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Message-ID: <51C20810.5070601@ti.com>
Date: Wed, 19 Jun 2013 15:35:44 -0400
From: Eduardo Valentin <eduardo.valentin@...com>
To: Amit Daniel Kachhap <amit.daniel@...sung.com>
CC: <linux-pm@...r.kernel.org>, Zhang Rui <rui.zhang@...el.com>,
Eduardo Valentin <eduardo.valentin@...com>,
<linux-samsung-soc@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <amit.kachhap@...il.com>,
Kukjin Kim <kgene.kim@...sung.com>, <jonghwa3.lee@...sung.com>
Subject: Re: [PATCH V6 07/30] thermal: exynos: Bifurcate exynos tmu driver
and configuration data
Rui,
On 17-06-2013 02:46, Amit Daniel Kachhap wrote:
> This code splits the exynos tmu driver code into SOC specific data parts.
> This will simplify adding new SOC specific data to the same TMU controller.
>
> Acked-by: Kukjin Kim <kgene.kim@...sung.com>
> Acked-by: Jonghwa Lee <jonghwa3.lee@...sung.com>
> Signed-off-by: Amit Daniel Kachhap <amit.daniel@...sung.com>
This patch looks good to me, you may want to add my:
Acked-by: Eduardo Valentin <eduardo.valentin@...com>
> ---
> drivers/thermal/samsung/Kconfig | 3 +-
> drivers/thermal/samsung/Makefile | 1 +
> drivers/thermal/samsung/exynos_tmu.c | 67 ++-----------------------
> drivers/thermal/samsung/exynos_tmu_data.c | 78 +++++++++++++++++++++++++++++
> drivers/thermal/samsung/exynos_tmu_data.h | 40 +++++++++++++++
> 5 files changed, 125 insertions(+), 64 deletions(-)
> create mode 100644 drivers/thermal/samsung/exynos_tmu_data.c
> create mode 100644 drivers/thermal/samsung/exynos_tmu_data.h
>
> diff --git a/drivers/thermal/samsung/Kconfig b/drivers/thermal/samsung/Kconfig
> index f8100b1..b653f15 100644
> --- a/drivers/thermal/samsung/Kconfig
> +++ b/drivers/thermal/samsung/Kconfig
> @@ -5,7 +5,8 @@ config EXYNOS_THERMAL
> If you say yes here you get support for the TMU (Thermal Management
> Unit) driver for SAMSUNG EXYNOS series of soc. This driver initialises
> the TMU, reports temperature and handles cooling action if defined.
> - This driver uses the exynos core thermal API's.
> + This driver uses the exynos core thermal API's and TMU configuration
> + data from the supported soc's.
>
> config EXYNOS_THERMAL_CORE
> bool "Core thermal framework support for EXYNOS SOC's"
> diff --git a/drivers/thermal/samsung/Makefile b/drivers/thermal/samsung/Makefile
> index 22528d6..c09d830 100644
> --- a/drivers/thermal/samsung/Makefile
> +++ b/drivers/thermal/samsung/Makefile
> @@ -3,4 +3,5 @@
> #
> obj-$(CONFIG_EXYNOS_THERMAL) += exynos_thermal.o
> exynos_thermal-y := exynos_tmu.o
> +exynos_thermal-y += exynos_tmu_data.o
> exynos_thermal-$(CONFIG_EXYNOS_THERMAL_CORE) += exynos_thermal_common.o
> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
> index 6aa2fd2..5df04a1 100644
> --- a/drivers/thermal/samsung/exynos_tmu.c
> +++ b/drivers/thermal/samsung/exynos_tmu.c
> @@ -30,6 +30,7 @@
>
> #include "exynos_thermal_common.h"
> #include "exynos_tmu.h"
