diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 17:55:21 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 17:55:21 -0700 |
| commit | bbb20089a3275a19e475dbc21320c3742e3ca423 (patch) | |
| tree | 216fdc1cbef450ca688135c5b8969169482d9a48 /arch/arm/plat-omap/mcbsp.c | |
| parent | 3e48e656903e9fd8bc805c6a2c4264d7808d315b (diff) | |
| parent | 657a77fa7284d8ae28dfa48f1dc5d919bf5b2843 (diff) | |
Merge branch 'dmaengine' into async-tx-next
Conflicts:
crypto/async_tx/async_xor.c
drivers/dma/ioat/dma_v2.h
drivers/dma/ioat/pci.c
drivers/md/raid5.c
Diffstat (limited to 'arch/arm/plat-omap/mcbsp.c')
| -rw-r--r-- | arch/arm/plat-omap/mcbsp.c | 30 |
1 files changed, 24 insertions, 6 deletions
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index 28b0a824b8cf..efa0e0111f38 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -91,11 +91,20 @@ static void omap_mcbsp_dump_reg(u8 id) static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id) { struct omap_mcbsp *mcbsp_tx = dev_id; + u16 irqst_spcr2; - dev_dbg(mcbsp_tx->dev, "TX IRQ callback : 0x%x\n", - OMAP_MCBSP_READ(mcbsp_tx->io_base, SPCR2)); + irqst_spcr2 = OMAP_MCBSP_READ(mcbsp_tx->io_base, SPCR2); + dev_dbg(mcbsp_tx->dev, "TX IRQ callback : 0x%x\n", irqst_spcr2); - complete(&mcbsp_tx->tx_irq_completion); + if (irqst_spcr2 & XSYNC_ERR) { + dev_err(mcbsp_tx->dev, "TX Frame Sync Error! : 0x%x\n", + irqst_spcr2); + /* Writing zero to XSYNC_ERR clears the IRQ */ + OMAP_MCBSP_WRITE(mcbsp_tx->io_base, SPCR2, + irqst_spcr2 & ~(XSYNC_ERR)); + } else { + complete(&mcbsp_tx->tx_irq_completion); + } return IRQ_HANDLED; } @@ -103,11 +112,20 @@ static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id) static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id) { struct omap_mcbsp *mcbsp_rx = dev_id; + u16 irqst_spcr1; - dev_dbg(mcbsp_rx->dev, "RX IRQ callback : 0x%x\n", - OMAP_MCBSP_READ(mcbsp_rx->io_base, SPCR2)); + irqst_spcr1 = OMAP_MCBSP_READ(mcbsp_rx->io_base, SPCR1); + dev_dbg(mcbsp_rx->dev, "RX IRQ callback : 0x%x\n", irqst_spcr1); - complete(&mcbsp_rx->rx_irq_completion); + if (irqst_spcr1 & RSYNC_ERR) { + dev_err(mcbsp_rx->dev, "RX Frame Sync Error! : 0x%x\n", + irqst_spcr1); + /* Writing zero to RSYNC_ERR clears the IRQ */ + OMAP_MCBSP_WRITE(mcbsp_rx->io_base, SPCR1, + irqst_spcr1 & ~(RSYNC_ERR)); + } else { + complete(&mcbsp_rx->tx_irq_completion); + } return IRQ_HANDLED; } |