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Date: Fri, 21 Jun 2013 10:36:55 +0530
From: amit daniel kachhap <amit.daniel@...sung.com>
To: Eduardo Valentin <eduardo.valentin@...com>
Cc: linux-pm@...r.kernel.org, Zhang Rui <rui.zhang@...el.com>,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
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
On Thu, Jun 20, 2013 at 1:13 AM, Eduardo Valentin
<eduardo.valentin@...com> wrote:
> On 19-06-2013 15:35, Eduardo Valentin wrote:
>> 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>
>
> Yet another minor before adding my ack, sorry this one almost fell into
> the cracks (see below):
>
>>
>>> ---
>>> 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"
>
> You have to:
> +#include "exynos_tmu_data.h"
>
> Otherwise, you will get:
> CC [M] drivers/thermal/samsung/exynos_tmu.o
> drivers/thermal/samsung/exynos_tmu_data.c:27:39: warning: symbol
> 'exynos4210_default_tmu_data' was not declared. Should it be static?
> drivers/thermal/samsung/exynos_tmu_data.c:53:39: warning: symbol
> 'exynos5250_default_tmu_data' was not declared. Should it be static?
Ok.
>
>
>>> +#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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