cpufreq: imx-cpufreq-dt: Remove global platform match list

This is not currently needed, instead a platform device is always created
from SOC-specific code.

We can use of_machine_is_compatible for per-SOC behavior instead.

Suggested-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

diff --git a/drivers/cpufreq/imx-cpufreq-dt.c b/drivers/cpufreq/imx-cpufreq-dt.c
index 35b6717d7255e6eed99f4b0c7b9cde61ba2ca558..b54fd26ea7dfe5506bb9d10f894b1b571233c7a0 100644 (file)
--- a/drivers/cpufreq/imx-cpufreq-dt.c
+++ b/drivers/cpufreq/imx-cpufreq-dt.c
@@ -19,12 +19,6 @@
 #define OCOTP_CFG3_MKT_SEGMENT_SHIFT    6
 #define OCOTP_CFG3_MKT_SEGMENT_MASK     (0x3 << 6)
 
-static const struct of_device_id imx_cpufreq_dt_match_list[] = {
-       { .compatible = "fsl,imx8mm" },
-       { .compatible = "fsl,imx8mq" },
-       {}
-};
-
 /* cpufreq-dt device registered by imx-cpufreq-dt */
 static struct platform_device *cpufreq_dt_pdev;
 static struct opp_table *cpufreq_opp_table;
@@ -32,18 +26,10 @@ static struct opp_table *cpufreq_opp_table;
 static int imx_cpufreq_dt_probe(struct platform_device *pdev)
 {
        struct device *cpu_dev = get_cpu_device(0);
-       struct device_node *np;
-       const struct of_device_id *match;
        u32 cell_value, supported_hw[2];
        int speed_grade, mkt_segment;
        int ret;
 
-       np = of_find_node_by_path("/");
-       match = of_match_node(imx_cpufreq_dt_match_list, np);
-       of_node_put(np);
-       if (!match)
-               return -ENODEV;
-
        ret = nvmem_cell_read_u32(cpu_dev, "speed_grade", &cell_value);
        if (ret)
                return ret;
@@ -61,8 +47,8 @@ static int imx_cpufreq_dt_probe(struct platform_device *pdev)
         * Applies to 8mq and 8mm.
         */
        if (mkt_segment == 0 && speed_grade == 0 && (
-                       !strcmp(match->compatible, "fsl,imx8mm") ||
-                       !strcmp(match->compatible, "fsl,imx8mq")))
+                       of_machine_is_compatible("fsl,imx8mm") ||
+                       of_machine_is_compatible("fsl,imx8mq")))
                speed_grade = 1;
 
        supported_hw[0] = BIT(speed_grade);