From 65e673b650df6d7975767670bb8bd4488b13220a Mon Sep 17 00:00:00 2001 From: Dong Aisheng Date: Wed, 13 Sep 2017 22:23:21 +0800 Subject: [PATCH] MLK-16470 thermal: imx_thermal: fix wrong thermal grade register read for MX7D From MX7D Fuse Map v2.9, the thermal grade register is 0x440[7:6], not 0x480[7:6] as before. Fixes: 2045abb4391a ("MLK-11518-01 thermal: imx: add thermal support for imx7") Reviewed-by: Bai Ping Signed-off-by: Dong Aisheng --- drivers/thermal/imx_thermal.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/thermal/imx_thermal.c b/drivers/thermal/imx_thermal.c index 4b1ade83f9b3..deb2d16f893f 100644 --- a/drivers/thermal/imx_thermal.c +++ b/drivers/thermal/imx_thermal.c @@ -85,7 +85,7 @@ #define IMX6_OCOTP_ANA1 0x04e0 #define IMX7_OCOTP_ANA1 0x04f0 - +#define IMX7_OCOTP_TESTER3 0x0440 /* The driver supports 1 passive trip point and 1 critical trip point */ enum imx_thermal_trip { @@ -627,7 +627,11 @@ static int imx_get_sensor_data(struct platform_device *pdev) imx6_calibrate_data(data, val); /* use OTP for thermal grade */ - ret = regmap_read(map, OCOTP_MEM0, &val); + if (data->socdata->version == TEMPMON_IMX7) + ret = regmap_read(map, IMX7_OCOTP_TESTER3, &val); + else + ret = regmap_read(map, OCOTP_MEM0, &val); + if (ret) { dev_err(&pdev->dev, "failed to read temp grade: %d\n", ret); return ret;