From: Dan Carpenter <error27@xxxxxxxxx>
We should unlock before returning here.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/musb/cppi_dma.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index de55a3c..6385eeb 100644
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -1167,8 +1167,11 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id)
tx = musb_readl(tibase, DAVINCI_TXCPPI_MASKED_REG);
rx = musb_readl(tibase, DAVINCI_RXCPPI_MASKED_REG);
- if (!tx && !rx)
+ if (!tx && !rx) {
+ if (cppi->irq)
+ spin_unlock_irqrestore(&musb->lock, flags);
return IRQ_NONE;
+ }
DBG(4, "CPPI IRQ Tx%x Rx%x\n", tx, rx);
--
1.7.4.2
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