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From: David Brownell <david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
To: "Arve Hjønnevåg" <arve-z5hGa2qSFaRBDgjK7y7TUQ@public.gmane.org>
Cc: Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
	Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
	Mark Brown
	<broonie-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>,
	Dmitry Torokhov
	<dmitry.torokhov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Trilok Soni <soni.trilok-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>,
	kernel list
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Brian Swetland <swetland-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Andrew Morton <akpm-3NddpPZAyC0@public.gmane.org>,
	linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Joonyoung Shim
	<jy0922.shim-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>,
	m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
	t.fujak-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
	kyungmin.park-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
	Daniel Ribeiro <drwyrm-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: Threaded interrupts for synaptic touchscreen in HTC dream
Date: Wed, 22 Jul 2009 15:15:06 -0700	[thread overview]
Message-ID: <200907221515.07835.david-b@pacbell.net> (raw)
In-Reply-To: <d6200be20907221457r4e2f6d29g57146586fd13776a-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Wednesday 22 July 2009, Arve Hjønnevåg wrote:
> It would also be useful to mask an edge triggered interrupt until the
> thread handler has finished. The touchscreen on the G1 is connected to
> an edge triggered interrupt, and the touchscreen may toggle the
> interrupt line while reading its registers.

To clarify:  if it does toggle, do you want that event to be
queued up so the IRQ is re-issued -- or not?  That "oneshot"
mechanism does some of that, though it's for level triggers.

Parts of that might be appropriate to handle in the threaded
IRQ handler itself.  It seems a bit device-specific.

