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| author | David Woodhouse <David.Woodhouse@intel.com> | 2010-02-26 19:04:15 +0000 |
|---|---|---|
| committer | David Woodhouse <David.Woodhouse@intel.com> | 2010-02-26 19:06:24 +0000 |
| commit | a7790532f5b7358c33a6b1834dc2b318de209f31 (patch) | |
| tree | 0ceb9e24b3f54cb5c8453fb5a218e2a94a0f1cce /drivers/usb/musb/cppi_dma.c | |
| parent | 2764fb4244cc1bc08df3667924ca4a972e90ac70 (diff) | |
| parent | 60b341b778cc2929df16c0a504c91621b3c6a4ad (diff) | |
| download | talos-op-linux-a7790532f5b7358c33a6b1834dc2b318de209f31.tar.gz talos-op-linux-a7790532f5b7358c33a6b1834dc2b318de209f31.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
The SmartMedia FTL code depends on new kfifo bits from 2.6.33
Diffstat (limited to 'drivers/usb/musb/cppi_dma.c')
| -rw-r--r-- | drivers/usb/musb/cppi_dma.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index ef2332a9941d..a44a450c860d 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -1154,8 +1154,11 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id) struct musb_hw_ep *hw_ep = NULL; u32 rx, tx; int i, index; + unsigned long flags; cppi = container_of(musb->dma_controller, struct cppi, controller); + if (cppi->irq) + spin_lock_irqsave(&musb->lock, flags); tibase = musb->ctrl_base; @@ -1285,6 +1288,9 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id) /* write to CPPI EOI register to re-enable interrupts */ musb_writel(tibase, DAVINCI_CPPI_EOI_REG, 0); + if (cppi->irq) + spin_unlock_irqrestore(&musb->lock, flags); + return IRQ_HANDLED; } |
