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Date:   Mon, 28 Jan 2019 22:10:20 -0800
From:   Stephen Boyd <sboyd@...nel.org>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>
Cc:     linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Russell King <linux@...linux.org.uk>
Subject: [PATCH 8/9] clk: qcom: gcc-sdm845: Migrate to DT parent mapping

TODO: Fully convert driver

Cc: Miquel Raynal <miquel.raynal@...tlin.com>
Cc: Jerome Brunet <jbrunet@...libre.com>
Cc: Russell King <linux@...linux.org.uk>
Cc: Michael Turquette <mturquette@...libre.com>
Signed-off-by: Stephen Boyd <sboyd@...nel.org>
---
 drivers/clk/qcom/gcc-sdm845.c | 180 +++++++++++++++++-----------------
 1 file changed, 89 insertions(+), 91 deletions(-)

diff --git a/drivers/clk/qcom/gcc-sdm845.c b/drivers/clk/qcom/gcc-sdm845.c
index f133b7f5652f..9da9a337238d 100644
--- a/drivers/clk/qcom/gcc-sdm845.c
+++ b/drivers/clk/qcom/gcc-sdm845.c
@@ -25,6 +25,59 @@
 #include "gdsc.h"
 #include "reset.h"
 
+static struct clk_alpha_pll gpll0 = {
+	.offset = 0x0,
+	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA],
+	.clkr = {
+		.enable_reg = 0x52000,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gpll0",
+			.parent_names = (const char *[]){ "bi_tcxo" },
+			.num_parents = 1,
+			.ops = &clk_alpha_pll_fixed_fabia_ops,
+		},
+	},
+};
+
+static struct clk_alpha_pll gpll4 = {
+	.offset = 0x76000,
+	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA],
+	.clkr = {
+		.enable_reg = 0x52000,
+		.enable_mask = BIT(4),
+		.hw.init = &(struct clk_init_data){
+			.name = "gpll4",
+			.parent_names = (const char *[]){ "bi_tcxo" },
+			.num_parents = 1,
+			.ops = &clk_alpha_pll_fixed_fabia_ops,
+		},
+	},
+};
+
+static const struct clk_div_table post_div_table_fabia_even[] = {
+	{ 0x0, 1 },
+	{ 0x1, 2 },
+	{ 0x3, 4 },
+	{ 0x7, 8 },
+	{ }
+};
+
+static struct clk_alpha_pll_postdiv gpll0_out_even = {
+	.offset = 0x0,
+	.post_div_shift = 8,
+	.post_div_table = post_div_table_fabia_even,
+	.num_post_div = ARRAY_SIZE(post_div_table_fabia_even),
+	.width = 4,
+	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA],
+	.clkr.hw.init = &(struct clk_init_data){
+		.name = "gpll0_out_even",
+		.parent_names = (const char *[]){ "gpll0" },
+		.num_parents = 1,
+		.ops = &clk_alpha_pll_postdiv_fabia_ops,
+	},
+};
+
 enum {
 	P_BI_TCXO,
 	P_AUD_REF_CLK,
@@ -42,11 +95,11 @@ static const struct parent_map gcc_parent_map_0[] = {
 	{ P_CORE_BI_PLL_TEST_SE, 7 },
 };
 
-static const char * const gcc_parent_names_0[] = {
-	"bi_tcxo",
-	"gpll0",
-	"gpll0_out_even",
-	"core_bi_pll_test_se",
+static const struct clk_parent_data gcc_parent_data_0[] = {
+	{ .name = "xo", .fallback = "bi_tcxo" },
+	{ .hw = &gpll0.clkr.hw },
+	{ .hw = &gpll0_out_even.clkr.hw },
+	{ .name = "core_bi_pll_test_se", .fallback = "core_bi_pll_test_se" }
 };
 
 static const struct parent_map gcc_parent_map_1[] = {
@@ -144,59 +197,6 @@ static const char * const gcc_parent_names_10[] = {
 	"core_bi_pll_test_se",
 };
 
