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authorJerry Huang <Chang-Ming.Huang@freescale.com>2010-08-10 18:01:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-11 08:59:05 -0700
commitc4512f79dcb236c8dc2afae176a0dc520096f0bc (patch)
tree4aced8cb26bae4256e538c6a35679d31c60d7dc2 /drivers/mmc/host/sdhci.h
parent9bea3c850dbff2296892298614388bdc71ad2170 (diff)
sdhci: add auto CMD12 support for eSDHC driver
Add auto CMD12 command support for eSDHC driver. This is needed by P4080 and P1022 for block read/write. Manual asynchronous CMD12 abort operation causes protocol violations on these silicons. Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com> Signed-off-by: Roy Zang <tie-fei.zang@freescale.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Kumar Gala <galak@gate.crashing.org> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/mmc/host/sdhci.h')
-rw-r--r--drivers/mmc/host/sdhci.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index ff070a309f8..036cfae7636 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -243,6 +243,8 @@ struct sdhci_host {
#define SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC (1<<26)
/* Controller is missing device caps. Use caps provided by host */
#define SDHCI_QUIRK_MISSING_CAPS (1<<27)
+/* Controller uses Auto CMD12 command to stop the transfer */
+#define SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 (1<<28)
int irq; /* Device IRQ */
void __iomem * ioaddr; /* Mapped address */