github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-07-28 01:55:51 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

irqchip/gic-v3-its: Add fsl_mc device plumbing to the msi-parent handling

Browse Source 
Make the ITS code aware of fsl_mc devices by plumbing the devid
retrieval primitive.

Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Tested-by: Ioana Ciornei <ioana.ciornei@nxp.com> # LX2160ARDB, LS2088ARDB
Tested-by: Sascha Bischoff <sascha.bischoff@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Thomas Gleixner <tglx@kernel.org>
Link: https://lore.kernel.org/r/20260224100936.3752303-4-maz@kernel.org
Signed-off-by: Christophe Leroy (CS GROUP) <chleroy@kernel.org>
This commit is contained in:
Marc Zyngier 2026-02-24 10:09:33 +00:00 committed by Christophe Leroy (CS GROUP)
parent 0c9f522f2d
commit cf3179b4e5
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/irqchip/irq-gic-its-msi-parent.c
View File

@ -5,6 +5,7 @@
// Copyright (C) 2022 Intel
#include <linux/acpi_iort.h>
#include <linux/fsl/mc.h>
#include <linux/of_address.h>
#include <linux/pci.h>
@ -187,9 +188,11 @@ 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_msi_info(dev, &dev_id, NULL);