linux-kernel - irqchip: sirfsoc: Question about SIRFSOC_NUM

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Date:	Thu, 04 Jul 2013 22:32:00 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Barry Song <Baohua.Song@....com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	linux-kernel@...r.kernel.org
Subject: irqchip: sirfsoc: Question about SIRFSOC_NUM_IRQS setting

irq_setup_generic_chip() setup max. 32 interrupts starting from gc->irq_base.

sirfsoc_irq_init()
  -> sirfsoc_alloc_gc()
    -> irq_setup_generic_chip()

In sirfsoc_irq_init(), current code calls
sirfsoc_alloc_gc(base + 4, 32, SIRFSOC_NUM_IRQS - 32); //Note, SIRFSOC_NUM_IRQS is 128

So I'm wondering if SIRFSOC_NUM_IRQS setting is correct or not.

PS. In initial commit 02c981c07bc95ac1e "ARM: CSR: Adding CSR SiRFprimaII board support"
SIRFSOC_INTENAL_IRQ_END is 59.

Regards,
Axel




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