From 23af60398af2f5033e2f53665538a09f498dbc03 Mon Sep 17 00:00:00 2001 From: Pierre Ossman Date: Sun, 6 Jul 2008 01:10:27 +0200 Subject: mmc: remove multiwrite capability Relax requirements on host controllers and only require that they do not report a transfer count than is larger than the actual one (i.e. a lower value is okay). This is how many other parts of the kernel behaves so upper layers should already be prepared to handle that scenario. This gives us a performance boost on MMC cards. Signed-off-by: Pierre Ossman --- include/linux/mmc/host.h | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'include/linux') diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 753b7231b887..10a2080086ca 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -111,12 +111,11 @@ struct mmc_host { unsigned long caps; /* Host capabilities */ #define MMC_CAP_4_BIT_DATA (1 << 0) /* Can the host do 4 bit transfers */ -#define MMC_CAP_MULTIWRITE (1 << 1) /* Can accurately report bytes sent to card on error */ -#define MMC_CAP_MMC_HIGHSPEED (1 << 2) /* Can do MMC high-speed timing */ -#define MMC_CAP_SD_HIGHSPEED (1 << 3) /* Can do SD high-speed timing */ -#define MMC_CAP_SDIO_IRQ (1 << 4) /* Can signal pending SDIO IRQs */ -#define MMC_CAP_SPI (1 << 5) /* Talks only SPI protocols */ -#define MMC_CAP_NEEDS_POLL (1 << 6) /* Needs polling for card-detection */ +#define MMC_CAP_MMC_HIGHSPEED (1 << 1) /* Can do MMC high-speed timing */ +#define MMC_CAP_SD_HIGHSPEED (1 << 2) /* Can do SD high-speed timing */ +#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 */ /* host specific block data */ unsigned int max_seg_size; /* see blk_queue_max_segment_size */ -- cgit v1.2.2