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Commit d96649ed authored by Pierre Ossman's avatar Pierre Ossman Committed by Russell King
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[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: default avatarPierre Ossman <drzeus@drzeus.cx>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 4a965505

drivers/mmc/sdhci.c

+2 −0
Original line number Diff line number Diff line
@@ -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) {