linux-kernel - Re: [PATCH] tty: omap-serial: fix boot hang by converting to use a threaded IRQ handler (was Re: [PATCH] irq: always set IRQF_ONESHOT if no primary handler is specified)

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Message-ID: <alpine.DEB.2.00.1108231120110.17575@utopia.booyaka.com>
Date:	Tue, 23 Aug 2011 11:21:14 -0600 (MDT)
From:	Paul Walmsley <paul@...an.com>
To:	Felipe Balbi <balbi@...com>
cc:	linux-serial@...r.kernel.org, Alan Cox <alan@...ux.intel.com>,
	Pantelis Antoniou <pantelis.antoniou@...il.com>,
	linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	torvalds@...ux-foundation.org, mporter@...com,
	Kevin Hilman <khilman@...com>,
	"Govindraj.R" <govindraj.raja@...com>
Subject: Re: [PATCH] tty: omap-serial: fix boot hang by converting to use a
 threaded IRQ handler (was Re: [PATCH] irq: always set IRQF_ONESHOT if no
 primary handler is specified)

On Tue, 23 Aug 2011, Felipe Balbi wrote:

> if you're not running on a slow bus, you should use top half to check if
> IRQs are really from this device.

I don't think this applies in this case, since the IRQ isn't shared 
between different hardware devices - it's shared for the purposes of a 
software hack.


- Paul
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