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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2012-06-12 22:56:09 +0200
committerChris Ball <cjb@laptop.org>2012-07-21 00:02:07 -0400
commit7541ca98477862e2e9988c6c2ceadbdccefa9d77 (patch)
treea1a98f8dba20ed272b9c7acbd7cd2ed2e4da60de /drivers/mmc
parent94c6cee91bebfc17596243b6a5f4fe910feec426 (diff)
mmc: sh_mmcif: Support MMC_SLEEP_AWAKE command
The MMC_SLEEP_AWAKE and SD_IO_SEND_OP_COND commands share the same opcode. SD_IO_SEND_OP_COND isn't supported by the SH MMCIF, but MMC_SLEEP_AWAKE is. Discriminate between the two commands using the command flags, and reject SD_IO_SEND_OP_COND only. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sh_mmcif.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 724b35e85a26..e32da1126e8d 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -892,21 +892,15 @@ static void sh_mmcif_request(struct mmc_host *mmc, struct mmc_request *mrq)
switch (mrq->cmd->opcode) {
/* MMCIF does not support SD/SDIO command */
- case SD_IO_SEND_OP_COND:
+ case MMC_SLEEP_AWAKE: /* = SD_IO_SEND_OP_COND (5) */
+ case MMC_SEND_EXT_CSD: /* = SD_SEND_IF_COND (8) */
+ if ((mrq->cmd->flags & MMC_CMD_MASK) != MMC_CMD_BCR)
+ break;
case MMC_APP_CMD:
host->state = STATE_IDLE;
mrq->cmd->error = -ETIMEDOUT;
mmc_request_done(mmc, mrq);
return;
- case MMC_SEND_EXT_CSD: /* = SD_SEND_IF_COND (8) */
- if (!mrq->data) {
- /* send_if_cond cmd (not support) */
- host->state = STATE_IDLE;
- mrq->cmd->error = -ETIMEDOUT;
- mmc_request_done(mmc, mrq);
- return;
- }
- break;
default:
break;
}