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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2013-02-14 11:00:19 +0200
committerVinod Koul <vinod.koul@intel.com>2013-02-14 20:00:53 +0530
commit373459eee0cd79f775ef9874395bb37638154777 (patch)
tree850b828d96f39bf3f04ee4a05a540b0438c18060 /drivers/dma
parent9b562639a1dbef847dfc9daa807bd3e7e02ef24f (diff)
downloadblackbird-op-linux-373459eee0cd79f775ef9874395bb37638154777.tar.gz
blackbird-op-linux-373459eee0cd79f775ef9874395bb37638154777.zip
edma: do not waste memory for dma_mask
Accordingly to commentary in the platform_device_register_full the memory allocated for dma_mask will not going to be freed. That's why is better to assign dma_mask afterwards. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/edma.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 82c8672f26e8..af44cadb8de1 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -620,13 +620,11 @@ static struct platform_device *pdev0, *pdev1;
static const struct platform_device_info edma_dev_info0 = {
.name = "edma-dma-engine",
.id = 0,
- .dma_mask = DMA_BIT_MASK(32),
};
static const struct platform_device_info edma_dev_info1 = {
.name = "edma-dma-engine",
.id = 1,
- .dma_mask = DMA_BIT_MASK(32),
};
static int edma_init(void)
@@ -640,6 +638,8 @@ static int edma_init(void)
ret = PTR_ERR(pdev0);
goto out;
}
+ pdev0->dev.dma_mask = &pdev0->dev.coherent_dma_mask;
+ pdev0->dev.coherent_dma_mask = DMA_BIT_MASK(32);
}
if (EDMA_CTLRS == 2) {
@@ -649,6 +649,8 @@ static int edma_init(void)
platform_device_unregister(pdev0);
ret = PTR_ERR(pdev1);
}
+ pdev1->dev.dma_mask = &pdev1->dev.coherent_dma_mask;
+ pdev1->dev.coherent_dma_mask = DMA_BIT_MASK(32);
}
out:
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