linux-kernel - [irqchip: irq/irqchip-fixes] irqchip/gic-v3: Enable Rockchip 3588001 erratum workaround for RK3588S

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Date:   Mon, 03 Jul 2023 19:00:26 -0000
From:   "irqchip-bot for Sebastian Reichel" <tip-bot2@...utronix.de>
To:     linux-kernel@...r.kernel.org
Cc:     Sebastian Reichel <sebastian.reichel@...labora.com>,
        Marc Zyngier <maz@...nel.org>, tglx@...utronix.de
Subject: [irqchip: irq/irqchip-fixes] irqchip/gic-v3: Enable Rockchip 3588001
 erratum workaround for RK3588S

The following commit has been merged into the irq/irqchip-fixes branch of irqchip:

Commit-ID:     567f67acac94e7bbc4cb4b71ff9773555d02609a
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/567f67acac94e7bbc4cb4b71ff9773555d02609a
Author:        Sebastian Reichel <sebastian.reichel@...labora.com>
AuthorDate:    Mon, 03 Jul 2023 18:41:29 +02:00
Committer:     Marc Zyngier <maz@...nel.org>
CommitterDate: Mon, 03 Jul 2023 19:48:04 +01:00

irqchip/gic-v3: Enable Rockchip 3588001 erratum workaround for RK3588S

Commit a8707f553884 ("irqchip/gic-v3: Add Rockchip 3588001 erratum
workaround") mentioned RK3588S (the slimmed down variant of RK3588)
being affected, but did not check for its compatible value. Thus the
quirk is not applied on RK3588S. Since the GIC ITS node got added to the
upstream DT, boards using RK3588S are no longer booting without this
quirk being applied.

Fixes: 06cdac8e8407 ("arm64: dts: rockchip: add GIC ITS support to rk3588")
Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
Signed-off-by: Marc Zyngier <maz@...nel.org>
Link: https://lore.kernel.org/r/20230703164129.193991-1-sebastian.reichel@collabora.com
---
 drivers/irqchip/irq-gic-v3-its.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 5365bc3..e0c2b10 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -4744,7 +4744,8 @@ static bool __maybe_unused its_enable_rk3588001(void *data)
 {
 	struct its_node *its = data;
 
-	if (!of_machine_is_compatible("rockchip,rk3588"))
+	if (!of_machine_is_compatible("rockchip,rk3588") &&
+	    !of_machine_is_compatible("rockchip,rk3588s"))
 		return false;
 
 	its->flags |= ITS_FLAGS_FORCE_NON_SHAREABLE;