[PATCH v2 04/15] dmaengine: Pass no_wakeup parameter via device_prep_dma_cyclic() callback
Shawn Guo
shawn.guo at linaro.org
Mon Sep 17 02:34:53 EDT 2012
On Thu, Sep 13, 2012 at 04:37:54PM +0300, Peter Ujfalusi wrote:
> Change the parameter list of device_prep_dma_cyclic() so the DMA drivers
> can receive the no_wakeup request coming from client drivers.
> This feature can be used during audio operation to disable all audio
> related interrupts.
>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi at ti.com>
> CC: Nicolas Ferre <nicolas.ferre at atmel.com>
> CC: Barry Song <baohua.song at csr.com>
> CC: Srinidhi Kasagar <srinidhi.kasagar at stericsson.com>
> CC: Russell King - ARM Linux <linux at arm.linux.org.uk>
> CC: Vista Silicon <javier.martin at vista-silicon.com>
> CC: Zhangfei Gao <zhangfei.gao at marvell.com>
> CC: Shawn Guo <shawn.guo at linaro.org>
> CC: Laxman Dewangan <ldewangan at nvidia.com>
> ---
> drivers/dma/at_hdmac.c | 3 ++-
> drivers/dma/ep93xx_dma.c | 4 +++-
> drivers/dma/imx-dma.c | 2 +-
> drivers/dma/imx-sdma.c | 2 +-
> drivers/dma/mmp_tdma.c | 2 +-
> drivers/dma/mxs-dma.c | 2 +-
> drivers/dma/omap-dma.c | 3 ++-
> drivers/dma/pl330.c | 2 +-
> drivers/dma/sa11x0-dma.c | 2 +-
> drivers/dma/sirf-dma.c | 2 +-
> drivers/dma/ste_dma40.c | 3 ++-
> drivers/dma/tegra20-apb-dma.c | 2 +-
> include/linux/dmaengine.h | 5 +++--
> 13 files changed, 20 insertions(+), 14 deletions(-)
>
API changes without updating users?
Regards,
Shawn
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