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path: root/drivers/mmc/host/pxamci.c
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Diffstat (limited to 'drivers/mmc/host/pxamci.c')
-rw-r--r--drivers/mmc/host/pxamci.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index d97d3864b57f..f8985c508bb9 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -232,20 +232,14 @@ static int pxamci_cmd_done(struct pxamci_host *host, unsigned int stat)
/*
* workaround for erratum #42:
* Intel PXA27x Family Processor Specification Update Rev 001
+ * A bogus CRC error can appear if the msb of a 136 bit
+ * response is a one.
*/
- if (cmd->opcode == MMC_ALL_SEND_CID ||
- cmd->opcode == MMC_SEND_CSD ||
- cmd->opcode == MMC_SEND_CID) {
- /* a bogus CRC error can appear if the msb of
- the 15 byte response is a one */
- if ((cmd->resp[0] & 0x80000000) == 0)
- cmd->error = MMC_ERR_BADCRC;
- } else {
- pr_debug("ignoring CRC from command %d - *risky*\n",cmd->opcode);
- }
-#else
- cmd->error = MMC_ERR_BADCRC;
+ if (cmd->flags & MMC_RSP_136 && cmd->resp[0] & 0x80000000) {
+ pr_debug("ignoring CRC from command %d - *risky*\n", cmd->opcode);
+ } else
#endif
+ cmd->error = MMC_ERR_BADCRC;
}
pxamci_disable_irq(host, END_CMD_RES);