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Date: Thu, 18 Sep 2014 17:27:41 +0200
From: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To: Eduardo Valentin <edubezval@...il.com>
Cc: Zhang Rui <rui.zhang@...el.com>,
Amit Daniel Kachhap <amit.daniel@...sung.com>,
Naveen Krishna Chatradhi <ch.naveen@...sung.com>,
Lukasz Majewski <l.majewski@...sung.com>,
Kyungmin Park <kyungmin.park@...sung.com>,
linux-samsung-soc@...r.kernel.org, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org, b.zolnierkie@...sung.com
Subject: [PATCH 24/33] thermal: exynos: add ->tmu_clear_irqs method
Add ->tmu_clear_irqs method to struct exynos_tmu_data and
use it in exynos_tmu_work(). Then add ->tmu_clear_irqs
implementations for Exynos4210+ and Exynos5440. Finally
remove no longer needed reg->tmu_int[stat,clear] abstractions
and struct exynos_tmu_registers instances.
There should be no functional changes caused by this patch.
Cc: Naveen Krishna Chatradhi <ch.naveen@...sung.com>
Cc: Amit Daniel Kachhap <amit.daniel@...sung.com>
Cc: Lukasz Majewski <l.majewski@...sung.com>
Cc: Eduardo Valentin <edubezval@...il.com>
Cc: Zhang Rui <rui.zhang@...el.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
---
drivers/thermal/samsung/exynos_tmu.c | 42 +++++++++++++++++++++++++------
drivers/thermal/samsung/exynos_tmu.h | 14 -----------
drivers/thermal/samsung/exynos_tmu_data.c | 36 --------------------------
3 files changed, 34 insertions(+), 58 deletions(-)
diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index 23d3163..30fd87a 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -56,6 +56,7 @@
* @tmu_control: SoC specific TMU control method
* @tmu_read: SoC specific TMU temperature read method
* @tmu_set_emulation: SoC specific TMU emulation setting method
+ * @tmu_clear_irqs: SoC specific TMU interrupts clearing method
*/
struct exynos_tmu_data {
int id;
@@ -75,6 +76,7 @@ struct exynos_tmu_data {
int (*tmu_read)(struct exynos_tmu_data *data);
void (*tmu_set_emulation)(struct exynos_tmu_data *data,
unsigned long temp);
+ void (*tmu_clear_irqs)(struct exynos_tmu_data *data);
};
/*
@@ -537,9 +539,7 @@ static void exynos_tmu_work(struct work_struct *work)
{
struct exynos_tmu_data *data = container_of(work,
struct exynos_tmu_data, irq_work);
- struct exynos_tmu_platform_data *pdata = data->pdata;
- const struct exynos_tmu_registers *reg = pdata->registers;
- unsigned int val_irq, val_type;
+ unsigned int val_type;
if (!IS_ERR(data->clk_sec))
clk_enable(data->clk_sec);
@@ -555,18 +555,41 @@ static void exynos_tmu_work(struct work_struct *work)
exynos_report_trigger(data->reg_conf);
mutex_lock(&data->lock);
clk_enable(data->clk);
-
/* TODO: take action based on particular interrupt */
- val_irq = readl(data->base + reg->tmu_intstat);
- /* clear the interrupts */
- writel(val_irq, data->base + reg->tmu_intclear);
-
+ data->tmu_clear_irqs(data);
clk_disable(data->clk);
mutex_unlock(&data->lock);
out:
enable_irq(data->irq);
}
+static void exynos4210_tmu_clear_irqs(struct exynos_tmu_data *data)
+{
+ unsigned int val_irq;
+ u32 tmu_intstat, tmu_intclear;
+
+ if (data->soc == SOC_ARCH_EXYNOS5260) {
+ tmu_intstat = EXYNOS5260_TMU_REG_INTSTAT;
+ tmu_intclear = EXYNOS5260_TMU_REG_INTCLEAR;
+ } else {
+ tmu_intstat = EXYNOS_TMU_REG_INTSTAT;
+ tmu_intclear = EXYNOS_TMU_REG_INTCLEAR;
+ }
+
+ val_irq = readl(data->base + tmu_intstat);
+ /* clear the interrupts */
+ writel(val_irq, data->base + tmu_intclear);
