diff options
| author | Rob Herring (Arm) <robh@kernel.org> | 2025-07-03 13:34:47 -0500 |
|---|---|---|
| committer | Rob Herring (Arm) <robh@kernel.org> | 2025-08-13 17:12:45 -0500 |
| commit | ed07a76be7baa0bb164b152116486e4d9fed50dc (patch) | |
| tree | dc68ffe905b4fe188bc31434577d96ed214fd8f3 | |
| parent | 6b12afac75fc3dbe735c05716cf99a965927a8fa (diff) | |
drm/simpledrm: Use of_reserved_mem_region_to_resource() for "memory-region"
Use the newly added of_reserved_mem_region_to_resource() function to
handle "memory-region" properties.
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://lore.kernel.org/r/20250703183447.2073902-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/sysfb/simpledrm.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/gpu/drm/sysfb/simpledrm.c b/drivers/gpu/drm/sysfb/simpledrm.c index 8530a3ef8a7a..0358164a623c 100644 --- a/drivers/gpu/drm/sysfb/simpledrm.c +++ b/drivers/gpu/drm/sysfb/simpledrm.c @@ -4,7 +4,7 @@ #include <linux/clk.h> #include <linux/of_clk.h> #include <linux/minmax.h> -#include <linux/of_address.h> +#include <linux/of_reserved_mem.h> #include <linux/platform_data/simplefb.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> @@ -179,22 +179,17 @@ simplefb_get_format_of(struct drm_device *dev, struct device_node *of_node) static struct resource * simplefb_get_memory_of(struct drm_device *dev, struct device_node *of_node) { - struct device_node *np; - struct resource *res; + struct resource r, *res; int err; - np = of_parse_phandle(of_node, "memory-region", 0); - if (!np) + err = of_reserved_mem_region_to_resource(of_node, 0, &r); + if (err) return NULL; - res = devm_kzalloc(dev->dev, sizeof(*res), GFP_KERNEL); + res = devm_kmemdup(dev->dev, &r, sizeof(r), GFP_KERNEL); if (!res) return ERR_PTR(-ENOMEM); - err = of_address_to_resource(np, 0, res); - if (err) - return ERR_PTR(err); - if (of_property_present(of_node, "reg")) drm_warn(dev, "preferring \"memory-region\" over \"reg\" property\n"); |