linux-kernel - Re: [PATCH] USB/host: Cleanup unneccessary irq disable code

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Date:	Tue, 4 Sep 2012 11:08:17 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	"Liu, Chuansheng" <chuansheng.liu@...el.com>
cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"tglx@...utronix.de" <tglx@...utronix.de>
Subject: Re: [PATCH] USB/host: Cleanup unneccessary irq disable code

On Sat, 1 Sep 2012, Liu, Chuansheng wrote:

> From: liu chuansheng <chuansheng.liu@...el.com>
> Subject: [PATCH] USB/host: Cleanup unneccessary irq disable code
> 
> Because the IRQF_DISABLED as the flag is now a NOOP and has been
> deprecated and in hardirq context the interrupt is disabled.
> 
> so in usb/host code:
> Removing the usage of flag IRQF_DISABLED;
> Removing the calling local_irq save/restore actions in irq
> handler usb_hcd_irq();
> 
> Signed-off-by: liu chuansheng <chuansheng.liu@...el.com>

Acked-by: Alan Stern <stern@...land.harvard.edu>

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