On Tue, 31 May 2011, Per Forlin wrote:
> Return error in case of pending IRQ but none functions bits
> in CCCR_INTx is set.
>
> Signed-off-by: Per Forlin <per.for...@linaro.org>
> ---
> drivers/mmc/core/sdio_irq.c | 5 +++++
> 1 files changed, 5 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c
> index 2f81ddc..8184b6e 100644
> --- a/drivers/mmc/core/sdio_irq.c
> +++ b/drivers/mmc/core/sdio_irq.c
> @@ -50,6 +50,11 @@ static int process_sdio_pending_irqs(struct mmc_card *card)
> return ret;
> }
>
> + if (!pending) {
> + printk(KERN_WARNING "%s: pending IRQ but none function bits\n",
> + mmc_card_id(card));
> + ret = -EINVAL;
> + }
Nope, this won't work with the polled interrupt mode.
Nicolas
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