On Fri, 2011-02-18 at 03:45 -0600, Turquette, Mike wrote:

<snip>

> PRM_IRQSTATUS_* registers will have status bits set even when the
> corresponding PRM_IRQENABLE_* bits are not set.  The common assumption
> was that status bits would not be set if interrupts weren't enabled
> and this caused us some issues in prcm_interrupt_handler some time
> back.  I don't know how DSS_IRQSTATUS works under the hood, but be
> careful of such assumptions :-)

That's how DISPC_IRQ* and DSI_IRQ* also works. But that's not what this
discussion was about =). DISPC and DSI have a shared interrupt line, and
there's a DSS_IRQSTATUS register with two bits, telling if the interrupt
was for DISPC or DSI.

 Tomi


--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to