Messages in this thread Patch in this message | | | Date | Mon, 30 Jun 2008 22:40:28 +0100 | From | ben@fluff ... | Subject | [patch v5 05/16] MMC: Fix S3C24XX IRQ enable during PIO transfers |
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From: Roman Moracik <roman.moravcik@gmail.com>
Fix Bug #677 - I/O errors on heavy microSD writes for 2.6.22.x.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Index: linux-2.6.26-rc8-next20080627/drivers/mmc/host/s3cmci.c =================================================================== --- linux-2.6.26-rc8-next20080627.orig/drivers/mmc/host/s3cmci.c 2008-06-30 12:19:15.000000000 +0100 +++ linux-2.6.26-rc8-next20080627/drivers/mmc/host/s3cmci.c 2008-06-30 12:19:16.000000000 +0100 @@ -335,6 +335,8 @@ static void pio_tasklet(unsigned long da 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 da 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; -- Ben (ben@fluff.org, http://www.fluff.org/)
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