The driver can match only via the DT table so the table should be always
used and the of_match_ptr does not have any sense (this also allows ACPI
matching via PRP0001, even though it might not be relevant here).

  drivers/devfreq/exynos-bus.c:504:34: error: ‘exynos_bus_of_match’ defined but not used [-Werror=unused-const-variable=]

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/devfreq/exynos-bus.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
index 027e8f336acc..f7c554051232 100644
--- a/drivers/devfreq/exynos-bus.c
+++ b/drivers/devfreq/exynos-bus.c
@@ -513,7 +513,7 @@ static struct platform_driver exynos_bus_platdrv = {
 	.driver = {
 		.name	= "exynos-bus",
 		.pm	= &exynos_bus_pm,
-		.of_match_table = of_match_ptr(exynos_bus_of_match),
+		.of_match_table = exynos_bus_of_match,
 	},
 };
 module_platform_driver(exynos_bus_platdrv);
-- 
2.34.1

On 23. 3. 12. 02:37, Krzysztof Kozlowski wrote:
> The driver can match only via the DT table so the table should be always
> used and the of_match_ptr does not have any sense (this also allows ACPI
> matching via PRP0001, even though it might not be relevant here).
> 
>   drivers/devfreq/exynos-bus.c:504:34: error: ‘exynos_bus_of_match’ defined but not used [-Werror=unused-const-variable=]
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>  drivers/devfreq/exynos-bus.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c
> index 027e8f336acc..f7c554051232 100644
> --- a/drivers/devfreq/exynos-bus.c
> +++ b/drivers/devfreq/exynos-bus.c
> @@ -513,7 +513,7 @@ static struct platform_driver exynos_bus_platdrv = {
>  	.driver = {
>  		.name	= "exynos-bus",
>  		.pm	= &exynos_bus_pm,
> -		.of_match_table = of_match_ptr(exynos_bus_of_match),
> +		.of_match_table = exynos_bus_of_match,
>  	},
>  };
>  module_platform_driver(exynos_bus_platdrv);

Applied it with 'PM / ' prefix to keep the consistent title style.
- PM / devfreq: exyos-bus: drop of_match_ptr for ID table

-- 
Best Regards,
Samsung Electronics
Chanwoo Choi