diff options
| author | Pavel Pisa <ppisa@pikron.com> | 2006-05-19 21:48:03 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-05-19 21:48:03 +0100 |
| commit | 2c171bf13423dc5293188cea7f6c2da1720926e2 (patch) | |
| tree | d251705f564c8ffb081ba84c769fd2d1b229db53 /drivers/mmc/wbsd.c | |
| parent | a54c9d30dbb06391ec4422aaf0e1dc2c8c53bd3e (diff) | |
| download | kernel_samsung_tuna-2c171bf13423dc5293188cea7f6c2da1720926e2.zip kernel_samsung_tuna-2c171bf13423dc5293188cea7f6c2da1720926e2.tar.gz kernel_samsung_tuna-2c171bf13423dc5293188cea7f6c2da1720926e2.tar.bz2 | |
[ARM] 3531/1: i.MX/MX1 SD/MMC ensure, that clock are stopped before new command and cleanups
Patch from Pavel Pisa
There has been problems that for some paths that clock are not stopped
during new command programming and initiation. Result is issuing
of incorrect command to the card. Some other problems are cleaned too.
Noisy report of known ERRATUM #4 has been suppressed.
Signed-off-by: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/mmc/wbsd.c')
| -rw-r--r-- | drivers/mmc/wbsd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c index 39b3d97..8167332 100644 --- a/drivers/mmc/wbsd.c +++ b/drivers/mmc/wbsd.c @@ -662,14 +662,14 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data) unsigned long dmaflags; DBGF("blksz %04x blks %04x flags %08x\n", - 1 << data->blksz_bits, data->blocks, data->flags); + data->blksz, data->blocks, data->flags); DBGF("tsac %d ms nsac %d clk\n", data->timeout_ns / 1000000, data->timeout_clks); /* * Calculate size. */ - host->size = data->blocks << data->blksz_bits; + host->size = data->blocks * data->blksz; /* * Check timeout values for overflow. @@ -696,12 +696,12 @@ static void wbsd_prepare_data(struct wbsd_host *host, struct mmc_data *data) * Two bytes are needed for each data line. */ if (host->bus_width == MMC_BUS_WIDTH_1) { - blksize = (1 << data->blksz_bits) + 2; + blksize = data->blksz + 2; wbsd_write_index(host, WBSD_IDX_PBSMSB, (blksize >> 4) & 0xF0); wbsd_write_index(host, WBSD_IDX_PBSLSB, blksize & 0xFF); } else if (host->bus_width == MMC_BUS_WIDTH_4) { - blksize = (1 << data->blksz_bits) + 2 * 4; + blksize = data->blksz + 2 * 4; wbsd_write_index(host, WBSD_IDX_PBSMSB, ((blksize >> 4) & 0xF0) | WBSD_DATA_WIDTH); |