linux-kernel - Re: [PATCH v3 2/3] clk: stm32: Add clock driver for STM32F4[23]xxx devices

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Date:	Tue, 23 Jun 2015 09:25:17 +0100
From:	Daniel Thompson <daniel.thompson@...aro.org>
To:	Stephen Boyd <sboyd@...eaurora.org>
CC:	Mike Turquette <mturquette@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Maxime Coquelin <mcoquelin.stm32@...il.com>,
	Kamil Lulko <rev13@...pl>, Andreas Farber <afaerber@...e.de>,
	linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	patches@...aro.org, linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH v3 2/3] clk: stm32: Add clock driver for STM32F4[23]xxx
 devices

On 23/06/15 00:21, Stephen Boyd wrote:
> On 06/10, Daniel Thompson wrote:
>> The driver supports decoding and statically modelling PLL state (i.e.
>> we inherit state from bootloader) and provides support for all
>> peripherals that support simple one-bit gated clocks. The covers all
>> peripherals whose clocks come from the AHB, APB1 or APB2 buses.
>>
>> It has been tested on an STM32F429I-Discovery board. The clock counts
>> for TIM2, USART1 and SYSTICK are all set correctly and the wall clock
>> looks OK when checked with a stopwatch. I have also tested a prototype
>> driver for the RNG hardware. The RNG clock is correctly enabled by the
>> framework (also did inverse test and proved that by changing DT to
>> configure the wrong clock bit then we observe the RNG driver to fail).
>>
>> Signed-off-by: Daniel Thompson <daniel.thompson@...aro.org>
>> Reviewed-by: Maxime Coquelin <mcoquelin.stm32@...il.com>
>
> I also squashed in some sparse fixes. Please check.

That was extremely generous! Thanks.

The changes all eyeball OK but I'll double check things tonight just in 
case.


Daniel.

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