[PATCH v7 7/9] ipic: clean up unsupported ack operations
Li Yang
LeoLi at freescale.com
Fri Nov 30 21:03:59 EST 2007
> -----Original Message-----
> From: Kumar Gala [mailto:galak at kernel.crashing.org]
> Sent: Friday, November 30, 2007 8:36 AM
> To: Li Yang
> Cc: linuxppc-dev at ozlabs.org
> Subject: Re: [PATCH v7 7/9] ipic: clean up unsupported ack operations
>
>
> On Oct 19, 2007, at 6:38 AM, Li Yang wrote:
>
> > IPIC controller doesn't support ack operations. The
> pending registers
> > are read-only. The patch removes ack operations which are
> not needed.
> >
> > Signed-off-by: Li Yang <leoli at freescale.com>
> > ---
> > arch/powerpc/sysdev/ipic.c | 40 +
> > +--------------------------------------
> > 1 files changed, 2 insertions(+), 38 deletions(-)
>
> applied.
Hi Kumar,
Please hold on this one. Actually external interrupts in edge mode need
this ack operation. But in most cases (level triggered) ack is not
needed. I will provide an updated patch later on to take care both
trigger modes. Thanks.
- Leo
More information about the Linuxppc-dev
mailing list