[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>

drivers/mmc/pxamci.c

@@ -119,7 +119,7 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
 		nob = 0xffff;
 
 	writel(nob, host->base + MMC_NOB);
-	writel(1 << data->blksz_bits, host->base + MMC_BLKLEN);
+	writel(data->blksz, host->base + MMC_BLKLEN);
 
 	clks = (unsigned long long)data->timeout_ns * CLOCKRATE;
 	do_div(clks, 1000000000UL);
@@ -283,7 +283,7 @@ static int pxamci_data_done(struct pxamci_host *host, unsigned int stat)
 	 * data blocks as being in error.
 	 */
 	if (data->error == MMC_ERR_NONE)
-		data->bytes_xfered = data->blocks << data->blksz_bits;
+		data->bytes_xfered = data->blocks * data->blksz;
 	else
 		data->bytes_xfered = 0;