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sh fixes for v6.5

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- sh: hd64461: Handle virq offset for offchip IRQ base and HD64461 IRQ
 - sh: mach-dreamcast: Handle virq offset in cascaded IRQ demux
 - sh: mach-highlander: Handle virq offset in cascaded IRL demux
 - sh: mach-r2d: Handle virq offset in cascaded IRL demux
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Merge tag 'sh-for-v6.5-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux

Pull sh fixes from John Paul Adrian Glaubitz:
 "The sh updates introduced multiple regressions.

  In particular, the change a8ac296114 ("sh: Avoid using IRQ0 on SH3
  and SH4") causes several boards to hang during boot due to incorrect
  IRQ numbers.

  Geert Uytterhoeven has contributed patches that handle the virq offset
  in the IRQ code for the dreamcast, highlander and r2d boards while
  Artur Rojek has contributed a patch which handles the virq offset for
  the hd64461 companion chip"

* tag 'sh-for-v6.5-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
  sh: hd64461: Handle virq offset for offchip IRQ base and HD64461 IRQ
  sh: mach-dreamcast: Handle virq offset in cascaded IRQ demux
  sh: mach-highlander: Handle virq offset in cascaded IRL demux
  sh: mach-r2d: Handle virq offset in cascaded IRL demux
This commit is contained in:
Linus Torvalds 2023-07-13 13:34:00 -07:00
commit 9350cd0190
5 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/sh/boards/mach-dreamcast/irq.c
View File

@ -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:

4
arch/sh/boards/mach-highlander/setup.c
View File

@ -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)

4
arch/sh/boards/mach-r2d/irq.c
View File

@ -117,10 +117,10 @@ static unsigned char irl2irq[R2D_NR_IRL];
int rts7751r2d_irq_demux(int irq)
{
if (irq >= R2D_NR_IRL || irq < 0 || !irl2irq[irq])
if (irq >= R2D_NR_IRL + 16 || irq < 16 || !irl2irq[irq - 16])
return irq;
return irl2irq[irq];
return irl2irq[irq - 16];
}
/*

4
arch/sh/cchips/Kconfig
View File

@ -29,9 +29,9 @@ endchoice
config HD64461_IRQ
int "HD64461 IRQ"
depends on HD64461
default "36"
default "52"
help
The default setting of the HD64461 IRQ is 36.
The default setting of the HD64461 IRQ is 52.
Do not change this unless you know what you are doing.

2
arch/sh/include/asm/hd64461.h
View File

@ -229,7 +229,7 @@
#define HD64461_NIMR HD64461_IO_OFFSET(0x5002)
#define HD64461_IRQBASE OFFCHIP_IRQ_BASE
#define OFFCHIP_IRQ_BASE 64
#define OFFCHIP_IRQ_BASE (64 + 16)
#define HD64461_IRQ_NUM 16
#define HD64461_IRQ_UART (HD64461_IRQBASE+5)