diff mbox series

[005/141] drm/radeon: Fix fall-through warnings for Clang

Message ID 4737ca598d8548f06e5cae6333c0e100b74ffa65.1605896059.git.gustavoars@kernel.org (mailing list archive)
State New, archived
Headers show
Series Fix fall-through warnings for Clang | expand

Commit Message

Gustavo A. R. Silva Nov. 20, 2020, 6:24 p.m. UTC
In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple fallthrough pseudo-keyword macros,
as replacement for /* fall through */ comments.

Notice that Clang doesn't recognize /* fall through */ comments as
implicit fall-through markings.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
---
 drivers/gpu/drm/radeon/ci_dpm.c | 2 +-
 drivers/gpu/drm/radeon/r300.c   | 1 +
 drivers/gpu/drm/radeon/si_dpm.c | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

Comments

Alex Deucher Nov. 20, 2020, 10:43 p.m. UTC | #1
On Fri, Nov 20, 2020 at 1:24 PM Gustavo A. R. Silva
<gustavoars@kernel.org> wrote:
>
> In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
> warnings by explicitly adding multiple fallthrough pseudo-keyword macros,
> as replacement for /* fall through */ comments.
>
> Notice that Clang doesn't recognize /* fall through */ comments as
> implicit fall-through markings.
>
> Link: https://github.com/KSPP/linux/issues/115
> Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/radeon/ci_dpm.c | 2 +-
>  drivers/gpu/drm/radeon/r300.c   | 1 +
>  drivers/gpu/drm/radeon/si_dpm.c | 2 +-
>  3 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
> index 886e9959496f..3d0a2e81b2de 100644
> --- a/drivers/gpu/drm/radeon/ci_dpm.c
> +++ b/drivers/gpu/drm/radeon/ci_dpm.c
> @@ -4860,8 +4860,8 @@ static void ci_request_link_speed_change_before_state_change(struct radeon_devic
>                 case RADEON_PCIE_GEN2:
>                         if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, false) == 0)
>                                 break;
> +                       fallthrough;
>  #endif
> -                       /* fall through */
>                 default:
>                         pi->force_pcie_gen = ci_get_current_pcie_speed(rdev);
>                         break;
> diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
> index 73f67bf222e1..213dc49b6322 100644
> --- a/drivers/gpu/drm/radeon/r300.c
> +++ b/drivers/gpu/drm/radeon/r300.c
> @@ -1162,6 +1162,7 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
>                 /* valid register only on RV530 */
>                 if (p->rdev->family == CHIP_RV530)
>                         break;
> +               fallthrough;
>                 /* fallthrough do not move */
>         default:
>                 goto fail;
> diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
> index d1c73e9db889..d19c08e0ad5a 100644
> --- a/drivers/gpu/drm/radeon/si_dpm.c
> +++ b/drivers/gpu/drm/radeon/si_dpm.c
> @@ -5748,8 +5748,8 @@ static void si_request_link_speed_change_before_state_change(struct radeon_devic
>                 case RADEON_PCIE_GEN2:
>                         if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, false) == 0)
>                                 break;
> +                       fallthrough;
>  #endif
> -                       /* fall through */
>                 default:
>                         si_pi->force_pcie_gen = si_get_current_pcie_speed(rdev);
>                         break;
> --
> 2.27.0
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
diff mbox series

Patch

diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 886e9959496f..3d0a2e81b2de 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -4860,8 +4860,8 @@  static void ci_request_link_speed_change_before_state_change(struct radeon_devic
 		case RADEON_PCIE_GEN2:
 			if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, false) == 0)
 				break;
+			fallthrough;
 #endif
-			/* fall through */
 		default:
 			pi->force_pcie_gen = ci_get_current_pcie_speed(rdev);
 			break;
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 73f67bf222e1..213dc49b6322 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -1162,6 +1162,7 @@  static int r300_packet0_check(struct radeon_cs_parser *p,
 		/* valid register only on RV530 */
 		if (p->rdev->family == CHIP_RV530)
 			break;
+		fallthrough;
 		/* fallthrough do not move */
 	default:
 		goto fail;
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index d1c73e9db889..d19c08e0ad5a 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -5748,8 +5748,8 @@  static void si_request_link_speed_change_before_state_change(struct radeon_devic
 		case RADEON_PCIE_GEN2:
 			if (radeon_acpi_pcie_performance_request(rdev, PCIE_PERF_REQ_PECI_GEN2, false) == 0)
 				break;
+			fallthrough;
 #endif
-			/* fall through */
 		default:
 			si_pi->force_pcie_gen = si_get_current_pcie_speed(rdev);
 			break;