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Date: Mon, 15 Apr 2019 21:41:06 +0200
From: Alexander Sverdlin <alexander.sverdlin@...il.com>
To: Arnd Bergmann <arnd@...db.de>,
Hartley Sweeten <hsweeten@...ionengravers.com>
Cc: Linus Walleij <linus.walleij@...aro.org>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
Jens Axboe <axboe@...nel.dk>,
Dmitry Torokhov <dmitry.torokhov@...il.com>,
Thierry Reding <thierry.reding@...il.com>,
Mark Brown <broonie@...nel.org>,
Olof Johansson <olof@...om.net>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-ide@...r.kernel.org, linux-input@...r.kernel.org,
linux-pwm@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH 3/4] ARM: ep93xx: move pinctrl interfaces into
include/linux/soc
On 15/04/2019 21:25, Arnd Bergmann wrote:
> ep93xx does not have a proper pinctrl driver, but does things
> ad-hoc through mach/platform.h, which is also used for setting
> up the boards.
>
> To avoid using mach/*.h headers completely, let's move the interfaces
> into include/linux/soc/. This is far from great, but gets the job
> done here, without the need for a proper pinctrl driver.
Acked-by: Alexander Sverdlin <alexander.sverdlin@...il.com>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
> arch/arm/mach-ep93xx/clock.c | 1 +
> arch/arm/mach-ep93xx/core.c | 2 ++
> arch/arm/mach-ep93xx/include/mach/platform.h | 16 ---------
> drivers/ata/pata_ep93xx.c | 2 +-
> drivers/input/keyboard/ep93xx_keypad.c | 3 +-
> drivers/pwm/pwm-ep93xx.c | 2 +-
> include/linux/soc/cirrus/ep93xx.h | 37 ++++++++++++++++++++
> sound/soc/cirrus/edb93xx.c | 2 +-
> sound/soc/cirrus/ep93xx-ac97.c | 1 +
> sound/soc/cirrus/ep93xx-i2s.c | 3 +-
> sound/soc/cirrus/simone.c | 2 +-
> sound/soc/cirrus/snappercl15.c | 2 +-
> 12 files changed, 48 insertions(+), 25 deletions(-)
> create mode 100644 include/linux/soc/cirrus/ep93xx.h
>
> diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c
> index d2eee707d27f..9f43362eb62d 100644
> --- a/arch/arm/mach-ep93xx/clock.c
> +++ b/arch/arm/mach-ep93xx/clock.c
> @@ -20,6 +20,7 @@
> #include <linux/io.h>
> #include <linux/spinlock.h>
> #include <linux/clkdev.h>
> +#include <linux/soc/cirrus/ep93xx.h>
>
> #include <mach/hardware.h>
>
> diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c
> index 706515faee06..3d245668846d 100644
> --- a/arch/arm/mach-ep93xx/core.c
> +++ b/arch/arm/mach-ep93xx/core.c
> @@ -43,6 +43,8 @@
> #include <linux/platform_data/video-ep93xx.h>
> #include <linux/platform_data/keypad-ep93xx.h>
> #include <linux/platform_data/spi-ep93xx.h>
> +#include <linux/soc/cirrus/ep93xx.h>
> +
> #include <mach/gpio-ep93xx.h>
>
> #include <asm/mach/arch.h>
> diff --git a/arch/arm/mach-ep93xx/include/mach/platform.h b/arch/arm/mach-ep93xx/include/mach/platform.h
> index 43446f33c2be..b4045a186239 100644
> --- a/arch/arm/mach-ep93xx/include/mach/platform.h
> +++ b/arch/arm/mach-ep93xx/include/mach/platform.h
> @@ -19,14 +19,6 @@ struct ep93xx_spi_info;
> void ep93xx_map_io(void);
> void ep93xx_init_irq(void);
>
> -#define EP93XX_CHIP_REV_D0 3
> -#define EP93XX_CHIP_REV_D1 4
> -#define EP93XX_CHIP_REV_E0 5
> -#define EP93XX_CHIP_REV_E1 6
> -#define EP93XX_CHIP_REV_E2 7
> -
> -unsigned int ep93xx_chip_revision(void);
> -
> void ep93xx_register_flash(unsigned int width,
