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sh: mach-highlander: Handle virq offset in cascaded IRL demux 

commit a2601b8d8f upstream.

Take into account the virq offset when translating cascaded IRL
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/4fcb0d08a2b372431c41e04312742dc9e41e1be4.1688908186.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 15:10:23 +02:00 committed by Greg Kroah-Hartman
parent fe7daa313d
commit 5628b9aa31
1 changed files with 2 additions and 2 deletions
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4
arch/sh/boards/mach-highlander/setup.c
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@ -389,10 +389,10 @@ static unsigned char irl2irq[HL_NR_IRL];
static int highlander_irq_demux(int irq)
{
if (irq >= HL_NR_IRL || irq < 0 || !irl2irq[irq])
if (irq >= HL_NR_IRL + 16 || irq < 16 || !irl2irq[irq - 16])
return irq;
return irl2irq[irq];
return irl2irq[irq - 16];
}
static void __init highlander_init_irq(void)