From: Nadav Haklai <nadavh@xxxxxxxxxxx> [ Upstream commit efa86858e1d8970411a140fa1e0c4dd18a8f2a89 ] Improve the Armada 380 thermal sensor accuracy by using updated formula. The updated formula is: Temperature[C degrees] = 0.4761 * tsen_vsen_out - 279.1 Signed-off-by: Nadav Haklai <nadavh@xxxxxxxxxxx> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> #v3.16 Signed-off-by: Eduardo Valentin <edubezval@xxxxxxxxx> Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx> --- drivers/thermal/armada_thermal.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c index 9d1420a..e6f1acc 100644 --- a/drivers/thermal/armada_thermal.c +++ b/drivers/thermal/armada_thermal.c @@ -240,9 +240,9 @@ static const struct armada_thermal_data armada380_data = { .is_valid_shift = 10, .temp_shift = 0, .temp_mask = 0x3ff, - .coef_b = 1169498786UL, - .coef_m = 2000000UL, - .coef_div = 4289, + .coef_b = 2931108200UL, + .coef_m = 5000000UL, + .coef_div = 10502, .inverted = true, }; -- 2.1.0 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html