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authorJaehoon Chung <jh80.chung@samsung.com>2012-01-13 17:31:32 +0900
committerChris Ball <cjb@laptop.org>2012-03-25 19:33:44 -0400
commit356ac2cf066174aecc3380f82fabe8a01f046c3f (patch)
tree8f9d903b67e11faf3313c6af6ea5474b5f916adc
parent4265900e0be653f5b78baf2816857ef57cf1332f (diff)
downloadop-kernel-dev-356ac2cf066174aecc3380f82fabe8a01f046c3f.zip
op-kernel-dev-356ac2cf066174aecc3380f82fabe8a01f046c3f.tar.gz
mmc: dw_mmc: add support for eMMC Power Off Notify feature
This patch adds the capability of power off notify for dw-mmc controller. In order to use Girish's patch: mmc: core: Add Power Off Notify Feature eMMC 4.5 Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Will Newton <will.newton@imgtec.com> Signed-off-by: Chris Ball <cjb@laptop.org>
-rw-r--r--drivers/mmc/host/dw_mmc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 8bec1c3..1dfcdef 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -1720,6 +1720,11 @@ static int __init dw_mci_init_slot(struct dw_mci *host, unsigned int id)
if (host->pdata->quirks & DW_MCI_QUIRK_HIGHSPEED)
mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
+ if (mmc->caps2 & MMC_CAP2_POWEROFF_NOTIFY)
+ mmc->power_notify_type = MMC_HOST_PW_NOTIFY_SHORT;
+ else
+ mmc->power_notify_type = MMC_HOST_PW_NOTIFY_NONE;
+
#ifdef CONFIG_MMC_DW_IDMAC
mmc->max_segs = host->ring_size;
mmc->max_blk_size = 65536;
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