Messages in this thread Patch in this message | | | From | Nipun Gupta <> | Subject | [PATCH 5/6] dma-mapping: support fsl-mc bus | Date | Mon, 5 Mar 2018 19:59:25 +0530 |
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Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com> --- drivers/base/dma-mapping.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c index 3b11835..2279c4d 100644 --- a/drivers/base/dma-mapping.c +++ b/drivers/base/dma-mapping.c @@ -334,6 +334,7 @@ void dma_common_free_remap(void *cpu_addr, size_t size, unsigned long vm_flags) * Common configuration to enable DMA API use for a device */ #include <linux/pci.h> +#include <linux/fsl/mc.h> int dma_configure(struct device *dev) { @@ -349,6 +350,12 @@ int dma_configure(struct device *dev) dma_dev = dma_dev->parent; } + if (dev_is_fsl_mc(dev)) { + dma_dev = dev; + while (dev_is_fsl_mc(dma_dev)) + dma_dev = dma_dev->parent; + } + if (dma_dev->of_node) { ret = of_dma_configure(dev, dma_dev->of_node); } else if (has_acpi_companion(dma_dev)) { -- 1.9.1
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