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i2c: sh_mobile: remove unneeded DMA mask

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We don't need the mask since we obtain the channels via DT.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2014-12-10 14:13:01 +01:00 committed by Wolfram Sang
parent de20d1857d
commit 6cf710d476
1 changed files with 0 additions and 3 deletions
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3
drivers/i2c/busses/i2c-sh_mobile.c
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@ -750,14 +750,11 @@ MODULE_DEVICE_TABLE(of, sh_mobile_i2c_dt_ids);
static int sh_mobile_i2c_request_dma_chan(struct device *dev, enum dma_transfer_direction dir,
dma_addr_t port_addr, struct dma_chan **chan_ptr)
{
dma_cap_mask_t mask;
struct dma_chan *chan;
struct dma_slave_config cfg;
char *chan_name = dir == DMA_MEM_TO_DEV ? "tx" : "rx";
int ret;
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
*chan_ptr = NULL;
chan = dma_request_slave_channel_reason(dev, chan_name);