linux-kernel - Re: [PATCH 13/36] ARM: s3c: move regs-spi.h into spi driver

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Message-ID: <20191023123200.GC11048@pi3>
Date:   Wed, 23 Oct 2019 14:32:00 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Kukjin Kim <kgene@...nel.org>, Andi Shyti <andi@...zian.org>,
        Mark Brown <broonie@...nel.org>,
        linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linus.walleij@...aro.org,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org
Subject: Re: [PATCH 13/36] ARM: s3c: move regs-spi.h into spi driver

On Thu, Oct 10, 2019 at 10:29:57PM +0200, Arnd Bergmann wrote:
> The file is mostly specific to the driver, the few bits that
> are actually used by the platform code get moved to mach/map.h
> instead.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  arch/arm/mach-s3c24xx/include/mach/map.h                      | 2 ++
>  arch/arm/mach-s3c24xx/s3c2412.c                               | 1 -
>  arch/arm/plat-samsung/devs.c                                  | 1 -
>  drivers/spi/spi-s3c24xx-fiq.S                                 | 4 +++-
>  .../include/plat/regs-spi.h => drivers/spi/spi-s3c24xx-regs.h | 3 ---
>  drivers/spi/spi-s3c24xx.c                                     | 3 +--
>  6 files changed, 6 insertions(+), 8 deletions(-)
>  rename arch/arm/plat-samsung/include/plat/regs-spi.h => drivers/spi/spi-s3c24xx-regs.h (95%)
> 
> diff --git a/arch/arm/mach-s3c24xx/include/mach/map.h b/arch/arm/mach-s3c24xx/include/mach/map.h
> index bca93112f57d..a20c9fd0d855 100644
> --- a/arch/arm/mach-s3c24xx/include/mach/map.h
> +++ b/arch/arm/mach-s3c24xx/include/mach/map.h
> @@ -86,6 +86,8 @@
>  #define S3C2410_PA_SPI	   (0x59000000)
>  #define S3C2443_PA_SPI0		(0x52000000)
>  #define S3C2443_PA_SPI1		S3C2410_PA_SPI
> +#define S3C2410_SPI1		(0x20)
> +#define S3C2412_SPI1		(0x100)
>  
>  /* SDI */
>  #define S3C2410_PA_SDI	   (0x5A000000)
> diff --git a/arch/arm/mach-s3c24xx/s3c2412.c b/arch/arm/mach-s3c24xx/s3c2412.c
> index 8fe4d4670dcb..c3fb3e6c0dd8 100644
> --- a/arch/arm/mach-s3c24xx/s3c2412.c
> +++ b/arch/arm/mach-s3c24xx/s3c2412.c
> @@ -37,7 +37,6 @@
>  #include <plat/cpu-freq.h>
>  #include <plat/devs.h>
>  #include <plat/pm.h>
> -#include <plat/regs-spi.h>
>  
>  #include "common.h"
>  #include "nand-core.h"
> diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
> index 6e4c1cb07104..fd94a35e22f8 100644
> --- a/arch/arm/plat-samsung/devs.c
> +++ b/arch/arm/plat-samsung/devs.c
> @@ -59,7 +59,6 @@
>  #include <linux/platform_data/usb-s3c2410_udc.h>
>  #include <linux/platform_data/usb-ohci-s3c2410.h>
>  #include <plat/usb-phy.h>
> -#include <plat/regs-spi.h>
>  #include <linux/platform_data/asoc-s3c.h>
>  #include <linux/platform_data/spi-s3c64xx.h>
>  
> diff --git a/drivers/spi/spi-s3c24xx-fiq.S b/drivers/spi/spi-s3c24xx-fiq.S
> index e95d6282109e..9d5f8f1e5e81 100644
> --- a/drivers/spi/spi-s3c24xx-fiq.S
> +++ b/drivers/spi/spi-s3c24xx-fiq.S
> @@ -12,10 +12,12 @@
>  
>  #include <mach/map.h>
>  #include <mach/regs-irq.h>
> -#include <plat/regs-spi.h>
>  
>  #include "spi-s3c24xx-fiq.h"
>  
> +#define S3C2410_SPTDAT           (0x10)
> +#define S3C2410_SPRDAT           (0x14)
> +
>  	.text
>  
>  	@ entry to these routines is as follows, with the register names
> diff --git a/arch/arm/plat-samsung/include/plat/regs-spi.h b/drivers/spi/spi-s3c24xx-regs.h
> similarity index 95%
> rename from arch/arm/plat-samsung/include/plat/regs-spi.h
> rename to drivers/spi/spi-s3c24xx-regs.h
> index 607844311566..37b93ff7c7fe 100644
> --- a/arch/arm/plat-samsung/include/plat/regs-spi.h
> +++ b/drivers/spi/spi-s3c24xx-regs.h
> @@ -8,9 +8,6 @@
>  #ifndef __ASM_ARCH_REGS_SPI_H
>  #define __ASM_ARCH_REGS_SPI_H

Can you also update the guard name?

Best regards,
Krzysztof

>  
> -#define S3C2410_SPI1		(0x20)
> -#define S3C2412_SPI1		(0x100)
> -
>  #define S3C2410_SPCON		(0x00)
>  
>  #define S3C2410_SPCON_SMOD_DMA	(2 << 5)	/* DMA mode */
> diff --git a/drivers/spi/spi-s3c24xx.c b/drivers/spi/spi-s3c24xx.c
> index 2d6e37f25e2d..2f395e4861f6 100644
> --- a/drivers/spi/spi-s3c24xx.c
> +++ b/drivers/spi/spi-s3c24xx.c
> @@ -21,10 +21,9 @@
>  #include <linux/spi/s3c24xx.h>
>  #include <linux/module.h>
>  
> -#include <plat/regs-spi.h>
> -
>  #include <asm/fiq.h>
>  
> +#include "spi-s3c24xx-regs.h"
>  #include "spi-s3c24xx-fiq.h"
>  
>  /**
> -- 
> 2.20.0
>