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[04/10] mmc: tmio: clear error IRQ status

Message ID 878unmhs81.wl%kuninori.morimoto.gx@renesas.com (mailing list archive)
State New, archived
Headers show

Commit Message

Kuninori Morimoto July 22, 2014, 5:34 a.m. UTC 
From: Shinobu Uehara <shinobu.uehara.xc@renesas.com>

Next card access will be always
error if it didn't clear error status

Signed-off-by: Shinobu Uehara <shinobu.uehara.xc@renesas.com>
---
 drivers/mmc/host/tmio_mmc_pio.c |    3 +++
 1 file changed, 3 insertions(+)
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Patch

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,