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[35.199.25.115]) by smtp.gmail.com with ESMTPSA id b11-20020a05620a04eb00b0078725d0345dsm2672669qkh.2.2024.02.26.09.32.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Feb 2024 09:32:50 -0800 (PST) From: Ricardo Ribalda Date: Mon, 26 Feb 2024 17:32:45 +0000 Subject: [PATCH v2 2/3] media: usb: pvrusb2: Fix Wcast-function-type-strict warnings MIME-Version: 1.0 Message-Id: <20240226-fix-clang-warnings-v2-2-fa1bc931d17e@chromium.org> References: <20240226-fix-clang-warnings-v2-0-fa1bc931d17e@chromium.org> In-Reply-To: <20240226-fix-clang-warnings-v2-0-fa1bc931d17e@chromium.org> To: Mauro Carvalho Chehab , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt , Mike Isely , Tiffany Lin , Andrew-CT Chen , Yunfei Dong , Matthias Brugger , AngeloGioacchino Del Regno , Bjorn Andersson , Mathieu Poirier Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-remoteproc@vger.kernel.org, Ricardo Ribalda X-Mailer: b4 0.12.4 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240226_093251_965055_543EFFD9 X-CRM114-Status: GOOD ( 12.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Building with LLVM=1 throws the following warning: drivers/media/usb/pvrusb2/pvrusb2-context.c:110:6: warning: cast from 'void (*)(struct pvr2_context *)' to 'void (*)(void *)' converts to incompatible function type [-Wcast-function-type-strict] drivers/media/usb/pvrusb2/pvrusb2-v4l2.c:1070:30: warning: cast from 'void (*)(struct pvr2_v4l2_fh *)' to 'pvr2_stream_callback' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict] drivers/media/usb/pvrusb2/pvrusb2-dvb.c:152:6: warning: cast from 'void (*)(struct pvr2_dvb_adapter *)' to 'pvr2_stream_callback' (aka 'void (*)(void *)') converts to incompatible function type [-Wcast-function-type-strict] Reviewed-by: Nathan Chancellor Signed-off-by: Ricardo Ribalda --- drivers/media/usb/pvrusb2/pvrusb2-context.c | 5 +++-- drivers/media/usb/pvrusb2/pvrusb2-dvb.c | 7 ++++--- drivers/media/usb/pvrusb2/pvrusb2-v4l2.c | 7 ++++--- 3 files changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/media/usb/pvrusb2/pvrusb2-context.c b/drivers/media/usb/pvrusb2/pvrusb2-context.c index 1764674de98bc..16edabda191c4 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-context.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-context.c @@ -90,8 +90,9 @@ static void pvr2_context_destroy(struct pvr2_context *mp) } -static void pvr2_context_notify(struct pvr2_context *mp) +static void pvr2_context_notify(void *data) { + struct pvr2_context *mp = data; pvr2_context_set_notify(mp,!0); } @@ -107,7 +108,7 @@ static void pvr2_context_check(struct pvr2_context *mp) "pvr2_context %p (initialize)", mp); /* Finish hardware initialization */ if (pvr2_hdw_initialize(mp->hdw, - (void (*)(void *))pvr2_context_notify, + pvr2_context_notify, mp)) { mp->video_stream.stream = pvr2_hdw_get_video_stream(mp->hdw); diff --git a/drivers/media/usb/pvrusb2/pvrusb2-dvb.c b/drivers/media/usb/pvrusb2/pvrusb2-dvb.c index 26811efe0fb58..8b9f1a09bd53d 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-dvb.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-dvb.c @@ -88,8 +88,9 @@ static int pvr2_dvb_feed_thread(void *data) return stat; } -static void pvr2_dvb_notify(struct pvr2_dvb_adapter *adap) +static void pvr2_dvb_notify(void *data) { + struct pvr2_dvb_adapter *adap = data; wake_up(&adap->buffer_wait_data); } @@ -148,8 +149,8 @@ static int pvr2_dvb_stream_do_start(struct pvr2_dvb_adapter *adap) if (!(adap->buffer_storage[idx])) return -ENOMEM; } - pvr2_stream_set_callback(pvr->video_stream.stream, - (pvr2_stream_callback) pvr2_dvb_notify, adap); + pvr2_stream_set_callback(pvr->video_stream.stream, pvr2_dvb_notify, + adap); ret = pvr2_stream_set_buffer_count(stream, PVR2_DVB_BUFFER_COUNT); if (ret < 0) return ret; diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c index c04ab7258d645..590f80949bbfc 100644 --- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c +++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c @@ -1032,9 +1032,10 @@ static int pvr2_v4l2_open(struct file *file) return 0; } - -static void pvr2_v4l2_notify(struct pvr2_v4l2_fh *fhp) +static void pvr2_v4l2_notify(void *data) { + struct pvr2_v4l2_fh *fhp = data; + wake_up(&fhp->wait_data); } @@ -1067,7 +1068,7 @@ static int pvr2_v4l2_iosetup(struct pvr2_v4l2_fh *fh) hdw = fh->channel.mc_head->hdw; sp = fh->pdi->stream->stream; - pvr2_stream_set_callback(sp,(pvr2_stream_callback)pvr2_v4l2_notify,fh); + pvr2_stream_set_callback(sp, pvr2_v4l2_notify, fh); pvr2_hdw_set_stream_type(hdw,fh->pdi->config); if ((ret = pvr2_hdw_set_streaming(hdw,!0)) < 0) return ret; return pvr2_ioread_set_enabled(fh->rhp,!0);