On 27 March 2018 at 19:11, Arushi Singhal
<arushisinghal19971997@xxxxxxxxx> wrote:
> It's better to use "list_for_each_entry_from_reverse" for iterating list
> than "for loop" as it makes the code more clear to read.
> This patch replace "for loop" with "list_for_each_entry_from_reverse"
> and remove "cstate" variable as it is redundant in the code.
I would prefer to also see "start" renamed to "cstate" with this change.
Ben.
>
> Signed-off-by: Arushi Singhal <arushisinghal19971997@xxxxxxxxx>
> ---
> drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c
> index 81c3567..5e56f74 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/clk/base.c
> @@ -113,7 +113,6 @@ nvkm_cstate_find_best(struct nvkm_clk *clk, struct nvkm_pstate *pstate,
> {
> struct nvkm_device *device = clk->subdev.device;
> struct nvkm_volt *volt = device->volt;
> - struct nvkm_cstate *cstate;
> int max_volt;
>
> if (!pstate || !start)
> @@ -133,13 +132,12 @@ nvkm_cstate_find_best(struct nvkm_clk *clk, struct nvkm_pstate *pstate,
> max_volt = min(max_volt,
> nvkm_volt_map(volt, volt->max2_id, clk->temp));
>
> - for (cstate = start; &cstate->head != &pstate->list;
> - cstate = list_prev_entry(cstate, head)) {
> - if (nvkm_cstate_valid(clk, cstate, max_volt, clk->temp))
> + list_for_each_entry_from_reverse(start, &pstate->list, head) {
> + if (nvkm_cstate_valid(clk, start, max_volt, clk->temp))
> break;
> }
>
> - return cstate;
> + return start;
> }
>
> static struct nvkm_cstate *
> --
> 2.7.4
>
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