[03/10] thermal: tegra: Constify SoC-specific data

Commit Message

Thierry Reding April 14, 2023, 12:57 p.m. UTC

From: Thierry Reding <[e-mail]>

The SoC-specific parameter structure is read-only data, so consistently
use const to mark it as such.

Signed-off-by: Thierry Reding <[e-mail]>
---
 drivers/thermal/tegra/soctherm.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

Patch

diff --git a/drivers/thermal/tegra/soctherm.c b/drivers/thermal/tegra/soctherm.c
index ca39340cd93f..958fa10de516 100644
--- a/drivers/thermal/tegra/soctherm.c
+++ b/drivers/thermal/tegra/soctherm.c
@@ -339,7 +339,7 @@  struct tegra_soctherm {
 
 	u32 *calib;
 	struct thermal_zone_device **thermctl_tzs;
-	struct tegra_soctherm_soc *soc;
+	const struct tegra_soctherm_soc *soc;
 
 	struct soctherm_throt_cfg throt_cfgs[THROTTLE_SIZE];
 
@@ -2054,19 +2054,15 @@  MODULE_DEVICE_TABLE(of, tegra_soctherm_of_match);
 
 static int tegra_soctherm_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *match;
 	struct tegra_soctherm *tegra;
 	struct thermal_zone_device *z;
 	struct tsensor_shared_calib shared_calib;
-	struct tegra_soctherm_soc *soc;
+	const struct tegra_soctherm_soc *soc;
 	unsigned int i;
 	int err;
 
-	match = of_match_node(tegra_soctherm_of_match, pdev->dev.of_node);
-	if (!match)
-		return -ENODEV;
+	soc = device_get_match_data(&pdev->dev);
 
-	soc = (struct tegra_soctherm_soc *)match->data;
 	if (soc->num_ttgs > TEGRA124_SOCTHERM_SENSOR_NUM)
 		return -EINVAL;
 
@@ -2222,7 +2218,7 @@  static int __maybe_unused soctherm_suspend(struct device *dev)
 static int __maybe_unused soctherm_resume(struct device *dev)
 {
 	struct tegra_soctherm *tegra = dev_get_drvdata(dev);
-	struct tegra_soctherm_soc *soc = tegra->soc;
+	const struct tegra_soctherm_soc *soc = tegra->soc;
 	int err, i;
 
 	err = soctherm_clk_enable(tegra, true);