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.

Signed-off-by: Arushi Singhal <arushisinghal19971...@gmail.com>
---
 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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