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sh: mach-dreamcast: Handle virq offset in cascaded IRQ demux

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commit 3d20f7a6eb upstream.

Take into account the virq offset when translating cascaded interrupts.

Fixes: a8ac296114 ("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>
This commit is contained in:
Geert Uytterhoeven
2023-07-09 15:10:43 +02:00
committed by Greg Kroah-Hartman
parent 5628b9aa31
commit 0ff5d219eb
1 changed files with 3 additions and 3 deletions
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6
arch/sh/boards/mach-dreamcast/irq.c
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@@ -108,13 +108,13 @@ int systemasic_irq_demux(int irq)
__u32 j, bit; __u32 j, bit;
switch (irq) { switch (irq) {
case 13: case 13 + 16:
level = 0; level = 0;
break; break;
case 11: case 11 + 16:
level = 1; level = 1;
break; break;
case 9: case 9 + 16:
level = 2; level = 2;
break; break;
default: default: