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of: amba: use of_dma_configure for AMBA devices 

Commit 591c1e ("of: configure the platform device dma parameters)
introduced a common mechanism to configure DMA from DT properties.
AMBA devices created from DT can take advantage of this, too.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Robin Murphy 2014-09-17 12:56:07 +01:00 committed by Catalin Marinas
parent 668ebd1068
commit c9d571bee9
1 changed files with 3 additions and 4 deletions
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7
drivers/of/platform.c
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@ -160,11 +160,10 @@ EXPORT_SYMBOL(of_device_alloc);
* can use Platform bus notifier and handle BUS_NOTIFY_ADD_DEVICE event
* to fix up DMA configuration.
*/
static void of_dma_configure(struct platform_device *pdev)
static void of_dma_configure(struct device *dev)
{
u64 dma_addr, paddr, size;
int ret;
struct device *dev = &pdev->dev;
/*
* Set default dma-mask to 32 bit. Drivers are expected to setup
@ -229,7 +228,7 @@ static struct platform_device *of_platform_device_create_pdata(
if (!dev)
goto err_clear_flag;
of_dma_configure(dev);
of_dma_configure(&dev->dev);
dev->dev.bus = &platform_bus_type;
dev->dev.platform_data = platform_data;
@ -291,7 +290,6 @@ static struct amba_device *of_amba_device_create(struct device_node *node,
}
/* setup generic device info */
dev->dev.coherent_dma_mask = ~0;
dev->dev.of_node = of_node_get(node);
dev->dev.parent = parent;
dev->dev.platform_data = platform_data;
@ -299,6 +297,7 @@ static struct amba_device *of_amba_device_create(struct device_node *node,
dev_set_name(&dev->dev, "%s", bus_id);
else
of_device_make_bus_id(&dev->dev);
of_dma_configure(&dev->dev);
/* Allow the HW Peripheral ID to be overridden */
prop = of_get_property(node, "arm,primecell-periphid", NULL);