From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marc Zyngier Date: Mon, 30 Oct 2017 06:11:40 +0000 Subject: [OpenRISC] [PATCH v4 05/13] irqchip: add initial support for ompic In-Reply-To: <20171030041806.GA29237@lianli.shorne-pla.net> (Stafford Horne's message of "Mon, 30 Oct 2017 13:18:06 +0900") References: <20171029231123.27281-1-shorne@gmail.com> <20171029231123.27281-6-shorne@gmail.com> <86mv4974ht.fsf@arm.com> <20171030041806.GA29237@lianli.shorne-pla.net> Message-ID: <86vaix5fmr.fsf@arm.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: openrisc@lists.librecores.org On Mon, Oct 30 2017 at 1:18:06 pm GMT, Stafford Horne wrote: > On Mon, Oct 30, 2017 at 02:29:18AM +0000, Marc Zyngier wrote: >> On Mon, Oct 30 2017 at 8:11:15 am GMT, Stafford Horne wrote: >> > From: Stefan Kristiansson >> > >> > IPI driver for the Open Multi-Processor Interrupt Controller (ompic) as >> > described in the Multi-core support section of the OpenRISC 1.2 >> > architecture specification: >> > >> > https://github.com/openrisc/doc/raw/master/openrisc-arch-1.2-rev0.pdf >> > >> > Each OpenRISC core contains a full interrupt controller which is used in >> > the SMP architecture for interrupt balancing. This IPI device, the >> > ompic, is the only external device required for enabling SMP on >> > OpenRISC. >> > >> > Pending ops are stored in a memory bit mask which can allow multiple >> > pending operations to be set and serviced at a time. This is mostly >> > borrowed from the alpha IPI implementation. >> > >> > Cc: Marc Zyngier >> > Acked-by: Rob Herring >> > Signed-off-by: Stefan Kristiansson >> > [shorne at gmail.com: converted ops to bitmask, wrote commit message] >> > Signed-off-by: Stafford Horne >> >> Reviewed-by: Marc Zyngier > > Thanks > >> Side question: what is your merge strategy for this? I can take it >> through the irqchip tree as it is standalone, but I'm open to other >> suggestions. > > For me its easier if I just take it through the openrisc tree, as > there are dependencies between this series and the irqchip driver. > If you are ok with that I can make a note to Linus indicating so in > the pull request. No problem, that's OK with me. > My plan is to send this series during the 4.15 merge window. Make sure this is in -next (when it comes back to life...). Thanks, M. -- Jazz is not dead. It just smells funny.