Re: [PATCH] usb: musb: move to threaded IRQ

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Hello.

On 12-08-2011 13:38, Felipe Balbi wrote:

this allows us to stop exporting the musb_interrupt
handler while also following the main idea of having
threaded IRQs: top half should only check if interrupt
comes from this device.
Signed-off-by: Felipe Balbi<balbi@xxxxxx>
---
  drivers/usb/musb/am35x.c     |    2 +-
  drivers/usb/musb/musb_core.c |   14 ++++++++++----
  drivers/usb/musb/musb_core.h |    2 --
  3 files changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/usb/musb/am35x.c b/drivers/usb/musb/am35x.c
index 08f1d0b6..3080400 100644
--- a/drivers/usb/musb/am35x.c
+++ b/drivers/usb/musb/am35x.c
@@ -310,7 +310,7 @@ static irqreturn_t am35x_musb_interrupt(int irq, void *hci)
  	}

  	if (musb->int_tx || musb->int_rx || musb->int_usb)
-		ret |= musb_interrupt(musb);
+		ret = IRQ_WAKE_THREAD;

  eoi:
  	/* EOI needs to be written for the IRQ to be re-asserted. */
   I thought musb_interrupt() is also referenced in blackfin.c, da8xx.c, 
davinci.c and tusb6010.c...
WBR, Sergei
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