diff options
| author | Venkatraman S <[email protected]> | 2010-08-10 18:01:54 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2010-08-11 08:59:04 -0700 |
| commit | f3584e5e6fd7abda4ef4a7aec9acd9d46387b8ab (patch) | |
| tree | 9d56c5f9434e999ab361ad50499b0987211f4c38 | |
| parent | 762333e344144283a9da97a34b5dded51ff61b27 (diff) | |
omap hsmmc: fix processing of all dma interrupts as block completion
If other informative interrupts are enabled for the DMA channel used by
hsmmc, those are incorrectly treated as block completion. This patch lets
only the block completion interrupt to be processed.
Signed-off-by: Venkatraman S <[email protected]>
Acked-by: Madhusudhan Chikkature <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | drivers/mmc/host/omap_hsmmc.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index ee1a3093048e..dc57ef6aef4f 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1273,8 +1273,11 @@ static void omap_hsmmc_dma_cb(int lch, u16 ch_status, void *cb_data) struct mmc_data *data = host->mrq->data; int dma_ch, req_in_progress; - if (ch_status & OMAP2_DMA_MISALIGNED_ERR_IRQ) - dev_dbg(mmc_dev(host->mmc), "MISALIGNED_ADRS_ERR\n"); + if (!(ch_status & OMAP_DMA_BLOCK_IRQ)) { + dev_warn(mmc_dev(host->mmc), "unexpected dma status %x\n", + ch_status); + return; + } spin_lock(&host->irq_lock); if (host->dma_ch < 0) { |