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[MMC] sdhci: check controller version

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Check the interface version of the controller and bail out if it's an unknown
version.

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>
This commit is contained in:
Pierre Ossman
2006-06-30 02:22:29 -07:00
committed by Russell King
parent fd2208d7c7
commit 4a9655051f
2 changed files with 15 additions and 0 deletions
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4
drivers/mmc/sdhci.h
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@@ -149,6 +149,10 @@
#define SDHCI_SLOT_INT_STATUS 0xFC
#define SDHCI_HOST_VERSION 0xFE
#define SDHCI_VENDOR_VER_MASK 0xFF00
#define SDHCI_VENDOR_VER_SHIFT 8
#define SDHCI_SPEC_VER_MASK 0x00FF
#define SDHCI_SPEC_VER_SHIFT 0
struct sdhci_chip;