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: Fix stm_thermal_read_factory_settings
Date
Adding brackets allows to multiply the register value,
masked by TS1_RAMP_COEFF_MASK, by an ADJUST value
properly and not to multiply ADJUST by register value and
then mask the whole.

Signed-off-by: David Hernandez Sanchez <david.hernandezsanchez@st.com>
Fixes: 1d693155 ("thermal: add stm32 thermal driver")

diff --git a/drivers/thermal/st/stm_thermal.c b/drivers/thermal/st/stm_thermal.c
index daa1257..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) &
--
2.7.4
\
 
 \ /
  Last update: 2018-12-06 14:24    [W:0.036 / U:2.928 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site