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Message-ID: <51C209F9.4000008@ti.com>
Date: Wed, 19 Jun 2013 15:43:53 -0400
From: Eduardo Valentin <eduardo.valentin@...com>
To: Eduardo Valentin <eduardo.valentin@...com>
CC: Amit Daniel Kachhap <amit.daniel@...sung.com>,
<linux-pm@...r.kernel.org>, Zhang Rui <rui.zhang@...el.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
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?
>> +#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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