Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d643b5...
Commit: d643b5f7e0793ef7828a35a5ea049d675ad2ad8c
Parent: bdbc9c3a8f7a7956611c970e262693faa95081a5
Author: Roman Moracik <roman.moravcik@gmail.com>
AuthorDate: Mon Jun 30 22:40:28 2008 +0100
Committer: Pierre Ossman <drzeus@drzeus.cx>
CommitDate: Tue Jul 15 14:14:47 2008 +0200
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>
---
drivers/mmc/host/s3cmci.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
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 @@ 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;
--
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