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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
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[RFC] sh: dreamcast: Handle virq offset in cascaded IRQ demux
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Commit Message
Geert Uytterhoeven
July 9, 2023, 1:10 p.m. UTC
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(-)
Comments
On Sun, 2023-07-09 at 15:10 +0200, Geert Uytterhoeven wrote: > 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: Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
On Sun, 2023-07-09 at 15:10 +0200, Geert Uytterhoeven wrote: > 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: Applied to my for-linus branch. Thanks, Adrian
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: