ipq806x: backport cpufreq changes to 5.4

[openwrt/openwrt.git] / target / linux / ipq806x / patches-5.4 / 093-drivers-cpufreq-qcom-cpufreq-nvmem-support-specific-.patch

diff --git a/target/linux/ipq806x/patches-5.4/093-drivers-cpufreq-qcom-cpufreq-nvmem-support-specific-.patch b/target/linux/ipq806x/patches-5.4/093-drivers-cpufreq-qcom-cpufreq-nvmem-support-specific-.patch
new file mode 100644 (file)
index 0000000..19c3d09
--- /dev/null
+++ b/target/linux/ipq806x/patches-5.4/093-drivers-cpufreq-qcom-cpufreq-nvmem-support-specific-.patch
@@ -0,0 +1,51 @@
+From a206d4061f1cc2c5cd17ee45c53a0ba711e48e6d Mon Sep 17 00:00:00 2001
+From: Ansuel Smith <ansuelsmth@gmail.com>
+Date: Sun, 7 Feb 2021 16:42:52 +0100
+Subject: [PATCH 3/3] drivers: cpufreq: qcom-cpufreq-nvmem: support specific
+ cpufreq driver
+
+Add support for specific cpufreq driver for qcom-cpufreq-nvmem driver.
+
+Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
+---
+ drivers/cpufreq/qcom-cpufreq-nvmem.c | 15 +++++++++++++++
+ 1 file changed, 15 insertions(+)
+
+--- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
++++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
+@@ -52,6 +52,7 @@ struct qcom_cpufreq_match_data {
+                          char **pvs_name,
+                          struct qcom_cpufreq_drv *drv);
+       const char **genpd_names;
++      const char *cpufreq_driver;
+ };
+ 
+ struct qcom_cpufreq_drv {
+@@ -250,6 +251,7 @@ static const struct qcom_cpufreq_match_d
+ 
+ static const struct qcom_cpufreq_match_data match_data_krait = {
+       .get_version = qcom_cpufreq_krait_name_version,
++      .cpufreq_driver = "krait-cpufreq",
+ };
+ 
+ static const char *qcs404_genpd_names[] = { "cpr", NULL };
+@@ -385,6 +387,19 @@ static int qcom_cpufreq_probe(struct pla
+               }
+       }
+ 
++      if (drv->data->cpufreq_driver) {
++              cpufreq_dt_pdev = platform_device_register_simple(
++                      drv->data->cpufreq_driver, -1, NULL, 0);
++              if (!IS_ERR(cpufreq_dt_pdev)) {
++                      platform_set_drvdata(pdev, drv);
++                      return 0;
++              } else {
++                      dev_err(cpu_dev,
++                              "Failed to register dedicated %s cpufreq\n",
++                              drv->data->cpufreq_driver);
++              }
++      }
++
+       cpufreq_dt_pdev = platform_device_register_simple("cpufreq-dt", -1,
+                                                         NULL, 0);
+       if (!IS_ERR(cpufreq_dt_pdev)) {