[PATCH 02/11] clk: tegra: dfll: Move SoC specific data into of_device_id

From: Penny Chiu
Date: Fri Apr 22 2016 - 06:32:23 EST


Move all SoC specific fcpu data into of_device_id structure, and
move SoC fcpu data assignments from init function to probe
function.

Signed-off-by: Penny Chiu <pchiu@xxxxxxxxxx>
---
drivers/clk/tegra/clk-tegra124-dfll-fcpu.c | 51 ++++++++++++++++++++++--------
1 file changed, 37 insertions(+), 14 deletions(-)

diff --git a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
index 5e5958e..b577bc6 100644
--- a/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
+++ b/drivers/clk/tegra/clk-tegra124-dfll-fcpu.c
@@ -21,6 +21,7 @@
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <soc/tegra/fuse.h>

@@ -28,8 +29,15 @@
#include "clk-dfll.h"
#include "cvb.h"

+struct dfll_fcpu_data {
+ const unsigned long *cpu_max_freq_table;
+ unsigned int cpu_max_freq_table_size;
+ const struct cvb_table *cpu_cvb_tables;
+ unsigned int cpu_cvb_tables_size;
+};
+
/* Maximum CPU frequency, indexed by CPU speedo id */
-static const unsigned long cpu_max_freq_table[] = {
+static const unsigned long tegra124_cpu_max_freq_table[] = {
[0] = 2014500000UL,
[1] = 2320500000UL,
[2] = 2116500000UL,
@@ -79,18 +87,39 @@ static const struct cvb_table tegra124_cpu_cvb_tables[] = {
},
};

+static const struct dfll_fcpu_data tegra124_dfll_fcpu_data = {
+ .cpu_max_freq_table = tegra124_cpu_max_freq_table,
+ .cpu_max_freq_table_size = ARRAY_SIZE(tegra124_cpu_max_freq_table),
+ .cpu_cvb_tables = tegra124_cpu_cvb_tables,
+ .cpu_cvb_tables_size = ARRAY_SIZE(tegra124_cpu_cvb_tables)
+};
+
+static const struct of_device_id tegra124_dfll_fcpu_of_match[] = {
+ {
+ .compatible = "nvidia,tegra124-dfll",
+ .data = &tegra124_dfll_fcpu_data
+ },
+ { },
+};
+MODULE_DEVICE_TABLE(of, tegra124_dfll_fcpu_of_match);
+
static int tegra124_dfll_fcpu_probe(struct platform_device *pdev)
{
int process_id, speedo_id, speedo_value, ret;
struct rail_alignment align;
struct tegra_dfll_soc_data *soc;
const struct cvb_table *cvb;
+ const struct of_device_id *of_id;
+ const struct dfll_fcpu_data *fcpu_data;
+
+ of_id = of_match_device(tegra124_dfll_fcpu_of_match, &pdev->dev);
+ fcpu_data = of_id->data;

process_id = tegra_sku_info.cpu_process_id;
speedo_id = tegra_sku_info.cpu_speedo_id;
speedo_value = tegra_sku_info.cpu_speedo_value;

- if (speedo_id >= ARRAY_SIZE(cpu_max_freq_table)) {
+ if (speedo_id >= fcpu_data->cpu_max_freq_table_size) {
dev_err(&pdev->dev, "unknown max CPU freq for speedo_id=%d\n",
speedo_id);
return -ENODEV;
@@ -121,12 +150,12 @@ static int tegra124_dfll_fcpu_probe(struct platform_device *pdev)
return -EINVAL;
}

- cvb = tegra_cvb_build_opp_table(tegra124_cpu_cvb_tables,
- ARRAY_SIZE(tegra124_cpu_cvb_tables),
- &align,
- process_id, speedo_id, speedo_value,
- cpu_max_freq_table[speedo_id],
- soc->dev);
+ cvb = tegra_cvb_build_opp_table(fcpu_data->cpu_cvb_tables,
+ fcpu_data->cpu_cvb_tables_size,
+ &align,
+ process_id, speedo_id, speedo_value,
+ fcpu_data->cpu_max_freq_table[speedo_id],
+ soc->dev);
if (IS_ERR(cvb)) {
dev_err(&pdev->dev, "couldn't build OPP table: %ld\n",
PTR_ERR(cvb));
@@ -142,12 +171,6 @@ static int tegra124_dfll_fcpu_probe(struct platform_device *pdev)
return tegra_dfll_register(pdev, soc);
}

-static const struct of_device_id tegra124_dfll_fcpu_of_match[] = {
- { .compatible = "nvidia,tegra124-dfll", },
- { },
-};
-MODULE_DEVICE_TABLE(of, tegra124_dfll_fcpu_of_match);
-
static const struct dev_pm_ops tegra124_dfll_pm_ops = {
SET_RUNTIME_PM_OPS(tegra_dfll_runtime_suspend,
tegra_dfll_runtime_resume, NULL)
--
2.8.1