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| author | Marc Pignat <marc.pignat@hevs.ch> | 2007-07-16 11:07:02 +0200 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2007-07-20 18:51:30 +0200 |
| commit | 63b66438860f246f25f5563cde4978cf255cb810 (patch) | |
| tree | 5a295e77c5264a1790f76da41ec8d1acb8bf0d50 /drivers/mmc | |
| parent | 81764fa9a472dd72b93385f30f718ed4f98ec129 (diff) | |
| download | lwn-63b66438860f246f25f5563cde4978cf255cb810.tar.gz lwn-63b66438860f246f25f5563cde4978cf255cb810.zip | |
mmc: at91_mci: wakeup on card insertion (or removal)
This piece of code enable the system to be wake-up by a card insertion or removal.
Signed-off-by: Marc Pignat <marc.pignat@hevs.ch>
Signed-off-by: Nicolas Ferre <nicolas.ferre@rfo.atmel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/at91_mci.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c index 28c881895ab7..15aab374127e 100644 --- a/drivers/mmc/host/at91_mci.c +++ b/drivers/mmc/host/at91_mci.c @@ -903,8 +903,10 @@ static int __init at91_mci_probe(struct platform_device *pdev) /* * Add host to MMC layer */ - if (host->board->det_pin) + if (host->board->det_pin) { host->present = !at91_get_gpio_value(host->board->det_pin); + device_init_wakeup(&pdev->dev, 1); + } else host->present = -1; @@ -940,6 +942,7 @@ static int __exit at91_mci_remove(struct platform_device *pdev) host = mmc_priv(mmc); if (host->present != -1) { + device_init_wakeup(&pdev->dev, 0); free_irq(host->board->det_pin, host); cancel_delayed_work(&host->mmc->detect); } @@ -966,8 +969,12 @@ static int __exit at91_mci_remove(struct platform_device *pdev) static int at91_mci_suspend(struct platform_device *pdev, pm_message_t state) { struct mmc_host *mmc = platform_get_drvdata(pdev); + struct at91mci_host *host = mmc_priv(mmc); int ret = 0; + if (device_may_wakeup(&pdev->dev)) + enable_irq_wake(host->board->det_pin); + if (mmc) ret = mmc_suspend_host(mmc, state); @@ -977,8 +984,12 @@ static int at91_mci_suspend(struct platform_device *pdev, pm_message_t state) static int at91_mci_resume(struct platform_device *pdev) { struct mmc_host *mmc = platform_get_drvdata(pdev); + struct at91mci_host *host = mmc_priv(mmc); int ret = 0; + if (device_may_wakeup(&pdev->dev)) + disable_irq_wake(host->board->det_pin); + if (mmc) ret = mmc_resume_host(mmc); |