linux-kernel - [tip: irq/core] irqchip/gic: Skip DT quirks when evaluating IIDR-based quirks

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Date:   Fri, 06 Sep 2019 11:08:16 -0000
From:   "tip-bot2 for Marc Zyngier" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Marc Zyngier <maz@...nel.org>, Ingo Molnar <mingo@...nel.org>,
        Borislav Petkov <bp@...en8.de>, linux-kernel@...r.kernel.org
Subject: [tip: irq/core] irqchip/gic: Skip DT quirks when evaluating IIDR-based quirks

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     25edaed6c7feca8fded25348732c628283304364
Gitweb:        https://git.kernel.org/tip/25edaed6c7feca8fded25348732c628283304364
Author:        Marc Zyngier <maz@...nel.org>
AuthorDate:    Wed, 31 Jul 2019 17:28:49 +01:00
Committer:     Marc Zyngier <maz@...nel.org>
CommitterDate: Tue, 20 Aug 2019 10:23:35 +01:00

irqchip/gic: Skip DT quirks when evaluating IIDR-based quirks

When evaluating potential quirks matched by reads of the IIDR
register, skip the quirk entries that use a "compatible"
property attached to them, as these are DT based.

Signed-off-by: Marc Zyngier <maz@...nel.org>
---
 drivers/irqchip/irq-gic-common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/irqchip/irq-gic-common.c b/drivers/irqchip/irq-gic-common.c
index 14110db..8252000 100644
--- a/drivers/irqchip/irq-gic-common.c
+++ b/drivers/irqchip/irq-gic-common.c
@@ -41,6 +41,8 @@ void gic_enable_quirks(u32 iidr, const struct gic_quirk *quirks,
 		void *data)
 {
 	for (; quirks->desc; quirks++) {
+		if (quirks->compatible)
+			continue;
 		if (quirks->iidr != (quirks->mask & iidr))
 			continue;
 		if (quirks->init(data))