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Date: Fri, 6 May 2016 17:57:07 -0400
From: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, kernel@...oirfairelinux.com,
"David S. Miller" <davem@...emloft.net>,
Florian Fainelli <f.fainelli@...il.com>,
Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...oirfairelinux.com>
Subject: [PATCH net-next 05/21] net: dsa: mv88e6xxx: factorize temperature access
Add MV88E6XXX_FLAG_TEMP and MV88E6XXX_FLAG_TEMP_LIMIT flags to describe
switch models featuring a temperature access. Use them to centralize the
access to the temperature feature.
Signed-off-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>
---
drivers/net/dsa/mv88e6123.c | 3 +++
drivers/net/dsa/mv88e6131.c | 6 ++++++
drivers/net/dsa/mv88e6171.c | 3 +++
drivers/net/dsa/mv88e6xxx.c | 9 ++++++---
drivers/net/dsa/mv88e6xxx.h | 22 ++++++++++++++++++----
5 files changed, 36 insertions(+), 7 deletions(-)
diff --git a/drivers/net/dsa/mv88e6123.c b/drivers/net/dsa/mv88e6123.c
index 8330a8e..e234bdb 100644
--- a/drivers/net/dsa/mv88e6123.c
+++ b/drivers/net/dsa/mv88e6123.c
@@ -123,6 +123,9 @@ struct dsa_switch_driver mv88e6123_switch_driver = {
.adjust_link = mv88e6xxx_adjust_link,
#ifdef CONFIG_NET_DSA_HWMON
.get_temp = mv88e6xxx_get_temp,
+ .get_temp_limit = mv88e6xxx_get_temp_limit,
+ .set_temp_limit = mv88e6xxx_set_temp_limit,
+ .get_temp_alarm = mv88e6xxx_get_temp_alarm,
#endif
.get_eeprom = mv88e6xxx_get_eeprom,
.set_eeprom = mv88e6xxx_set_eeprom,
diff --git a/drivers/net/dsa/mv88e6131.c b/drivers/net/dsa/mv88e6131.c
index ab8c507..089f9c0 100644
--- a/drivers/net/dsa/mv88e6131.c
+++ b/drivers/net/dsa/mv88e6131.c
@@ -155,6 +155,12 @@ struct dsa_switch_driver mv88e6131_switch_driver = {
.get_sset_count = mv88e6xxx_get_sset_count,
.get_eeprom = mv88e6xxx_get_eeprom,
.set_eeprom = mv88e6xxx_set_eeprom,
+#ifdef CONFIG_NET_DSA_HWMON
+ .get_temp = mv88e6xxx_get_temp,
+ .get_temp_limit = mv88e6xxx_get_temp_limit,
+ .set_temp_limit = mv88e6xxx_set_temp_limit,
+ .get_temp_alarm = mv88e6xxx_get_temp_alarm,
+#endif
.adjust_link = mv88e6xxx_adjust_link,
.port_bridge_join = mv88e6xxx_port_bridge_join,
.port_bridge_leave = mv88e6xxx_port_bridge_leave,
diff --git a/drivers/net/dsa/mv88e6171.c b/drivers/net/dsa/mv88e6171.c
index a7afbaa..588b486 100644
--- a/drivers/net/dsa/mv88e6171.c
+++ b/drivers/net/dsa/mv88e6171.c
@@ -132,6 +132,9 @@ struct dsa_switch_driver mv88e6171_switch_driver = {
.adjust_link = mv88e6xxx_adjust_link,
#ifdef CONFIG_NET_DSA_HWMON
.get_temp = mv88e6xxx_get_temp,
+ .get_temp_limit = mv88e6xxx_get_temp_limit,
+ .set_temp_limit = mv88e6xxx_set_temp_limit,
+ .get_temp_alarm = mv88e6xxx_get_temp_alarm,
#endif
.get_eeprom = mv88e6xxx_get_eeprom,
.set_eeprom = mv88e6xxx_set_eeprom,
diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c
index 921fe87..c010bb9 100644
--- a/drivers/net/dsa/mv88e6xxx.c
+++ b/drivers/net/dsa/mv88e6xxx.c
