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authorRoman Moracik <roman.moravcik@gmail.com>2008-06-30 22:40:28 +0100
committerPierre Ossman <drzeus@drzeus.cx>2008-07-15 14:14:47 +0200
commitd643b5f7e0793ef7828a35a5ea049d675ad2ad8c (patch)
tree7614a54010082800e97807834ef035f748a6f5f2 /drivers/mmc/host
parentbdbc9c3a8f7a7956611c970e262693faa95081a5 (diff)
MMC: Fix S3C24XX IRQ enable during PIO transfers
Fix Bug #677 - I/O errors on heavy microSD writes for 2.6.22.x. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Diffstat (limited to 'drivers/mmc/host')
-rw-r--r--drivers/mmc/host/s3cmci.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 8c68b2e0dd6..774af3d7218 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -335,6 +335,8 @@ static void pio_tasklet(unsigned long data)
struct s3cmci_host *host = (struct s3cmci_host *) data;
+ disable_irq(host->irq);
+
if (host->pio_active == XFER_WRITE)
do_pio_write(host);
@@ -352,9 +354,9 @@ static void pio_tasklet(unsigned long data)
host->mrq->data->error = -EINVAL;
}
- disable_irq(host->irq);
finalize_request(host);
- }
+ } else
+ enable_irq(host->irq);
}
/*
@@ -630,7 +632,6 @@ out:
spin_unlock_irqrestore(&host->complete_lock, iflags);
return;
-
fail_request:
host->mrq->data->error = -EINVAL;
host->complete_what = COMPLETION_FINALIZE;