On Tue, Feb 17, 2009 at 10:12 PM, Kumar Gala <[email protected]> wrote: > > On Feb 17, 2009, at 6:44 AM, <[email protected]> <[email protected]> > wrote: > >> From: Da Yu <[email protected]> >> Date: Tue, 17 Feb 2009 19:58:20 +0800 >> Subject: [PATCH] fix the interrupt loss problem on powerpc IPIC (2.6.23) >> >> Signed-off-by: Da Yu <[email protected]> >> --- > > Please provide a bit more description as to why this fixes the issue.
The pending register is write 1 clear. If there are more than one external interrupts pending at the same time, acking the first interrupt will also clear other interrupt pending bits. That will cause loss of interrupt. - Leo _______________________________________________ Linuxppc-dev mailing list [email protected] https://ozlabs.org/mailman/listinfo/linuxppc-dev
