linux-kernel - [PATCH v5 1/6] irqchip/mtk-sysirq: support 4 interrupt parameters for sysirq

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Date:   Fri, 28 Dec 2018 16:09:36 +0800
From:   Erin Lo <erin.lo@...iatek.com>
To:     Matthias Brugger <matthias.bgg@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <marc.zyngier@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Stephen Boyd <sboyd@...eaurora.org>
CC:     <devicetree@...r.kernel.org>,
        srv_heupstream <srv_heupstream@...iatek.com>,
        <linux-kernel@...r.kernel.org>, <linux-serial@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <yingjoe.chen@...iatek.com>, <erin.lo@...iatek.com>,
        <mars.cheng@...iatek.com>, <eddie.huang@...iatek.com>,
        <linux-clk@...r.kernel.org>, Seiya Wang <seiya.wang@...iatek.com>
Subject: [PATCH v5 1/6] irqchip/mtk-sysirq: support 4 interrupt parameters for sysirq

From: Seiya Wang <seiya.wang@...iatek.com>

To support partitioned PPIs, 4 interrupt parameters should be valid
for sysirq.

Signed-off-by: Seiya Wang <seiya.wang@...iatek.com>
Signed-off-by: Erin Lo <erin.lo@...iatek.com>
---
 drivers/irqchip/irq-mtk-sysirq.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c
index 90aaf19..282736a 100644
--- a/drivers/irqchip/irq-mtk-sysirq.c
+++ b/drivers/irqchip/irq-mtk-sysirq.c
@@ -81,7 +81,7 @@ static int mtk_sysirq_domain_translate(struct irq_domain *d,
 				       unsigned int *type)
 {
 	if (is_of_node(fwspec->fwnode)) {
-		if (fwspec->param_count != 3)
+		if (fwspec->param_count != 3 && fwspec->param_count != 4)
 			return -EINVAL;
 
 		/* No PPI should point to this domain */
@@ -104,7 +104,7 @@ static int mtk_sysirq_domain_alloc(struct irq_domain *domain, unsigned int virq,
 	struct irq_fwspec *fwspec = arg;
 	struct irq_fwspec gic_fwspec = *fwspec;
 
-	if (fwspec->param_count != 3)
+	if (fwspec->param_count != 3 && fwspec->param_count != 4)
 		return -EINVAL;
 
 	/* sysirq doesn't support PPI */
-- 
1.9.1