From: gregory.clement@free-electrons•com (Gregory CLEMENT)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH] thermal: armada: Update Armada 380 thermal sensor coefficients
Date: Mon, 27 Apr 2015 09:40:54 +0200 [thread overview]
Message-ID: <553DE806.4030905@free-electrons.com> (raw)
In-Reply-To: <1429117688-27100-1-git-send-email-gregory.clement@free-electrons.com>
Hi Zhang, Eduardo,
On 15/04/2015 19:08, Gregory CLEMENT wrote:
> From: Nadav Haklai <nadavh@marvell•com>
>
> 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@marvell•com>
> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons•com>
> Cc: <stable@vger•kernel.org> #v3.16
Any chance that this fix was merged in 4.1-rc ?
Thanks,
Gregory
> ---
> 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 c2556cf5186b..01255fd65135 100644
> --- a/drivers/thermal/armada_thermal.c
> +++ b/drivers/thermal/armada_thermal.c
> @@ -224,9 +224,9 @@ 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,
> };
>
>
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
next prev parent reply other threads:[~2015-04-27 7:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-15 17:08 [PATCH] thermal: armada: Update Armada 380 thermal sensor coefficients Gregory CLEMENT
2015-04-27 7:40 ` Gregory CLEMENT [this message]
2015-05-06 12:45 ` Gregory CLEMENT
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