On Tue, 3 May 2011, Per Forlin wrote: > From: Stefan Nilsson XK <[email protected]> > > If there is only 1 function registered, and IRQ:s are supported and > currently enabled, call the callback handler directly > without checking the CCCR registers. > > Signed-off-by: Stefan Nilsson XK <[email protected]> > Signed-off-by: Per Forlin <[email protected]>
Acked-by: Nicolas Pitre <[email protected]> > --- > drivers/mmc/core/sdio_irq.c | 14 ++++++++++++++ > 1 files changed, 14 insertions(+), 0 deletions(-) > > diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c > index b300161..25291bf 100644 > --- a/drivers/mmc/core/sdio_irq.c > +++ b/drivers/mmc/core/sdio_irq.c > @@ -32,6 +32,20 @@ static int process_sdio_pending_irqs(struct mmc_card *card) > int i, ret, count; > unsigned char pending; > > + /* > + * If there is only 1 function registered > + * call irq directly without checking the CCCR registers. > + */ > + if ((card->host->caps & MMC_CAP_SDIO_IRQ) && > + card->host->sdio_irqs && (card->sdio_funcs == 1)) > + for (i = 0; i < SDIO_MAX_FUNCS; i++) { > + struct sdio_func *func = card->sdio_func[i]; > + if (func && func->irq_handler) { > + func->irq_handler(func); > + return 1; > + } > + } > + > ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_INTx, 0, &pending); > if (ret) { > printk(KERN_DEBUG "%s: error %d reading SDIO_CCCR_INTx\n", > -- > 1.7.4.1 > > > _______________________________________________ > linaro-dev mailing list > [email protected] > http://lists.linaro.org/mailman/listinfo/linaro-dev > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
