[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>
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@ -1132,6 +1132,8 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
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goto release;
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}
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sdhci_reset(host, SDHCI_RESET_ALL);
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version = readw(host->ioaddr + SDHCI_HOST_VERSION);
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version = (version & SDHCI_SPEC_VER_MASK) >> SDHCI_SPEC_VER_SHIFT;
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if (version != 0) {
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