Re: [PATCH v3 3/3] clk: qcom: Add Global Clock controller (GCC) driver for SC7180

From: Rajendra Nayak
Date: Thu Sep 19 2019 - 07:08:41 EST


[]..

+static struct clk_rcg_dfs_data gcc_dfs_clocks[] = {
+ DEFINE_RCG_DFS(gcc_qupv3_wrap0_s0_clk_src),
+ DEFINE_RCG_DFS(gcc_qupv3_wrap0_s1_clk_src),
+ DEFINE_RCG_DFS(gcc_qupv3_wrap0_s2_clk_src),
+ DEFINE_RCG_DFS(gcc_qupv3_wrap0_s3_clk_src),
+ DEFINE_RCG_DFS(gcc_qupv3_wrap0_s4_clk_src),
+ DEFINE_RCG_DFS(gcc_qupv3_wrap0_s5_clk_src),
+ DEFINE_RCG_DFS(gcc_qupv3_wrap1_s0_clk_src),
+ DEFINE_RCG_DFS(gcc_qupv3_wrap1_s1_clk_src),
+ DEFINE_RCG_DFS(gcc_qupv3_wrap1_s2_clk_src),
+ DEFINE_RCG_DFS(gcc_qupv3_wrap1_s3_clk_src),
+ DEFINE_RCG_DFS(gcc_qupv3_wrap1_s4_clk_src),
+ DEFINE_RCG_DFS(gcc_qupv3_wrap1_s5_clk_src),
+};

this fails to build..

In file included from drivers/clk/qcom/gcc-sc7180.c:17:0:
drivers/clk/qcom/gcc-sc7180.c:2429:17: error: âgcc_qupv3_wrap0_s0_clk_src_srcâ undeclared here (not in a function)
DEFINE_RCG_DFS(gcc_qupv3_wrap0_s0_clk_src),
^
drivers/clk/qcom/clk-rcg.h:171:12: note: in definition of macro âDEFINE_RCG_DFSâ
{ .rcg = &r##_src, .init = &r##_init }
^
drivers/clk/qcom/gcc-sc7180.c:2430:17: error: âgcc_qupv3_wrap0_s1_clk_src_srcâ undeclared here (not in a function)
DEFINE_RCG_DFS(gcc_qupv3_wrap0_s1_clk_src),
^
drivers/clk/qcom/clk-rcg.h:171:12: note: in definition of macro âDEFINE_RCG_DFSâ
{ .rcg = &r##_src, .init = &r##_init }
^
Perhaps you should drop _src here and in the clk_init_data names.

+
+static const struct regmap_config gcc_sc7180_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x18208c,
+ .fast_io = true,
+};
+
+static const struct qcom_cc_desc gcc_sc7180_desc = {
+ .config = &gcc_sc7180_regmap_config,
+ .clk_hws = gcc_sc7180_hws,
+ .num_clk_hws = ARRAY_SIZE(gcc_sc7180_hws),
+ .clks = gcc_sc7180_clocks,
+ .num_clks = ARRAY_SIZE(gcc_sc7180_clocks),
+ .resets = gcc_sc7180_resets,
+ .num_resets = ARRAY_SIZE(gcc_sc7180_resets),
+ .gdscs = gcc_sc7180_gdscs,
+ .num_gdscs = ARRAY_SIZE(gcc_sc7180_gdscs),
+};
+
+static const struct of_device_id gcc_sc7180_match_table[] = {
+ { .compatible = "qcom,gcc-sc7180" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, gcc_sc7180_match_table);
+
+static int gcc_sc7180_probe(struct platform_device *pdev)
+{
+ struct regmap *regmap;
+ int ret;
+
+ regmap = qcom_cc_map(pdev, &gcc_sc7180_desc);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ /*
+ * Disable the GPLL0 active input to MM blocks, NPU
+ * and GPU via MISC registers.
+ */
+ regmap_update_bits(regmap, GCC_MMSS_MISC, 0x3, 0x3);
+ regmap_update_bits(regmap, GCC_NPU_MISC, 0x3, 0x3);
+ regmap_update_bits(regmap, GCC_GPU_MISC, 0x3, 0x3);
+
+ ret = qcom_cc_register_rcg_dfs(regmap, gcc_dfs_clocks,
+ ARRAY_SIZE(gcc_dfs_clocks));
+ if (ret)
+ return ret;
+
+ return qcom_cc_really_probe(pdev, &gcc_sc7180_desc, regmap);
+}
+
+static struct platform_driver gcc_sc7180_driver = {
+ .probe = gcc_sc7180_probe,
+ .driver = {
+ .name = "gcc-sc7180",
+ .of_match_table = gcc_sc7180_match_table,
+ },
+};
+
+static int __init gcc_sc7180_init(void)
+{
+ return platform_driver_register(&gcc_sc7180_driver);
+}
+subsys_initcall(gcc_sc7180_init);
+
+static void __exit gcc_sc7180_exit(void)
+{
+ platform_driver_unregister(&gcc_sc7180_driver);
+}
+module_exit(gcc_sc7180_exit);
+
+MODULE_DESCRIPTION("QTI GCC SC7180 Driver");
+MODULE_LICENSE("GPL v2");
--
Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member
of the Code Aurora Forum, hosted by the Linux Foundation.


--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation