| commit | ef298c21c0d9c06ed89ea2fa724c3a018acfff39 | |
| author | Lothar Waßmann <LW@KARO-electronics.de> | |
| Mon, 8 Aug 2011 12:47:47 +0000 (8 14:47 +0200) | ||
| committer | Vinod Koul <vinod.koul@intel.com> | |
| Tue, 16 Aug 2011 13:03:42 +0000 (16 18:33 +0530) | ||
| tree | 1b43a0b45cc2d5cb863bea0ea9e8e1271ffd378f | treesnapshot (tar.gz zip) |
| parent | a16e470caa173d323ef68dcac98c899b95fa4f84 | commitdiff |
mxs-dma: enable CLKGATE before accessing registers
After calling mxs_dma_disable_chan() for a channel, that channel
becomes unusable because some controller registers can only be written
when the clock is enabled via CLKGATE.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
After calling mxs_dma_disable_chan() for a channel, that channel
becomes unusable because some controller registers can only be written
when the clock is enabled via CLKGATE.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
| drivers/dma/mxs-dma.c | diffblobblamehistory |