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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2015-01-13 20:08:14 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2015-02-05 09:39:44 +0300 |
| commit | d8ded50f8b26a224df48f9f93e49440c6a39b77f (patch) | |
| tree | 7c7620107180b0a2c3ea77770ef8fb9bccfa8341 /drivers/dma/dw/platform.c | |
| parent | cfd8fef322305bbe9955817464f0d2054ce545c0 (diff) | |
| download | linux-d8ded50f8b26a224df48f9f93e49440c6a39b77f.tar.xz | |
dmaengine: dw: define DW_DMA_MAX_NR_MASTERS
Instead of using magic number in the code the patch provides
DW_DMA_MAX_NR_MASTERS constant.
While here, restrict the reading of data width array by amount of the actual
number of AHB masters.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/dw/platform.c')
| -rw-r--r-- | drivers/dma/dw/platform.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c index a630161473a4..aaff37f53523 100644 --- a/drivers/dma/dw/platform.c +++ b/drivers/dma/dw/platform.c @@ -99,7 +99,7 @@ dw_dma_parse_dt(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct dw_dma_platform_data *pdata; - u32 tmp, arr[4]; + u32 tmp, arr[DW_DMA_MAX_NR_MASTERS]; if (!np) { dev_err(&pdev->dev, "Missing DT data\n"); @@ -126,7 +126,7 @@ dw_dma_parse_dt(struct platform_device *pdev) pdata->block_size = tmp; if (!of_property_read_u32(np, "dma-masters", &tmp)) { - if (tmp > 4) + if (tmp > DW_DMA_MAX_NR_MASTERS) return NULL; pdata->nr_masters = tmp; |