diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mmc/host/pxamci.c | 18 |
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) | |||
232 | /* | 232 | /* |
233 | * workaround for erratum #42: | 233 | * workaround for erratum #42: |
234 | * Intel PXA27x Family Processor Specification Update Rev 001 | 234 | * Intel PXA27x Family Processor Specification Update Rev 001 |
235 | * A bogus CRC error can appear if the msb of a 136 bit | ||
236 | * response is a one. | ||
235 | */ | 237 | */ |
236 | if (cmd->opcode == MMC_ALL_SEND_CID || | 238 | if (cmd->flags & MMC_RSP_136 && cmd->resp[0] & 0x80000000) { |
237 | cmd->opcode == MMC_SEND_CSD || | 239 | pr_debug("ignoring CRC from command %d - *risky*\n", cmd->opcode); |
238 | cmd->opcode == MMC_SEND_CID) { | 240 | } else |
239 | /* a bogus CRC error can appear if the msb of | ||
240 | the 15 byte response is a one */ | ||
241 | if ((cmd->resp[0] & 0x80000000) == 0) | ||
242 | cmd->error = MMC_ERR_BADCRC; | ||
243 | } else { | ||
244 | pr_debug("ignoring CRC from command %d - *risky*\n",cmd->opcode); | ||
245 | } | ||
246 | #else | ||
247 | cmd->error = MMC_ERR_BADCRC; | ||
248 | #endif | 241 | #endif |
242 | cmd->error = MMC_ERR_BADCRC; | ||
249 | } | 243 | } |
250 | 244 | ||
251 | pxamci_disable_irq(host, END_CMD_RES); | 245 | pxamci_disable_irq(host, END_CMD_RES); |