From: Wolfram Sang Date: Tue, 26 Apr 2016 15:55:25 +0000 (+0200) Subject: mmc: tmio: simplify irq handler X-Git-Tag: v4.14-rc1~3263^2~33 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=958401266e5812619b04765bef23712a72badd55;p=platform%2Fkernel%2Flinux-rpi.git mmc: tmio: simplify irq handler Having just one irq handler again, let's include the 'card_status' function in the main handler which is way more readable. Drop a useless debug output while here. It should be a dev_dbg in case we ever need it again. Signed-off-by: Wolfram Sang Acked-by: Arnd Bergmann Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index 3bcfd92..5712b42 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -626,19 +626,6 @@ out: spin_unlock(&host->lock); } -static void tmio_mmc_card_irq_status(struct tmio_mmc_host *host, - int *ireg, int *status) -{ - *status = sd_ctrl_read32(host, CTL_STATUS); - *ireg = *status & TMIO_MASK_IRQ & ~host->sdcard_irq_mask; - - pr_debug_status(*status); - pr_debug_status(*ireg); - - /* Clear the status except the interrupt status */ - sd_ctrl_write32(host, CTL_STATUS, TMIO_MASK_IRQ); -} - static bool __tmio_mmc_card_detect_irq(struct tmio_mmc_host *host, int ireg, int status) { @@ -716,9 +703,15 @@ irqreturn_t tmio_mmc_irq(int irq, void *devid) struct tmio_mmc_host *host = devid; unsigned int ireg, status; - pr_debug("MMC IRQ begin\n"); + status = sd_ctrl_read32(host, CTL_STATUS); + ireg = status & TMIO_MASK_IRQ & ~host->sdcard_irq_mask; + + pr_debug_status(status); + pr_debug_status(ireg); + + /* Clear the status except the interrupt status */ + sd_ctrl_write32(host, CTL_STATUS, TMIO_MASK_IRQ); - tmio_mmc_card_irq_status(host, &ireg, &status); if (__tmio_mmc_card_detect_irq(host, ireg, status)) return IRQ_HANDLED; if (__tmio_mmc_sdcard_irq(host, ireg, status))