dmaengine: dw: pass platform data via struct dw_dma_chip

We pass struct dw_dma_chip to dw_dma_probe() anyway, thus we may use it to
pass a platform data as well.

While here, constify the source of the platform data.

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Andy Shevchenko 2016-04-27 14:15:40 +03:00 committed by Vinod Koul
parent 161c3d04ae
commit 3a14c66d43
6 changed files with 17 additions and 11 deletions

View file

@ -27,6 +27,7 @@ struct dw_dma;
* @regs: memory mapped I/O space
* @clk: hclk clock
* @dw: struct dw_dma that is filed by dw_dma_probe()
* @pdata: pointer to platform data
*/
struct dw_dma_chip {
struct device *dev;
@ -34,10 +35,12 @@ struct dw_dma_chip {
void __iomem *regs;
struct clk *clk;
struct dw_dma *dw;
const struct dw_dma_platform_data *pdata;
};
/* Export to the platform drivers */
int dw_dma_probe(struct dw_dma_chip *chip, struct dw_dma_platform_data *pdata);
int dw_dma_probe(struct dw_dma_chip *chip);
int dw_dma_remove(struct dw_dma_chip *chip);
/* DMA API extensions */