linux-kernel - Re: [RFC v1 25/25] genirq: Kill the first parameter 'irq' of irq_flow_handler

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Date:	Wed, 20 May 2015 17:40:11 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Randy Dunlap <rdunlap@...radead.org>,
	Yinghai Lu <yinghai@...nel.org>,
	Borislav Petkov <bp@...en8.de>,
	Dan Williams <dan.j.williams@...el.com>,
	Vinod Koul <vinod.koul@...el.com>,
	Murali Karicheri <m-karicheri2@...com>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Steve Longerbeam <slongerbeam@...il.com>,
	Gilad Avidov <gavidov@...eaurora.org>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Tony Luck <tony.luck@...el.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	linux-acpi@...r.kernel.org, dmaengine@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [RFC v1 25/25] genirq: Kill the first parameter 'irq' of
 irq_flow_handler_t

On Wed, 20 May 2015, Jiang Liu wrote:
>  /* Chained IRQ handler for IPU error interrupt */
> -static void ipu_irq_err(unsigned int irq, struct irq_desc *desc)
> +static void ipu_irq_err(struct irq_desc *desc)
>  {
> +	unsigned int irq = irq_desc_to_irq(desc);

Why initializing? It's overwritten in the loop.

>  /* Chained IRQ handler for IPU function interrupt */
> -static void ipu_irq_fn(unsigned int irq, struct irq_desc *desc)
> +static void ipu_irq_fn(struct irq_desc *desc)
>  {
> +	unsigned int irq = irq_desc_to_irq(desc);

Ditto.

Thanks,

	tglx
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