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authorChristoph Hellwig <hch@lst.de>2018-05-03 17:25:08 +0300
committerChristoph Hellwig <hch@lst.de>2018-05-03 17:25:08 +0300
commit3d6ce86ee79465e1b1b6e287f8ea26b553fc768e (patch)
tree5305a5ffefc514d485ae634e9d53b3e601fafbd3 /drivers/base/platform.c
parent07397df29e57cde5799af16e8f148ae10ed75285 (diff)
downloadlinux-3d6ce86ee79465e1b1b6e287f8ea26b553fc768e.tar.xz
drivers: remove force dma flag from buses
With each bus implementing its own DMA configuration callback, there is no need for bus to explicitly set the force_dma flag. Modify the of_dma_configure function to accept an input parameter which specifies if implicit DMA configuration is required when it is not described by the firmware. Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> # PCI parts Reviewed-by: Rob Herring <robh@kernel.org> [hch: tweaked the changelog a bit] Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/base/platform.c')
-rw-r--r--drivers/base/platform.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 638d42e93772..c0ff1e73a634 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -1136,7 +1136,7 @@ int platform_dma_configure(struct device *dev)
int ret = 0;
if (dev->of_node) {
- ret = of_dma_configure(dev, dev->of_node);
+ ret = of_dma_configure(dev, dev->of_node, true);
} else if (has_acpi_companion(dev)) {
attr = acpi_get_dma_attr(to_acpi_device_node(dev->fwnode));
if (attr != DEV_DMA_NOT_SUPPORTED)
@@ -1159,7 +1159,6 @@ struct bus_type platform_bus_type = {
.uevent = platform_uevent,
.dma_configure = platform_dma_configure,
.pm = &platform_dev_pm_ops,
- .force_dma = true,
};
EXPORT_SYMBOL_GPL(platform_bus_type);