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Commit 63b66438 authored by Marc Pignat's avatar Marc Pignat Committed by Pierre Ossman
Browse files

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: default avatarMarc Pignat <marc.pignat@hevs.ch>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@rfo.atmel.com>
Signed-off-by: default avatarPierre Ossman <drzeus@drzeus.cx>
parent 81764fa9

drivers/mmc/host/at91_mci.c

+12 −1
Original line number Diff line number Diff line
@@ -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);