Re: [PATCH 03/12] ARM: ep93xx: enable SPARSE_IRQ

From: Lukasz Majewski
Date: Tue Apr 05 2022 - 18:09:44 EST


On Tue, 5 Apr 2022 11:17:41 +0200
Arnd Bergmann <arnd@xxxxxxxxxx> wrote:

> From: Arnd Bergmann <arnd@xxxxxxxx>
>
> Without CONFIG_SPARSE_IRQ, we rely on mach/irqs.h to define NR_IRQS
> globally. Do the minimal conversion by setting .nr_irqs in each
> machine descriptor.
>
> Only the vision_ep9307 machine has extra IRQs for GPIOs, so make
> .nr_irqs the original value there, while using the plain
> NR_EP93XX_IRQS everywhere else.
>
> Cc: Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
> Cc: Hubert Feurstein <hubert.feurstein@xxxxxxxxx>
> Cc: Lukasz Majewski <lukma@xxxxxxx>
> Tested-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
> arch/arm/Kconfig | 2 ++
> arch/arm/mach-ep93xx/adssphere.c | 1 +
> arch/arm/mach-ep93xx/core.c | 1 +
> arch/arm/mach-ep93xx/edb93xx.c | 8 ++++++++
> arch/arm/mach-ep93xx/gesbc9312.c | 1 +
> arch/arm/mach-ep93xx/{include/mach => }/irqs.h | 7 -------
> arch/arm/mach-ep93xx/micro9.c | 4 ++++
> arch/arm/mach-ep93xx/simone.c | 1 +
> arch/arm/mach-ep93xx/snappercl15.c | 1 +
> arch/arm/mach-ep93xx/soc.h | 1 +
> arch/arm/mach-ep93xx/ts72xx.c | 3 ++-
> arch/arm/mach-ep93xx/vision_ep9307.c | 1 +
> 12 files changed, 23 insertions(+), 8 deletions(-)
> rename arch/arm/mach-ep93xx/{include/mach => }/irqs.h (96%)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 31f024e6e925..5177e54cc14c 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -358,6 +358,8 @@ config ARCH_EP93XX
> select CPU_ARM920T
> select GPIOLIB
> select COMMON_CLK
> + select IRQ_DOMAIN
> + select SPARSE_IRQ
> help
> This enables support for the Cirrus EP93xx series of CPUs.
>
> diff --git a/arch/arm/mach-ep93xx/adssphere.c
> b/arch/arm/mach-ep93xx/adssphere.c index 8d5e349a7a6d..0c48d3c5b8e7
> 100644 --- a/arch/arm/mach-ep93xx/adssphere.c
> +++ b/arch/arm/mach-ep93xx/adssphere.c
> @@ -32,6 +32,7 @@ static void __init adssphere_init_machine(void)
> MACHINE_START(ADSSPHERE, "ADS Sphere board")
> /* Maintainer: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx> */
> .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
> index e4569a5acc3f..2d58e273c96d 100644
> --- a/arch/arm/mach-ep93xx/core.c
> +++ b/arch/arm/mach-ep93xx/core.c
> @@ -47,6 +47,7 @@
> #include <asm/mach/map.h>
>
> #include "soc.h"
> +#include "irqs.h"
>
> /*************************************************************************
> * Static I/O mappings that are needed for all EP93xx platforms
> diff --git a/arch/arm/mach-ep93xx/edb93xx.c
> b/arch/arm/mach-ep93xx/edb93xx.c index af0e22471ebd..4b90899a66e9
> 100644 --- a/arch/arm/mach-ep93xx/edb93xx.c
> +++ b/arch/arm/mach-ep93xx/edb93xx.c
> @@ -243,6 +243,7 @@ static void __init edb93xx_init_machine(void)
> MACHINE_START(EDB9301, "Cirrus Logic EDB9301 Evaluation Board")
> /* Maintainer: H Hartley Sweeten
> <hsweeten@xxxxxxxxxxxxxxxxxxx> */ .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> @@ -255,6 +256,7 @@ MACHINE_END
> MACHINE_START(EDB9302, "Cirrus Logic EDB9302 Evaluation Board")
> /* Maintainer: George Kashperko <george@xxxxxxxxxxx> */
> .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> @@ -267,6 +269,7 @@ MACHINE_END
