diff options
author | Dan Carpenter <error27@gmail.com> | 2011-03-20 14:14:36 +0300 |
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committer | Felipe Balbi <balbi@ti.com> | 2011-04-13 11:50:58 +0300 |
commit | ec63bf6c06b01ceeb6048a2b9fa9e73060259307 (patch) | |
tree | 0372673198318c8133093aa37ab971da88d01b54 /drivers/usb/musb | |
parent | 8726606424738ca0341e1bb93ebac956d80f6d29 (diff) | |
download | linux-ec63bf6c06b01ceeb6048a2b9fa9e73060259307.tar.bz2 |
USB: musb: add missing unlock in cppi_interrupt()
We should unlock before returning here.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb')
-rw-r--r-- | 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 de55a3c3259a..6385eeb44a07 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); |