From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kuninori Morimoto Date: Mon, 25 Aug 2014 02:59:22 +0000 Subject: [PATCH 2/9 v3] mmc: tmio: clear error IRQ status Message-Id: <878umdtgu0.wl%kuninori.morimoto.gx@gmail.com> List-Id: References: <87simtenpi.wl%kuninori.morimoto.gx@renesas.com> <87pphxe2q0.wl%kuninori.morimoto.gx@renesas.com> <53AD638C.5060907@renesas.com> <87egxehsec.wl%kuninori.morimoto.gx@gmail.com> <87bnr9tgwj.wl%kuninori.morimoto.gx@gmail.com> In-Reply-To: <87bnr9tgwj.wl%kuninori.morimoto.gx@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Simon , Chris Ball , Ulf Hansson Cc: Ian Molton , Morimoto , Magnus , Linux-SH , linux-mmc@vger.kernel.org From: Shinobu Uehara Next card access will be always error if it didn't clear error status Tested-by: Nguyen Xuan Nui Tested-by: Hiep Cao Minh Signed-off-by: Shinobu Uehara Signed-off-by: Kuninori Morimoto --- v2 -> v3 - no change drivers/mmc/host/tmio_mmc_pio.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index faf0924..c3b1b4e 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -557,6 +557,9 @@ static void tmio_mmc_card_irq_status(struct tmio_mmc_host *host, 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, -- 1.7.9.5