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authorSakari Ailus <sakari.ailus@linux.intel.com>2022-03-31 15:54:47 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2022-04-05 16:30:47 +0300
commit8c756a0a2de17f1535ef885ac7e556e016735eb2 (patch)
tree3ad80ce7e9c6bcb7ed5adf30a1ad8124c6e1989b /drivers/of/property.c
parent3123109284176b1532874591f7c81f3837bbdc17 (diff)
downloadlinux-8c756a0a2de17f1535ef885ac7e556e016735eb2.tar.xz
device property: Convert device_{dma_supported,get_dma_attr} to fwnode
Make the device_dma_supported and device_get_dma_attr functions to use the fwnode ops, and move the implementation to ACPI and OF frameworks. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/of/property.c')
-rw-r--r--drivers/of/property.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/of/property.c b/drivers/of/property.c
index 8e90071de6ed..676899566f7c 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -22,6 +22,7 @@
#define pr_fmt(fmt) "OF: " fmt
#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/of_irq.h>
@@ -872,6 +873,20 @@ static bool of_fwnode_device_is_available(const struct fwnode_handle *fwnode)
return of_device_is_available(to_of_node(fwnode));
}
+static bool of_fwnode_device_dma_supported(const struct fwnode_handle *fwnode)
+{
+ return true;
+}
+
+static enum dev_dma_attr
+of_fwnode_device_get_dma_attr(const struct fwnode_handle *fwnode)
+{
+ if (of_dma_is_coherent(to_of_node(fwnode)))
+ return DEV_DMA_COHERENT;
+ else
+ return DEV_DMA_NON_COHERENT;
+}
+
static bool of_fwnode_property_present(const struct fwnode_handle *fwnode,
const char *propname)
{
@@ -1472,6 +1487,8 @@ const struct fwnode_operations of_fwnode_ops = {
.put = of_fwnode_put,
.device_is_available = of_fwnode_device_is_available,
.device_get_match_data = of_fwnode_device_get_match_data,
+ .device_dma_supported = of_fwnode_device_dma_supported,
+ .device_get_dma_attr = of_fwnode_device_get_dma_attr,
.property_present = of_fwnode_property_present,
.property_read_int_array = of_fwnode_property_read_int_array,
.property_read_string_array = of_fwnode_property_read_string_array,