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[24.205.208.113]) by smtp.gmail.com with ESMTPSA id az17-20020a05620a171100b00680af0db559sm6776261qkb.127.2022.04.04.08.43.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 04 Apr 2022 08:43:53 -0700 (PDT) Subject: Re: [PATCH] drm/amd/display: cleanup extern usage in function definition To: Harry Wentland , sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, alexander.deucher@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@linux.ie, daniel@ffwll.ch, wenjing.liu@amd.com, waynelin@amd.com, Anson.Jacob@amd.com, Yu-ting.Shen@amd.com, keescook@chromium.org, nicholas.kazlauskas@amd.com Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20220403142137.2234322-1-trix@redhat.com> <513a5993-2cc5-54fa-2d6c-f4162d76ab0e@amd.com> From: Tom Rix Message-ID: <462e2f2a-0cc8-2e2e-93b6-504cc12aa768@redhat.com> Date: Mon, 4 Apr 2022 08:43:50 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <513a5993-2cc5-54fa-2d6c-f4162d76ab0e@amd.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,NICE_REPLY_A,RDNS_NONE,SPF_HELO_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/4/22 8:22 AM, Harry Wentland wrote: > > On 2022-04-03 10:21, Tom Rix wrote: >> Smatch reports this issue >> hdcp1_execution.c:500:29: warning: function >> 'mod_hdcp_hdcp1_dp_execution' with external linkage >> has definition >> > Which branch are you using? linux-next from 4/1 Tom > > I don't see the 'extern' on > https://gitlab.freedesktop.org/agd5f/linux/-/blob/amd-staging-drm-next/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c > > Harry > > >> The storage-class-specifier extern is not needed in a >> definition, so remove it. >> >> Signed-off-by: Tom Rix >> --- >> drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c | 6 +++--- >> 1 file changed, 3 insertions(+), 3 deletions(-) >> >> diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c >> index 6ec918af3bff..1ddb4f5eac8e 100644 >> --- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c >> +++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp1_execution.c >> @@ -497,9 +497,9 @@ enum mod_hdcp_status mod_hdcp_hdcp1_execution(struct mod_hdcp *hdcp, >> return status; >> } >> >> -extern enum mod_hdcp_status mod_hdcp_hdcp1_dp_execution(struct mod_hdcp *hdcp, >> - struct mod_hdcp_event_context *event_ctx, >> - struct mod_hdcp_transition_input_hdcp1 *input) >> +enum mod_hdcp_status mod_hdcp_hdcp1_dp_execution(struct mod_hdcp *hdcp, >> + struct mod_hdcp_event_context *event_ctx, >> + struct mod_hdcp_transition_input_hdcp1 *input) >> { >> enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS; >>