serial/8250_pci: init-quirk msi support for kt serial controller
authorDan Williams <dan.j.williams@intel.com>
Tue, 22 Nov 2011 21:41:29 +0000 (13:41 -0800)
committerGreg Kroah-Hartman <gregkh@suse.de>
Sun, 27 Nov 2011 04:11:20 +0000 (20:11 -0800)
commite86ff4a63c9fdd875ba8492577cd1ad2252f525c
treeb29d14f78331c8a2f3287b2451fa891a0d8447de
parent448ac154c957c4580531fa0c8f2045816fe2f0e7
serial/8250_pci: init-quirk msi support for kt serial controller

The semantics of UPF_IIR_ONCE (once per serial irq) are only guaranteed
if the kt irq is not shared (once per serial isr in the shared case ==
potentially unwanted reads of the IIR).

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/tty/serial/8250_pci.c