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[35.199.25.115]) by smtp.gmail.com with ESMTPSA id b11-20020a05620a04eb00b0078725d0345dsm2672669qkh.2.2024.02.26.09.32.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Feb 2024 09:32:51 -0800 (PST) From: Ricardo Ribalda Date: Mon, 26 Feb 2024 17:32:46 +0000 Subject: [PATCH v2 3/3] media: mediatek: vcodedc: Fix Wcast-function-type-strict warnings Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240226-fix-clang-warnings-v2-3-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-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1791983751660873748 X-GMAIL-MSGID: 1791983751660873748 Building with LLVM=1 throws the following warning: drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c:38:32: warning: cast from 'mtk_vcodec_ipi_handler' (aka 'void (*)(void *, unsigned int, void *)') to 'ipi_handler_t' (aka 'void (*)(const void *, unsigned int, void *)') converts to incompatible function type [-Wcast-function-type-strict] Constify the types to avoid the warning. Signed-off-by: Ricardo Ribalda --- drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.c | 12 ++++++------ .../media/platform/mediatek/vcodec/common/mtk_vcodec_fw.h | 2 +- .../platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c | 10 +--------- drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c | 2 +- drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c | 2 +- drivers/remoteproc/mtk_scp.c | 4 ++-- include/linux/remoteproc/mtk_scp.h | 2 +- include/linux/rpmsg/mtk_rpmsg.h | 2 +- 8 files changed, 14 insertions(+), 22 deletions(-) diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.c b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.c index 49fc2e9d45dd5..c4f1c49b9d52a 100644 --- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.c +++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-vpu.c @@ -77,10 +77,10 @@ void mdp_vpu_shared_mem_free(struct mdp_vpu_dev *vpu) dma_free_wc(dev, vpu->config_size, vpu->config, vpu->config_addr); } -static void mdp_vpu_ipi_handle_init_ack(void *data, unsigned int len, +static void mdp_vpu_ipi_handle_init_ack(const void *data, unsigned int len, void *priv) { - struct mdp_ipi_init_msg *msg = (struct mdp_ipi_init_msg *)data; + const struct mdp_ipi_init_msg *msg = data; struct mdp_vpu_dev *vpu = (struct mdp_vpu_dev *)(unsigned long)msg->drv_data; @@ -91,10 +91,10 @@ static void mdp_vpu_ipi_handle_init_ack(void *data, unsigned int len, complete(&vpu->ipi_acked); } -static void mdp_vpu_ipi_handle_deinit_ack(void *data, unsigned int len, +static void mdp_vpu_ipi_handle_deinit_ack(const void *data, unsigned int len, void *priv) { - struct mdp_ipi_deinit_msg *msg = (struct mdp_ipi_deinit_msg *)data; + const struct mdp_ipi_deinit_msg *msg = data; struct mdp_vpu_dev *vpu = (struct mdp_vpu_dev *)(unsigned long)msg->drv_data; @@ -102,10 +102,10 @@ static void mdp_vpu_ipi_handle_deinit_ack(void *data, unsigned int len, complete(&vpu->ipi_acked); } -static void mdp_vpu_ipi_handle_frame_ack(void *data, unsigned int len, +static void mdp_vpu_ipi_handle_frame_ack(const void *data, unsigned int len, void *priv) { - struct img_sw_addr *addr = (struct img_sw_addr *)data; + const struct img_sw_addr *addr = data; struct img_ipi_frameparam *param = (struct img_ipi_frameparam *)(unsigned long)addr->va; struct mdp_vpu_dev *vpu = diff --git a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw.h b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw.h index 300363a40158c..2561b99c95871 100644 --- a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw.h +++ b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw.h @@ -23,7 +23,7 @@ enum mtk_vcodec_fw_use { struct mtk_vcodec_fw; -typedef void (*mtk_vcodec_ipi_handler) (void *data, +typedef void (*mtk_vcodec_ipi_handler) (const void *data, unsigned int len, void *priv); struct mtk_vcodec_fw *mtk_vcodec_fw_select(void *priv, enum mtk_vcodec_fw_type type, diff --git a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c index 9f6e4b59455da..4c34344dc7dcb 100644 --- a/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c +++ b/drivers/media/platform/mediatek/vcodec/common/mtk_vcodec_fw_vpu.c @@ -29,15 +29,7 @@ static int mtk_vcodec_vpu_set_ipi_register(struct mtk_vcodec_fw *fw, int id, mtk_vcodec_ipi_handler handler, const char *name, void *priv) { - /* - * The handler we receive takes a void * as its first argument. We - * cannot change this because it needs to be passed down to the rproc - * subsystem when SCP is used. VPU takes a const argument, which is - * more constrained, so the conversion below is safe. - */ - ipi_handler_t handler_const = (ipi_handler_t)handler; - - return vpu_ipi_register(fw->pdev, id, handler_const, name, priv); + return vpu_ipi_register(fw->pdev, id, handler, name, priv); } static int mtk_vcodec_vpu_ipi_send(struct mtk_vcodec_fw *fw, int id, void *buf, diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c index 82e57ae983d55..a840dd2a48d0e 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c @@ -97,7 +97,7 @@ static bool vpu_dec_check_ap_inst(struct mtk_vcodec_dec_dev *dec_dev, struct vde * This function runs in interrupt context and it means there's an IPI MSG * from VPU. */ -static void vpu_dec_ipi_handler(void *data, unsigned int len, void *priv) +static void vpu_dec_ipi_handler(const void *data, unsigned int len, void *priv) { struct mtk_vcodec_dec_dev *dec_dev; const struct vdec_vpu_ipi_ack *msg = data; diff --git a/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c b/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c index 84ad1cc6ad171..ea0c4a281d1a1 100644 --- a/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c +++ b/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c @@ -57,7 +57,7 @@ static bool vpu_enc_check_ap_inst(struct mtk_vcodec_enc_dev *enc_dev, struct ven return ret; } -static void vpu_enc_ipi_handler(void *data, unsigned int len, void *priv) +static void vpu_enc_ipi_handler(const void *data, unsigned int len, void *priv) { struct mtk_vcodec_enc_dev *enc_dev; const struct venc_vpu_ipi_msg_common *msg = data; diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index a35409eda0cf2..b508136b416a8 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -78,10 +78,10 @@ static void scp_wdt_handler(struct mtk_scp *scp, u32 scp_to_host) rproc_report_crash(scp_node->rproc, RPROC_WATCHDOG); } -static void scp_init_ipi_handler(void *data, unsigned int len, void *priv) +static void scp_init_ipi_handler(const void *data, unsigned int len, void *priv) { struct mtk_scp *scp = priv; - struct scp_run *run = data; + const struct scp_run *run = data; scp->run.signaled = run->signaled; strscpy(scp->run.fw_ver, run->fw_ver, SCP_FW_VER_LEN); diff --git a/include/linux/remoteproc/mtk_scp.h b/include/linux/remoteproc/mtk_scp.h index 7c2b7cc9fe6c1..84e579940b8e5 100644 --- a/include/linux/remoteproc/mtk_scp.h +++ b/include/linux/remoteproc/mtk_scp.h @@ -8,7 +8,7 @@ #include -typedef void (*scp_ipi_handler_t) (void *data, +typedef void (*scp_ipi_handler_t) (const void *data, unsigned int len, void *priv); struct mtk_scp; diff --git a/include/linux/rpmsg/mtk_rpmsg.h b/include/linux/rpmsg/mtk_rpmsg.h index 363b60178040b..9d67507471fba 100644 --- a/include/linux/rpmsg/mtk_rpmsg.h +++ b/include/linux/rpmsg/mtk_rpmsg.h @@ -9,7 +9,7 @@ #include #include -typedef void (*ipi_handler_t)(void *data, unsigned int len, void *priv); +typedef void (*ipi_handler_t)(const void *data, unsigned int len, void *priv); /* * struct mtk_rpmsg_info - IPI functions tied to the rpmsg device.