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Date: Fri, 7 Feb 2014 15:03:46 +0530
From: Naveen Krishna Ch <naveenkrishna.ch@...il.com>
To: Zhang Rui <rui.zhang@...el.com>
Cc: Naveen Krishna Chatradhi <ch.naveen@...sung.com>,
linux-pm@...r.kernel.org, eduardo.valentin@...com,
"linux-samsung-soc@...r.kernel.org"
<linux-samsung-soc@...r.kernel.org>, linux-kernel@...r.kernel.org,
amit.daniel@...sung.com, Kukjin Kim <kgene.kim@...sung.com>,
devicetree@...r.kernel.org, b.zolnierkie@...sung.com,
cpgs@...sung.com, t.figa@...sung.com
Subject: Re: [PATCH v12 1/4] thermal: samsung: replace inten_ bit fields with intclr_
Hello All,
On 2 January 2014 08:03, Zhang Rui <rui.zhang@...el.com> wrote:
> On Thu, 2013-12-19 at 11:35 +0530, Naveen Krishna Chatradhi wrote:
>> This patch replaces the inten_rise_shift/mask and inten_fall_shift/mask
>> with intclr_rise_shift/mask and intclr_fall_shift/mask respectively.
>> Currently, inten_rise_shift/mask and inten_fall_shift/mask bits are only used
>> to configure intclr related registers.
>>
>> Description of H/W:
>> The offset for the bits in the CLEAR register are not consistent across TMU
>> modules in Exynso5250, 5420 and 5440.
>>
>> On Exynos5250, the FALL interrupt related en, status and clear bits are
>> available at an offset of
>> 16 in INTEN, INTSTAT registers and at an offset of
>> 12 in INTCLEAR register.
>>
>> On Exynos5420, the FALL interrupt related en, status and clear bits are
>> available at an offset of
>> 16 in INTEN, INTSTAT and INTCLEAR registers.
>>
>> On Exynos5440,
>> the FALL_IRQEN bits are at an offset of 4
>> and the RISE_IRQEN bits are at an offset of 0
>>
>> Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@...sung.com>
>> Acked-by: Amit Daniel Kachhap <amit.daniel@...sung.com>
>> Reviewed-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
>> Reviewed-by: Tomasz Figa <t.figa@...sung.com>
>
> Eduardo,
>
> what do you think of this patch set?
>
> thanks,
> rui
>> ---
>> Changes since v11:
>> Added Reviewed by Tomasz
>>
>> Changes since v10:
>> None
>>
>> drivers/thermal/samsung/exynos_tmu.c | 6 +++---
>> drivers/thermal/samsung/exynos_tmu.h | 16 ++++++++--------
>> drivers/thermal/samsung/exynos_tmu_data.c | 18 +++++++++---------
>> drivers/thermal/samsung/exynos_tmu_data.h | 4 ++--
>> 4 files changed, 22 insertions(+), 22 deletions(-)
>>
>> diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
>> index 32f38b9..c493245 100644
>> --- a/drivers/thermal/samsung/exynos_tmu.c
>> +++ b/drivers/thermal/samsung/exynos_tmu.c
>> @@ -237,7 +237,7 @@ skip_calib_data:
>> writeb(pdata->trigger_levels[i], data->base +
>> reg->threshold_th0 + i * sizeof(reg->threshold_th0));
>>
>> - writel(reg->inten_rise_mask, data->base + reg->tmu_intclear);
>> + writel(reg->intclr_rise_mask, data->base + reg->tmu_intclear);
>> } else {
>> /* Write temperature code for rising and falling threshold */
>> for (i = 0;
>> @@ -264,8 +264,8 @@ skip_calib_data:
>> writel(falling_threshold,
>> data->base + reg->threshold_th1);
>>
>> - writel((reg->inten_rise_mask << reg->inten_rise_shift) |
>> - (reg->inten_fall_mask << reg->inten_fall_shift),
>> + writel((reg->intclr_rise_mask << reg->intclr_rise_shift) |
>> + (reg->intclr_fall_mask << reg->intclr_fall_shift),
>> data->base + reg->tmu_intclear);
>>
>> /* if last threshold limit is also present */
>> diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h
>> index 3fb6554..980859a 100644
>> --- a/drivers/thermal/samsung/exynos_tmu.h
>> +++ b/drivers/thermal/samsung/exynos_tmu.h
>> @@ -122,10 +122,6 @@ enum soc_type {
>> * @threshold_th3_l0_shift: shift bits of level0 threshold temperature.
>> * @tmu_inten: register containing the different threshold interrupt
>> enable bits.
>> - * @inten_rise_shift: shift bits of all rising interrupt bits.
>> - * @inten_rise_mask: mask bits of all rising interrupt bits.
