lkml.org 
[lkml]   [2017]   [Jul]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/5] drm: radeon: constify pci_device_id.
From
Date
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.cs@gmail.com>

Impressive result for such a simple change.

Patch is Reviewed-by: Christian König <christian.koenig@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
> };
>


\
 
 \ /
  Last update: 2017-07-15 15:55    [W:3.088 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site