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| author | Roman Moracik <roman.moravcik@gmail.com> | 2008-06-30 23:40:28 +0200 |
|---|---|---|
| committer | Pierre Ossman <drzeus@drzeus.cx> | 2008-07-15 14:14:47 +0200 |
| commit | d643b5f7e0793ef7828a35a5ea049d675ad2ad8c (patch) | |
| tree | 7614a54010082800e97807834ef035f748a6f5f2 /drivers/mmc/host/s3cmci.c | |
| parent | Fix the request finalisation by ensuring the controller (diff) | |
| download | linux-d643b5f7e0793ef7828a35a5ea049d675ad2ad8c.tar.xz linux-d643b5f7e0793ef7828a35a5ea049d675ad2ad8c.zip | |
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/s3cmci.c')
| -rw-r--r-- | 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 8c68b2e0dd6e..774af3d7218f 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; |