[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>
diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c
index 914d62b..5dc4bee 100644
--- a/drivers/mmc/au1xmmc.c
+++ b/drivers/mmc/au1xmmc.c
@@ -310,7 +310,7 @@
}
else
data->bytes_xfered =
- (data->blocks * (1 << data->blksz_bits)) -
+ (data->blocks * data->blksz) -
host->pio.len;
}
@@ -575,7 +575,7 @@
au1xmmc_prepare_data(struct au1xmmc_host *host, struct mmc_data *data)
{
- int datalen = data->blocks * (1 << data->blksz_bits);
+ int datalen = data->blocks * data->blksz;
if (dma != 0)
host->flags |= HOST_F_DMA;
@@ -596,7 +596,7 @@
if (host->dma.len == 0)
return MMC_ERR_TIMEOUT;
- au_writel((1 << data->blksz_bits) - 1, HOST_BLKSIZE(host));
+ au_writel(data->blksz - 1, HOST_BLKSIZE(host));
if (host->flags & HOST_F_DMA) {
int i;