[PATCH] [RFC] sh: highlander: Handle virq offset in cascaded IRL demux
Geert Uytterhoeven <[email protected]>
| Newsgroups | gmane.linux.ports.sh.devel,gmane.linux.kernel |
|---|---|
| Message-ID | <4fcb0d08a2b372431c41e04312742dc9e41e1be4.1688908186.git.geert+renesas@glider.be> |
Take into account the virq offset when translating cascaded IRL
interrupts.
Fixes: a8ac2961148e8c72 ("sh: Avoid using IRQ0 on SH3 and SH4")
Signed-off-by: Geert Uytterhoeven <[email protected]>
---
Compile-tested only, but the fix is identical to the fix for rts7751r2d.
---
arch/sh/boards/mach-highlander/setup.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/sh/boards/mach-highlander/setup.c b/arch/sh/boards/mach-highlander/setup.c
index 533393d779c2b97f..a821a1b155473d93 100644
--- a/arch/sh/boards/mach-highlander/setup.c
+++ b/arch/sh/boards/mach-highlander/setup.c
@@ -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 >= 16 + HL_NR_IRL || irq < 16 || !irl2irq[irq - 16])
return irq;
- return irl2irq[irq];
+ return irl2irq[irq - 16];
}
static void __init highlander_init_irq(void)
--
2.34.1