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Sat, 30 May 2020 00:13:11 -0800 Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 30 May 2020 01:13:14 -0700 Received: from mtkcas07.mediatek.inc (172.21.101.84) by mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Sat, 30 May 2020 16:13:12 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Sat, 30 May 2020 16:13:12 +0800 From: Yong Wu To: Matthias Brugger , Joerg Roedel , Rob Herring Subject: [PATCH v4 06/17] media: mtk-jpeg: Get rid of mtk_smi_larb_get/put Date: Sat, 30 May 2020 16:10:07 +0800 Message-ID: <1590826218-23653-7-git-send-email-yong.wu@mediatek.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1590826218-23653-1-git-send-email-yong.wu@mediatek.com> References: <1590826218-23653-1-git-send-email-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200530_011321_103919_1DD67B55 X-CRM114-Status: GOOD ( 10.20 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , cui.zhang@mediatek.com, eizan@chromium.org, srv_heupstream@mediatek.com, chao.hao@mediatek.com, Will Deacon , linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, Matthias Kaehlcke , linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, Rick Chang , ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Robin Murphy , acourbot@chromium.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org MediaTek IOMMU has already added device_link between the consumer and smi-larb device. If the jpg device call the pm_runtime_get_sync, the smi-larb's pm_runtime_get_sync also be called automatically. CC: Rick Chang Signed-off-by: Yong Wu Reviewed-by: Evan Green --- drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 22 ---------------------- drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h | 2 -- 2 files changed, 24 deletions(-) diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c index f82a81a..21fba6f 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c @@ -21,7 +21,6 @@ #include #include #include -#include #include "mtk_jpeg_hw.h" #include "mtk_jpeg_core.h" @@ -893,11 +892,6 @@ static int mtk_jpeg_queue_init(void *priv, struct vb2_queue *src_vq, static void mtk_jpeg_clk_on(struct mtk_jpeg_dev *jpeg) { - int ret; - - ret = mtk_smi_larb_get(jpeg->larb); - if (ret) - dev_err(jpeg->dev, "mtk_smi_larb_get larbvdec fail %d\n", ret); clk_prepare_enable(jpeg->clk_jdec_smi); clk_prepare_enable(jpeg->clk_jdec); } @@ -906,7 +900,6 @@ static void mtk_jpeg_clk_off(struct mtk_jpeg_dev *jpeg) { clk_disable_unprepare(jpeg->clk_jdec); clk_disable_unprepare(jpeg->clk_jdec_smi); - mtk_smi_larb_put(jpeg->larb); } static irqreturn_t mtk_jpeg_dec_irq(int irq, void *priv) @@ -1051,21 +1044,6 @@ static int mtk_jpeg_release(struct file *file) static int mtk_jpeg_clk_init(struct mtk_jpeg_dev *jpeg) { - struct device_node *node; - struct platform_device *pdev; - - node = of_parse_phandle(jpeg->dev->of_node, "mediatek,larb", 0); - if (!node) - return -EINVAL; - pdev = of_find_device_by_node(node); - if (WARN_ON(!pdev)) { - of_node_put(node); - return -EINVAL; - } - of_node_put(node); - - jpeg->larb = &pdev->dev; - jpeg->clk_jdec = devm_clk_get(jpeg->dev, "jpgdec"); if (IS_ERR(jpeg->clk_jdec)) return PTR_ERR(jpeg->clk_jdec); diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h index 999bd14..8579494 100644 --- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h +++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.h @@ -47,7 +47,6 @@ enum mtk_jpeg_ctx_state { * @dec_reg_base: JPEG registers mapping * @clk_jdec: JPEG hw working clock * @clk_jdec_smi: JPEG SMI bus clock - * @larb: SMI device */ struct mtk_jpeg_dev { struct mutex lock; @@ -61,7 +60,6 @@ struct mtk_jpeg_dev { void __iomem *dec_reg_base; struct clk *clk_jdec; struct clk *clk_jdec_smi; - struct device *larb; }; /** -- 1.9.1 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek