diff options
| author | Sakari Ailus | 2022-03-31 15:54:47 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki | 2022-04-05 15:30:47 +0200 |
| commit | 8c756a0a2de17f1535ef885ac7e556e016735eb2 (patch) | |
| tree | 3ad80ce7e9c6bcb7ed5adf30a1ad8124c6e1989b /drivers/of | |
| parent | 3123109284176b1532874591f7c81f3837bbdc17 (diff) | |
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')
| -rw-r--r-- | drivers/of/property.c | 17 |
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, |