+}
+
+static void exynos5440_tmu_clear_irqs(struct exynos_tmu_data *data)
+{
+ unsigned int val_irq;
+
+ val_irq = readl(data->base + EXYNOS5440_TMU_S0_7_IRQ);
+ /* clear the interrupts */
+ writel(val_irq, data->base + EXYNOS5440_TMU_S0_7_IRQ);
+}
+
static irqreturn_t exynos_tmu_irq(int irq, void *id)
{
struct exynos_tmu_data *data = id;
@@ -762,6 +785,7 @@ static int exynos_tmu_probe(struct platform_device *pdev)
data->tmu_initialize = exynos4210_tmu_initialize;
data->tmu_control = exynos4210_tmu_control;
data->tmu_read = exynos4210_tmu_read;
+ data->tmu_clear_irqs = exynos4210_tmu_clear_irqs;
break;
case SOC_ARCH_EXYNOS3250:
case SOC_ARCH_EXYNOS4412:
@@ -773,12 +797,14 @@ static int exynos_tmu_probe(struct platform_device *pdev)
data->tmu_control = exynos4210_tmu_control;
data->tmu_read = exynos4412_tmu_read;
data->tmu_set_emulation = exynos4412_tmu_set_emulation;
+ data->tmu_clear_irqs = exynos4210_tmu_clear_irqs;
break;
case SOC_ARCH_EXYNOS5440:
data->tmu_initialize = exynos5440_tmu_initialize;
data->tmu_control = exynos5440_tmu_control;
data->tmu_read = exynos5440_tmu_read;
data->tmu_set_emulation = exynos5440_tmu_set_emulation;
+ data->tmu_clear_irqs = exynos5440_tmu_clear_irqs;
break;
default:
ret = -EINVAL;
diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h
index 785eccf..c4c0aa5 100644
--- a/drivers/thermal/samsung/exynos_tmu.h
+++ b/drivers/thermal/samsung/exynos_tmu.h
@@ -68,17 +68,6 @@ enum soc_type {
#define TMU_SUPPORTS(a, b) (a->features & TMU_SUPPORT_ ## b)
/**
- * struct exynos_tmu_register - register descriptors to access registers.
- * The register validity may vary slightly across different exynos SOC's.
- * @tmu_intstat: Register containing the interrupt status values.
- * @tmu_intclear: Register for clearing the raised interrupt status.
- */
-struct exynos_tmu_registers {
- u32 tmu_intstat;
- u32 tmu_intclear;
-};
-
-/**
* struct exynos_tmu_platform_data
* @threshold: basic temperature for generating interrupt
* 25 <= threshold <= 125 [unit: degree Celsius]
@@ -127,8 +116,6 @@ struct exynos_tmu_registers {
* @freq_clip_table: Table representing frequency reduction percentage.
* @freq_tab_count: Count of the above table as frequency reduction may
* applicable to only some of the trigger levels.
- * @registers: Pointer to structure containing all the TMU controller registers
- * and bitfields shifts and masks.
* @features: a bitfield value indicating the features supported in SOC like
* emulation, multi instance etc
*
@@ -158,7 +145,6 @@ struct exynos_tmu_platform_data {
enum soc_type type;
struct freq_clip_table freq_tab[4];
unsigned int freq_tab_count;
- const struct exynos_tmu_registers *registers;
unsigned int features;
};
diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c
index d0bb4b3..d35ec15 100644
--- a/drivers/thermal/samsung/exynos_tmu_data.c
+++ b/drivers/thermal/samsung/exynos_tmu_data.c
@@ -25,11 +25,6 @@
#include "exynos_tmu_data.h"
#if defined(CONFIG_CPU_EXYNOS4210)
-static const struct exynos_tmu_registers exynos4210_tmu_registers = {
- .tmu_intstat = EXYNOS_TMU_REG_INTSTAT,
- .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR,
-};
-
struct exynos_tmu_init_data const exynos4210_default_tmu_data = {
.tmu_data = {
{
@@ -64,7 +59,6 @@ struct exynos_tmu_init_data const exynos4210_default_tmu_data = {
},
.freq_tab_count = 2,
.type = SOC_ARCH_EXYNOS4210,
- .registers = &exynos4210_tmu_registers,
},
},
