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mci: pxamci fix response type 

When preparing a command, apply a mask so that only the command part
will be used for the switch case. This will be more robust
for future command response types.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Robert Jarzmik 2012-04-16 21:47:15 +02:00 committed by Sascha Hauer
parent b0bab98abd
commit 0f0d40217f
1 changed files with 5 additions and 4 deletions
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9
drivers/mci/pxamci.c
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@ -163,18 +163,19 @@ static int pxamci_transfer_data(struct pxamci_host *host,
return ret;
}
#define MMC_RSP_MASK (MMC_RSP_PRESENT | MMC_RSP_136 | MMC_RSP_CRC | \
MMC_RSP_BUSY | MMC_RSP_OPCODE)
static void pxamci_start_cmd(struct pxamci_host *host, struct mci_cmd *cmd,
unsigned int cmdat)
{
mci_dbg("cmd=(idx=%d,type=%d,clkrt=%d)\n", cmd->cmdidx, cmd->resp_type,
host->clkrt);
if (cmd->resp_type & MMC_RSP_BUSY)
cmdat |= CMDAT_BUSY;
switch (cmd->resp_type) {
switch (cmd->resp_type & MMC_RSP_MASK) {
/* r1, r1b, r6, r7 */
case MMC_RSP_R1:
case MMC_RSP_R1b:
cmdat |= CMDAT_BUSY;
case MMC_RSP_R1:
cmdat |= CMDAT_RESP_SHORT;
break;
case MMC_RSP_R2: