From: Teppei Kamijou <teppei.kamijou.yb@xxxxxxxxxxx>
SH/R-Mobile MMCIF host controller can wait while the card signals busy.
Set MMC_CAP_WAIT_WHILE_BUSY to inform an upper layer (core/mmc_ops.c)
not to insert unnecessary mmc_delay().
Signed-off-by: Teppei Kamijou <teppei.kamijou.yb@xxxxxxxxxxx>
Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@xxxxxxxxxxx>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
---
drivers/mmc/host/sh_mmcif.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
index 1665ae4..092c415 100644
--- a/drivers/mmc/host/sh_mmcif.c
+++ b/drivers/mmc/host/sh_mmcif.c
@@ -758,6 +758,7 @@ static u32 sh_mmcif_set_cmd(struct sh_mmcif_host *host,
}
switch (opc) {
/* RBSY */
+ case MMC_SLEEP_AWAKE:
case MMC_SWITCH:
case MMC_STOP_TRANSMISSION:
case MMC_SET_WRITE_PROT:
@@ -851,6 +852,7 @@ static void sh_mmcif_start_cmd(struct sh_mmcif_host *host,
switch (opc) {
/* response busy check */
+ case MMC_SLEEP_AWAKE:
case MMC_SWITCH:
case MMC_STOP_TRANSMISSION:
case MMC_SET_WRITE_PROT:
@@ -1357,7 +1359,7 @@ static int sh_mmcif_probe(struct platform_device *pdev)
mmc->ops = &sh_mmcif_ops;
sh_mmcif_init_ocr(host);
- mmc->caps = MMC_CAP_MMC_HIGHSPEED;
+ mmc->caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_WAIT_WHILE_BUSY;
if (pd && pd->caps)
mmc->caps |= pd->caps;
mmc->max_segs = 32;
--
1.7.2.5
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