> MACHINE_START(EDB9302A, "Cirrus Logic EDB9302A Evaluation Board")
> /* Maintainer: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx> */
> .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> @@ -279,6 +282,7 @@ MACHINE_END
> MACHINE_START(EDB9307, "Cirrus Logic EDB9307 Evaluation Board")
> /* Maintainer: Herbert Valerio Riedel <hvr@xxxxxxx> */
> .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> @@ -291,6 +295,7 @@ MACHINE_END
> MACHINE_START(EDB9307A, "Cirrus Logic EDB9307A Evaluation Board")
> /* Maintainer: H Hartley Sweeten
> <hsweeten@xxxxxxxxxxxxxxxxxxx> */ .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> @@ -303,6 +308,7 @@ MACHINE_END
> MACHINE_START(EDB9312, "Cirrus Logic EDB9312 Evaluation Board")
> /* Maintainer: Toufeeq Hussain <toufeeq_hussain@xxxxxxxxxxx>
> */ .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> @@ -315,6 +321,7 @@ MACHINE_END
> MACHINE_START(EDB9315, "Cirrus Logic EDB9315 Evaluation Board")
> /* Maintainer: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx> */
> .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> @@ -327,6 +334,7 @@ MACHINE_END
> MACHINE_START(EDB9315A, "Cirrus Logic EDB9315A Evaluation Board")
> /* Maintainer: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx> */
> .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> diff --git a/arch/arm/mach-ep93xx/gesbc9312.c
> b/arch/arm/mach-ep93xx/gesbc9312.c index d7f9890321eb..0b7043e3e178
> 100644 --- a/arch/arm/mach-ep93xx/gesbc9312.c
> +++ b/arch/arm/mach-ep93xx/gesbc9312.c
> @@ -32,6 +32,7 @@ static void __init gesbc9312_init_machine(void)
> MACHINE_START(GESBC9312, "Glomation GESBC-9312-sx")
> /* Maintainer: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx> */
> .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> diff --git a/arch/arm/mach-ep93xx/include/mach/irqs.h
> b/arch/arm/mach-ep93xx/irqs.h similarity index 96%
> rename from arch/arm/mach-ep93xx/include/mach/irqs.h
> rename to arch/arm/mach-ep93xx/irqs.h
> index 60c69c4ed7e1..353201b90c66 100644
> --- a/arch/arm/mach-ep93xx/include/mach/irqs.h
> +++ b/arch/arm/mach-ep93xx/irqs.h
> @@ -1,8 +1,4 @@
> /* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * arch/arm/mach-ep93xx/include/mach/irqs.h
> - */
> -
> #ifndef __ASM_ARCH_IRQS_H
> #define __ASM_ARCH_IRQS_H
>
> @@ -77,7 +73,4 @@
> #define EP93XX_BOARD_IRQ(x) (NR_EP93XX_IRQS + (x))
> #define EP93XX_BOARD_IRQS 32
>
> -#define NR_IRQS (NR_EP93XX_IRQS +
> EP93XX_BOARD_IRQS) -
> -
> #endif
> diff --git a/arch/arm/mach-ep93xx/micro9.c
> b/arch/arm/mach-ep93xx/micro9.c index e6ead8ded6ee..c121c459aa17
> 100644 --- a/arch/arm/mach-ep93xx/micro9.c
> +++ b/arch/arm/mach-ep93xx/micro9.c
> @@ -76,6 +76,7 @@ static void __init micro9_init_machine(void)
> MACHINE_START(MICRO9, "Contec Micro9-High")
> /* Maintainer: Hubert Feurstein <hubert.feurstein@xxxxxxxxx>
> */ .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> @@ -88,6 +89,7 @@ MACHINE_END
> MACHINE_START(MICRO9M, "Contec Micro9-Mid")
> /* Maintainer: Hubert Feurstein <hubert.feurstein@xxxxxxxxx>
> */ .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> @@ -100,6 +102,7 @@ MACHINE_END
> MACHINE_START(MICRO9L, "Contec Micro9-Lite")