- Dave

  parent reply	other threads:[~2009-07-22 22:15 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-14 10:06 Support for synaptic touchscreen in HTC dream Pavel Machek
2009-07-14 10:20 ` Trilok Soni
     [not found]   ` <5d5443650907140320w334864f4uc1ee13ed32fdb874-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-07-15 13:36     ` Pavel Machek
     [not found]       ` <20090715133627.GA2538-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2009-07-15 17:33         ` Trilok Soni
     [not found]           ` <5d5443650907151033w36008b71pe4b32bcea9489b75-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-07-21 10:21             ` Pavel Machek
2009-07-21 10:34               ` Trilok Soni
     [not found]                 ` <5d5443650907210334k3f562cebsc665511a161c8639-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-08-08 13:40                   ` Synaptics touchscreen for HTC Dream: check that smbus is available Pavel Machek
     [not found]                     ` <20090808134049.GA13083-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2009-08-17 23:47                       ` Andrew Morton
     [not found]                         ` <20090817164759.43c39f2d.akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2009-08-21 14:23                           ` Pavel Machek
2009-07-21 10:59           ` Threaded interrupts for synaptic touchscreen in HTC dream Pavel Machek
     [not found]             ` <20090721105924.GK4133-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2009-07-21 11:36               ` Mark Brown
     [not found]                 ` <20090721113642.GC13286-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2009-07-21 12:18                   ` Trilok Soni
2009-07-21 12:30                     ` Trilok Soni
2009-07-21 12:49                       ` Mark Brown
     [not found]                         ` <20090721124933.GA5668-HF5t3jzXg/6ND3a5+9QAFujbO/Zr0HzV@public.gmane.org>
2009-07-21 16:04                           ` Dmitry Torokhov
     [not found]                             ` <20090721160436.GD4352-wUGeVx6es1+Q2O5dskk9LyLysJ1jNyTM@public.gmane.org>
2009-07-21 20:30                               ` Thomas Gleixner
2009-07-21 20:58                                 ` Dmitry Torokhov
2009-07-21 21:48                                   ` Thomas Gleixner
     [not found]                                 ` <alpine.LFD.2.00.0907212225030.2813-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-07-21 22:25                                   ` Mark Brown
     [not found]                                     ` <20090721222547.GA1948-yzvPICuk2AATkU/dhu1WVueM+bqZidxxQQ4Iyu8u01E@public.gmane.org>
2009-07-22 10:44                                       ` Thomas Gleixner
     [not found]                                         ` <alpine.LFD.2.00.0907221022190.2813-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-07-22 12:18                                           ` Mark Brown
2009-07-22 12:58                                             ` Thomas Gleixner
     [not found]                                               ` <alpine.LFD.2.00.0907221427380.2813-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-07-22 13:30                                                 ` Peter Zijlstra
2009-07-22 14:18                                                   ` Thomas Gleixner
     [not found]                                                     ` <alpine.LFD.2.00.0907221615480.2813-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-07-22 14:32                                                       ` Mark Brown
     [not found]                                                         ` <20090722143211.GB29404-HF5t3jzXg/6ND3a5+9QAFujbO/Zr0HzV@public.gmane.org>
2009-07-22 14:52                                                           ` Thomas Gleixner
     [not found]                                                             ` <alpine.LFD.2.00.0907221645240.2813-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-07-22 14:56                                                               ` Mark Brown
2009-07-22 15:15                                                                 ` Thomas Gleixner
     [not found]                                                                   ` <alpine.LFD.2.00.0907221715260.2813-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-07-22 15:56                                                                     ` Mark Brown
2009-07-22 16:57                                                   ` David Brownell
     [not found]                                                     ` <200907220957.16499.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2009-07-22 21:04                                                       ` Thomas Gleixner
     [not found]                                                         ` <alpine.LFD.2.00.0907222226270.2813-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-07-22 21:57                                                           ` Arve Hjønnevåg
     [not found]                                                             ` <d6200be20907221457r4e2f6d29g57146586fd13776a-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-07-22 22:15                                                               ` David Brownell [this message]
2009-07-22 23:30                                                                 ` Arve Hjønnevåg
2009-07-22 22:09                                                         ` David Brownell
2009-07-23  4:43                                                         ` Dmitry Torokhov
2009-07-22 13:31                                                 ` Mark Brown
2009-07-22 17:04                                                   ` David Brownell
2009-07-22 17:08                                                     ` Mark Brown
2009-07-22 16:04                                               ` Dmitry Torokhov
     [not found]                                                 ` <20090722155811.GA2775-wUGeVx6es1+Q2O5dskk9LyLysJ1jNyTM@public.gmane.org>
2009-07-22 16:40                                                   ` Thomas Gleixner
2009-07-22 16:57                                                     ` Mark Brown
     [not found]                                                     ` <alpine.LFD.2.00.0907221830410.2813-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2009-07-22 17:08                                                       ` Dmitry Torokhov
2009-07-22 17:13                                                       ` David Brownell
2009-07-22 16:51                                               ` David Brownell
2009-07-22 16:39                                 ` David Brownell
     [not found]                                   ` <200907220939.33399.david-b-yBeKhBN/0LDR7s880joybQ@public.gmane.org>
2009-07-22 16:43                                     ` Thomas Gleixner
2009-07-22 17:34                                       ` David Brownell
2009-07-22 16:50                                     ` Mark Brown
2009-07-22 17:41                                 ` David Brownell
2009-07-21 20:43                               ` Daniel Ribeiro
2009-07-21 12:30                     ` Mark Brown
2009-07-23 14:55                 ` Pavel Machek
2009-07-15 21:33         ` Support " Arve Hjønnevåg
2009-07-21 10:40           ` Pavel Machek
2009-07-14 17:52 ` Dmitry Torokhov
2009-07-15 13:48   ` Pavel Machek
2009-07-15 15:27     ` Dmitry Torokhov
2009-07-15 15:33       ` Brian Swetland
2009-07-15 17:26         ` Trilok Soni
2009-07-15 18:43       ` Arve Hjønnevåg
2009-07-15 20:24     ` Arve Hjønnevåg
2009-07-15 13:50   ` Pavel Machek
2009-08-08 14:02   ` HTC Dream for staging: small cleanups [was Re: Support for synaptic touchscreen in HTC dream] Pavel Machek
2009-07-14 20:25 ` Support for synaptic touchscreen in HTC dream Andreas Mohr
2009-07-14 20:33   ` Andreas Mohr

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