From: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
Jerome Oufella <jerome.oufella@savoirfairelinux.com>,
platform-driver-x86 <platform-driver-x86@vger.kernel.org>,
linux-serial <linux-serial@vger.kernel.org>,
lm-sensors <lm-sensors@lm-sensors.org>
Subject: Re: [RFC 2/5] gpio: add support for Technologic Systems TS-5500 GPIOs
Date: Fri, 13 May 2011 17:33:52 -0400 [thread overview]
Message-ID: <1305322106-sup-3383@v0nbox> (raw)
In-Reply-To: <20110430111536.5cb49d59@lxorguk.ukuu.org.uk>
Excerpts from Alan Cox's message of sam avr 30 06:15:36 -0400 2011:
> > + /* Enable IRQ generation */
> > + mutex_lock(&drvdata->gpio_lock);
> > + PORT_BIT_SET(0x7A, 7); /* DIO1_13 on IRQ7 */
> > + PORT_BIT_SET(0x7D, 7); /* DIO2_13 on IRQ6 */
> > + if (use_lcdio) {
> > + PORT_BIT_CLEAR(0x7D, 4); /* Enable LCD header usage as DIO */
> > + PORT_BIT_SET(0x7D, 6); /* LCD_RS on IRQ1 */
> > + }
>
> What happens if an IRQ occurs at this point, you have no handler for it ?
The IRQ is just not handled. What would be the proper way to handle
that? Would it be possible to write those registers when the IRQ is
requested?
Thanks,
Vivien.
next prev parent reply other threads:[~2011-05-13 21:33 UTC|newest]
Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-29 22:21 [RFC 0/5] Support for Technologic Systems TS-5500 board Vivien Didelot
2011-04-29 22:21 ` [RFC 1/5] platform-drivers-x86: add support for Technologic Systems TS-5xxx detection Vivien Didelot
2011-04-29 23:32 ` Greg KH
2011-05-02 21:07 ` Vivien Didelot
2011-05-02 21:55 ` Greg KH
2011-05-03 9:39 ` Alan Cox
2011-05-03 14:13 ` Greg KH
2011-04-30 10:07 ` Alan Cox
2011-05-04 15:15 ` Vivien Didelot
2011-05-04 15:29 ` Alan Cox
2011-05-04 20:34 ` Vivien Didelot
2011-05-05 13:38 ` Alan Cox
2011-05-11 22:24 ` Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-04-29 22:21 ` [RFC 2/5] gpio: add support for Technologic Systems TS-5500 GPIOs Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-04-30 10:15 ` Alan Cox
2011-05-13 21:33 ` Vivien Didelot [this message]
2011-05-13 22:03 ` Alan Cox
2011-05-04 16:29 ` Arnd Bergmann
2011-04-29 22:21 ` [RFC 3/5] serial: add support for Technologic Systems TS-5500 RS-485 serial port Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-04-30 10:17 ` Alan Cox
2011-06-06 20:48 ` Vivien Didelot
2011-04-29 22:21 ` [RFC 4/5] leds: add support for Technologic Systems TS-5500 leds Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-05-03 6:04 ` Govindraj
2011-04-29 22:21 ` Vivien Didelot
2011-04-29 22:21 ` [RFC 5/5] hwmon: add support for Technologic Systems TS-5500 A-D converter Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
2011-04-29 22:21 ` Vivien Didelot
[not found] ` <1304115712-5299-6-git-send-email-vivien.didelot-4ysUXcep3aM1wj+D4I0NRVaTQe2KTcn/@public.gmane.org>
2011-04-30 3:39 ` [lm-sensors] " Guenter Roeck
2011-04-30 9:56 ` Jonathan Cameron
2011-05-03 15:55 ` Vivien Didelot
2011-05-03 17:33 ` Guenter Roeck
2011-05-04 9:03 ` Jonathan Cameron
2011-04-30 10:20 ` Alan Cox
2011-04-29 22:21 ` Vivien Didelot
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