From: Greg KH <gregkh@linuxfoundation.org>
To: Gabor Juhos <juhosg@openwrt.org>
Cc: stable@vger.kernel.org, linux-mips@linux-mips.org,
Ralf Baechle <ralf@linux-mips.org>
Subject: Re: [PATCH stable] MIPS: ath79: Fix CPU/DDR frequency calculation for SRIF PLLs
Date: Mon, 15 Oct 2012 13:17:19 -0700 [thread overview]
Message-ID: <20121015201719.GB16888@kroah.com> (raw)
In-Reply-To: <1350231436-27436-1-git-send-email-juhosg@openwrt.org>
On Sun, Oct 14, 2012 at 06:17:16PM +0200, Gabor Juhos wrote:
> commit 97541ccfb9db2bb9cd1dde6344d5834438d14bda upstream.
>
> Besides the CPU and DDR PLLs, the CPU and DDR frequencies
> can be derived from other PLLs in the SRIF block on the
> AR934x SoCs. The current code does not checks if the SRIF
> PLLs are used and this can lead to incorrectly calculated
> CPU/DDR frequencies.
>
> Fix it by calculating the frequencies from SRIF PLLs if
> those are used on a given board.
>
> Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
> Cc: linux-mips@linux-mips.org
> Patchwork: https://patchwork.linux-mips.org/patch/4324/
> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
> ---
> The original change was a candidate for stable (3.5+) however it was
> rejected during the stable-review process due to conflicts in
> 'arch/mips/include/asm/mach-ath79/ar71xx_regs.h'
>
> This is a backport of the aforementioned commit, and it is applicable
> to 3.5.7 and 3.6.2.
3.5 is now end-of-life, but 3.6 is still alive, so I've applied this
there.
greg k-h
parent reply other threads:[~2012-10-15 20:17 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <1350231436-27436-1-git-send-email-juhosg@openwrt.org>]
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