lkml.org 
[lkml]   [2018]   [Dec]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] thermal: stm32: read factory settings properly
Date
Call stm_thermal_read_factory_settings once
internal peripheral is properly clocked.

To avoid wrong initialization of fmt0
(stm_thermal_sensor struct) member add
brackets properly.

Change-Id: I150d00fd50e382df04bfad12f0653b1ed6a1db1b
Signed-off-by: David Hernandez Sanchez <david.hernandezsanchez@st.com>

diff --git a/drivers/thermal/st/stm_thermal.c b/drivers/thermal/st/stm_thermal.c
index 47623da..bbd73c5 100644
--- a/drivers/thermal/st/stm_thermal.c
+++ b/drivers/thermal/st/stm_thermal.c
@@ -241,8 +241,8 @@ static int stm_thermal_read_factory_settings(struct stm_thermal_sensor *sensor)
sensor->t0 = TS1_T0_VAL1;

/* Retrieve fmt0 and put it on Hz */
- sensor->fmt0 = ADJUST * readl_relaxed(sensor->base + DTS_T0VALR1_OFFSET)
- & TS1_FMT0_MASK;
+ sensor->fmt0 = ADJUST * (readl_relaxed(sensor->base +
+ DTS_T0VALR1_OFFSET) & TS1_FMT0_MASK);

/* Retrieve ramp coefficient */
sensor->ramp_coeff = readl_relaxed(sensor->base + DTS_RAMPVALR_OFFSET) &
@@ -532,6 +532,10 @@ static int stm_thermal_prepare(struct stm_thermal_sensor *sensor)
if (ret)
return ret;

+ ret = stm_thermal_read_factory_settings(sensor);
+ if (ret)
+ goto thermal_unprepare;
+
ret = stm_thermal_calibration(sensor);
if (ret)
goto thermal_unprepare;
@@ -636,10 +640,6 @@ static int stm_thermal_probe(struct platform_device *pdev)
/* Populate sensor */
sensor->base = base;

- ret = stm_thermal_read_factory_settings(sensor);
- if (ret)
- return ret;
-
sensor->clk = devm_clk_get(&pdev->dev, "pclk");
if (IS_ERR(sensor->clk)) {
dev_err(&pdev->dev, "%s: failed to fetch PCLK clock\n",
--
2.7.4
\
 
 \ /
  Last update: 2018-12-06 10:14    [W:0.035 / U:10.084 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site