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authorJarkko Lavinen <jarkko.lavinen@nokia.com>2008-11-17 15:35:21 +0300
committerPierre Ossman <drzeus@drzeus.cx>2008-12-31 20:18:12 +0300
commitb30f8af3358b5c66be223e3a9f3d11b3d02b4a8f (patch)
tree937cf3024bdb48da748c8fece5cfaa6f6ef45744 /include/linux/mmc
parent35ff8554d12ecc80a46ea0d9bce34fe28733ff38 (diff)
downloadlinux-b30f8af3358b5c66be223e3a9f3d11b3d02b4a8f.tar.xz
mmc: Add 8-bit bus width support
Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'include/linux/mmc')
-rw-r--r--include/linux/mmc/host.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index f842f234e44f..4e457256bd33 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -41,6 +41,7 @@ struct mmc_ios {
#define MMC_BUS_WIDTH_1 0
#define MMC_BUS_WIDTH_4 2
+#define MMC_BUS_WIDTH_8 3
unsigned char timing; /* timing specification used */
@@ -116,6 +117,7 @@ struct mmc_host {
#define MMC_CAP_SDIO_IRQ (1 << 3) /* Can signal pending SDIO IRQs */
#define MMC_CAP_SPI (1 << 4) /* Talks only SPI protocols */
#define MMC_CAP_NEEDS_POLL (1 << 5) /* Needs polling for card-detection */
+#define MMC_CAP_8_BIT_DATA (1 << 6) /* Can the host do 8 bit transfers */
/* host specific block data */
unsigned int max_seg_size; /* see blk_queue_max_segment_size */