Thread (20 messages) 20 messages, 3 authors, 2021-11-19

Re: [PATCH v4 3/6] clk: qcom: Add SDX65 GCC support

From: Vinod Koul <vkoul@kernel.org>
Date: 2021-11-16 08:33:10
Also in: linux-arm-msm, linux-clk, lkml

On 15-11-21, 23:38, quic_vamslank@quicinc.com wrote:
From: Vamsi Krishna Lanka <redacted>

Add Global Clock Controller (GCC) support for SDX65 SoCs from Qualcomm.

Signed-off-by: Vamsi Krishna Lanka <redacted>
Reported-by: kernel test robot <redacted>
Missing support reported ??
+static struct clk_branch gcc_ahb_pcie_link_clk = {
+	.halt_reg = 0x2e004,
+	.halt_check = BRANCH_HALT,
+	.clkr = {
+		.enable_reg = 0x2e004,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_ahb_pcie_link_clk",
+			.flags = CLK_IS_CRITICAL,
+			.ops = &clk_branch2_ops,
+		},
If this clk is critical then why model in linux, enable directly in probe
and leave it...?
+static struct clk_branch gcc_pcie_0_clkref_en = {
+	.halt_reg = 0x88004,
+	.halt_check = BRANCH_HALT_DELAY,
Why delay, add a comment at least for that
+	.clkr = {
+		.enable_reg = 0x88004,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_pcie_0_clkref_en",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gcc_pcie_aux_clk = {
+	.halt_reg = 0x43034,
+	.halt_check = BRANCH_HALT_DELAY,
Here too
+static struct clk_branch gcc_pcie_mstr_axi_clk = {
+	.halt_reg = 0x43024,
+	.halt_check = BRANCH_HALT_VOTED,
+	.hwcg_reg = 0x43024,
+	.hwcg_bit = 1,
+	.clkr = {
+		.enable_reg = 0x6d010,
+		.enable_mask = BIT(1),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_pcie_mstr_axi_clk",
+			.ops = &clk_branch2_ops,
+		},
+	},
+};
+
+static struct clk_branch gcc_pcie_pipe_clk = {
+	.halt_reg = 0x4303c,
+	.halt_check = BRANCH_HALT_DELAY,
here as well and few more places I guess
+static struct clk_branch gcc_xo_pcie_link_clk = {
+	.halt_reg = 0x2e008,
+	.halt_check = BRANCH_HALT,
+	.hwcg_reg = 0x2e008,
+	.hwcg_bit = 1,
+	.clkr = {
+		.enable_reg = 0x2e008,
+		.enable_mask = BIT(0),
+		.hw.init = &(struct clk_init_data){
+			.name = "gcc_xo_pcie_link_clk",
+			.flags = CLK_IS_CRITICAL,
Here as well
-- 
~Vinod
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