From: Pierre Ossman <drzeus@drzeus.cx>
Date: Fri, 30 Jun 2006 09:22:30 +0000 (-0700)
Subject: [MMC] sdhci: reset sdhci controller early
X-Git-Tag: v2.6.18-rc1~146^2~3
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=d96649ed5ace812ffc8d86252d7c663326ca47f8;p=linux-2.6-omap-h63xx.git

[MMC] sdhci: reset sdhci controller early

The specification states that the capabilities register might need a reset to
get correct values after boot up.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index e37c8149249..06dec744d53 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -1132,6 +1132,8 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
 		goto release;
 	}
 
+	sdhci_reset(host, SDHCI_RESET_ALL);
+
 	version = readw(host->ioaddr + SDHCI_HOST_VERSION);
 	version = (version & SDHCI_SPEC_VER_MASK) >> SDHCI_SPEC_VER_SHIFT;
 	if (version != 0) {