On Tue, 3 May 2011, Per Forlin wrote:
From: Stefan Nilsson XK stefan.xk.nilsson@stericsson.com
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 stefan.xk.nilsson@stericsson.com Signed-off-by: Per Forlin per.forlin@linaro.org
Acked-by: Nicolas Pitre nicolas.pitre@linaro.org
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
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