> +#include "exynos_tmu_data.h"
>
> /* Exynos generic registers */
> #define EXYNOS_TMU_REG_TRIMINFO 0x0
> @@ -381,66 +382,6 @@ static struct thermal_sensor_conf exynos_sensor_conf = {
> .write_emul_temp = exynos_tmu_set_emulation,
> };
>
> -#if defined(CONFIG_CPU_EXYNOS4210)
> -static struct exynos_tmu_platform_data const exynos4210_default_tmu_data = {
> - .threshold = 80,
> - .trigger_levels[0] = 5,
> - .trigger_levels[1] = 20,
> - .trigger_levels[2] = 30,
> - .trigger_level0_en = 1,
> - .trigger_level1_en = 1,
> - .trigger_level2_en = 1,
> - .trigger_level3_en = 0,
> - .gain = 15,
> - .reference_voltage = 7,
> - .cal_type = TYPE_ONE_POINT_TRIMMING,
> - .freq_tab[0] = {
> - .freq_clip_max = 800 * 1000,
> - .temp_level = 85,
> - },
> - .freq_tab[1] = {
> - .freq_clip_max = 200 * 1000,
> - .temp_level = 100,
> - },
> - .freq_tab_count = 2,
> - .type = SOC_ARCH_EXYNOS4210,
> -};
> -#define EXYNOS4210_TMU_DRV_DATA (&exynos4210_default_tmu_data)
> -#else
> -#define EXYNOS4210_TMU_DRV_DATA (NULL)
> -#endif
> -
> -#if defined(CONFIG_SOC_EXYNOS5250) || defined(CONFIG_SOC_EXYNOS4412)
> -static struct exynos_tmu_platform_data const exynos_default_tmu_data = {
> - .threshold_falling = 10,
> - .trigger_levels[0] = 85,
> - .trigger_levels[1] = 103,
> - .trigger_levels[2] = 110,
> - .trigger_level0_en = 1,
> - .trigger_level1_en = 1,
> - .trigger_level2_en = 1,
> - .trigger_level3_en = 0,
> - .gain = 8,
> - .reference_voltage = 16,
> - .noise_cancel_mode = 4,
> - .cal_type = TYPE_ONE_POINT_TRIMMING,
> - .efuse_value = 55,
> - .freq_tab[0] = {
> - .freq_clip_max = 800 * 1000,
> - .temp_level = 85,
> - },
> - .freq_tab[1] = {
> - .freq_clip_max = 200 * 1000,
> - .temp_level = 103,
> - },
> - .freq_tab_count = 2,
> - .type = SOC_ARCH_EXYNOS,
> -};
> -#define EXYNOS_TMU_DRV_DATA (&exynos_default_tmu_data)
> -#else
> -#define EXYNOS_TMU_DRV_DATA (NULL)
> -#endif
> -
> #ifdef CONFIG_OF
> static const struct of_device_id exynos_tmu_match[] = {
> {
> @@ -449,11 +390,11 @@ static const struct of_device_id exynos_tmu_match[] = {
> },
> {
> .compatible = "samsung,exynos4412-tmu",
> - .data = (void *)EXYNOS_TMU_DRV_DATA,
> + .data = (void *)EXYNOS5250_TMU_DRV_DATA,
> },
> {
> .compatible = "samsung,exynos5250-tmu",
> - .data = (void *)EXYNOS_TMU_DRV_DATA,
> + .data = (void *)EXYNOS5250_TMU_DRV_DATA,
> },
> {},
> };
> @@ -467,7 +408,7 @@ static struct platform_device_id exynos_tmu_driver_ids[] = {
> },
> {
> .name = "exynos5250-tmu",
> - .driver_data = (kernel_ulong_t)EXYNOS_TMU_DRV_DATA,
> + .driver_data = (kernel_ulong_t)EXYNOS5250_TMU_DRV_DATA,
> },
> { },
> };
> diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c
> new file mode 100644
> index 0000000..13a60ca
> --- /dev/null
> +++ b/drivers/thermal/samsung/exynos_tmu_data.c
> @@ -0,0 +1,78 @@
> +/*
> + * exynos_tmu_data.c - Samsung EXYNOS tmu data file
> + *
> + * Copyright (C) 2013 Samsung Electronics
