linux-kernel - Re: [PATCH] coretemp: fix junction temperature for Intel CE4100

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Date:	Thu, 23 Dec 2010 10:57:11 +0100
From:	Florian Fainelli <ffainelli@...ebox.fr>
To:	linux-kernel@...r.kernel.org
Cc:	Dirk Brandewie <dirk.brandewie@...il.com>, sodaville@...utronix.de,
	Fenghua Yu <fenghua.yu@...el.com>
Subject: Re: [PATCH] coretemp: fix junction temperature for Intel CE4100

On Tuesday 14 December 2010 22:17:07 Florian Fainelli wrote:
> From: Florian Fainelli <ffainelli@...ebox.fr>
> 
> The Intel CE4100 System-on-a-Chip has a slightly higher junction
> temperature (110 degrees Celsius) than other Atom-based hardware.
> 
> Cc: Dirk Brandewie <dirk.brandewie@...il.com>
> Cc: sodaville@...utronix.de
> Cc: Fenghua Yu <fenghua.yu@...el.com>
> Signed-off-by: Florian Fainelli <ffainelli@...ebox.fr>

Fenghua, is there anything wrong with that patch? Thank you.

> ---
> diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
> index 42de98d..e47b405 100644
> --- a/drivers/hwmon/coretemp.c
> +++ b/drivers/hwmon/coretemp.c
> @@ -178,12 +178,23 @@ static int __devinit adjust_tjmax(struct cpuinfo_x86
> *c, u32 id, struct device *
> 
>  		host_bridge = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0));
> 
> -		if (host_bridge && host_bridge->vendor == PCI_VENDOR_ID_INTEL
> -		    && (host_bridge->device == 0xa000	/* NM10 based nettop */
> -		    || host_bridge->device == 0xa010))	/* NM10 based netbook */
> -			tjmax = 100000;
> -		else
> -			tjmax = 90000;
> +		if (host_bridge && host_bridge->vendor == PCI_VENDOR_ID_INTEL) {
> +			switch (host_bridge->device) {
> +			/* NM10 based nettop */
> +			case 0xa000:
> +			/* NM10 based netbook */
> +			case 0xa010:
> +				tjmax = 100000;
> +				break;
> +			/* IntelCE Sodaville (CE4100) */
> +			case 0x0708:
> +				tjmax = 110000;
> +				break;
> +			default:
> +				tjmax = 90000;
> +				break;
> +			}
> +		}
> 
>  		pci_dev_put(host_bridge);
>  	}
--
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