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authorOlof Johansson <olof@lixom.net>2014-07-22 09:17:18 -0700
committerOlof Johansson <olof@lixom.net>2014-07-22 09:17:18 -0700
commite9a86d96be0dff611156ea89fbb6eb91478bddab (patch)
treead38c21c76e1c275264cb20482a7f2bdd54618ba /drivers/thermal/imx_thermal.c
parentfc3791f3a95df5b76ecbda6952c13ff67251fd10 (diff)
parentad8adbf2c7d6269d0100f7f460f4837ece060977 (diff)
Merge tag 'sti-defconfig-for-v3.17-1' of git://git.stlinux.com/devel/kernel/linux-sti into next/defconfig
Merge "ARM: STi: defconfig changes for v3.17" from Maxime Coquelin: STi defconfig updates for v3.17 - Enable ST's Thermal controller driver - Enable ST's Keyscan driver - Enable ST's MiPHY365 Phy driver for STiH416 SATA & PCIe - Enable ST's AHCI driver. * tag 'sti-defconfig-for-v3.17-1' of git://git.stlinux.com/devel/kernel/linux-sti: ARM: multi_v7_defconfig: Enable MiPHY365x - ST's Generic (SATA & PCIe) PHY ARM: multi_v7_defconfig: Enable ST's (S)ATA driver ARM: multi_v7_defconfig: add ST Keyscan driver ARM: update multi_v7_defconfig for STI ARM: multi_v7_defconfig: Configure in ST's Thermal Controller + Linux 3.16-rc6 Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/thermal/imx_thermal.c')
-rw-r--r--drivers/thermal/imx_thermal.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c
index a99c63152b8d..2c516f2eebed 100644
--- a/drivers/thermal/imx_thermal.c
+++ b/drivers/thermal/imx_thermal.c
@@ -306,7 +306,7 @@ static int imx_get_sensor_data(struct platform_device *pdev)
{
struct imx_thermal_data *data = platform_get_drvdata(pdev);
struct regmap *map;
- int t1, t2, n1, n2;
+ int t1, n1;
int ret;
u32 val;
u64 temp64;
@@ -333,14 +333,10 @@ static int imx_get_sensor_data(struct platform_device *pdev)
/*
* Sensor data layout:
* [31:20] - sensor value @ 25C
- * [19:8] - sensor value of hot
- * [7:0] - hot temperature value
* Use universal formula now and only need sensor value @ 25C
* slope = 0.4297157 - (0.0015976 * 25C fuse)
*/
n1 = val >> 20;
- n2 = (val & 0xfff00) >> 8;
- t2 = val & 0xff;
t1 = 25; /* t1 always 25C */
/*
@@ -366,16 +362,16 @@ static int imx_get_sensor_data(struct platform_device *pdev)
data->c2 = n1 * data->c1 + 1000 * t1;
/*
- * Set the default passive cooling trip point to 20 °C below the
- * maximum die temperature. Can be changed from userspace.
+ * Set the default passive cooling trip point,
+ * can be changed from userspace.
*/
- data->temp_passive = 1000 * (t2 - 20);
+ data->temp_passive = IMX_TEMP_PASSIVE;
/*
- * The maximum die temperature is t2, let's give 5 °C cushion
- * for noise and possible temperature rise between measurements.
+ * The maximum die temperature set to 20 C higher than
+ * IMX_TEMP_PASSIVE.
*/
- data->temp_critical = 1000 * (t2 - 5);
+ data->temp_critical = 1000 * 20 + data->temp_passive;
return 0;
}