Hi Andrew Andrew Morton wrote: > On Wed, 07 Jul 2010 11:01:20 +0900 > Yusuke Goda <[email protected]> wrote: > >> Signed-off-by: Yusuke Goda <[email protected]> >> --- >> drivers/mmc/host/tmio_mmc.c | 2 +- >> 1 files changed, 1 insertions(+), 1 deletions(-) >> >> diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c >> index ee7d0a5..cac1c97 100644 >> --- a/drivers/mmc/host/tmio_mmc.c >> +++ b/drivers/mmc/host/tmio_mmc.c >> @@ -661,7 +661,7 @@ static int tmio_mmc_start_data(struct tmio_mmc_host >> *host, >> data->blksz, data->blocks); >> >> /* Hardware cannot perform 1 and 2 byte requests in 4 bit mode */ >> - if (data->blksz < 4 && host->mmc->ios.bus_width == MMC_BUS_WIDTH_4) { >> + if (data->blksz < 2 && host->mmc->ios.bus_width == MMC_BUS_WIDTH_4) { >> pr_err("%s: %d byte block unsupported in 4 bit mode\n", >> mmc_hostname(host->mmc), data->blksz); >> return -EINVAL; > > Again, please provide a suitable description for this change. I think the data size is not limited by MMC_BUS_WIDTH_x. I confirmed that data transmission of 2Byte was performed without a problem.
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