diff options
Diffstat (limited to 'drivers/mmc/core/core.c')
-rw-r--r-- | drivers/mmc/core/core.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 66121633c9cd..06c42cfb7c34 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1273,48 +1273,6 @@ void mmc_set_driver_type(struct mmc_host *host, unsigned int drv_type) mmc_host_clk_release(host); } -static void mmc_poweroff_notify(struct mmc_host *host) -{ - struct mmc_card *card; - unsigned int timeout; - unsigned int notify_type = EXT_CSD_NO_POWER_NOTIFICATION; - int err = 0; - - card = host->card; - mmc_claim_host(host); - - /* - * Send power notify command only if card - * is mmc and notify state is powered ON - */ - if (card && mmc_card_mmc(card) && - (card->poweroff_notify_state == MMC_POWERED_ON)) { - - if (host->power_notify_type == MMC_HOST_PW_NOTIFY_SHORT) { - notify_type = EXT_CSD_POWER_OFF_SHORT; - timeout = card->ext_csd.generic_cmd6_time; - card->poweroff_notify_state = MMC_POWEROFF_SHORT; - } else { - notify_type = EXT_CSD_POWER_OFF_LONG; - timeout = card->ext_csd.power_off_longtime; - card->poweroff_notify_state = MMC_POWEROFF_LONG; - } - - err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, - EXT_CSD_POWER_OFF_NOTIFICATION, - notify_type, timeout); - - if (err && err != -EBADMSG) - pr_err("Device failed to respond within %d poweroff " - "time. Forcefully powering down the device\n", - timeout); - - /* Set the card state to no notification after the poweroff */ - card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION; - } - mmc_release_host(host); -} - /* * Apply power to the MMC stack. This is a two-stage process. * First, we enable power to the card without the clock running. @@ -1377,8 +1335,6 @@ static void mmc_power_up(struct mmc_host *host) void mmc_power_off(struct mmc_host *host) { - int err = 0; - if (host->ios.power_mode == MMC_POWER_OFF) return; @@ -1387,22 +1343,6 @@ void mmc_power_off(struct mmc_host *host) host->ios.clock = 0; host->ios.vdd = 0; - /* - * For eMMC 4.5 device send AWAKE command before - * POWER_OFF_NOTIFY command, because in sleep state - * eMMC 4.5 devices respond to only RESET and AWAKE cmd - */ - if (host->card && mmc_card_is_sleep(host->card) && - host->bus_ops->resume) { - err = host->bus_ops->resume(host); - - if (!err) - mmc_poweroff_notify(host); - else - pr_warning("%s: error %d during resume " - "(continue with poweroff sequence)\n", - mmc_hostname(host), err); - } /* * Reset ocr mask to be the highest possible voltage supported for @@ -2579,7 +2519,6 @@ int mmc_pm_notify(struct notifier_block *notify_block, spin_lock_irqsave(&host->lock, flags); host->rescan_disable = 1; - host->power_notify_type = MMC_HOST_PW_NOTIFY_SHORT; spin_unlock_irqrestore(&host->lock, flags); cancel_delayed_work_sync(&host->detect); @@ -2603,7 +2542,6 @@ int mmc_pm_notify(struct notifier_block *notify_block, spin_lock_irqsave(&host->lock, flags); host->rescan_disable = 0; - host->power_notify_type = MMC_HOST_PW_NOTIFY_LONG; spin_unlock_irqrestore(&host->lock, flags); mmc_detect_change(host, 0); |