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