On Tue, Sep 15, 2015 at 12:11:33AM +0000, Kuninori Morimoto wrote: > > Hi Laurent > > > When freeing channel resources we need to ensure that no IRQ will occur > > for the given channel. In order to do so the driver stops the hardware, > > but an IRQ handler could still be running, especially given that the > > channel IRQ is threaded. Fix it by waiting for pending IRQs completion > > with synchronize_irq() > > > > Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> > > --- > > drivers/dma/sh/rcar-dmac.c | 37 +++++++++++++++++++------------------ > > 1 file changed, 19 insertions(+), 18 deletions(-) > > > > Hi Morimoto-san, > > > > This patch is compile-tested only. Would you be able to check if it fixes the > > issue you've reported with SDHI and rcar-dmac ? > > Thanks. I will ask to BSP team Patch looks okay, but if we get this confirmation it would be great. -- ~Vinod -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
