From patchwork Wed Feb 22 09:25:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 13148920 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 803B6C6379F for ; Wed, 22 Feb 2023 09:43:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=2w5mFRby7YfjNkAFz2DMFSEIsDitlfyKm6Uh4KUaM2Q=; b=Wo7/R8xM6U+pMnemFCF3ZPEUYS 2sojgjpkvju8ve9p4PbbWicssiqFeM9Naq72q+oO8RI2vjAMP2GBWvb7ocA5Feje3zlbz6rG0jXp+ g9USJKirAkBNj3iY+P/JDD4q1KjX8n1BZCnz3WwhWBxAKWZReB0H1Nb8/fA3AIxTRNfEB/AikIl0A 6+RxR/iIQ++MTI8C1pOLXypYMR0DVsdgMNRk3bCE1RW/Esgy5ah6Hqw1bykeK7tq3hhkXNr7RkDJH sVufQBsqfy6G2DJXRJ/Hp3kx90mJ97zJZtt7lRyjFmynsylB1n95/n9vamvrK8vyzxp+KYMlNaKr2 TQZWrXYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pUleL-00BYbw-DJ; Wed, 22 Feb 2023 09:42:57 +0000 Received: from madras.collabora.co.uk ([46.235.227.172]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pUlON-00BPyc-GB; Wed, 22 Feb 2023 09:26:29 +0000 Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 303E266021B6; Wed, 22 Feb 2023 09:26:25 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677057986; bh=WqZ5UvGPIzWucu4sfsY6VhDy9AwB8hhVyU31QRmaiDQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O45xd+0rYog92v3JPjWpyK8EwzpBJGOzHJx6h0fKrjTtATVB2ZEMCL+VUXjN79oDV w9jyp2rnIKGuFEf+pfbo46N1ZygEtc68t/sxK57XNzQKFdfgzsvXIJtRluDNKoC4GU dVuRz9E2isPYbSbqjRv1S8K4MdOo6MW2027CjriVWgdWsGHDm96IQ3W0W+zdxDnhVt ikWOeWWSUTflUOTI0d9sqxLuGSV5ZzqtSx4nCIQTV5Mv8gISLd3oLTVspAJsptpxUF X2LbSbFkRleYBsUQX4D1kiMdH/yFG32wXaPKshvnyqfFDx659xeiNFNVFbtb3mWlP6 sdWrT5WygmUUw== From: AngeloGioacchino Del Regno To: mturquette@baylibre.com Cc: sboyd@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, wenst@chromium.org, johnson.wang@mediatek.com, miles.chen@mediatek.com, chun-jie.chen@mediatek.com, daniel@makrotopia.org, fparent@baylibre.com, msp@baylibre.com, nfraprado@collabora.com, rex-bc.chen@mediatek.com, zhaojh329@gmail.com, sam.shih@mediatek.com, edward-jw.yang@mediatek.com, yangyingliang@huawei.com, granquet@baylibre.com, pablo.sun@mediatek.com, sean.wang@mediatek.com, chen.zhong@mediatek.com, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH v5 23/54] clk: mediatek: mt7622: Properly use CLK_IS_CRITICAL flag Date: Wed, 22 Feb 2023 10:25:12 +0100 Message-Id: <20230222092543.19187-24-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230222092543.19187-1-angelogioacchino.delregno@collabora.com> References: <20230222092543.19187-1-angelogioacchino.delregno@collabora.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230222_012627_852097_9FAE6BE3 X-CRM114-Status: GOOD ( 12.04 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Instead of calling clk_prepare_enable() for clocks that shall stay enabled, use the CLK_IS_CRITICAL flag, which purpose is exactly that. Fixes: 2fc0a509e4ee ("clk: mediatek: add clock support for MT7622 SoC") Signed-off-by: AngeloGioacchino Del Regno Reviewed-by: Chen-Yu Tsai --- drivers/clk/mediatek/clk-mt7622.c | 35 +++++++++++++------------------ 1 file changed, 15 insertions(+), 20 deletions(-) diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c index 41af8d420bbf..1c0049fbeb69 100644 --- a/drivers/clk/mediatek/clk-mt7622.c +++ b/drivers/clk/mediatek/clk-mt7622.c @@ -50,9 +50,9 @@ _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift, \ NULL, "clkxtal") -#define GATE_APMIXED(_id, _name, _parent, _shift) \ - GATE_MTK(_id, _name, _parent, &apmixed_cg_regs, _shift, \ - &mtk_clk_gate_ops_no_setclr_inv) +#define