linux-kernel - Re: [PATCH] irqchip: bcm2835: Add FIQ support

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Date:	Wed, 16 Sep 2015 10:02:32 -0400
From:	Eric Anholt <eric@...olt.net>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Noralf Trønnes <noralf@...nnes.org>,
	tglx@...utronix.de, jason@...edaemon.net,
	linux-rpi-kernel@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] irqchip: bcm2835: Add FIQ support

Russell King - ARM Linux <linux@....linux.org.uk> writes:

> On Mon, Sep 14, 2015 at 07:33:09AM -0700, Eric Anholt wrote:
>> So, while FIQ isn't used in upstream, I think it's worthwhile to merge.
>> It is another step to bringing the downstream developers into the fold.
>
> I want to see the code _first_.  Until then, I'm sorry, this patch can't
> go in.

If you just want to see "Yes, GPL-compatible code using this is
available", then that is:

https://github.com/raspberrypi/linux/blob/rpi-4.1.y/drivers/usb/host/dwc_otg/dwc_otg_fiq_stub.S
https://github.com/raspberrypi/linux/blob/rpi-4.1.y/drivers/usb/host/dwc_otg/dwc_otg_fiq_fsm.c

If not, I'm curious what exactly is the reason the patch can't go in.

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