linux-kernel - Re: [PATCH v2 01/13] ARM: kill off set_irq

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Date:	Tue, 14 Jul 2015 23:14:45 +0200
From:	Robert Jarzmik <robert.jarzmik@...e.fr>
To:	Rob Herring <robh@...nel.org>
Cc:	linux-arm-kernel@...ts.infradead.org,
	Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org, arm@...nel.org,
	Sekhar Nori <nsekhar@...com>,
	Kevin Hilman <khilman@...prootsystems.com>,
	Jason Cooper <jason@...edaemon.net>,
	Andrew Lunn <andrew@...n.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	Shawn Guo <shawn.guo@...aro.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Imre Kaloz <kaloz@...nwrt.org>,
	Greg Ungerer <gerg@...inux.org>,
	Roland Stigge <stigge@...com.de>,
	Tony Lindgren <tony@...mide.com>,
	Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Simtec Linux Team <linux@...tec.co.uk>,
	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	linux-omap@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v2 01/13] ARM: kill off set_irq_flags usage

Rob Herring <robh@...nel.org> writes:

> set_irq_flags is ARM specific with custom flags which have genirq
> equivalents. Convert drivers to use the genirq interfaces directly, so we
> can kill off set_irq_flags. The translation of flags is as follows:
>
> IRQF_VALID -> !IRQ_NOREQUEST
> IRQF_PROBE -> !IRQ_NOPROBE
> IRQF_NOAUTOEN -> IRQ_NOAUTOEN
>
> For IRQs managed by an irqdomain, the irqdomain core code handles clearing
> and setting IRQ_NOREQUEST already, so there is no need to do this in
> .map() functions and we can simply remove the set_irq_flags calls. Some
> users also set IRQ_NOPROBE and this has been maintained although it is not
> clear that is really needed. There appears to be a great deal of blind
> copy and paste of this code.

As this works for several pxa boards :
Acked-by: Robert Jarzmik <robert.jarzmik@...e.fr>

-- 
Robert
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