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Date:   Thu, 21 Jun 2018 17:10:44 -0700
From:   Dmitry Torokhov <dmitry.torokhov@gmail.com>
To:     Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc:     Tony Lindgren <tony@atomide.com>,
        Aaro Koskinen <aaro.koskinen@iki.fi>,
        "David S . Miller " <davem@davemloft.net>,
        Mauro Carvalho Chehab <mchehab+samsung@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Randy Dunlap <rdunlap@infradead.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Mark Brown <broonie@kernel.org>,
        Liam Girdwood <lgirdwood@gmail.com>,
        linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org,
        linux-input@vger.kernel.org, linux-gpio@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 08/10] ARM: OMAP1: Get rid of <mach/ams-delta-fiq.h>
Message-ID: <20180622001044.GE79890@dtor-ws>
References: <20180609140224.32606-1-jmkrzyszt@gmail.com>
 <20180621224128.17623-1-jmkrzyszt@gmail.com>
 <20180621224128.17623-8-jmkrzyszt@gmail.com>
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On Fri, Jun 22, 2018 at 12:41:26AM +0200, Janusz Krzysztofik wrote:
> Split the header file into two parts and move them to directories where
> they belong.
> 
> Information on internal structure of FIQ buffer is moved to
> <linux/platform_data/ams-delta-fiq.h> for ams-delta-serio driver use.
> 
> Other information used by ams-delta board init file and FIQ code is
> made local to mach-omap1 root directory.
> 
> Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>

Input bits look good.

Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

> ---
> Changelog:
> v2: rebased on v4.18-rc1, no conflicts
> 
>  MAINTAINERS                                        |  1 +
>  arch/arm/mach-omap1/ams-delta-fiq-handler.S        |  5 +--
>  arch/arm/mach-omap1/ams-delta-fiq.c                |  7 ++--
>  arch/arm/mach-omap1/ams-delta-fiq.h                | 41 ++++++++++++++++++++++
>  arch/arm/mach-omap1/board-ams-delta.c              |  2 +-
>  drivers/input/serio/ams_delta_serio.c              |  3 +-
>  .../linux/platform_data}/ams-delta-fiq.h           | 27 +++-----------
>  7 files changed, 56 insertions(+), 30 deletions(-)
>  create mode 100644 arch/arm/mach-omap1/ams-delta-fiq.h
>  rename {arch/arm/mach-omap1/include/mach => include/linux/platform_data}/ams-delta-fiq.h (71%)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 9d5eeff51b5f..c78b7dc42a81 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -10391,6 +10391,7 @@ F:	arch/arm/plat-omap/
>  F:	arch/arm/configs/omap1_defconfig
>  F:	drivers/i2c/busses/i2c-omap.c
>  F:	include/linux/platform_data/i2c-omap.h
> +F:	include/linux/platform_data/ams-delta-fiq.h
>  
>  OMAP2+ SUPPORT
>  M:	Tony Lindgren <tony@atomide.com>
> diff --git a/arch/arm/mach-omap1/ams-delta-fiq-handler.S b/arch/arm/mach-omap1/ams-delta-fiq-handler.S
> index bf608441b357..ddc27638ba2a 100644
> --- a/arch/arm/mach-omap1/ams-delta-fiq-handler.S
> +++ b/arch/arm/mach-omap1/ams-delta-fiq-handler.S
> @@ -14,11 +14,12 @@
>   */
>  
>  #include <linux/linkage.h>
> -#include <asm/assembler.h>
> +#include <linux/platform_data/ams-delta-fiq.h>
>  
> +#include <asm/assembler.h>
>  #include <mach/board-ams-delta.h>
> -#include <mach/ams-delta-fiq.h>
>  
> +#include "ams-delta-fiq.h"
>  #include "iomap.h"
>  #include "soc.h"
>  
> diff --git a/arch/arm/mach-omap1/ams-delta-fiq.c b/arch/arm/mach-omap1/ams-delta-fiq.c
> index 5a6c59ac9b5f..e72935034d42 100644
> --- a/arch/arm/mach-omap1/ams-delta-fiq.c
> +++ b/arch/arm/mach-omap1/ams-delta-fiq.c
> @@ -19,12 +19,13 @@
>  #include <linux/irq.h>
>  #include <linux/module.h>
>  #include <linux/io.h>
> +#include <linux/platform_data/ams-delta-fiq.h>
>  
>  #include <mach/board-ams-delta.h>
>  
>  #include <asm/fiq.h>
>  
> -#include <mach/ams-delta-fiq.h>
> +#include "ams-delta-fiq.h"
>  
>  static struct fiq_handler fh = {
>  	.name	= "ams-delta-fiq"
> @@ -35,8 +36,8 @@ static struct fiq_handler fh = {
>   * The FIQ and IRQ isrs can both read and write it.
>   * It is structured as a header section several 32bit slots,
>   * followed by the circular buffer where the FIQ isr stores
> - * keystrokes received from the qwerty keyboard.
> - * See ams-delta-fiq.h for details of offsets.
> + * keystrokes received from the qwerty keyboard.  See
> + * <linux/platform_data/ams-delta-fiq.h> for details of offsets.
>   */
>  unsigned int fiq_buffer[1024];
>  EXPORT_SYMBOL(fiq_buffer);
> diff --git a/arch/arm/mach-omap1/ams-delta-fiq.h b/arch/arm/mach-omap1/ams-delta-fiq.h
> new file mode 100644
> index 000000000000..3f691d68aa62
> --- /dev/null
> +++ b/arch/arm/mach-omap1/ams-delta-fiq.h
> @@ -0,0 +1,41 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +
> +/*
> + * arch/arm/mach-omap1/ams-delta-fiq.h
> + *
> + * Taken from the original Amstrad modifications to fiq.h
> + *
> + * Copyright (c) 2004 Amstrad Plc
> + * Copyright (c) 2006 Matt Callow
> + * Copyright (c) 2010 Janusz Krzysztofik
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +#ifndef __AMS_DELTA_FIQ_H
> +#define __AMS_DELTA_FIQ_H
> +
> +#include <mach/irqs.h>
> +
> +/*
> + * Interrupt number used for passing control from FIQ to IRQ.
> + * IRQ12, described as reserved, has been selected.
> + */
> +#define INT_DEFERRED_FIQ	INT_1510_RES12
> +/*
> + * Base address of an interrupt handler that the INT_DEFERRED_FIQ belongs to.
> + */
> +#if (INT_DEFERRED_FIQ < IH2_BASE)
> +#define DEFERRED_FIQ_IH_BASE	OMAP_IH1_BASE
> +#else
> +#define DEFERRED_FIQ_IH_BASE	OMAP_IH2_BASE
> +#endif
> +
> +#ifndef __ASSEMBLER__
> +extern unsigned char qwerty_fiqin_start, qwerty_fiqin_end;
> +
> +extern void __init ams_delta_init_fiq(struct gpio_chip *chip);
> +#endif
> +
> +#endif
> diff --git a/arch/arm/mach-omap1/board-ams-delta.c b/arch/arm/mach-omap1/board-ams-delta.c
> index f15c0793c34b..fe9a3e7cbfeb 100644
> --- a/arch/arm/mach-omap1/board-ams-delta.c
> +++ b/arch/arm/mach-omap1/board-ams-delta.c
> @@ -41,10 +41,10 @@
>  #include <mach/mux.h>
>  
>  #include <mach/hardware.h>
> -#include <mach/ams-delta-fiq.h>
>  #include "camera.h"
>  #include <mach/usb.h>
>  
> +#include "ams-delta-fiq.h"
>  #include "iomap.h"
>  #include "common.h"
>  
> diff --git a/drivers/input/serio/ams_delta_serio.c b/drivers/input/serio/ams_delta_serio.c
> index 7952a29f9540..2602f7cff5ae 100644
> --- a/drivers/input/serio/ams_delta_serio.c
> +++ b/drivers/input/serio/ams_delta_serio.c
> @@ -22,6 +22,7 @@
>   */
>  #include <linux/gpio.h>
>  #include <linux/irq.h>
> +#include <linux/platform_data/ams-delta-fiq.h>
>  #include <linux/platform_device.h>
>  #include <linux/regulator/consumer.h>
>  #include <linux/serio.h>
> @@ -30,8 +31,6 @@
>  
>  #include <mach/board-ams-delta.h>
>  
> -#include <mach/ams-delta-fiq.h>
> -
>  #define DRIVER_NAME	"ams-delta-serio"
>  
>  MODULE_AUTHOR("Matt Callow");
> diff --git a/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h b/include/linux/platform_data/ams-delta-fiq.h
> similarity index 71%
> rename from arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
> rename to include/linux/platform_data/ams-delta-fiq.h
> index a9769ff396bc..dc0f835ea918 100644
> --- a/arch/arm/mach-omap1/include/mach/ams-delta-fiq.h
> +++ b/include/linux/platform_data/ams-delta-fiq.h
> @@ -1,5 +1,7 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +
>  /*
> - * arch/arm/mach-omap1/include/ams-delta-fiq.h
> + * include/linux/platform_data/ams-delta-fiq.h
>   *
>   * Taken from the original Amstrad modifications to fiq.h
>   *
> @@ -11,24 +13,8 @@
>   * it under the terms of the GNU General Public License version 2 as
>   * published by the Free Software Foundation.
>   */
> -#ifndef __AMS_DELTA_FIQ_H
> -#define __AMS_DELTA_FIQ_H
> -
> -#include <mach/irqs.h>
> -
> -/*
> - * Interrupt number used for passing control from FIQ to IRQ.
> - * IRQ12, described as reserved, has been selected.
> - */
> -#define INT_DEFERRED_FIQ	INT_1510_RES12
> -/*
> - * Base address of an interrupt handler that the INT_DEFERRED_FIQ belongs to.
> - */
> -#if (INT_DEFERRED_FIQ < IH2_BASE)
> -#define DEFERRED_FIQ_IH_BASE	OMAP_IH1_BASE
> -#else
> -#define DEFERRED_FIQ_IH_BASE	OMAP_IH2_BASE
> -#endif
> +#ifndef __LINUX_PLATFORM_DATA_AMS_DELTA_FIQ_H
> +#define __LINUX_PLATFORM_DATA_AMS_DELTA_FIQ_H
>  
>  /*
>   * These are the offsets from the beginning of the fiq_buffer. They are put here
> @@ -71,9 +57,6 @@
>  
>  #ifndef __ASSEMBLER__
>  extern unsigned int fiq_buffer[];
> -extern unsigned char qwerty_fiqin_start, qwerty_fiqin_end;
> -
> -extern void __init ams_delta_init_fiq(struct gpio_chip *chip);
>  #endif
>  
>  #endif
> -- 
> 2.16.4
> 

-- 
Dmitry