IRQ share is rejected
Russell King - ARM Linux
linux at arm.linux.org.uk
Fri Aug 26 04:13:52 EDT 2011
On Thu, Aug 25, 2011 at 10:23:25PM -0700, hong zhang wrote:
> TI OMAP4 has HDMI in and HDMI has only one IRQ. In its BSP, HDMI hpd is
> already registered with the IRQ line that showed in /proc/interrupts.
> Try to share the IRQ # with HDMI CEC using request_irq(133,
> omap4_cec_isr, IRQF_SHARED, "omap4 CEC", p_this) but returns error.
Please wrap your message at or before column 72. Thanks.
All users of the IRQ line must request it with IRQF_SHARED, otherwise
the initial request will be exclusive.
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