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SubjectRe: [PATCH 1/2] 8250_pci: Replace commits 448ac154 and e86ff4a
On Tue, Apr 3, 2012 at 12:43 PM, sudhakar <> wrote:
> From: Sudhakar Mamillapalli <>
> The following commits don't completely fix the KT serial missing
> interrupt problems.  So they have been replaced instead by
> enabling serial backup timer.  The iir-once + msi tried approach tried
> to enforce one read of the iir per THRE event, but its defeated by any
> other event occurring at the wrong time, particularly MSR events.
> 448ac15 serial/8250_pci: setup-quirk workaround for the kt serial controller
> e86ff4a serial/8250_pci: init-quirk msi support for kt serial controller
> Signed-off-by: Sudhakar Mamillapalli <>
> Acked-by: Dan Williams <>
> Acked-by: Nhan H Mai <>

Just a note that this should also be tagged for 3.3-stable since the
msi setup hack in e86ff4a breaks suspend/resume like this:

[ 365.250523] sysfs: cannot create duplicate filename
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