-static struct clk_alpha_pll gpll0 = {
-	.offset = 0x0,
-	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA],
-	.clkr = {
-		.enable_reg = 0x52000,
-		.enable_mask = BIT(0),
-		.hw.init = &(struct clk_init_data){
-			.name = "gpll0",
-			.parent_names = (const char *[]){ "bi_tcxo" },
-			.num_parents = 1,
-			.ops = &clk_alpha_pll_fixed_fabia_ops,
-		},
-	},
-};
-
-static struct clk_alpha_pll gpll4 = {
-	.offset = 0x76000,
-	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA],
-	.clkr = {
-		.enable_reg = 0x52000,
-		.enable_mask = BIT(4),
-		.hw.init = &(struct clk_init_data){
-			.name = "gpll4",
-			.parent_names = (const char *[]){ "bi_tcxo" },
-			.num_parents = 1,
-			.ops = &clk_alpha_pll_fixed_fabia_ops,
-		},
-	},
-};
-
-static const struct clk_div_table post_div_table_fabia_even[] = {
-	{ 0x0, 1 },
-	{ 0x1, 2 },
-	{ 0x3, 4 },
-	{ 0x7, 8 },
-	{ }
-};
-
-static struct clk_alpha_pll_postdiv gpll0_out_even = {
-	.offset = 0x0,
-	.post_div_shift = 8,
-	.post_div_table = post_div_table_fabia_even,
-	.num_post_div = ARRAY_SIZE(post_div_table_fabia_even),
-	.width = 4,
-	.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA],
-	.clkr.hw.init = &(struct clk_init_data){
-		.name = "gpll0_out_even",
-		.parent_names = (const char *[]){ "gpll0" },
-		.num_parents = 1,
-		.ops = &clk_alpha_pll_postdiv_fabia_ops,
-	},
-};
-
 static const struct freq_tbl ftbl_gcc_cpuss_ahb_clk_src[] = {
 	F(19200000, P_BI_TCXO, 1, 0, 0),
 	{ }
@@ -334,7 +334,7 @@ static struct clk_rcg2 gcc_pcie_phy_refgen_clk_src = {
 	.freq_tbl = ftbl_gcc_pcie_phy_refgen_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_pcie_phy_refgen_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_ops,
 	},
@@ -356,7 +356,7 @@ static struct clk_rcg2 gcc_qspi_core_clk_src = {
 	.freq_tbl = ftbl_gcc_qspi_core_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_qspi_core_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_floor_ops,
 	},
@@ -377,7 +377,7 @@ static struct clk_rcg2 gcc_pdm2_clk_src = {
 	.freq_tbl = ftbl_gcc_pdm2_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_pdm2_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_ops,
 	},
@@ -404,7 +404,7 @@ static const struct freq_tbl ftbl_gcc_qupv3_wrap0_s0_clk_src[] = {
 
 static struct clk_init_data gcc_qupv3_wrap0_s0_clk_init = {
 	.name = "gcc_qupv3_wrap0_s0_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -420,7 +420,7 @@ static struct clk_rcg2 gcc_qupv3_wrap0_s0_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap0_s1_clk_init = {
 	.name = "gcc_qupv3_wrap0_s1_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -436,7 +436,7 @@ static struct clk_rcg2 gcc_qupv3_wrap0_s1_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap0_s2_clk_init = {
 	.name = "gcc_qupv3_wrap0_s2_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -452,7 +452,7 @@ static struct clk_rcg2 gcc_qupv3_wrap0_s2_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap0_s3_clk_init = {
 	.name = "gcc_qupv3_wrap0_s3_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -468,7 +468,7 @@ static struct clk_rcg2 gcc_qupv3_wrap0_s3_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap0_s4_clk_init = {
 	.name = "gcc_qupv3_wrap0_s4_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -484,7 +484,7 @@ static struct clk_rcg2 gcc_qupv3_wrap0_s4_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap0_s5_clk_init = {
 	.name = "gcc_qupv3_wrap0_s5_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -500,7 +500,7 @@ static struct clk_rcg2 gcc_qupv3_wrap0_s5_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap0_s6_clk_init = {
 	.name = "gcc_qupv3_wrap0_s6_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -516,7 +516,7 @@ static struct clk_rcg2 gcc_qupv3_wrap0_s6_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap0_s7_clk_init = {
 	.name = "gcc_qupv3_wrap0_s7_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -532,7 +532,7 @@ static struct clk_rcg2 gcc_qupv3_wrap0_s7_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap1_s0_clk_init = {
 	.name = "gcc_qupv3_wrap1_s0_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -548,7 +548,7 @@ static struct clk_rcg2 gcc_qupv3_wrap1_s0_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap1_s1_clk_init = {
 	.name = "gcc_qupv3_wrap1_s1_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -564,7 +564,7 @@ static struct clk_rcg2 gcc_qupv3_wrap1_s1_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap1_s2_clk_init = {
 	.name = "gcc_qupv3_wrap1_s2_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -580,7 +580,7 @@ static struct clk_rcg2 gcc_qupv3_wrap1_s2_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap1_s3_clk_init = {
 	.name = "gcc_qupv3_wrap1_s3_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -596,7 +596,7 @@ static struct clk_rcg2 gcc_qupv3_wrap1_s3_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap1_s4_clk_init = {
 	.name = "gcc_qupv3_wrap1_s4_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -612,7 +612,7 @@ static struct clk_rcg2 gcc_qupv3_wrap1_s4_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap1_s5_clk_init = {
 	.name = "gcc_qupv3_wrap1_s5_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -628,7 +628,7 @@ static struct clk_rcg2 gcc_qupv3_wrap1_s5_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap1_s6_clk_init = {
 	.name = "gcc_qupv3_wrap1_s6_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -644,7 +644,7 @@ static struct clk_rcg2 gcc_qupv3_wrap1_s6_clk_src = {
 
