diff options
author | Gary Zhang <b13634@freescale.com> | 2011-10-21 11:28:23 +0800 |
---|---|---|
committer | Jason Liu <r64343@freescale.com> | 2012-07-20 13:16:42 +0800 |
commit | c64381d0c36b79755c883ef590789546610a6bde (patch) | |
tree | e03843c90bac1bde65ff75ecfa7f1c9dd47276b8 /drivers/dma | |
parent | efaf4c81197f430ba5ff694780166801caf5730a (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, |