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]> CC: Madhusudhan Chikkature <[email protected]> CC: Andrew Morton <[email protected]> --- Changes since v1: better commit log message 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 b032828..d2901f8 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) { -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
