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Subject[PATCH] dsa: ptp; mark dummy helpers as 'inline'
Date
Declaring a static function in a header leads to a warning every
time that header gets included without the function being used:

In file included from drivers/net/dsa/mv88e6xxx/chip.c:42:
drivers/net/dsa/mv88e6xxx/ptp.h:92:13: error: 'mv88e6xxx_hwtstamp_work' defined but not used [-Werror=unused-function]
static long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp)
In file included from drivers/net/dsa/mv88e6xxx/chip.c:38:
drivers/net/dsa/mv88e6xxx/global2.h:355:12: error: 'mv88e6xxx_g2_wait' defined but not used [-Werror=unused-function]
static int mv88e6xxx_g2_wait(struct mv88e6xxx_chip *chip, int reg, u16 mask)
^~~~~~~~~~~~~~~~~
drivers/net/dsa/mv88e6xxx/global2.h:350:12: error: 'mv88e6xxx_g2_update' defined but not used [-Werror=unused-function]
static int mv88e6xxx_g2_update(struct mv88e6xxx_chip *chip, int reg, u16 update)
^~~~~~~~~~~~~~~~~~~
drivers/net/dsa/mv88e6xxx/global2.h:345:12: error: 'mv88e6xxx_g2_write' defined but not used [-Werror=unused-function]
static int mv88e6xxx_g2_write(struct mv88e6xxx_chip *chip, int reg, u16 val)
^~~~~~~~~~~~~~~~~~
drivers/net/dsa/mv88e6xxx/global2.h:340:12: error: 'mv88e6xxx_g2_read' defined but not used [-Werror=unused-function]
static int mv88e6xxx_g2_read(struct mv88e6xxx_chip *chip, int reg, u16 *val)

This marks all such functions in dsa inline to make sure we don't warn
about them.

Fixes: c6fe0ad2c349 ("net: dsa: mv88e6xxx: add rx/tx timestamping support")
Fixes: 0d632c3d6fe3 ("net: dsa: mv88e6xxx: add accessors for PTP/TAI registers")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
drivers/net/dsa/mv88e6xxx/global2.h | 8 ++++----
drivers/net/dsa/mv88e6xxx/ptp.h | 4 ++--
2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/dsa/mv88e6xxx/global2.h b/drivers/net/dsa/mv88e6xxx/global2.h
index 25f92b3d7157..2a7c4f9b070c 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.h
+++ b/drivers/net/dsa/mv88e6xxx/global2.h
@@ -337,22 +337,22 @@ static inline int mv88e6xxx_g2_require(struct mv88e6xxx_chip *chip)
return 0;
}

-static int mv88e6xxx_g2_read(struct mv88e6xxx_chip *chip, int reg, u16 *val)
+static inline int mv88e6xxx_g2_read(struct mv88e6xxx_chip *chip, int reg, u16 *val)
{
return -EOPNOTSUPP;
}

-static int mv88e6xxx_g2_write(struct mv88e6xxx_chip *chip, int reg, u16 val)
+static inline int mv88e6xxx_g2_write(struct mv88e6xxx_chip *chip, int reg, u16 val)
{
return -EOPNOTSUPP;
}

-static int mv88e6xxx_g2_update(struct mv88e6xxx_chip *chip, int reg, u16 update)
+static inline int mv88e6xxx_g2_update(struct mv88e6xxx_chip *chip, int reg, u16 update)
{
return -EOPNOTSUPP;
}

-static int mv88e6xxx_g2_wait(struct mv88e6xxx_chip *chip, int reg, u16 mask)
+static inline int mv88e6xxx_g2_wait(struct mv88e6xxx_chip *chip, int reg, u16 mask)
{
return -EOPNOTSUPP;
}
diff --git a/drivers/net/dsa/mv88e6xxx/ptp.h b/drivers/net/dsa/mv88e6xxx/ptp.h
index 992818ade746..10f271ab650d 100644
--- a/drivers/net/dsa/mv88e6xxx/ptp.h
+++ b/drivers/net/dsa/mv88e6xxx/ptp.h
@@ -89,7 +89,7 @@ void mv88e6xxx_ptp_free(struct mv88e6xxx_chip *chip);

#else /* !CONFIG_NET_DSA_MV88E6XXX_PTP */

-static long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp)
+static inline long mv88e6xxx_hwtstamp_work(struct ptp_clock_info *ptp)
{
return -1;
}
@@ -99,7 +99,7 @@ static inline int mv88e6xxx_ptp_setup(struct mv88e6xxx_chip *chip)
return 0;
}

-static void mv88e6xxx_ptp_free(struct mv88e6xxx_chip *chip)
+static inline void mv88e6xxx_ptp_free(struct mv88e6xxx_chip *chip)
{
}

--
2.9.0
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