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authorGeert Uytterhoeven <geert+renesas@glider.be>2023-07-09 15:10:43 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-07-19 16:22:18 +0200
commit0ff5d219eb8ae8a4bcdf4ec3e92c26f829d86cda (patch)
tree50c6e6a7cab72b94b870f198038431bd0c92093a
parent5628b9aa31798387a1340d889d4c6d7a33ecabe1 (diff)
downloadlinux-0ff5d219eb8ae8a4bcdf4ec3e92c26f829d86cda.tar.gz
sh: mach-dreamcast: Handle virq offset in cascaded IRQ demux
commit 3d20f7a6eb76afdf9d4ad9cb864c2e2da9c38e1f upstream.

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>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/7d0cb246c9f1cd24bb1f637ec5cb67e799a4c3b8.1688908227.git.geert+renesas@glider.be
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--arch/sh/boards/mach-dreamcast/irq.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/sh/boards/mach-dreamcast/irq.c b/arch/sh/boards/mach-dreamcast/irq.c
index cc06e4cdb4cd..0eec82fb85e7 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 13 + 16:
 		level = 0;
 		break;
-	case 11:
+	case 11 + 16:
 		level = 1;
 		break;
-	case  9:
+	case 9 + 16:
 		level = 2;
 		break;
 	default: