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[-next] perf/marvell: cn10k Fix build error without CONFIG_OF

Message ID 20220309140617.33860-1-yuehaibing@huawei.com (mailing list archive)
State New, archived
Headers show
Series [-next] perf/marvell: cn10k Fix build error without CONFIG_OF | expand

Commit Message

Yue Haibing March 9, 2022, 2:06 p.m. UTC
drivers/perf/marvell_cn10k_ddr_pmu.c:723:21: error: ‘cn10k_ddr_pmu_of_match’ undeclared here (not in a function); did you mean ‘cn10k_ddr_pmu_driver’?
    	 .of_match_table = cn10k_ddr_pmu_of_match,
      	                   ^~~~~~~~~~~~~~~~~~~~~~

Use of_match_ptr() to fix this.

Fixes: 7cf83e222bce ("perf/marvell: CN10k DDR performance monitor support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 drivers/perf/marvell_cn10k_ddr_pmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Arnd Bergmann March 9, 2022, 2:11 p.m. UTC | #1
On Wed, Mar 9, 2022 at 3:06 PM YueHaibing <yuehaibing@huawei.com> wrote:
>
> drivers/perf/marvell_cn10k_ddr_pmu.c:723:21: error: ‘cn10k_ddr_pmu_of_match’ undeclared here (not in a function); did you mean ‘cn10k_ddr_pmu_driver’?
>          .of_match_table = cn10k_ddr_pmu_of_match,
>                            ^~~~~~~~~~~~~~~~~~~~~~
>
> Use of_match_ptr() to fix this.
>
> Fixes: 7cf83e222bce ("perf/marvell: CN10k DDR performance monitor support")
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>

It's generally better to remove the #ifdef around the match table
definition instead,
which improves readability, and has no downsides on the machines this actually
runs on, because CONFIG_OF is always enabled on arm64.

      Arnd
Yue Haibing March 10, 2022, 6:42 a.m. UTC | #2
On 2022/3/9 22:11, Arnd Bergmann wrote:
> On Wed, Mar 9, 2022 at 3:06 PM YueHaibing <yuehaibing@huawei.com> wrote:
>>
>> drivers/perf/marvell_cn10k_ddr_pmu.c:723:21: error: ‘cn10k_ddr_pmu_of_match’ undeclared here (not in a function); did you mean ‘cn10k_ddr_pmu_driver’?
>>          .of_match_table = cn10k_ddr_pmu_of_match,
>>                            ^~~~~~~~~~~~~~~~~~~~~~
>>
>> Use of_match_ptr() to fix this.
>>
>> Fixes: 7cf83e222bce ("perf/marvell: CN10k DDR performance monitor support")
>> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> 
> It's generally better to remove the #ifdef around the match table
> definition instead,
> which improves readability, and has no downsides on the machines this actually
> runs on, because CONFIG_OF is always enabled on arm64.

Ok, will do this in v2, thanks!
> 
>       Arnd
> .
>
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Patch

diff --git a/drivers/perf/marvell_cn10k_ddr_pmu.c b/drivers/perf/marvell_cn10k_ddr_pmu.c
index 7f3146e71f99..665b382a0ee3 100644
--- a/drivers/perf/marvell_cn10k_ddr_pmu.c
+++ b/drivers/perf/marvell_cn10k_ddr_pmu.c
@@ -720,7 +720,7 @@  MODULE_DEVICE_TABLE(of, cn10k_ddr_pmu_of_match);
 static struct platform_driver cn10k_ddr_pmu_driver = {
 	.driver	= {
 		.name   = "cn10k-ddr-pmu",
-		.of_match_table = cn10k_ddr_pmu_of_match,
+		.of_match_table = of_match_ptr(cn10k_ddr_pmu_of_match),
 		.suppress_bind_attrs = true,
 	},
 	.probe		= cn10k_ddr_perf_probe,