.tmu_count = 1,
@@ -72,11 +66,6 @@ struct exynos_tmu_init_data const exynos4210_default_tmu_data = {
#endif
#if defined(CONFIG_SOC_EXYNOS3250)
-static const struct exynos_tmu_registers exynos3250_tmu_registers = {
- .tmu_intstat = EXYNOS_TMU_REG_INTSTAT,
- .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR,
-};
-
#define EXYNOS3250_TMU_DATA \
.threshold_falling = 10, \
.trigger_levels[0] = 70, \
@@ -112,7 +101,6 @@ static const struct exynos_tmu_registers exynos3250_tmu_registers = {
.temp_level = 95, \
}, \
.freq_tab_count = 2, \
- .registers = &exynos3250_tmu_registers, \
.features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_FALLING_TRIP | \
TMU_SUPPORT_EMUL_TIME)
#endif
@@ -131,11 +119,6 @@ struct exynos_tmu_init_data const exynos3250_default_tmu_data = {
#endif
#if defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250)
-static const struct exynos_tmu_registers exynos4412_tmu_registers = {
- .tmu_intstat = EXYNOS_TMU_REG_INTSTAT,
- .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR,
-};
-
#define EXYNOS4412_TMU_DATA \
.threshold_falling = 10, \
.trigger_levels[0] = 70, \
@@ -171,7 +154,6 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = {
.temp_level = 95, \
}, \
.freq_tab_count = 2, \
- .registers = &exynos4412_tmu_registers, \
.features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_FALLING_TRIP | \
TMU_SUPPORT_EMUL_TIME)
#endif
@@ -202,11 +184,6 @@ struct exynos_tmu_init_data const exynos5250_default_tmu_data = {
#endif
#if defined(CONFIG_SOC_EXYNOS5260)
-static const struct exynos_tmu_registers exynos5260_tmu_registers = {
- .tmu_intstat = EXYNOS5260_TMU_REG_INTSTAT,
- .tmu_intclear = EXYNOS5260_TMU_REG_INTCLEAR,
-};
-
#define __EXYNOS5260_TMU_DATA \
.threshold_falling = 10, \
.trigger_levels[0] = 85, \
@@ -242,7 +219,6 @@ static const struct exynos_tmu_registers exynos5260_tmu_registers = {
.temp_level = 103, \
}, \
.freq_tab_count = 2, \
- .registers = &exynos5260_tmu_registers, \
#define EXYNOS5260_TMU_DATA \
__EXYNOS5260_TMU_DATA \
@@ -263,11 +239,6 @@ struct exynos_tmu_init_data const exynos5260_default_tmu_data = {
#endif
#if defined(CONFIG_SOC_EXYNOS5420)
-static const struct exynos_tmu_registers exynos5420_tmu_registers = {
- .tmu_intstat = EXYNOS_TMU_REG_INTSTAT,
- .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR,
-};
-
#define __EXYNOS5420_TMU_DATA \
.threshold_falling = 10, \
.trigger_levels[0] = 85, \
@@ -303,7 +274,6 @@ static const struct exynos_tmu_registers exynos5420_tmu_registers = {
.temp_level = 103, \
}, \
.freq_tab_count = 2, \
- .registers = &exynos5420_tmu_registers, \
#define EXYNOS5420_TMU_DATA \
__EXYNOS5420_TMU_DATA \
@@ -330,11 +300,6 @@ struct exynos_tmu_init_data const exynos5420_default_tmu_data = {
#endif
#if defined(CONFIG_SOC_EXYNOS5440)
-static const struct exynos_tmu_registers exynos5440_tmu_registers = {
- .tmu_intstat = EXYNOS5440_TMU_S0_7_IRQ,
- .tmu_intclear = EXYNOS5440_TMU_S0_7_IRQ,
-};
-
#define EXYNOS5440_TMU_DATA \
.trigger_levels[0] = 100, \
.trigger_levels[4] = 105, \
@@ -354,7 +319,6 @@ static const struct exynos_tmu_registers exynos5440_tmu_registers = {
.second_point_trim = 70, \
.default_temp_offset = 25, \
.type = SOC_ARCH_EXYNOS5440, \
- .registers = &exynos5440_tmu_registers, \
.features = (TMU_SUPPORT_EMULATION | TMU_SUPPORT_FALLING_TRIP | \
TMU_SUPPORT_MULTI_INST | TMU_SUPPORT_ADDRESS_MULTIPLE),
--
1.8.2.3
--
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