>> - * @inten_fall_shift: shift bits of all rising interrupt bits.
>> - * @inten_fall_mask: mask bits of all rising interrupt bits.
>> * @inten_rise0_shift: shift bits of rising 0 interrupt bits.
>> * @inten_rise1_shift: shift bits of rising 1 interrupt bits.
>> * @inten_rise2_shift: shift bits of rising 2 interrupt bits.
>> @@ -136,6 +132,10 @@ enum soc_type {
>> * @inten_fall3_shift: shift bits of falling 3 interrupt bits.
>> * @tmu_intstat: Register containing the interrupt status values.
>> * @tmu_intclear: Register for clearing the raised interrupt status.
>> + * @intclr_fall_shift: shift bits for interrupt clear fall 0
>> + * @intclr_rise_shift: shift bits of all rising interrupt bits.
>> + * @intclr_rise_mask: mask bits of all rising interrupt bits.
>> + * @intclr_fall_mask: mask bits of all rising interrupt bits.
>> * @emul_con: TMU emulation controller register.
>> * @emul_temp_shift: shift bits of emulation temperature.
>> * @emul_time_shift: shift bits of emulation time.
>> @@ -191,10 +191,6 @@ struct exynos_tmu_registers {
>> u32 threshold_th3_l0_shift;
>>
>> u32 tmu_inten;
>> - u32 inten_rise_shift;
>> - u32 inten_rise_mask;
>> - u32 inten_fall_shift;
>> - u32 inten_fall_mask;
>> u32 inten_rise0_shift;
>> u32 inten_rise1_shift;
>> u32 inten_rise2_shift;
>> @@ -207,6 +203,10 @@ struct exynos_tmu_registers {
>> u32 tmu_intstat;
>>
>> u32 tmu_intclear;
>> + u32 intclr_fall_shift;
>> + u32 intclr_rise_shift;
>> + u32 intclr_fall_mask;
>> + u32 intclr_rise_mask;
>>
>> u32 emul_con;
>> u32 emul_temp_shift;
>> diff --git a/drivers/thermal/samsung/exynos_tmu_data.c b/drivers/thermal/samsung/exynos_tmu_data.c
>> index 073c292..7cdb04e 100644
>> --- a/drivers/thermal/samsung/exynos_tmu_data.c
>> +++ b/drivers/thermal/samsung/exynos_tmu_data.c
>> @@ -40,13 +40,13 @@ static const struct exynos_tmu_registers exynos4210_tmu_registers = {
>> .threshold_temp = EXYNOS4210_TMU_REG_THRESHOLD_TEMP,
>> .threshold_th0 = EXYNOS4210_TMU_REG_TRIG_LEVEL0,
>> .tmu_inten = EXYNOS_TMU_REG_INTEN,
>> - .inten_rise_mask = EXYNOS4210_TMU_TRIG_LEVEL_MASK,
>> .inten_rise0_shift = EXYNOS_TMU_INTEN_RISE0_SHIFT,
>> .inten_rise1_shift = EXYNOS_TMU_INTEN_RISE1_SHIFT,
>> .inten_rise2_shift = EXYNOS_TMU_INTEN_RISE2_SHIFT,
>> .inten_rise3_shift = EXYNOS_TMU_INTEN_RISE3_SHIFT,
>> .tmu_intstat = EXYNOS_TMU_REG_INTSTAT,
>> .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR,
>> + .intclr_rise_mask = EXYNOS4210_TMU_TRIG_LEVEL_MASK,
>> };
>>
>> struct exynos_tmu_init_data const exynos4210_default_tmu_data = {
>> @@ -112,10 +112,6 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = {
>> .threshold_th0 = EXYNOS_THD_TEMP_RISE,
>> .threshold_th1 = EXYNOS_THD_TEMP_FALL,
>> .tmu_inten = EXYNOS_TMU_REG_INTEN,
>> - .inten_rise_mask = EXYNOS_TMU_RISE_INT_MASK,
>> - .inten_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT,
>> - .inten_fall_mask = EXYNOS_TMU_FALL_INT_MASK,
>> - .inten_fall_shift = EXYNOS_TMU_FALL_INT_SHIFT,
>> .inten_rise0_shift = EXYNOS_TMU_INTEN_RISE0_SHIFT,
>> .inten_rise1_shift = EXYNOS_TMU_INTEN_RISE1_SHIFT,
