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SubjectRe: [PATCH -next v2] drm/amdgpu: return 'ret' in amdgpu_pmu_init
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On 2019/6/23 2:13, Joe Perches wrote:
> On Sat, 2019-06-22 at 21:05 +0800, Mao Wenan wrote:
>> There is one warning:
>> drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c: In function ‘amdgpu_pmu_init’:
>> drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c:249:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
>> int ret = 0;
> []
>> v1->v2: change the subject for this patch; change the indenting when it calls init_pmu_by_type; use the value 'ret' in
>> amdgpu_pmu_init().
> []
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pmu.c
> []
>> @@ -252,8 +252,8 @@ int amdgpu_pmu_init(struct amdgpu_device *adev)
>> case CHIP_VEGA20:
>> /* init df */
>> ret = init_pmu_by_type(adev, df_v3_6_attr_groups,
>> - "DF", "amdgpu_df", PERF_TYPE_AMDGPU_DF,
>> - DF_V3_6_MAX_COUNTERS);
>> + "DF", "amdgpu_df", PERF_TYPE_AMDGPU_DF,
>> + DF_V3_6_MAX_COUNTERS);
>
> trivia:
>
> The indentation change seems superfluous and
> appears to make the code harder to read.
>
> You could also cc Jonathan Kim who wrote all of this.
I think this is just display issue in mail format. It is correct that in vi/vim.
The arguments are line up with '(' after my change.


@@ -252,8 +252,8 @@ int amdgpu_pmu_init(struct amdgpu_device *adev)$
^Icase CHIP_VEGA20:$
^I^I/* init df */$
^I^Iret = init_pmu_by_type(adev, df_v3_6_attr_groups,$
-^I^I^I^I "DF", "amdgpu_df", PERF_TYPE_AMDGPU_DF,$
-^I^I^I^I DF_V3_6_MAX_COUNTERS);$
+^I^I^I^I^I^I^I "DF", "amdgpu_df", PERF_TYPE_AMDGPU_DF,$
+^I^I^I^I^I^I^I DF_V3_6_MAX_COUNTERS);$
$
^I^I/* other pmu types go here*/$
^I^Ibreak;$





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