dmaengine: ipu: Make sure the interrupt routine checks all interrupts.
authorMagnus Lilja <lilja.magnus@gmail.com>
Wed, 21 Dec 2016 21:13:58 +0000 (22:13 +0100)
committerVinod Koul <vinod.koul@intel.com>
Mon, 2 Jan 2017 05:18:44 +0000 (10:48 +0530)
Commit 3d8cc00073d6 ("dmaengine: ipu: Consolidate duplicated irq handlers")
consolidated the two interrupts routines into one, but the remaining
interrupt routine only checks the status of the error interrupts, not the
normal interrupts.

This patch fixes that problem (tested on i.MX31 PDK board).

Fixes: 3d8cc00073d6 ("dmaengine: ipu: Consolidate duplicated irq handlers")
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: <stable@vger.kernel.org> # 4.1.x
Signed-off-by: Magnus Lilja <lilja.magnus@gmail.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/ipu/ipu_irq.c

index dd184b5..2846278 100644 (file)
@@ -272,7 +272,7 @@ static void ipu_irq_handler(struct irq_desc *desc)
        u32 status;
        int i, line;
 
-       for (i = IPU_IRQ_NR_FN_BANKS; i < IPU_IRQ_NR_BANKS; i++) {
+       for (i = 0; i < IPU_IRQ_NR_BANKS; i++) {
                struct ipu_irq_bank *bank = irq_bank + i;
 
                raw_spin_lock(&bank_lock);