diff options
| author | Gary Zhang <b13634@freescale.com> | 2011-10-21 11:28:23 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-01-09 21:02:37 +0800 |
| commit | 81e514b765750984fab81b1c023a37e06c0da337 (patch) | |
| tree | 0c0ace353fbff21bf3ec1303bac183f0c99db4e9 /drivers/dma | |
| parent | 830c3a482a822743efbae8e5d01ba53f2bb2d024 (diff) | |
ENGR00160512 SDMA: close clock when not used
When SDMA is not used, close SDMA clock.
Signed-off-by: Gary Zhang <b13634@freescale.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/imx-sdma.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 34dd96a2f371..7dd48b11ee4c 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -833,11 +833,11 @@ static int sdma_alloc_chan_resources(struct dma_chan *chan) sdmac->peripheral_type = data->peripheral_type; sdmac->event_id0 = data->dma_request; - ret = sdma_set_channel_priority(sdmac, prio); + ret = sdma_request_channel(sdmac); if (ret) return ret; - ret = sdma_request_channel(sdmac); + ret = sdma_set_channel_priority(sdmac, prio); if (ret) return ret; @@ -1142,7 +1142,6 @@ static int __init sdma_get_firmware(struct sdma_engine *sdma, addr = (void *)header + header->script_addrs_start; ram_code = (void *)header + header->ram_code_start; - clk_enable(sdma->clk); /* download the RAM image for SDMA */ sdma_load_script(sdma, ram_code, header->ram_code_size, |