[Bugme-janitors] [Bug 9487] Serial port disappears after Suspend on Toshiba R25

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Thu Dec 20 18:08:50 PST 2007


http://bugzilla.kernel.org/show_bug.cgi?id=9487





------- Comment #6 from ThJaeger at gmail.com  2007-12-20 18:08 -------
Another observation:

rsparser.c, pnpacpi_encode_irq, around line 765:

        if (triggering == ACPI_EDGE_SENSITIVE)
                resource->data.irq.sharable = ACPI_EXCLUSIVE;
        else
                resource->data.irq.sharable = ACPI_SHARED;

It appears that the IRQ is considered to be shared iff it is level-triggered. 
Is this a safe assumption?  Because if I delete the above code and always set
resource->data.irq.sharable to be ACPI_SHARED, the serial port wakes up
properly.  Thanks, Tom.


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