Am 15.07.2017 um 09:12 schrieb Arvind Yadav:
pci_device_id are not supposed to change at runtime. All functions
working with pci_device_id provided by <linux/pci.h> work with
const pci_device_id. So mark the non-const structs as const.
File size before:
text data bss dec hex filename
6560 23212 72 29844 7494 gpu/drm/radeon/radeon_drv.o
File size After adding 'const':
text data bss dec hex filename
28960 812 72 29844 7494 gpu/drm/radeon/radeon_drv.o
Signed-off-by: Arvind Yadav <arvind.yadav...@gmail.com>
Impressive result for such a simple change.
Patch is Reviewed-by: Christian König <christian.koe...@amd.com>
Are the PCI IDs already const in amdgpu or do we need a similar patch
there as well? I only see patch 1 of 5 in my inbox.
Christian.
---
drivers/gpu/drm/radeon/radeon_drv.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c
b/drivers/gpu/drm/radeon/radeon_drv.c
index e25cb51..b079937 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -298,7 +298,7 @@ module_param_named(uvd, radeon_uvd, int, 0444);
MODULE_PARM_DESC(vce, "vce enable/disable vce support (1 = enable, 0 =
disable)");
module_param_named(vce, radeon_vce, int, 0444);
-static struct pci_device_id pciidlist[] = {
+static const struct pci_device_id pciidlist[] = {
radeon_PCI_IDS
};
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