@@ -201,6 +201,9 @@ void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers)
if (c->power_saving)
mmc->slots[0].power_saving = 1;
+ if (c->no_off)
+ mmc->slots[0].no_off = 1;
+
/* NOTE: MMC slots should have a Vcc regulator set up.
* This may be from a TWL4030-family chip, another
* controllable regulator, or a fixed supply.
@@ -14,6 +14,7 @@ struct omap2_hsmmc_info {
bool cover_only; /* No card detect - just cover switch */
bool nonremovable; /* Nonremovable e.g. eMMC */
bool power_saving; /* Try to sleep or power off when possible */
+ bool no_off; /* power_saving and power is not to go off */
int gpio_cd; /* or -EINVAL */
int gpio_wp; /* or -EINVAL */
char *name; /* or NULL for default */
@@ -96,6 +96,9 @@ struct omap_mmc_platform_data {
/* Try to sleep or power off when possible */
unsigned power_saving:1;
+ /* If using power_saving and the MMC power is not to go off */
+ unsigned no_off:1;
+
int switch_pin; /* gpio (card detect) */
int gpio_wp; /* gpio (write protect) */
@@ -1656,6 +1656,9 @@ static int omap_hsmmc_disabled_to_sleep(struct omap_hsmmc_host *host)
dev_dbg(mmc_dev(host->mmc), "DISABLED -> %s\n",
host->dpm_state == CARDSLEEP ? "CARDSLEEP" : "REGSLEEP");
+ if (mmc_slot(host).no_off)
+ return 0;
+
if ((host->mmc->caps & MMC_CAP_NONREMOVABLE) ||
mmc_slot(host).card_detect ||
(mmc_slot(host).get_cover_state &&
@@ -1671,6 +1674,9 @@ static int omap_hsmmc_sleep_to_off(struct omap_hsmmc_host *host)
if (!mmc_try_claim_host(host->mmc))
return 0;
+ if (mmc_slot(host).no_off)
+ return 0;
+
if (!((host->mmc->caps & MMC_CAP_NONREMOVABLE) ||
mmc_slot(host).card_detect ||
(mmc_slot(host).get_cover_state &&