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>
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index 8c68b2e..774af3d 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -335,6 +335,8 @@
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 @@
host->mrq->data->error = -EINVAL;
}
- disable_irq(host->irq);
finalize_request(host);
- }
+ } else
+ enable_irq(host->irq);
}
/*
@@ -630,7 +632,6 @@
spin_unlock_irqrestore(&host->complete_lock, iflags);
return;
-
fail_request:
host->mrq->data->error = -EINVAL;
host->complete_what = COMPLETION_FINALIZE;