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From: Geert Uytterhoeven <geert+renesas@glider.be>
To: Sergey Shtylyov <s.shtylyov@omp.ru>,
	John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>,
	Yoshinori Sato <ysato@users.sourceforge.jp>,
	Rich Felker <dalias@libc.org>
Cc: linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org,
	Geert Uytterhoeven <geert+renesas@glider.be>
Subject: [PATCH] [RFC] sh: dreamcast: Handle virq offset in cascaded IRQ demux
Date: Sun,  9 Jul 2023 15:10:43 +0200	[thread overview]
Message-ID: <7d0cb246c9f1cd24bb1f637ec5cb67e799a4c3b8.1688908227.git.geert+renesas@glider.be> (raw)

Take into account the virq offset when translating cascaded interrupts.

Fixes: a8ac2961148e8c72 ("sh: Avoid using IRQ0 on SH3 and SH4")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
Compile-tested only.
---
 arch/sh/boards/mach-dreamcast/irq.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/sh/boards/mach-dreamcast/irq.c b/arch/sh/boards/mach-dreamcast/irq.c
index cc06e4cdb4cdf9b7..4e5fb59481a26747 100644
--- a/arch/sh/boards/mach-dreamcast/irq.c
+++ b/arch/sh/boards/mach-dreamcast/irq.c
@@ -108,13 +108,13 @@ int systemasic_irq_demux(int irq)
 	__u32 j, bit;
 
 	switch (irq) {
-	case 13:
+	case 16 + 13:
 		level = 0;
 		break;
-	case 11:
+	case 16 + 11:
 		level = 1;
 		break;
-	case  9:
+	case 16 + 9:
 		level = 2;
 		break;
 	default:
-- 
2.34.1


             reply	other threads:[~2023-07-09 13:10 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-09 13:10 Geert Uytterhoeven [this message]
2023-07-12  5:17 ` [PATCH] [RFC] sh: dreamcast: Handle virq offset in cascaded IRQ demux John Paul Adrian Glaubitz
2023-07-13  6:56 ` John Paul Adrian Glaubitz

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