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Date:   Fri, 20 Nov 2020 17:43:26 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc:     Alex Deucher <alexander.deucher@....com>,
        Christian K├Ânig <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        linux-hardening@...r.kernel.org,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 005/141] drm/radeon: Fix fall-through warnings for Clang

On Fri, Nov 20, 2020 at 1:24 PM Gustavo A. R. Silva
<gustavoars@...nel.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@...nel.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@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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