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SubjectRE: [PATCHv4 2/3] ARM: mx51: Implement code to allow mx51 to enter WFI
Date
Hi Fabio,

>-----Original Message-----
>From: Fabio Estevam [mailto:festevam@gmail.com]
>Sent: Friday, March 18, 2011 10:31 AM
>To: Nguyen Dinh-R00091
>Cc: linux-kernel@vger.kernel.org; linux-arm-kernel@lists.infradead.org;
>linux@arm.linux.org.uk; s.hauer@pengutronix.de; u.kleine-
>koenig@pengutronix.de; arnaud.patard@rtp-net.org; Vaidyanathan Ranjani-
>RA5478; Zhang Lily-R58066
>Subject: Re: [PATCHv4 2/3] ARM: mx51: Implement code to allow mx51 to
>enter WFI
>
>Hi Dinh,
>
>On Fri, Mar 18, 2011 at 12:21 PM, <Dinh.Nguyen@freescale.com> wrote:
>...
>> +       /* Enable NEON SRPG for all but MX50TO1.0. */
>> +       if (cpu_is_mx51() || cpu_is_mx53())
>> +               __raw_writel(arm_srpgcr, MXC_SRPG_NEON_SRPGCR);
>
>The comment says that NEON SRPG should not be enabled for MX50 TO1.0,
>but your code does not check the MX50 silicon revision.

There is no mechanism for checking MX50 Revisions yet. I'll work on adding the MX50 revision check.

Dinh
>
>Regards,
>
>Fabio Estevam

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