> + * Amit Daniel Kachhap <amit.daniel@...sung.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> + *
> + */
> +
> +#include "exynos_thermal_common.h"
> +#include "exynos_tmu.h"
> +
> +#if defined(CONFIG_CPU_EXYNOS4210)
> +struct exynos_tmu_platform_data const exynos4210_default_tmu_data = {
> + .threshold = 80,
> + .trigger_levels[0] = 5,
> + .trigger_levels[1] = 20,
> + .trigger_levels[2] = 30,
> + .trigger_level0_en = 1,
> + .trigger_level1_en = 1,
> + .trigger_level2_en = 1,
> + .trigger_level3_en = 0,
> + .gain = 15,
> + .reference_voltage = 7,
> + .cal_type = TYPE_ONE_POINT_TRIMMING,
> + .freq_tab[0] = {
> + .freq_clip_max = 800 * 1000,
> + .temp_level = 85,
> + },
> + .freq_tab[1] = {
> + .freq_clip_max = 200 * 1000,
> + .temp_level = 100,
> + },
> + .freq_tab_count = 2,
> + .type = SOC_ARCH_EXYNOS4210,
> +};
> +#endif
> +
> +#if defined(CONFIG_SOC_EXYNOS5250) || defined(CONFIG_SOC_EXYNOS4412)
> +struct exynos_tmu_platform_data const exynos5250_default_tmu_data = {
> + .threshold_falling = 10,
> + .trigger_levels[0] = 85,
> + .trigger_levels[1] = 103,
> + .trigger_levels[2] = 110,
> + .trigger_level0_en = 1,
> + .trigger_level1_en = 1,
> + .trigger_level2_en = 1,
> + .trigger_level3_en = 0,
> + .gain = 8,
> + .reference_voltage = 16,
> + .noise_cancel_mode = 4,
> + .cal_type = TYPE_ONE_POINT_TRIMMING,
> + .efuse_value = 55,
> + .freq_tab[0] = {
> + .freq_clip_max = 800 * 1000,
> + .temp_level = 85,
> + },
> + .freq_tab[1] = {
> + .freq_clip_max = 200 * 1000,
> + .temp_level = 103,
> + },
> + .freq_tab_count = 2,
> + .type = SOC_ARCH_EXYNOS,
> +};
> +#endif
> diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h
> new file mode 100644
> index 0000000..b7835fe
> --- /dev/null
> +++ b/drivers/thermal/samsung/exynos_tmu_data.h
> @@ -0,0 +1,40 @@
> +/*
> + * exynos_tmu_data.h - Samsung EXYNOS tmu data header file
> + *
> + * Copyright (C) 2013 Samsung Electronics
> + * Amit Daniel Kachhap <amit.daniel@...sung.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License as published by
> + * the Free Software Foundation; either version 2 of the License, or
> + * (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
> + *
> + */
> +
> +#ifndef _EXYNOS_TMU_DATA_H
> +#define _EXYNOS_TMU_DATA_H
> +
> +#if defined(CONFIG_CPU_EXYNOS4210)
> +extern struct exynos_tmu_platform_data const exynos4210_default_tmu_data;
> +#define EXYNOS4210_TMU_DRV_DATA (&exynos4210_default_tmu_data)
> +#else
> +#define EXYNOS4210_TMU_DRV_DATA (NULL)
> +#endif
> +
> +#if (defined(CONFIG_SOC_EXYNOS5250) || defined(CONFIG_SOC_EXYNOS4412))
> +extern struct exynos_tmu_platform_data const exynos5250_default_tmu_data;
> +#define EXYNOS5250_TMU_DRV_DATA (&exynos5250_default_tmu_data)
> +#else
> +#define EXYNOS5250_TMU_DRV_DATA (NULL)
> +#endif
> +
> +#endif /*_EXYNOS_TMU_DATA_H*/
>
--
You have got to be excited about what you are doing. (L. Lamport)
Eduardo Valentin
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