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>
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 82c8672..af44cad 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -620,13 +620,11 @@
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 @@
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 @@
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: