Re: [PATCH 4/4] phy: exynos: Use one define for enable bit

From: Lee Jones
Date: Wed Feb 08 2017 - 10:42:49 EST

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On Fri, 27 Jan 2017, Krzysztof Kozlowski wrote:

> There is no need for separate defines for Exynos4 and Exynos5 phy enable
> bit and MIPI phy reset bits. In both cases there are the same so
> simplify it.
>
> This reduces number of defines and allows removal of one header file.
>
> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> ---
> drivers/phy/phy-exynos-dp-video.c | 5 ++--
> drivers/phy/phy-exynos-mipi-video.c | 39 ++++++++++++++---------------
> drivers/phy/phy-exynos5-usbdrd.c | 5 ++--
> include/linux/mfd/syscon/exynos5-pmu.h | 24 ------------------

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

> include/linux/soc/samsung/exynos-regs-pmu.h | 3 ++-
> 5 files changed, 25 insertions(+), 51 deletions(-)
> delete mode 100644 include/linux/mfd/syscon/exynos5-pmu.h
>
> diff --git a/drivers/phy/phy-exynos-dp-video.c b/drivers/phy/phy-exynos-dp-video.c
> index d72193188980..bb3279dbf88c 100644
> --- a/drivers/phy/phy-exynos-dp-video.c
> +++ b/drivers/phy/phy-exynos-dp-video.c
> @@ -14,7 +14,6 @@
> #include <linux/kernel.h>
> #include <linux/module.h>
> #include <linux/mfd/syscon.h>
> -#include <linux/mfd/syscon/exynos5-pmu.h>
> #include <linux/of.h>
> #include <linux/of_address.h>
> #include <linux/phy/phy.h>
> @@ -37,7 +36,7 @@ static int exynos_dp_video_phy_power_on(struct phy *phy)
>
> /* Disable power isolation on DP-PHY */
> return regmap_update_bits(state->regs, state->drvdata->phy_ctrl_offset,
> - EXYNOS5_PHY_ENABLE, EXYNOS5_PHY_ENABLE);
> + EXYNOS4_PHY_ENABLE, EXYNOS4_PHY_ENABLE);
> }
>
> static int exynos_dp_video_phy_power_off(struct phy *phy)
> @@ -46,7 +45,7 @@ static int exynos_dp_video_phy_power_off(struct phy *phy)
>
> /* Enable power isolation on DP-PHY */
> return regmap_update_bits(state->regs, state->drvdata->phy_ctrl_offset,
> - EXYNOS5_PHY_ENABLE, 0);
> + EXYNOS4_PHY_ENABLE, 0);
> }
>
> static const struct phy_ops exynos_dp_video_phy_ops = {
> diff --git a/drivers/phy/phy-exynos-mipi-video.c b/drivers/phy/phy-exynos-mipi-video.c
> index acef1d92691e..c198886f80a3 100644
> --- a/drivers/phy/phy-exynos-mipi-video.c
> +++ b/drivers/phy/phy-exynos-mipi-video.c
> @@ -12,7 +12,6 @@
> #include <linux/err.h>
> #include <linux/io.h>
> #include <linux/kernel.h>
> -#include <linux/mfd/syscon/exynos5-pmu.h>
> #include <linux/module.h>
> #include <linux/of.h>
> #include <linux/of_address.h>
> @@ -64,7 +63,7 @@ static const struct mipi_phy_device_desc s5pv210_mipi_phy = {
> {
> /* EXYNOS_MIPI_PHY_ID_CSIS0 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_DSIM0,
> - .enable_val = EXYNOS4_MIPI_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(0),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> .resetn_val = EXYNOS4_MIPI_PHY_SRESETN,
> @@ -73,7 +72,7 @@ static const struct mipi_phy_device_desc s5pv210_mipi_phy = {
> }, {
> /* EXYNOS_MIPI_PHY_ID_DSIM0 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_CSIS0,
> - .enable_val = EXYNOS4_MIPI_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(0),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> .resetn_val = EXYNOS4_MIPI_PHY_MRESETN,
> @@ -82,7 +81,7 @@ static const struct mipi_phy_device_desc s5pv210_mipi_phy = {
> }, {
> /* EXYNOS_MIPI_PHY_ID_CSIS1 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_DSIM1,
