From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1A1451094C for ; Mon, 8 May 2023 11:24:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8D329C4339B; Mon, 8 May 2023 11:24:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1683545057; bh=gX39DoRBJpT5cNtJczBvP/XQo875aKQmv20CC+EmjK8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MhRPKtIYn1UQ25vweFcRGAXOJJgOyaUr3gf7qbVU6a0fCZB1uU8++/vHoLNcJE2KX niwJSbEW4tcQtZaNtZXqMk3RX1xTeXO4xWyaGmJawCamq/ie5QP5VFD4NrK+iAXm/n AGbWuENCkkNmiTvFo9MYPWaeVFJM9BaD0+BEMH/k= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, AngeloGioacchino Del Regno , Chen-Yu Tsai , Stephen Boyd , Sasha Levin Subject: [PATCH 6.3 579/694] clk: mediatek: mt7622: Properly use CLK_IS_CRITICAL flag Date: Mon, 8 May 2023 11:46:54 +0200 Message-Id: <20230508094453.718528293@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230508094432.603705160@linuxfoundation.org> References: <20230508094432.603705160@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: AngeloGioacchino Del Regno [ Upstream commit fa8c0d01df62130ff596d560380a6f844f62639e ] 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 Link: https://lore.kernel.org/r/20230306140543.1813621-24-angelogioacchino.delregno@collabora.com Signed-off-by: Stephen Boyd Signed-off-by: Sasha Levin --- 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 41af8d420bbf8..1c0049fbeb69c 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; -- 2.39.2