From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: request_irq in I2C driver causes kernel to freeze during probe, but if done later - no problem!
Date: Sat, 27 Mar 2010 10:11:32 +0000 [thread overview]
Message-ID: <20100327101132.GA9724@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <4BADAD55.1080304@atmel.com>
On Sat, Mar 27, 2010 at 08:01:41AM +0100, Ulf Samuelsson wrote:
> I assume that, since I request interrupt on falling edge
> the interrupt will not be activated until the target
> provides a new falling edge on the interrupt line.
Does your interrupt controller support falling edge IRQs on the I2C
controller? Most SoCs provide you with only one fixed triggering
method for on-board devices, which is normally only level sensitive.
next prev parent reply other threads:[~2010-03-27 10:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-26 23:16 request_irq in I2C driver causes kernel to freeze during probe, but if done later - no problem! Ulf Samuelsson
2010-03-26 23:24 ` Russell King - ARM Linux
2010-03-27 0:22 ` Ulf Samuelsson
2010-03-27 0:41 ` Ulf Samuelsson
2010-03-27 1:12 ` Ben Dooks
2010-03-27 7:01 ` Ulf Samuelsson
2010-03-27 10:11 ` Russell King - ARM Linux [this message]
2010-03-27 11:06 ` request_irq in I2C driver causes kernel to freeze duringprobe, " Ulf Samuelsson
2010-03-29 10:01 ` request_irq in I2C driver causes kernel to freeze during probe, " Mark Brown
2010-03-27 9:16 ` Russell King - ARM Linux
2010-03-27 9:17 ` Russell King - ARM Linux
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