linux-kernel - Re: [PATCH 6/6] thermal: Add Tegra SOCTHERM thermal management driver

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Message-ID: <53B348AE.20605@iki.fi>
Date:	Wed, 02 Jul 2014 02:47:58 +0300
From:	Tuomas Tynkkynen <tuomas.tynkkynen@....fi>
To:	Mikko Perttunen <mperttunen@...dia.com>, rui.zhang@...el.com,
	edubezval@...il.com, swarren@...dotorg.org,
	thierry.reding@...il.com, pdeschrijver@...dia.com,
	mlongnecker@...dia.com
CC:	linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 6/6] thermal: Add Tegra SOCTHERM thermal management driver

On 27/06/14 11:11, Mikko Perttunen wrote:
> +	/* Sign extend from 6 bits to 32 bits */
> +	shifted_cp = (s32)((val & 0x1f) | ((val & 0x20) ? 0xffffffe0 : 0x0));
> +	val = ((val & (0x1f << 21)) >> 21);
> +	/* Sign extend from 5 bits to 32 bits */
> +	shifted_ft = (s32)((val & 0xf) | ((val & 0x10) ? 0xfffffff0 : 0x0));

There's sign_extend32 in bitops.h
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