>> .inten_rise2_shift = EXYNOS_TMU_INTEN_RISE2_SHIFT,
>> @@ -123,6 +119,10 @@ static const struct exynos_tmu_registers exynos4412_tmu_registers = {
>> .inten_fall0_shift = EXYNOS_TMU_INTEN_FALL0_SHIFT,
>> .tmu_intstat = EXYNOS_TMU_REG_INTSTAT,
>> .tmu_intclear = EXYNOS_TMU_REG_INTCLEAR,
>> + .intclr_fall_shift = EXYNOS_TMU_CLEAR_FALL_INT_SHIFT,
>> + .intclr_rise_shift = EXYNOS_TMU_RISE_INT_SHIFT,
>> + .intclr_rise_mask = EXYNOS_TMU_RISE_INT_MASK,
>> + .intclr_fall_mask = EXYNOS_TMU_FALL_INT_MASK,
>> .emul_con = EXYNOS_EMUL_CON,
>> .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT,
>> .emul_time_shift = EXYNOS_EMUL_TIME_SHIFT,
>> @@ -217,10 +217,6 @@ static const struct exynos_tmu_registers exynos5440_tmu_registers = {
>> .threshold_th2 = EXYNOS5440_TMU_S0_7_TH2,
>> .threshold_th3_l0_shift = EXYNOS5440_TMU_TH_RISE4_SHIFT,
>> .tmu_inten = EXYNOS5440_TMU_S0_7_IRQEN,
>> - .inten_rise_mask = EXYNOS5440_TMU_RISE_INT_MASK,
>> - .inten_rise_shift = EXYNOS5440_TMU_RISE_INT_SHIFT,
>> - .inten_fall_mask = EXYNOS5440_TMU_FALL_INT_MASK,
>> - .inten_fall_shift = EXYNOS5440_TMU_FALL_INT_SHIFT,
>> .inten_rise0_shift = EXYNOS5440_TMU_INTEN_RISE0_SHIFT,
>> .inten_rise1_shift = EXYNOS5440_TMU_INTEN_RISE1_SHIFT,
>> .inten_rise2_shift = EXYNOS5440_TMU_INTEN_RISE2_SHIFT,
>> @@ -228,6 +224,10 @@ static const struct exynos_tmu_registers exynos5440_tmu_registers = {
>> .inten_fall0_shift = EXYNOS5440_TMU_INTEN_FALL0_SHIFT,
>> .tmu_intstat = EXYNOS5440_TMU_S0_7_IRQ,
>> .tmu_intclear = EXYNOS5440_TMU_S0_7_IRQ,
>> + .intclr_fall_shift = EXYNOS5440_TMU_CLEAR_FALL_INT_SHIFT,
>> + .intclr_rise_shift = EXYNOS5440_TMU_RISE_INT_SHIFT,
>> + .intclr_rise_mask = EXYNOS5440_TMU_RISE_INT_MASK,
>> + .intclr_fall_mask = EXYNOS5440_TMU_FALL_INT_MASK,
>> .tmu_irqstatus = EXYNOS5440_TMU_IRQ_STATUS,
>> .emul_con = EXYNOS5440_TMU_S0_7_DEBUG,
>> .emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT,
>> diff --git a/drivers/thermal/samsung/exynos_tmu_data.h b/drivers/thermal/samsung/exynos_tmu_data.h
>> index a1ea19d..d9495a4 100644
>> --- a/drivers/thermal/samsung/exynos_tmu_data.h
>> +++ b/drivers/thermal/samsung/exynos_tmu_data.h
>> @@ -69,9 +69,10 @@
>> #define EXYNOS_TMU_RISE_INT_MASK 0x111
>> #define EXYNOS_TMU_RISE_INT_SHIFT 0
>> #define EXYNOS_TMU_FALL_INT_MASK 0x111
>> -#define EXYNOS_TMU_FALL_INT_SHIFT 12
>> #define EXYNOS_TMU_CLEAR_RISE_INT 0x111
>> #define EXYNOS_TMU_CLEAR_FALL_INT (0x111 << 12)
>> +#define EXYNOS_TMU_CLEAR_FALL_INT_SHIFT 12
>> +#define EXYNOS5440_TMU_CLEAR_FALL_INT_SHIFT 4
>> #define EXYNOS_TMU_TRIP_MODE_SHIFT 13
>> #define EXYNOS_TMU_TRIP_MODE_MASK 0x7
>> #define EXYNOS_TMU_THERM_TRIP_EN_SHIFT 12
>> @@ -119,7 +120,6 @@
>> #define EXYNOS5440_TMU_RISE_INT_MASK 0xf
>> #define EXYNOS5440_TMU_RISE_INT_SHIFT 0
>> #define EXYNOS5440_TMU_FALL_INT_MASK 0xf
>> -#define EXYNOS5440_TMU_FALL_INT_SHIFT 4
>> #define EXYNOS5440_TMU_INTEN_RISE0_SHIFT 0
>> #define EXYNOS5440_TMU_INTEN_RISE1_SHIFT 1
>> #define EXYNOS5440_TMU_INTEN_RISE2_SHIFT 2
>
>
Ping.
--
Shine bright,
(: Nav :)
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