| commit | 2ccaef0520d18d0072153f090d4110b4075c332c | [log] [tgz] |
|---|---|---|
| author | Richard Zhao <richard.zhao@freescale.com> | Fri May 11 15:14:27 2012 +0800 |
| committer | Vinod Koul <vinod.koul@linux.intel.com> | Fri May 11 14:00:38 2012 +0530 |
| tree | c4fcc9cbac1f7448263701ae5c5926f28351935c | |
| parent | 922ee08baad2052d0759f100e026d49798c51fef [diff] |
dma: imx-sdma: make channel0 operations atomic device_prep_dma_cyclic may be call in audio trigger function which is atomic context, so we make it atomic too. - change channel0 lock to spinlock. - Use polling to wait for channel0 finish running. Signed-off-by: Richard Zhao <richard.zhao@freescale.com> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>