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From: Alan Mikhak <alan.mikhak@sifive.com>
To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
	tglx@linutronix.de, jason@lakedaemon.net, maz@kernel.org,
	palmer@sifive.com, paul.walmsley@sifive.com
Cc: Alan Mikhak <alan.mikhak@sifive.com>
Subject: [PATCH] irqchip: Skip contexts other supervisor in plic_init()
Date: Wed, 23 Oct 2019 09:22:35 -0700	[thread overview]
Message-ID: <1571847755-20388-1-git-send-email-alan.mikhak@sifive.com> (raw)

From: Alan Mikhak <alan.mikhak@sifive.com>

Modify plic_init() to skip .dts interrupt contexts other
than supervisor external interrupt.

Signed-off-by: Alan Mikhak <alan.mikhak@sifive.com>
---
 drivers/irqchip/irq-sifive-plic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index c72c036aea76..5f2a773d5669 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -251,8 +251,8 @@ static int __init plic_init(struct device_node *node,
 			continue;
 		}
 
-		/* skip context holes */
-		if (parent.args[0] == -1)
+		/* skip contexts other than supervisor external interrupt */
+		if (parent.args[0] != IRQ_S_EXT)
 			continue;
 
 		hartid = plic_find_hart_id(parent.np);
-- 
2.7.4


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             reply	other threads:[~2019-10-23 16:22 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-23 16:22 Alan Mikhak [this message]
2019-10-23 18:54 ` [PATCH] irqchip: Skip contexts other supervisor in plic_init() Paul Walmsley
2019-10-23 21:34   ` Alan Mikhak
2019-10-24  2:21     ` Paul Walmsley
2019-10-23 22:07   ` Palmer Dabbelt
2019-10-24  1:30     ` Christoph Hellwig
2019-10-24  6:51       ` Marc Zyngier
2019-10-24  7:03         ` Christoph Hellwig
2019-10-24  7:27           ` Marc Zyngier

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