提交 7c3b8b3d 编写于 作者: P Peter Ujfalusi 提交者: Vinod Koul

dmaengine: edma: Move the pending error check into helper function

In the ccerr interrupt handler the code checks for pending errors in the
error status registers in two different places.
Move the check out to a helper function.
Signed-off-by: NPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: NVinod Koul <vinod.koul@intel.com>
上级 79ad2e38
......@@ -1626,6 +1626,16 @@ static void edma_error_handler(struct edma_chan *echan)
spin_unlock(&echan->vchan.lock);
}
static inline bool edma_error_pending(struct edma_cc *ecc)
{
if (edma_read_array(ecc, EDMA_EMR, 0) ||
edma_read_array(ecc, EDMA_EMR, 1) ||
edma_read(ecc, EDMA_QEMR) || edma_read(ecc, EDMA_CCERR))
return true;
return false;
}
/* eDMA error interrupt handler */
static irqreturn_t dma_ccerr_handler(int irq, void *data)
{
......@@ -1640,10 +1650,7 @@ static irqreturn_t dma_ccerr_handler(int irq, void *data)
dev_vdbg(ecc->dev, "dma_ccerr_handler\n");
if ((edma_read_array(ecc, EDMA_EMR, 0) == 0) &&
(edma_read_array(ecc, EDMA_EMR, 1) == 0) &&
(edma_read(ecc, EDMA_QEMR) == 0) &&
(edma_read(ecc, EDMA_CCERR) == 0))
if (!edma_error_pending(ecc))
return IRQ_NONE;
while (1) {
......@@ -1698,10 +1705,7 @@ static irqreturn_t dma_ccerr_handler(int irq, void *data)
}
}
}
if ((edma_read_array(ecc, EDMA_EMR, 0) == 0) &&
(edma_read_array(ecc, EDMA_EMR, 1) == 0) &&
(edma_read(ecc, EDMA_QEMR) == 0) &&
(edma_read(ecc, EDMA_CCERR) == 0))
if (!edma_error_pending(ecc))
break;
cnt++;
if (cnt > 10)
......
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