> /* Maintainer: Hubert Feurstein <hubert.feurstein@xxxxxxxxx>
> */ .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> @@ -112,6 +115,7 @@ MACHINE_END
> MACHINE_START(MICRO9S, "Contec Micro9-Slim")
> /* Maintainer: Hubert Feurstein <hubert.feurstein@xxxxxxxxx>
> */ .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> diff --git a/arch/arm/mach-ep93xx/simone.c
> b/arch/arm/mach-ep93xx/simone.c index 5291053023b2..569e72413561
> 100644 --- a/arch/arm/mach-ep93xx/simone.c
> +++ b/arch/arm/mach-ep93xx/simone.c
> @@ -119,6 +119,7 @@ static void __init simone_init_machine(void)
> MACHINE_START(SIM_ONE, "Simplemachines Sim.One Board")
> /* Maintainer: Ryan Mallon */
> .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> diff --git a/arch/arm/mach-ep93xx/snappercl15.c
> b/arch/arm/mach-ep93xx/snappercl15.c index e200d69471e9..1dfb725671b1
> 100644 --- a/arch/arm/mach-ep93xx/snappercl15.c
> +++ b/arch/arm/mach-ep93xx/snappercl15.c
> @@ -153,6 +153,7 @@ static void __init snappercl15_init_machine(void)
> MACHINE_START(SNAPPER_CL15, "Bluewater Systems Snapper CL15")
> /* Maintainer: Ryan Mallon */
> .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ep93xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> diff --git a/arch/arm/mach-ep93xx/soc.h b/arch/arm/mach-ep93xx/soc.h
> index 94ef7f275f94..f0986e288d19 100644
> --- a/arch/arm/mach-ep93xx/soc.h
> +++ b/arch/arm/mach-ep93xx/soc.h
> @@ -10,6 +10,7 @@
> #define _EP93XX_SOC_H
>
> #include <mach/ep93xx-regs.h>
> +#include "irqs.h"
>
> /*
> * EP93xx Physical Memory Map:
> diff --git a/arch/arm/mach-ep93xx/ts72xx.c
> b/arch/arm/mach-ep93xx/ts72xx.c index 12eff8c8074d..e70bac011407
> 100644 --- a/arch/arm/mach-ep93xx/ts72xx.c
> +++ b/arch/arm/mach-ep93xx/ts72xx.c
> @@ -22,7 +22,6 @@
>
> #include "gpio-ep93xx.h"
> #include "hardware.h"
> -#include <mach/irqs.h>
>
> #include <asm/mach-types.h>
> #include <asm/mach/map.h>
> @@ -350,6 +349,7 @@ static void __init ts72xx_init_machine(void)
> MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
> /* Maintainer: Lennert Buytenhek <buytenh@xxxxxxxxxxxxxx> */
> .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ts72xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> @@ -413,6 +413,7 @@ static void __init bk3_init_machine(void)
> MACHINE_START(BK3, "Liebherr controller BK3.1")
> /* Maintainer: Lukasz Majewski <lukma@xxxxxxx> */
> .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS,
> .map_io = ts72xx_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,
> diff --git a/arch/arm/mach-ep93xx/vision_ep9307.c
> b/arch/arm/mach-ep93xx/vision_ep9307.c index
> e46281e60bf7..30d9cf3791eb 100644 ---
> a/arch/arm/mach-ep93xx/vision_ep9307.c +++
> b/arch/arm/mach-ep93xx/vision_ep9307.c @@ -302,6 +302,7 @@ static
> void __init vision_init_machine(void) MACHINE_START(VISION_EP9307,
> "Vision Engraving Systems EP9307") /* Maintainer: H Hartley Sweeten
> <hsweeten@xxxxxxxxxxxxxxxxxxx> */ .atag_offset = 0x100,
> + .nr_irqs = NR_EP93XX_IRQS + EP93XX_BOARD_IRQS,
> .map_io = vision_map_io,
> .init_irq = ep93xx_init_irq,
> .init_time = ep93xx_timer_init,

Reviewed-by: Lukasz Majewski <lukma@xxxxxxx>


Best regards,

Lukasz Majewski

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