> resource_size_t start, resource_size_t size);
>
> @@ -36,19 +28,11 @@ void ep93xx_register_spi(struct ep93xx_spi_info *info,
> struct spi_board_info *devices, int num);
> void ep93xx_register_fb(struct ep93xxfb_mach_info *data);
> void ep93xx_register_pwm(int pwm0, int pwm1);
> -int ep93xx_pwm_acquire_gpio(struct platform_device *pdev);
> -void ep93xx_pwm_release_gpio(struct platform_device *pdev);
> void ep93xx_register_keypad(struct ep93xx_keypad_platform_data *data);
> -int ep93xx_keypad_acquire_gpio(struct platform_device *pdev);
> -void ep93xx_keypad_release_gpio(struct platform_device *pdev);
> void ep93xx_register_i2s(void);
> -int ep93xx_i2s_acquire(void);
> -void ep93xx_i2s_release(void);
> void ep93xx_register_ac97(void);
> void ep93xx_register_ide(void);
> void ep93xx_register_adc(void);
> -int ep93xx_ide_acquire_gpio(struct platform_device *pdev);
> -void ep93xx_ide_release_gpio(struct platform_device *pdev);
>
> struct device *ep93xx_init_devices(void);
> extern void ep93xx_timer_init(void);
> diff --git a/drivers/ata/pata_ep93xx.c b/drivers/ata/pata_ep93xx.c
> index cc6d06c1b2c7..db271b705529 100644
> --- a/drivers/ata/pata_ep93xx.c
> +++ b/drivers/ata/pata_ep93xx.c
> @@ -44,7 +44,7 @@
> #include <linux/ktime.h>
>
> #include <linux/platform_data/dma-ep93xx.h>
> -#include <mach/platform.h>
> +#include <linux/soc/cirrus/ep93xx.h>
>
> #define DRV_NAME "ep93xx-ide"
> #define DRV_VERSION "1.0"
> diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
> index 71472f6257c0..575dac52f7b4 100644
> --- a/drivers/input/keyboard/ep93xx_keypad.c
> +++ b/drivers/input/keyboard/ep93xx_keypad.c
> @@ -27,8 +27,7 @@
> #include <linux/io.h>
> #include <linux/input/matrix_keypad.h>
> #include <linux/slab.h>
> -
> -#include <mach/hardware.h>
> +#include <linux/soc/cirrus/ep93xx.h>
> #include <linux/platform_data/keypad-ep93xx.h>
>
> /*
> diff --git a/drivers/pwm/pwm-ep93xx.c b/drivers/pwm/pwm-ep93xx.c
> index bbf10ae02f0e..fa168581e6b8 100644
> --- a/drivers/pwm/pwm-ep93xx.c
> +++ b/drivers/pwm/pwm-ep93xx.c
> @@ -35,7 +35,7 @@
>
> #include <asm/div64.h>
>
> -#include <mach/platform.h> /* for ep93xx_pwm_{acquire,release}_gpio() */
> +#include <linux/soc/cirrus/ep93xx.h> /* for ep93xx_pwm_{acquire,release}_gpio() */
>
> #define EP93XX_PWMx_TERM_COUNT 0x00
> #define EP93XX_PWMx_DUTY_CYCLE 0x04
> diff --git a/include/linux/soc/cirrus/ep93xx.h b/include/linux/soc/cirrus/ep93xx.h
> new file mode 100644
> index 000000000000..56fbe2dc59b1
> --- /dev/null
> +++ b/include/linux/soc/cirrus/ep93xx.h
> @@ -0,0 +1,37 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +#ifndef _SOC_EP93XX_H
> +#define _SOC_EP93XX_H
> +
> +struct platform_device;
> +
> +#define EP93XX_CHIP_REV_D0 3
> +#define EP93XX_CHIP_REV_D1 4
> +#define EP93XX_CHIP_REV_E0 5
> +#define EP93XX_CHIP_REV_E1 6
> +#define EP93XX_CHIP_REV_E2 7
> +
> +#ifdef CONFIG_ARCH_EP93XX
> +int ep93xx_pwm_acquire_gpio(struct platform_device *pdev);
> +void ep93xx_pwm_release_gpio(struct platform_device *pdev);
> +int ep93xx_ide_acquire_gpio(struct platform_device *pdev);
> +void ep93xx_ide_release_gpio(struct platform_device *pdev);
> +int ep93xx_keypad_acquire_gpio(struct platform_device *pdev);
> +void ep93xx_keypad_release_gpio(struct platform_device *pdev);
> +int ep93xx_i2s_acquire(void);
