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From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 4/4] ARM: dts: add PCI to the Gemini DTSI
Date: Fri, 10 Feb 2017 16:40:47 +0100
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Cc: openwrt-devel@openwrt.org, Florian Fainelli <f.fainelli@gmail.com>,
 Paulius Zaleckas <paulius.zaleckas@gmail.com>,
 linux-pci <linux-pci@vger.kernel.org>,
 Hans Ulli Kroll <ulli.kroll@googlemail.com>,
 Bjorn Helgaas <bhelgaas@google.com>, Janos Laube <janos.dev@gmail.com>,
 Linus Walleij <linus.walleij@linaro.org>
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On Monday, February 6, 2017 10:55:03 AM CET Hans Ulli Kroll wrote:
> 
> from my IB 4220 sources.
> 
> #define IRQ_PCI_INTA                                   PCI_IRQ_OFFSET + 0
> #ifndef CONFIG_DUAL_PCI
> #define IRQ_PCI_INTB                                   PCI_IRQ_OFFSET + 1
> #define IRQ_PCI_INTC                                   PCI_IRQ_OFFSET + 2
> #define IRQ_PCI_INTD                                   PCI_IRQ_OFFSET + 3
> #else
> #define IRQ_PCI_INTB                                   27
> #define IRQ_PCI_INTC                                   28
> #define IRQ_PCI_INTD                                   29
> #endif
> 
> CONFIG_DUAL_PCI is never used
> IRQ_PCIB - IRQ_PCID or IRQ_PCI_INTB - IRQ_PCI_INTD are also never used.
> 
> 

The source code that Linus quoted earlier had references to 
'IRQ_PCI_INTA +n' though, which is basically the same thing.

	Arnd

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