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authorWolfgang Muees <wolfgang.mues@auerswald.de>2010-03-05 13:43:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-06 11:26:39 -0800
commita04ac5b9b45a7adec7d3ee3968e677b6e4b98f25 (patch)
tree3c3b316825b2896fe616c0791e41cc42b6d4a44f
parent0b3520f2df8e4e5dad6a7b2743d037bf06c22024 (diff)
downloadop-kernel-dev-a04ac5b9b45a7adec7d3ee3968e677b6e4b98f25.zip
op-kernel-dev-a04ac5b9b45a7adec7d3ee3968e677b6e4b98f25.tar.gz
mmc: at91_mci: fix timeout errors
Fix two timeout errors, one for slow SDHC cards and one for slow users while inserting SD cards. Signed-off-by: Wolfgang Muees <wolfgang.mues@auerswald.de> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Andrew Victor <avictor.za@gmail.com> Cc: <linux-mmc@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/mmc/host/at91_mci.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 4e1b2e6..37efe6b 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -756,7 +756,8 @@ static void at91_mci_request(struct mmc_host *mmc, struct mmc_request *mrq)
host->request = mrq;
host->flags = 0;
- mod_timer(&host->timer, jiffies + HZ);
+ /* more than 1s timeout needed with slow SD cards */
+ mod_timer(&host->timer, jiffies + msecs_to_jiffies(2000));
at91_mci_process_next(host);
}
@@ -944,7 +945,8 @@ static irqreturn_t at91_mmc_det_irq(int irq, void *_host)
pr_debug("****** Resetting SD-card bus width ******\n");
at91_mci_write(host, AT91_MCI_SDCR, at91_mci_read(host, AT91_MCI_SDCR) & ~AT91_MCI_SDCBUS);
}
- mmc_detect_change(host->mmc, msecs_to_jiffies(100));
+ /* 0.5s needed because of early card detect switch firing */
+ mmc_detect_change(host->mmc, msecs_to_jiffies(500));
}
return IRQ_HANDLED;
}
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