linux-kernel - [PATCH 1/3] thermal: samsung: correct the fall interrupt en, status bit fields

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Message-id: <1377668719-8602-2-git-send-email-ch.naveen@samsung.com>
Date:	Wed, 28 Aug 2013 11:15:17 +0530
From:	Naveen Krishna Chatradhi <ch.naveen@...sung.com>
To:	linux-pm@...r.kernel.org, rui.zhang@...el.com,
	eduardo.valentin@...com
Cc:	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	amit.daniel@...sung.com, kgene.kim@...sung.com,
	naveenkrishna.ch@...il.com, devicetree@...r.kernel.org
Subject: [PATCH 1/3] thermal: samsung: correct the fall interrupt en,
 status bit fields

The FALL interrupt related en, status bits are available at an offset of
16 on INTEN, INTSTAT registers and at an offset of
12 on INTCLEAR register.

This patch corrects the same for exyns5250 and exynos5440

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@...sung.com>
---
 drivers/thermal/samsung/exynos_tmu.c      |    2 +-
 drivers/thermal/samsung/exynos_tmu.h      |    2 ++
 drivers/thermal/samsung/exynos_tmu_data.c |    2 ++
 drivers/thermal/samsung/exynos_tmu_data.h |    3 ++-
 4 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c
index ec01dfe..d201ed8 100644
--- a/drivers/thermal/samsung/exynos_tmu.c
+++ b/drivers/thermal/samsung/exynos_tmu.c
@@ -265,7 +265,7 @@ skip_calib_data:
 				data->base + reg->threshold_th1);
 
 		writel((reg->inten_rise_mask << reg->inten_rise_shift) |
-			(reg->inten_fall_mask << reg->inten_fall_shift),
+			(reg->inten_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 b364c9e..7c6c34a 100644
--- a/drivers/thermal/samsung/exynos_tmu.h
+++ b/drivers/thermal/samsung/exynos_tmu.h
@@ -134,6 +134,7 @@ 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
  * @emul_con: TMU emulation controller register.
  * @emul_temp_shift: shift bits of emulation temperature.
  * @emul_time_shift: shift bits of emulation time.
@@ -204,6 +205,7 @@ struct exynos_tmu_registers {
 	u32	tmu_intstat;
 
 	u32	tmu_intclear;
+	u32	intclr_fall_shift;
 
 	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 9002499..23fea23 100644
--- a/drivers/thermal/samsung/exynos_tmu_data.c
+++ b/drivers/thermal/samsung/exynos_tmu_data.c
@@ -122,6 +122,7 @@ static const struct exynos_tmu_registers exynos5250_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,
 	.emul_con = EXYNOS_EMUL_CON,
 	.emul_temp_shift = EXYNOS_EMUL_DATA_SHIFT,
 	.emul_time_shift = EXYNOS_EMUL_TIME_SHIFT,
@@ -210,6 +211,7 @@ 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 = EXYNOS_TMU_CLEAR_FALL_INT_SHIFT,
 	.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 dc7feb5..8788a87 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_FALL_INT_SHIFT	16
 #define EXYNOS_TMU_CLEAR_RISE_INT	0x111
 #define EXYNOS_TMU_CLEAR_FALL_INT	(0x111 << 12)
+#define EXYNOS_TMU_CLEAR_FALL_INT_SHIFT	12
 #define EXYNOS_TMU_TRIP_MODE_SHIFT	13
 #define EXYNOS_TMU_TRIP_MODE_MASK	0x7
 #define EXYNOS_TMU_THERM_TRIP_EN_SHIFT	12
-- 
1.7.9.5

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