linux-kernel - Re: [PATCH 2/4] phy: exynos5: Remove duplicated defines of PHY register defines

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Message-ID: <20170208115940.anjjpg7ygspca7tf@dell>
Date:   Wed, 8 Feb 2017 11:59:40 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Marek Szyprowski <m.szyprowski@...sung.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Kukjin Kim <kgene@...nel.org>,
        Javier Martinez Canillas <javier@....samsung.com>,
        Sylwester Nawrocki <s.nawrocki@...sung.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH 2/4] phy: exynos5: Remove duplicated defines of PHY
 register defines

On Fri, 27 Jan 2017, Krzysztof Kozlowski wrote:

> Phy drivers access PMU region through regmap provided by exynos-pmu
> driver.   However there is no need to duplicate defines for PMU
> registers.  Instead just use whatever is defined in exynos-regs-pmu.h.
> 
> This reduces number of defines and allows removal of one header.
> 
> Suggested-by: Marek Szyprowski <m.szyprowski@...sung.com>
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
> ---
>  drivers/phy/phy-exynos-dp-video.c           |  1 +
>  drivers/phy/phy-exynos5-usbdrd.c            |  1 +
>  include/linux/mfd/syscon/exynos5-pmu.h      | 22 ----------------------

Acked-by: Lee Jones <lee.jones@...aro.org>

>  include/linux/soc/samsung/exynos-regs-pmu.h |  8 ++++++++
>  4 files changed, 10 insertions(+), 22 deletions(-)
> 
> diff --git a/drivers/phy/phy-exynos-dp-video.c b/drivers/phy/phy-exynos-dp-video.c
> index 34b06154e5d9..d72193188980 100644
> --- a/drivers/phy/phy-exynos-dp-video.c
> +++ b/drivers/phy/phy-exynos-dp-video.c
> @@ -20,6 +20,7 @@
>  #include <linux/phy/phy.h>
>  #include <linux/platform_device.h>
>  #include <linux/regmap.h>
> +#include <linux/soc/samsung/exynos-regs-pmu.h>
>  
>  struct exynos_dp_video_phy_drvdata {
>  	u32 phy_ctrl_offset;
> diff --git a/drivers/phy/phy-exynos5-usbdrd.c b/drivers/phy/phy-exynos5-usbdrd.c
> index 07ed608905ac..7c896d0cda18 100644
> --- a/drivers/phy/phy-exynos5-usbdrd.c
> +++ b/drivers/phy/phy-exynos5-usbdrd.c
> @@ -25,6 +25,7 @@
>  #include <linux/mfd/syscon/exynos5-pmu.h>
>  #include <linux/regmap.h>
>  #include <linux/regulator/consumer.h>
> +#include <linux/soc/samsung/exynos-regs-pmu.h>
>  
>  /* Exynos USB PHY registers */
>  #define EXYNOS5_FSEL_9MHZ6		0x0
> diff --git a/include/linux/mfd/syscon/exynos5-pmu.h b/include/linux/mfd/syscon/exynos5-pmu.h
> index 02af8dece914..6108857ffcca 100644
> --- a/include/linux/mfd/syscon/exynos5-pmu.h
> +++ b/include/linux/mfd/syscon/exynos5-pmu.h
> @@ -13,34 +13,12 @@
>  #define _LINUX_MFD_SYSCON_PMU_EXYNOS5_H_
>  
>  /* Exynos5 PMU register definitions */
> -#define EXYNOS5_HDMI_PHY_CONTROL		(0x700)
> -#define EXYNOS5_USBDRD_PHY_CONTROL		(0x704)
