linux-kernel - Re: [PATCH 0/5] clk: at91: fix USB clk support on at91rm9200/sam9 SoCs

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Date:	Tue, 02 Sep 2014 15:38:46 -0700
From:	Mike Turquette <mturquette@...aro.org>
To:	Boris BREZILLON <boris.brezillon@...e-electrons.com>,
	"Nicolas Ferre" <nicolas.ferre@...el.com>,
	"Jean-Christophe Plagniol-Villard" <plagnioj@...osoft.com>,
	"Alexandre Belloni" <alexandre.belloni@...e-electrons.com>,
	"Andrew Victor" <linux@...im.org.za>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Gaël PORTAY <gael.portay@...il.com>,
	"Boris BREZILLON" <boris.brezillon@...e-electrons.com>
Subject: Re: [PATCH 0/5] clk: at91: fix USB clk support on at91rm9200/sam9 SoCs

Quoting Boris BREZILLON (2014-09-02 00:50:13)
> Hi,
> 
> This patch series fixes several bugs in the PLL driver preventing a proper
> set_rate on the PLL clk.
> It also enables propagation of set_rate request on the USB clk in order to
> configure the PLL rate according to the USB block requirement (48 MHz).
> 
> Note that existing kernels, relying on the PLL configuration made by the
> the bootloader should not be impacted by this bug, but others (those
> directly booting from at91bootstrap or not enabling USB support in the
> bootloader) will be.
> 
> This bug was reported by Gaël, who's directly booting the kernel from the
> bootstrap.

Applied to clk-next.

Regards,
Mike

> 
> Best Regards,
> 
> Boris
> 
> Boris BREZILLON (5):
>   clk: at91: fix PLL_MAX_COUNT macro definition
>   clk: at91: rework PLL rate calculation
>   clk: at91: fix recalc_rate implementation of PLL driver
>   clk: at91: rework rm9200 USB clock to propagate set_rate to the parent
>     clk
>   clk: at91: fix div by zero in USB clock driver
> 
>  drivers/clk/at91/clk-pll.c | 160 +++++++++++++++++++++++----------------------
>  drivers/clk/at91/clk-usb.c |  20 ++++--
>  2 files changed, 96 insertions(+), 84 deletions(-)
> 
> -- 
> 1.9.1
> 
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