> - .enable_val = EXYNOS4_MIPI_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(1),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> .resetn_val = EXYNOS4_MIPI_PHY_SRESETN,
> @@ -91,7 +90,7 @@ static const struct mipi_phy_device_desc s5pv210_mipi_phy = {
> }, {
> /* EXYNOS_MIPI_PHY_ID_DSIM1 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_CSIS1,
> - .enable_val = EXYNOS4_MIPI_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(1),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> .resetn_val = EXYNOS4_MIPI_PHY_MRESETN,
> @@ -109,46 +108,46 @@ static const struct mipi_phy_device_desc exynos5420_mipi_phy = {
> {
> /* EXYNOS_MIPI_PHY_ID_CSIS0 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_DSIM0,
> - .enable_val = EXYNOS5_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS5420_MIPI_PHY_CONTROL(0),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> - .resetn_val = EXYNOS5_MIPI_PHY_S_RESETN,
> + .resetn_val = EXYNOS4_MIPI_PHY_SRESETN,
> .resetn_reg = EXYNOS5420_MIPI_PHY_CONTROL(0),
> .resetn_map = EXYNOS_MIPI_REGMAP_PMU,
> }, {
> /* EXYNOS_MIPI_PHY_ID_DSIM0 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_CSIS0,
> - .enable_val = EXYNOS5_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS5420_MIPI_PHY_CONTROL(0),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> - .resetn_val = EXYNOS5_MIPI_PHY_M_RESETN,
> + .resetn_val = EXYNOS4_MIPI_PHY_MRESETN,
> .resetn_reg = EXYNOS5420_MIPI_PHY_CONTROL(0),
> .resetn_map = EXYNOS_MIPI_REGMAP_PMU,
> }, {
> /* EXYNOS_MIPI_PHY_ID_CSIS1 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_DSIM1,
> - .enable_val = EXYNOS5_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS5420_MIPI_PHY_CONTROL(1),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> - .resetn_val = EXYNOS5_MIPI_PHY_S_RESETN,
> + .resetn_val = EXYNOS4_MIPI_PHY_SRESETN,
> .resetn_reg = EXYNOS5420_MIPI_PHY_CONTROL(1),
> .resetn_map = EXYNOS_MIPI_REGMAP_PMU,
> }, {
> /* EXYNOS_MIPI_PHY_ID_DSIM1 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_CSIS1,
> - .enable_val = EXYNOS5_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS5420_MIPI_PHY_CONTROL(1),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> - .resetn_val = EXYNOS5_MIPI_PHY_M_RESETN,
> + .resetn_val = EXYNOS4_MIPI_PHY_MRESETN,
> .resetn_reg = EXYNOS5420_MIPI_PHY_CONTROL(1),
> .resetn_map = EXYNOS_MIPI_REGMAP_PMU,
> }, {
> /* EXYNOS_MIPI_PHY_ID_CSIS2 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_NONE,
> - .enable_val = EXYNOS5_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS5420_MIPI_PHY_CONTROL(2),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> - .resetn_val = EXYNOS5_MIPI_PHY_S_RESETN,
> + .resetn_val = EXYNOS4_MIPI_PHY_SRESETN,
> .resetn_reg = EXYNOS5420_MIPI_PHY_CONTROL(2),
> .resetn_map = EXYNOS_MIPI_REGMAP_PMU,
> },
> @@ -172,7 +171,7 @@ static const struct mipi_phy_device_desc exynos5433_mipi_phy = {
> {
> /* EXYNOS_MIPI_PHY_ID_CSIS0 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_DSIM0,
> - .enable_val = EXYNOS5_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(0),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> .resetn_val = BIT(0),
> @@ -181,7 +180,7 @@ static const struct mipi_phy_device_desc exynos5433_mipi_phy = {
> }, {
> /* EXYNOS_MIPI_PHY_ID_DSIM0 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_CSIS0,
> - .enable_val = EXYNOS5_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(0),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> .resetn_val = BIT(0),
> @@ -190,7 +189,7 @@ static const struct mipi_phy_device_desc exynos5433_mipi_phy = {
> }, {
> /* EXYNOS_MIPI_PHY_ID_CSIS1 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_NONE,
> - .enable_val = EXYNOS5_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(1),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> .resetn_val = BIT(1),
> @@ -199,7 +198,7 @@ static const struct mipi_phy_device_desc exynos5433_mipi_phy = {
> }, {
> /* EXYNOS_MIPI_PHY_ID_DSIM1 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_NONE,
> - .enable_val = EXYNOS5_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(1),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> .resetn_val = BIT(1),
> @@ -208,7 +207,7 @@ static const struct mipi_phy_device_desc exynos5433_mipi_phy = {
> }, {
> /* EXYNOS_MIPI_PHY_ID_CSIS2 */
> .coupled_phy_id = EXYNOS_MIPI_PHY_ID_NONE,
> - .enable_val = EXYNOS5_PHY_ENABLE,
> + .enable_val = EXYNOS4_PHY_ENABLE,
> .enable_reg = EXYNOS4_MIPI_PHY_CONTROL(2),
> .enable_map = EXYNOS_MIPI_REGMAP_PMU,
> .resetn_val = BIT(0),
> diff --git a/drivers/phy/phy-exynos5-usbdrd.c b/drivers/phy/phy-exynos5-usbdrd.c
> index 7c896d0cda18..7c41daa2c625 100644
> --- a/drivers/phy/phy-exynos5-usbdrd.c
> +++ b/drivers/phy/phy-exynos5-usbdrd.c
> @@ -22,7 +22,6 @@
> #include <linux/platform_device.h>
> #include <linux/mutex.h>
> #include <linux/mfd/syscon.h>
> -#include <linux/mfd/syscon/exynos5-pmu.h>
> #include <linux/regmap.h>
> #include <linux/regulator/consumer.h>
> #include <linux/soc/samsung/exynos-regs-pmu.h>
> @@ -236,10 +235,10 @@ static void exynos5_usbdrd_phy_isol(struct phy_usb_instance *inst,
> if (!inst->reg_pmu)
> return;
>
> - val = on ? 0 : EXYNOS5_PHY_ENABLE;
> + val = on ? 0 : EXYNOS4_PHY_ENABLE;
>
> regmap_update_bits(inst->reg_pmu, inst->pmu_offset,
> - EXYNOS5_PHY_ENABLE, val);
> + EXYNOS4_PHY_ENABLE, val);
> }
>
> /*
> diff --git a/include/linux/mfd/syscon/exynos5-pmu.h b/include/linux/mfd/syscon/exynos5-pmu.h
> deleted file mode 100644
> index 6108857ffcca..000000000000
> --- a/include/linux/mfd/syscon/exynos5-pmu.h
> +++ /dev/null
> @@ -1,24 +0,0 @@
> -/*
> - * Exynos5 SoC series Power Management Unit (PMU) register offsets
> - * and bit definitions.
> - *
> - * Copyright (C) 2014 Samsung Electronics Co., Ltd.
> - *
> - * 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 _LINUX_MFD_SYSCON_PMU_EXYNOS5_H_
> -#define _LINUX_MFD_SYSCON_PMU_EXYNOS5_H_
> -
> -/* Exynos5 PMU register definitions */
> -
> -/* Exynos5250 specific register definitions */
> -
> -/* Exynos5420 specific register definitions */
> -
> -#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 6dbd65012ccd..b7e961a7a43a 100644
> --- a/include/linux/soc/samsung/exynos-regs-pmu.h
> +++ b/include/linux/soc/samsung/exynos-regs-pmu.h
> @@ -52,7 +52,8 @@
>
> /* MIPI_PHYn_CONTROL, valid for Exynos3250, Exynos4, Exynos5250 and Exynos5433 */
> #define EXYNOS4_MIPI_PHY_CONTROL(n) (0x0710 + (n) * 4)
> -#define EXYNOS4_MIPI_PHY_ENABLE (1 << 0)
> +/* Phy enable bit, common for all phy registers, not only MIPI */
> +#define EXYNOS4_PHY_ENABLE (1 << 0)
> #define EXYNOS4_MIPI_PHY_SRESETN (1 << 1)
> #define EXYNOS4_MIPI_PHY_MRESETN (1 << 2)
> #define EXYNOS4_MIPI_PHY_RESET_MASK (3 << 1)

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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Next message: Cheah Kok Cheong: "Re: [PATCH] Staging: comedi: drivers: comedi_test: Add auto-configuration capability"
Previous message: Peter Rosin: "[PATCH v9 02/10] dt-bindings: document devicetree bindings for mux-controllers and gpio-mux"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]