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mmc: fix low-end gpio-debounce detection failed dpm suspend

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This commit is contained in:
lintao
2014-09-22 15:09:28 +08:00
parent 0489b64db4
commit 67decff741
1 changed files with 11 additions and 2 deletions
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13
drivers/mmc/host/rk_sdmmc.c
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@@ -4091,8 +4091,17 @@ int dw_mci_suspend(struct dw_mci *host)
/*only for sdmmc controller*/
if (host->mmc->restrict_caps & RESTRICT_CARD_TYPE_SD) {
host->mmc->rescan_disable = 1;
if (cancel_delayed_work_sync(&host->mmc->detect))
wake_unlock(&host->mmc->detect_wake_lock);
if (!(cpu_is_rk312x() || cpu_is_rk3036())) {
if (cancel_delayed_work_sync(&host->mmc->detect))
wake_unlock(&host->mmc->detect_wake_lock);
} else {
/* we find dpm suspend timeout for mmc cancel this work sync way,
actually just workaround this for low end platform with
gpio-debounce detect method.
*/
if (cancel_delayed_work(&host->mmc->detect))
wake_unlock(&host->mmc->detect_wake_lock);
}
disable_irq(host->irq);
if (pinctrl_select_state(host->pinctrl, host->pins_idle) < 0)