@@ -3191,6 +3191,9 @@ int mv88e6xxx_get_temp(struct dsa_switch *ds, int *temp)
{
struct mv88e6xxx_priv_state *ps = ds_to_priv(ds);
+ if (!mv88e6xxx_has(ps, MV88E6XXX_FLAG_TEMP))
+ return -EOPNOTSUPP;
+
if (mv88e6xxx_6320_family(ps) || mv88e6xxx_6352_family(ps))
return mv88e63xx_get_temp(ds, temp);
@@ -3203,7 +3206,7 @@ int mv88e6xxx_get_temp_limit(struct dsa_switch *ds, int *temp)
int phy = mv88e6xxx_6320_family(ps) ? 3 : 0;
int ret;
- if (!mv88e6xxx_6320_family(ps) && !mv88e6xxx_6352_family(ps))
+ if (!mv88e6xxx_has(ps, MV88E6XXX_FLAG_TEMP_LIMIT))
return -EOPNOTSUPP;
*temp = 0;
@@ -3223,7 +3226,7 @@ int mv88e6xxx_set_temp_limit(struct dsa_switch *ds, int temp)
int phy = mv88e6xxx_6320_family(ps) ? 3 : 0;
int ret;
- if (!mv88e6xxx_6320_family(ps) && !mv88e6xxx_6352_family(ps))
+ if (!mv88e6xxx_has(ps, MV88E6XXX_FLAG_TEMP_LIMIT))
return -EOPNOTSUPP;
ret = mv88e6xxx_phy_page_read(ds, phy, 6, 26);
@@ -3240,7 +3243,7 @@ int mv88e6xxx_get_temp_alarm(struct dsa_switch *ds, bool *alarm)
int phy = mv88e6xxx_6320_family(ps) ? 3 : 0;
int ret;
- if (!mv88e6xxx_6320_family(ps) && !mv88e6xxx_6352_family(ps))
+ if (!mv88e6xxx_has(ps, MV88E6XXX_FLAG_TEMP_LIMIT))
return -EOPNOTSUPP;
*alarm = false;
diff --git a/drivers/net/dsa/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx.h
index 0181f67..9ddb6d0 100644
--- a/drivers/net/dsa/mv88e6xxx.h
+++ b/drivers/net/dsa/mv88e6xxx.h
@@ -366,12 +366,20 @@ enum mv88e6xxx_cap {
* GLOBAL2_SMI_OP, otherwise direct access to PHY registers is done.
*/
MV88E6XXX_CAP_SMI_PHY,
+
+ /* Internal temperature sensor.
+ * Available from any enabled port's PHY register 26, page 6.
+ */
+ MV88E6XXX_CAP_TEMP,
+ MV88E6XXX_CAP_TEMP_LIMIT,
};
/* Bitmask of capabilities */
#define MV88E6XXX_FLAG_EEPROM BIT(MV88E6XXX_CAP_EEPROM)
#define MV88E6XXX_FLAG_PPU BIT(MV88E6XXX_CAP_PPU)
#define MV88E6XXX_FLAG_SMI_PHY BIT(MV88E6XXX_CAP_SMI_PHY)
+#define MV88E6XXX_FLAG_TEMP BIT(MV88E6XXX_CAP_TEMP)
+#define MV88E6XXX_FLAG_TEMP_LIMIT BIT(MV88E6XXX_CAP_TEMP_LIMIT)
#define MV88E6XXX_FLAGS_FAMILY_6095 \
MV88E6XXX_FLAG_PPU
@@ -379,21 +387,27 @@ enum mv88e6xxx_cap {
#define MV88E6XXX_FLAGS_FAMILY_6097 \
MV88E6XXX_FLAG_PPU
-#define MV88E6XXX_FLAGS_FAMILY_6165 0
+#define MV88E6XXX_FLAGS_FAMILY_6165 \
+ MV88E6XXX_FLAG_TEMP
#define MV88E6XXX_FLAGS_FAMILY_6185 \
MV88E6XXX_FLAG_PPU
#define MV88E6XXX_FLAGS_FAMILY_6320 \
(MV88E6XXX_FLAG_EEPROM | \
- MV88E6XXX_FLAG_SMI_PHY)
+ MV88E6XXX_FLAG_SMI_PHY | \
+ MV88E6XXX_FLAG_TEMP | \
+ MV88E6XXX_FLAG_TEMP_LIMIT)
#define MV88E6XXX_FLAGS_FAMILY_6351 \
- MV88E6XXX_FLAG_SMI_PHY
+ (MV88E6XXX_FLAG_SMI_PHY | \
+ MV88E6XXX_FLAG_TEMP)
#define MV88E6XXX_FLAGS_FAMILY_6352 \
(MV88E6XXX_FLAG_EEPROM | \
- MV88E6XXX_FLAG_SMI_PHY)
+ MV88E6XXX_FLAG_SMI_PHY | \
+ MV88E6XXX_FLAG_TEMP | \
+ MV88E6XXX_FLAG_TEMP_LIMIT)
struct mv88e6xxx_info {
enum mv88e6xxx_family family;
--
2.8.2
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