From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Date: Wed, 06 Apr 2016 09:25:32 +0000 Subject: [PATCH 4/6] mmc: tmio: simplify irq handler Message-Id: <1459934734-3613-5-git-send-email-wsa@the-dreams.de> List-Id: References: <1459934734-3613-1-git-send-email-wsa@the-dreams.de> In-Reply-To: <1459934734-3613-1-git-send-email-wsa@the-dreams.de> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-mmc@vger.kernel.org Cc: Wolfram Sang , linux-renesas-soc@vger.kernel.org, linux-sh@vger.kernel.org, Simon Horman , Kuninori Morimoto From: Wolfram Sang 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 --- drivers/mmc/host/tmio_mmc_pio.c | 23 ++++++++--------------- 1 file changed, 8 insertions(+), 15 deletions(-) diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index a7250a5fa670c5..879e0f5455ef44 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -632,19 +632,6 @@ 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) { @@ -722,9 +709,15 @@ 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)) -- 2.7.0