GATE_APMIXED_AO(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &apmixed_cg_regs, _shift, \ + &mtk_clk_gate_ops_no_setclr_inv, CLK_IS_CRITICAL) #define GATE_INFRA(_id, _name, _parent, _shift) \ GATE_MTK(_id, _name, _parent, &infra_cg_regs, _shift, &mtk_clk_gate_ops_setclr) @@ -66,6 +66,10 @@ #define GATE_PERI0(_id, _name, _parent, _shift) \ GATE_MTK(_id, _name, _parent, &peri0_cg_regs, _shift, &mtk_clk_gate_ops_setclr) +#define GATE_PERI0_AO(_id, _name, _parent, _shift) \ + GATE_MTK_FLAGS(_id, _name, _parent, &peri0_cg_regs, _shift, \ + &mtk_clk_gate_ops_setclr, CLK_IS_CRITICAL) + #define GATE_PERI1(_id, _name, _parent, _shift) \ GATE_MTK(_id, _name, _parent, &peri1_cg_regs, _shift, &mtk_clk_gate_ops_setclr) @@ -315,7 +319,7 @@ static const struct mtk_pll_data plls[] = { }; static const struct mtk_gate apmixed_clks[] = { - GATE_APMIXED(CLK_APMIXED_MAIN_CORE_EN, "main_core_en", "mainpll", 5), + GATE_APMIXED_AO(CLK_APMIXED_MAIN_CORE_EN, "main_core_en", "mainpll", 5), }; static const struct mtk_gate infra_clks[] = { @@ -450,7 +454,7 @@ static const struct mtk_gate peri_clks[] = { GATE_PERI0(CLK_PERI_AP_DMA_PD, "peri_ap_dma_pd", "axi_sel", 12), GATE_PERI0(CLK_PERI_MSDC30_0_PD, "peri_msdc30_0", "msdc30_0_sel", 13), GATE_PERI0(CLK_PERI_MSDC30_1_PD, "peri_msdc30_1", "msdc30_1_sel", 14), - GATE_PERI0(CLK_PERI_UART0_PD, "peri_uart0_pd", "axi_sel", 17), + GATE_PERI0_AO(CLK_PERI_UART0_PD, "peri_uart0_pd", "axi_sel", 17), GATE_PERI0(CLK_PERI_UART1_PD, "peri_uart1_pd", "axi_sel", 18), GATE_PERI0(CLK_PERI_UART2_PD, "peri_uart2_pd", "axi_sel", 19), GATE_PERI0(CLK_PERI_UART3_PD, "peri_uart3_pd", "axi_sel", 20), @@ -478,12 +482,12 @@ static struct mtk_composite infra_muxes[] = { static struct mtk_composite top_muxes[] = { /* CLK_CFG_0 */ - MUX_GATE(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, - 0x040, 0, 3, 7), - MUX_GATE(CLK_TOP_MEM_SEL, "mem_sel", mem_parents, - 0x040, 8, 1, 15), - MUX_GATE(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents, - 0x040, 16, 1, 23), + MUX_GATE_FLAGS(CLK_TOP_AXI_SEL, "axi_sel", axi_parents, + 0x040, 0, 3, 7, CLK_IS_CRITICAL), + MUX_GATE_FLAGS(CLK_TOP_MEM_SEL, "mem_sel", mem_parents, + 0x040, 8, 1, 15, CLK_IS_CRITICAL), + MUX_GATE_FLAGS(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents, + 0x040, 16, 1, 23, CLK_IS_CRITICAL), MUX_GATE(CLK_TOP_ETH_SEL, "eth_sel", eth_parents, 0x040, 24, 3, 31), @@ -621,10 +625,6 @@ static int mtk_topckgen_init(struct platform_device *pdev) mtk_clk_register_gates(&pdev->dev, node, top_clks, ARRAY_SIZE(top_clks), clk_data); - clk_prepare_enable(clk_data->hws[CLK_TOP_AXI_SEL]->clk); - clk_prepare_enable(clk_data->hws[CLK_TOP_MEM_SEL]->clk); - clk_prepare_enable(clk_data->hws[CLK_TOP_DDRPHYCFG_SEL]->clk); - return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); } @@ -667,9 +667,6 @@ static int mtk_apmixedsys_init(struct platform_device *pdev) mtk_clk_register_gates(&pdev->dev, node, apmixed_clks, ARRAY_SIZE(apmixed_clks), clk_data); - clk_prepare_enable(clk_data->hws[CLK_APMIXED_ARMPLL]->clk); - clk_prepare_enable(clk_data->hws[CLK_APMIXED_MAIN_CORE_EN]->clk); - return of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); } @@ -697,8 +694,6 @@ static int mtk_pericfg_init(struct platform_device *pdev) if (r) return r; - clk_prepare_enable(clk_data->hws[CLK_PERI_UART0_PD]->clk); - mtk_register_reset_controller_with_dev(&pdev->dev, &clk_rst_desc[1]); return 0;