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authorChristoph Hellwig <hch@lst.de>2018-05-03 16:25:08 +0200
committerChristoph Hellwig <hch@lst.de>2018-05-03 16:25:08 +0200
commit3d6ce86ee79465e1b1b6e287f8ea26b553fc768e (patch)
tree5305a5ffefc514d485ae634e9d53b3e601fafbd3 /drivers/gpu/host1x
parent07397df29e57cde5799af16e8f148ae10ed75285 (diff)
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/gpu/host1x')
-rw-r--r--drivers/gpu/host1x/bus.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c
index 0c79bafae96c..815bdb42e3f0 100644
--- a/drivers/gpu/host1x/bus.c
+++ b/drivers/gpu/host1x/bus.c
@@ -316,7 +316,7 @@ static int host1x_device_match(struct device *dev, struct device_driver *drv)
static int host1x_dma_configure(struct device *dev)
{
- return of_dma_configure(dev, dev->of_node);
+ return of_dma_configure(dev, dev->of_node, true);
}
static const struct dev_pm_ops host1x_device_pm_ops = {
@@ -333,7 +333,6 @@ struct bus_type host1x_bus_type = {
.match = host1x_device_match,
.dma_configure = host1x_dma_configure,
.pm = &host1x_device_pm_ops,
- .force_dma = true,
};
static void __host1x_device_del(struct host1x_device *device)
@@ -422,7 +421,7 @@ static int host1x_device_add(struct host1x *host1x,
device->dev.bus = &host1x_bus_type;
device->dev.parent = host1x->dev;
- of_dma_configure(&device->dev, host1x->dev->of_node);
+ of_dma_configure(&device->dev, host1x->dev->of_node, true);
err = host1x_device_parse_dt(device, driver);
if (err < 0) {