3 files changed, 17 insertions, 0 deletions

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 2fcd24ccd38c..711c3f8bfabd 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -55,6 +55,7 @@ struct mmc_ext_csd {
         unsigned int            part_time;              /* Units: ms */
         unsigned int            sa_timeout;             /* Units: 100ns */
         unsigned int            generic_cmd6_time;      /* Units: 10ms */
+        unsigned int            power_off_longtime;     /* Units: ms */
         unsigned int            hs_max_dtr;
         unsigned int            sectors;
         unsigned int            card_type;
@@ -209,6 +210,11 @@ struct mmc_card {
 #define MMC_QUIRK_BLK_NO_CMD23  (1<<7)          /* Avoid CMD23 for regular multiblock */
 #define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8)   /* Avoid sending 512 bytes in */
                                                 /* byte mode */
+        unsigned int    poweroff_notify_state;  /* eMMC4.5 notify feature */
+#define MMC_NO_POWER_NOTIFICATION       0
+#define MMC_POWERED_ON                  1
+#define MMC_POWEROFF_SHORT              2
+#define MMC_POWEROFF_LONG               3
 
         unsigned int            erase_size;     /* erase size in sectors */
         unsigned int            erase_shift;    /* if erase unit is power 2 */
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index aed5bc7245f7..cd10208d9a06 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -239,8 +239,13 @@ struct mmc_host {
         unsigned int            caps2;          /* More host capabilities */
 
 #define MMC_CAP2_BOOTPART_NOACC (1 << 0)        /* Boot partition no access */
+#define MMC_CAP2_POWEROFF_NOTIFY (1 << 2)       /* Notify poweroff supported */
 
         mmc_pm_flag_t           pm_caps;        /* supported pm features */
+        unsigned int        power_notify_type;
+#define MMC_HOST_PW_NOTIFY_NONE         0
+#define MMC_HOST_PW_NOTIFY_SHORT        1
+#define MMC_HOST_PW_NOTIFY_LONG         2
 
 #ifdef CONFIG_MMC_CLKGATE
         int                     clk_requests;   /* internal reference counter */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index cd63c2dc95cc..02e9e3de9609 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -270,6 +270,7 @@ struct _mmc_csd {
  * EXT_CSD fields
  */
 
+#define EXT_CSD_POWER_OFF_NOTIFICATION  34      /* R/W */
 #define EXT_CSD_GP_SIZE_MULT            143     /* R/W */
 #define EXT_CSD_PARTITION_ATTRIBUTE     156     /* R/W */
 #define EXT_CSD_PARTITION_SUPPORT       160     /* RO */
@@ -346,6 +347,11 @@ struct _mmc_csd {
 #define EXT_CSD_RST_N_EN_MASK   0x3
 #define EXT_CSD_RST_N_ENABLED   1       /* RST_n is enabled on card */
 
+#define EXT_CSD_NO_POWER_NOTIFICATION   0
+#define EXT_CSD_POWER_ON                1
+#define EXT_CSD_POWER_OFF_SHORT         2
+#define EXT_CSD_POWER_OFF_LONG          3
+
 #define EXT_CSD_PWR_CL_8BIT_MASK        0xF0    /* 8 bit PWR CLS */
 #define EXT_CSD_PWR_CL_4BIT_MASK        0x0F    /* 8 bit PWR CLS */
 #define EXT_CSD_PWR_CL_8BIT_SHIFT       4