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| author | Richard Zhao <richard.zhao@linaro.org> | 2012-01-13 11:09:59 +0800 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@linux.intel.com> | 2012-01-31 09:03:16 +0530 |
| commit | c2c744d3aa48f845626131176772bae2a3c9d5bc (patch) | |
| tree | 91d026175e01deac9c1fda8e311835ecf2048075 /drivers/dma/imx-sdma.c | |
| parent | 3bb5e7caf9641b6a532a55cf3a3621ef814f57ee (diff) | |
| download | linux-c2c744d3aa48f845626131176772bae2a3c9d5bc.tar.gz linux-c2c744d3aa48f845626131176772bae2a3c9d5bc.tar.bz2 linux-c2c744d3aa48f845626131176772bae2a3c9d5bc.zip | |
dma/imx-sdma: move clk_enable out of sdma_request_channel
It makes clk_enable/disable pair more readable, and fix one bug:
sdma_init calls sdma_request_channel, but seems don't know
sdma_request_channel enabled the clock.
Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
[fixed typo in commit log]
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/imx-sdma.c')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 17a9d46bba15..1e0e516b481f 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -802,8 +802,6 @@ static int sdma_request_channel(struct sdma_channel *sdmac) sdma->channel_control[channel].base_bd_ptr = sdmac->bd_phys; sdma->channel_control[channel].current_bd_ptr = sdmac->bd_phys; - clk_enable(sdma->clk); - sdma_set_channel_priority(sdmac, MXC_SDMA_DEFAULT_PRIORITY); init_completion(&sdmac->done); @@ -873,6 +871,9 @@ static int sdma_alloc_chan_resources(struct dma_chan *chan) sdmac->peripheral_type = data->peripheral_type; sdmac->event_id0 = data->dma_request; + + clk_enable(sdmac->sdma->clk); + ret = sdma_request_channel(sdmac); if (ret) return ret; |