netdev - [PATCH net-next 07/12] mlxsw: core: Replace thermal temperature trips with defines

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Date:   Wed, 13 Feb 2019 11:28:51 +0000
From:   Ido Schimmel <idosch@...lanox.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "davem@...emloft.net" <davem@...emloft.net>,
        Jiri Pirko <jiri@...lanox.com>,
        "andrew@...n.ch" <andrew@...n.ch>, mlxsw <mlxsw@...lanox.com>,
        Vadim Pasternak <vadimp@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 07/12] mlxsw: core: Replace thermal temperature trips
 with defines

From: Vadim Pasternak <vadimp@...lanox.com>

Replace thermal hardcoded temperature trip values with defines.

Signed-off-by: Vadim Pasternak <vadimp@...lanox.com>
Reviewed-by: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
 .../net/ethernet/mellanox/mlxsw/core_thermal.c    | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
index dbf9a845084a..b9fb33417a82 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c
@@ -14,7 +14,10 @@
 
 #define MLXSW_THERMAL_POLL_INT	1000	/* ms */
 #define MLXSW_THERMAL_SLOW_POLL_INT	20000	/* ms */
-#define MLXSW_THERMAL_MAX_TEMP	110000	/* 110C */
+#define MLXSW_THERMAL_ASIC_TEMP_NORM	75000	/* 75C */
+#define MLXSW_THERMAL_ASIC_TEMP_HIGH	85000	/* 85C */
+#define MLXSW_THERMAL_ASIC_TEMP_HOT	105000	/* 105C */
+#define MLXSW_THERMAL_ASIC_TEMP_CRIT	110000	/* 110C */
 #define MLXSW_THERMAL_HYSTERESIS_TEMP	5000	/* 5C */
 #define MLXSW_THERMAL_MAX_STATE	10
 #define MLXSW_THERMAL_MAX_DUTY	255
@@ -39,7 +42,7 @@ struct mlxsw_thermal_trip {
 static const struct mlxsw_thermal_trip default_thermal_trips[] = {
 	{	/* In range - 0-40% PWM */
 		.type		= THERMAL_TRIP_ACTIVE,
-		.temp		= 75000,
+		.temp		= MLXSW_THERMAL_ASIC_TEMP_NORM,
 		.hyst		= MLXSW_THERMAL_HYSTERESIS_TEMP,
 		.min_state	= 0,
 		.max_state	= (4 * MLXSW_THERMAL_MAX_STATE) / 10,
@@ -47,21 +50,21 @@ static const struct mlxsw_thermal_trip default_thermal_trips[] = {
 	{
 		/* In range - 40-100% PWM */
 		.type		= THERMAL_TRIP_ACTIVE,
-		.temp		= 80000,
+		.temp		= MLXSW_THERMAL_ASIC_TEMP_HIGH,
 		.hyst		= MLXSW_THERMAL_HYSTERESIS_TEMP,
 		.min_state	= (4 * MLXSW_THERMAL_MAX_STATE) / 10,
 		.max_state	= MLXSW_THERMAL_MAX_STATE,
 	},
 	{	/* Warning */
 		.type		= THERMAL_TRIP_HOT,
-		.temp		= 85000,
+		.temp		= MLXSW_THERMAL_ASIC_TEMP_HOT,
 		.hyst		= MLXSW_THERMAL_HYSTERESIS_TEMP,
 		.min_state	= MLXSW_THERMAL_MAX_STATE,
 		.max_state	= MLXSW_THERMAL_MAX_STATE,
 	},
 	{	/* Critical - soft poweroff */
 		.type		= THERMAL_TRIP_CRITICAL,
-		.temp		= MLXSW_THERMAL_MAX_TEMP,
+		.temp		= MLXSW_THERMAL_ASIC_TEMP_CRIT,
 		.min_state	= MLXSW_THERMAL_MAX_STATE,
 		.max_state	= MLXSW_THERMAL_MAX_STATE,
 	}
@@ -238,7 +241,7 @@ static int mlxsw_thermal_set_trip_temp(struct thermal_zone_device *tzdev,
 	struct mlxsw_thermal *thermal = tzdev->devdata;
 
 	if (trip < 0 || trip >= MLXSW_THERMAL_NUM_TRIPS ||
-	    temp > MLXSW_THERMAL_MAX_TEMP)
+	    temp > MLXSW_THERMAL_ASIC_TEMP_CRIT)
 		return -EINVAL;
 
 	thermal->trips[trip].temp = temp;
-- 
2.20.1