>  
>  /* Exynos5250 specific register definitions */
> -#define EXYNOS5_USBHOST_PHY_CONTROL		(0x708)
> -#define EXYNOS5_EFNAND_PHY_CONTROL		(0x70c)
> -#define EXYNOS5_MIPI_PHY0_CONTROL		(0x710)
> -#define EXYNOS5_MIPI_PHY1_CONTROL		(0x714)
> -#define EXYNOS5_ADC_PHY_CONTROL			(0x718)
> -#define EXYNOS5_MTCADC_PHY_CONTROL		(0x71c)
> -#define EXYNOS5_DPTX_PHY_CONTROL		(0x720)
> -#define EXYNOS5_SATA_PHY_CONTROL		(0x724)
>  
>  /* Exynos5420 specific register definitions */
> -#define EXYNOS5420_USBDRD1_PHY_CONTROL		(0x708)
> -#define EXYNOS5420_USBHOST_PHY_CONTROL		(0x70c)
> -#define EXYNOS5420_MIPI_PHY0_CONTROL		(0x714)
> -#define EXYNOS5420_MIPI_PHY1_CONTROL		(0x718)
> -#define EXYNOS5420_MIPI_PHY2_CONTROL		(0x71c)
> -#define EXYNOS5420_ADC_PHY_CONTROL		(0x720)
> -#define EXYNOS5420_MTCADC_PHY_CONTROL		(0x724)
> -#define EXYNOS5420_DPTX_PHY_CONTROL		(0x728)
> -
> -/* Exynos5433 specific register definitions */
> -#define EXYNOS5433_USBHOST30_PHY_CONTROL	(0x728)
>  
>  #define EXYNOS5_PHY_ENABLE			BIT(0)
>  #define EXYNOS5_MIPI_PHY_S_RESETN		BIT(1)
>  #define EXYNOS5_MIPI_PHY_M_RESETN		BIT(2)
> -
>  #endif /* _LINUX_MFD_SYSCON_PMU_EXYNOS5_H_ */
> diff --git a/include/linux/soc/samsung/exynos-regs-pmu.h b/include/linux/soc/samsung/exynos-regs-pmu.h
> index 637ead0efd36..d861e757bef8 100644
> --- a/include/linux/soc/samsung/exynos-regs-pmu.h
> +++ b/include/linux/soc/samsung/exynos-regs-pmu.h
> @@ -349,6 +349,8 @@
>  
>  #define EXYNOS5_AUTO_WDTRESET_DISABLE				0x0408
>  #define EXYNOS5_MASK_WDTRESET_REQUEST				0x040C
> +#define EXYNOS5_USBDRD_PHY_CONTROL				0x0704
> +#define EXYNOS5_DPTX_PHY_CONTROL				0x0720
>  
>  #define EXYNOS5_USE_RETENTION			BIT(4)
>  #define EXYNOS5_SYS_WDTRESET					(1 << 20)
> @@ -502,6 +504,11 @@
>  #define EXYNOS5420_KFC_CORE_RESET(_nr)				\
>  	((EXYNOS5420_KFC_CORE_RESET0 | EXYNOS5420_KFC_ETM_RESET0) << (_nr))
>  
> +#define EXYNOS5420_USBDRD1_PHY_CONTROL				0x0708
> +#define EXYNOS5420_MIPI_PHY0_CONTROL				0x0714
> +#define EXYNOS5420_MIPI_PHY1_CONTROL				0x0718
> +#define EXYNOS5420_MIPI_PHY2_CONTROL				0x071C
> +#define EXYNOS5420_DPTX_PHY_CONTROL				0x0728
>  #define EXYNOS5420_ARM_CORE2_SYS_PWR_REG			0x1020
>  #define EXYNOS5420_DIS_IRQ_ARM_CORE2_LOCAL_SYS_PWR_REG		0x1024
>  #define EXYNOS5420_DIS_IRQ_ARM_CORE2_CENTRAL_SYS_PWR_REG	0x1028
> @@ -639,6 +646,7 @@
>  					 | EXYNOS5420_KFC_USE_STANDBY_WFI3)
>  
>  /* For EXYNOS5433 */
> +#define EXYNOS5433_USBHOST30_PHY_CONTROL			(0x0728)
>  #define EXYNOS5433_PAD_RETENTION_AUD_OPTION			(0x3028)
>  #define EXYNOS5433_PAD_RETENTION_MMC2_OPTION			(0x30C8)
>  #define EXYNOS5433_PAD_RETENTION_TOP_OPTION			(0x3108)

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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