCH V3 5/30] mmc: add mmc card sleep and awake support Adrian Hunter
2009-09-09 11:57 ` [PATCH V3 6/30] mmc: power off once at removal Adrian Hunter
2009-09-09 11:57 ` [PATCH V3 7/30] mmc: check status after MMC SWITCH command Adrian Hunter
2009-09-09 11:57 ` [PATCH V3 8/30] omap_hsmmc: add debugfs entry (host registers) Adrian Hunter
2009-09-09 11:57 ` [PATCH V3 9/30] omap_hsmmc: make use of new enable/disable interface Adrian Hunter
2009-09-09 11:57 ` [PATCH V3 10/30] ARM: OMAP: mmc-twl4030: add context loss counter support Adrian Hunter
2009-09-09 11:57 ` [PATCH V3 11/30] omap_hsmmc: keep track of power mode Adrian Hunter
2009-09-09 11:58 ` [PATCH V3 12/30] omap_hsmmc: context save/restore support Adrian Hunter
2009-09-09 11:58 ` [PATCH V3 13/30] omap_hsmmc: set open drain bit correctly Adrian Hunter
2009-09-09 11:58 ` [PATCH V3 14/30] omap_hsmmc: ensure workqueues are empty before suspend Adrian Hunter
2009-09-09 11:58 ` [PATCH V3 15/30] omap_hsmmc: fix scatter-gather list sanity checking Adrian Hunter
2009-09-09 11:58 ` [PATCH V3 16/30] omap_hsmmc: make use of new MMC_CAP_NONREMOVABLE host capability Adrian Hunter
2009-09-09 11:58 ` [PATCH V3 17/30] omap_hsmmc: support for deeper power saving states Adrian Hunter
2009-09-09 11:58 ` [PATCH V3 18/30] ARM: OMAP: mmc-twl4030: add regulator sleep / wake function Adrian Hunter
2009-09-09 11:58 ` [PATCH V3 19/30] omap_hsmmc: put MMC regulator to sleep Adrian Hunter
2009-09-09 11:59 ` [PATCH V3 20/30] omap_hsmmc: add mmc card sleep and awake support Adrian Hunter
2009-09-09 11:59 ` [PATCH V3 21/30] omap_hsmmc: fix NULL pointer dereference Adrian Hunter
2009-09-09 11:59 ` [PATCH V3 22/30] omap_hsmmc: cleanup macro usage Adrian Hunter
2009-09-09 11:59 ` Adrian Hunter [this message]
2009-09-09 11:59 ` [PATCH V3 24/30] omap_hsmmc: cater for weird CMD6 behaviour Adrian Hunter
2009-09-09 11:59 ` [PATCH V3 25/30] omap_hsmmc: prevent races with irq handler Adrian Hunter
2009-09-09 11:59 ` [PATCH V3 26/30] omap_hsmmc: code refactoring Adrian Hunter
2009-09-09 11:59 ` [PATCH V3 27/30] omap_hsmmc: protect the card when the cover is open Adrian Hunter
2009-09-09 12:00 ` [PATCH V3 28/30] omap_hsmmc: ensure all clock enables and disables are paired Adrian Hunter
2009-09-10 22:02 ` Andrew Morton
2009-09-11 8:31 ` Adrian Hunter
2009-09-09 12:00 ` [PATCH V3 29/30] omap_hsmmc: set a large data timeout for commands with busy signal Adrian Hunter
2009-09-09 12:00 ` [PATCH V3 30/30] ARM: OMAP: RX51: set MMC capabilities and power-saving flag Adrian Hunter
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