linux-kernel - Re: [PATCH v2] ARM: bcm2835: add device tree for Raspberry Pi model B+

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Date:	Wed, 19 Nov 2014 10:08:03 -0700
From:	Stephen Warren <swarren@...dotorg.org>
To:	Lee Jones <lee@...nel.org>,
	Matthias Klein <matthias.klein@...ux.com>
CC:	linux-rpi-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] ARM: bcm2835: add device tree for Raspberry Pi model
 B+

On 11/19/2014 08:29 AM, Lee Jones wrote:
>> The model B and B+ differ in the GPIO lines for ACT and PWR leds, and the
>> I2S interface.
>>
>> Signed-off-by: Matthias Klein <matthias.klein@...ux.com>
>> ---
>> Changes in v2:
>> - move the common parts between the B and B+ model into the new bcm2835-rpi.dtsi file
>>
>> - add the I2S signals to the B+ file which fix the problem that USB is not working
>>    with the current bcm2835-rpi-b.dts file on the B+.
>> ---
>>   arch/arm/boot/dts/Makefile               |  1 +
>>   arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 30 +++++++++++++++++++
>>   arch/arm/boot/dts/bcm2835-rpi-b.dts      | 46 ++--------------------------
>>   arch/arm/boot/dts/bcm2835-rpi.dtsi       | 51 ++++++++++++++++++++++++++++++++
>>   4 files changed, 85 insertions(+), 43 deletions(-)
>>   create mode 100644 arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
>>   create mode 100644 arch/arm/boot/dts/bcm2835-rpi.dtsi
>
> Sorry for the delay.  I thought RPi world was exceptionally quiet, but
> in fact I had issues with my newly setup mailbox and filters.  All
> rectified now in any case.
>
> It might be worth noting that this will not likely land in v3.19, as
> we are one step removed from Linus (i.e. via ARM SoC) and they usually
> like to have pull-requests in by -rc5.  Unless anyone stamps their
> feet, I'll be sending this no sooner than v3.20.

-rc6 is the usual cut-off, and the arm-soc maintainers have said that's 
not always a very strict cut-off; it depends on how invasive the patch 
is (which this isn't) and whether the patch has been in linux-next 
already before getting into arm-soc (and linux-rpi.git's for-next branch 
is in linux-next).
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