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Mon, 23 Feb 2026 09:01:02 +0000 Date: Mon, 23 Feb 2026 09:01:02 +0000 Message-ID: <86qzqbal69.wl-maz@kernel.org> From: Marc Zyngier To: Thomas Gleixner Cc: Ioana Ciornei , "Christophe Leroy (CS GROUP)" , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH 3/6] irqchip/gic-v3-its: Add fsl_mc device plumbing to the msi-parent handling In-Reply-To: <87seasv11z.ffs@tglx> References: <20260218135203.2267907-1-maz@kernel.org> <20260218135203.2267907-4-maz@kernel.org> <87seasv11z.ffs@tglx> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: tglx@kernel.org, ioana.ciornei@nxp.com, chleroy@kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260223_010107_801172_2E4AA982 X-CRM114-Status: GOOD ( 22.81 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, 22 Feb 2026 22:57:44 +0000, Thomas Gleixner wrote: > > On Wed, Feb 18 2026 at 13:52, Marc Zyngier wrote: > > Make the ITS code aware of fsl_mc devices by plumbing the devid > > retrieval primitive. > > > > Signed-off-by: Marc Zyngier > > --- > > drivers/irqchip/irq-gic-its-msi-parent.c | 7 +++++-- > > 1 file changed, 5 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/irqchip/irq-gic-its-msi-parent.c b/drivers/irqchip/irq-gic-its-msi-parent.c > > index 12f45228c8674..532c0d626ca04 100644 > > --- a/drivers/irqchip/irq-gic-its-msi-parent.c > > +++ b/drivers/irqchip/irq-gic-its-msi-parent.c > > @@ -7,6 +7,7 @@ > > #include > > #include > > #include > > +#include > > > > #include "irq-gic-its-msi-parent.h" > > #include > > @@ -186,9 +187,11 @@ static int its_pmsi_prepare(struct irq_domain *domain, struct device *dev, > > { > > struct msi_domain_info *msi_info; > > u32 dev_id; > > - int ret; > > + int ret = 0; > > > > - if (dev->of_node) > > + if (dev_is_fsl_mc(dev)) > > + dev_id = fsl_mc_get_msi_id(dev); > > + else if (dev->of_node) > > ret = of_pmsi_get_msi_info(domain->parent, dev, &dev_id, NULL); > > else > > ret = iort_pmsi_get_dev_id(dev, &dev_id); > > This rejects as you are building against an unmerged change (I assume > it's Lorenzos GIC5 stuff). I can fix it up when applying. That was against vanilla 6.19. I'll rebase on -rc1 to satisfy myself that this is still doing the right thing after the ACPI crap fest, and repost the result. Thanks, M. -- Without deviation from the norm, progress is not possible.