> +void ep93xx_i2s_release(void);
> +unsigned int ep93xx_chip_revision(void);
> +
> +#else
> +static inline int ep93xx_pwm_acquire_gpio(struct platform_device *pdev) { return 0; }
> +static inline void ep93xx_pwm_release_gpio(struct platform_device *pdev) {}
> +static inline int ep93xx_ide_acquire_gpio(struct platform_device *pdev) { return 0; }
> +static inline void ep93xx_ide_release_gpio(struct platform_device *pdev) {}
> +static inline int ep93xx_keypad_acquire_gpio(struct platform_device *pdev) { return 0; }
> +static inline void ep93xx_keypad_release_gpio(struct platform_device *pdev) {}
> +static inline int ep93xx_i2s_acquire(void) { return 0; }
> +static inline void ep93xx_i2s_release(void) {}
> +static inline unsigned int ep93xx_chip_revision(void) { return 0; }
> +
> +#endif
> +
> +#endif
> diff --git a/sound/soc/cirrus/edb93xx.c b/sound/soc/cirrus/edb93xx.c
> index 3d011abaa266..f678b4c1514a 100644
> --- a/sound/soc/cirrus/edb93xx.c
> +++ b/sound/soc/cirrus/edb93xx.c
> @@ -22,11 +22,11 @@
> #include <linux/platform_device.h>
> #include <linux/gpio.h>
> #include <linux/module.h>
> +#include <linux/soc/cirrus/ep93xx.h>
> #include <sound/core.h>
> #include <sound/pcm.h>
> #include <sound/soc.h>
> #include <asm/mach-types.h>
> -#include <mach/hardware.h>
>
> static int edb93xx_hw_params(struct snd_pcm_substream *substream,
> struct snd_pcm_hw_params *params)
> diff --git a/sound/soc/cirrus/ep93xx-ac97.c b/sound/soc/cirrus/ep93xx-ac97.c
> index cd5a939ad608..c6bc447429af 100644
> --- a/sound/soc/cirrus/ep93xx-ac97.c
> +++ b/sound/soc/cirrus/ep93xx-ac97.c
> @@ -24,6 +24,7 @@
> #include <sound/soc.h>
>
> #include <linux/platform_data/dma-ep93xx.h>
> +#include <linux/soc/cirrus/ep93xx.h>
>
> #include "ep93xx-pcm.h"
>
> diff --git a/sound/soc/cirrus/ep93xx-i2s.c b/sound/soc/cirrus/ep93xx-i2s.c
> index 0918c5da575a..beab7c516855 100644
> --- a/sound/soc/cirrus/ep93xx-i2s.c
> +++ b/sound/soc/cirrus/ep93xx-i2s.c
> @@ -27,9 +27,8 @@
> #include <sound/initval.h>
> #include <sound/soc.h>
>
> -#include <mach/hardware.h>
> -#include <mach/ep93xx-regs.h>
> #include <linux/platform_data/dma-ep93xx.h>
> +#include <linux/soc/cirrus/ep93xx.h>
>
> #include "ep93xx-pcm.h"
>
> diff --git a/sound/soc/cirrus/simone.c b/sound/soc/cirrus/simone.c
> index 1ec661834e5a..cb850530331b 100644
> --- a/sound/soc/cirrus/simone.c
> +++ b/sound/soc/cirrus/simone.c
> @@ -13,13 +13,13 @@
> #include <linux/init.h>
> #include <linux/module.h>
> #include <linux/platform_device.h>
> +#include <linux/soc/cirrus/ep93xx.h>
>
> #include <sound/core.h>
> #include <sound/pcm.h>
> #include <sound/soc.h>
>
> #include <asm/mach-types.h>
> -#include <mach/hardware.h>
>
> static struct snd_soc_dai_link simone_dai = {
> .name = "AC97",
> diff --git a/sound/soc/cirrus/snappercl15.c b/sound/soc/cirrus/snappercl15.c
> index 11ff7b2672b2..dea4909154c8 100644
> --- a/sound/soc/cirrus/snappercl15.c
> +++ b/sound/soc/cirrus/snappercl15.c
> @@ -13,12 +13,12 @@
>
> #include <linux/platform_device.h>
> #include <linux/module.h>
> +#include <linux/soc/cirrus/ep93xx.h>
> #include <sound/core.h>
> #include <sound/pcm.h>
> #include <sound/soc.h>
>
> #include <asm/mach-types.h>
> -#include <mach/hardware.h>
>
> #include "../codecs/tlv320aic23.h"
>
>
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