From: Nicolas Pitre <nico@xxxxxxxxxxx> Some SDIO cards may suspend while keeping function interrupts active especially in the powered suspend case. Upon resume we need to kick the SDIO interrupt thread to check for pending interrupts and to restart card IRQ detection at the host controller level. Signed-off-by: Nicolas Pitre <nico@xxxxxxxxxxx> Cc: <linux-mmc@xxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/mmc/core/sdio.c | 2 ++ 1 file changed, 2 insertions(+) diff -puN drivers/mmc/core/sdio.c~sdio-kick-the-interrupt-thread-upon-a-resume drivers/mmc/core/sdio.c --- a/drivers/mmc/core/sdio.c~sdio-kick-the-interrupt-thread-upon-a-resume +++ a/drivers/mmc/core/sdio.c @@ -441,6 +441,8 @@ static int mmc_sdio_resume(struct mmc_ho mmc_claim_host(host); err = mmc_sdio_init_card(host, host->ocr, host->card, (host->pm_flags & MMC_PM_KEEP_POWER)); + if (!err && host->sdio_irqs) + mmc_signal_sdio_irq(host); mmc_release_host(host); /* _ -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