 static struct clk_init_data gcc_qupv3_wrap1_s7_clk_init = {
 	.name = "gcc_qupv3_wrap1_s7_clk_src",
-	.parent_names = gcc_parent_names_0,
+	.parent_data = gcc_parent_data_0,
 	.num_parents = 4,
 	.ops = &clk_rcg2_shared_ops,
 };
@@ -701,7 +701,7 @@ static struct clk_rcg2 gcc_sdcc4_apps_clk_src = {
 	.freq_tbl = ftbl_gcc_sdcc4_apps_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_sdcc4_apps_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_ops,
 	},
@@ -743,7 +743,7 @@ static struct clk_rcg2 gcc_ufs_card_axi_clk_src = {
 	.freq_tbl = ftbl_gcc_ufs_card_axi_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_ufs_card_axi_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_shared_ops,
 	},
@@ -765,7 +765,7 @@ static struct clk_rcg2 gcc_ufs_card_ice_core_clk_src = {
 	.freq_tbl = ftbl_gcc_ufs_card_ice_core_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_ufs_card_ice_core_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_shared_ops,
 	},
@@ -800,7 +800,7 @@ static struct clk_rcg2 gcc_ufs_card_unipro_core_clk_src = {
 	.freq_tbl = ftbl_gcc_ufs_card_unipro_core_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_ufs_card_unipro_core_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_shared_ops,
 	},
@@ -823,7 +823,7 @@ static struct clk_rcg2 gcc_ufs_phy_axi_clk_src = {
 	.freq_tbl = ftbl_gcc_ufs_phy_axi_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_ufs_phy_axi_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_shared_ops,
 	},
@@ -837,7 +837,7 @@ static struct clk_rcg2 gcc_ufs_phy_ice_core_clk_src = {
 	.freq_tbl = ftbl_gcc_ufs_card_ice_core_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_ufs_phy_ice_core_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_shared_ops,
 	},
@@ -865,7 +865,7 @@ static struct clk_rcg2 gcc_ufs_phy_unipro_core_clk_src = {
 	.freq_tbl = ftbl_gcc_ufs_card_unipro_core_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_ufs_phy_unipro_core_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_shared_ops,
 	},
@@ -888,7 +888,7 @@ static struct clk_rcg2 gcc_usb30_prim_master_clk_src = {
 	.freq_tbl = ftbl_gcc_usb30_prim_master_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_usb30_prim_master_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_shared_ops,
 	},
@@ -910,7 +910,7 @@ static struct clk_rcg2 gcc_usb30_prim_mock_utmi_clk_src = {
 	.freq_tbl = ftbl_gcc_usb30_prim_mock_utmi_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_usb30_prim_mock_utmi_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_shared_ops,
 	},
@@ -924,7 +924,7 @@ static struct clk_rcg2 gcc_usb30_sec_master_clk_src = {
 	.freq_tbl = ftbl_gcc_usb30_prim_master_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_usb30_sec_master_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_ops,
 	},
@@ -938,7 +938,7 @@ static struct clk_rcg2 gcc_usb30_sec_mock_utmi_clk_src = {
 	.freq_tbl = ftbl_gcc_usb30_prim_mock_utmi_clk_src,
 	.clkr.hw.init = &(struct clk_init_data){
 		.name = "gcc_usb30_sec_mock_utmi_clk_src",
-		.parent_names = gcc_parent_names_0,
+		.parent_data = gcc_parent_data_0,
 		.num_parents = 4,
 		.ops = &clk_rcg2_ops,
 	},
@@ -1030,9 +1030,7 @@ static struct clk_branch gcc_aggre_ufs_card_axi_clk = {
 		.enable_mask = BIT(0),
 		.hw.init = &(struct clk_init_data){
 			.name = "gcc_aggre_ufs_card_axi_clk",
-			.parent_names = (const char *[]){
-				"gcc_ufs_card_axi_clk_src",
-			},
+			.parent_hws = (struct clk_hw *[]){ &gcc_ufs_card_axi_clk_src.clkr.hw },
 			.num_parents = 1,
 			.flags = CLK_SET_RATE_PARENT,
 			.ops = &clk_branch2_ops,
-- 
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