Merge branch 'net--dsa-mv88e6xxx-warn'

Andrew Lunn says:

====================
net: dsa: mv88e6xxx: Fixup C=1 W=1 warnings

Make the mv88e6xxx driver build cleanly with C=1 W=1.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 11 insertions, 9 deletions

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 7627ea61e0ea..d995f5bf0d40 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -1751,7 +1751,7 @@ static int mv88e6xxx_policy_insert(struct mv88e6xxx_chip *chip, int port,
 	}
 
 	if ((fs->flow_type & FLOW_EXT) && fs->m_ext.vlan_tci) {
-		if (fs->m_ext.vlan_tci != 0xffff)
+		if (fs->m_ext.vlan_tci != htons(0xffff))
 			return -EOPNOTSUPP;
 		vid = be16_to_cpu(fs->h_ext.vlan_tci) & VLAN_VID_MASK;
 	}
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index e5430cf2ad71..1c541b074256 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -167,7 +167,7 @@ struct mv88e6xxx_irq {
 	u16 masked;
 	struct irq_chip chip;
 	struct irq_domain *domain;
-	unsigned int nirqs;
+	int nirqs;
 };
 
 /* state flags for mv88e6xxx_port_hwtstamp::state */
@@ -654,7 +654,7 @@ static inline unsigned int mv88e6xxx_num_ports(struct mv88e6xxx_chip *chip)
 
 static inline u16 mv88e6xxx_port_mask(struct mv88e6xxx_chip *chip)
 {
-	return GENMASK(mv88e6xxx_num_ports(chip) - 1, 0);
+	return GENMASK((s32)mv88e6xxx_num_ports(chip) - 1, 0);
 }
 
 static inline unsigned int mv88e6xxx_num_gpio(struct mv88e6xxx_chip *chip)
diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c
index 8fd483020c5b..75b227d0f73b 100644
--- a/drivers/net/dsa/mv88e6xxx/global2.c
+++ b/drivers/net/dsa/mv88e6xxx/global2.c
@@ -876,19 +876,18 @@ static int mv88e6390_watchdog_setup(struct mv88e6xxx_chip *chip)
 
 static int mv88e6390_watchdog_action(struct mv88e6xxx_chip *chip, int irq)
 {
-	int err;
 	u16 reg;
 
 	mv88e6xxx_g2_write(chip, MV88E6390_G2_WDOG_CTL,
 			   MV88E6390_G2_WDOG_CTL_PTR_EVENT);
-	err = mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, &reg);
+	mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, &reg);
 
 	dev_info(chip->dev, "Watchdog event: 0x%04x",
 		 reg & MV88E6390_G2_WDOG_CTL_DATA_MASK);
 
 	mv88e6xxx_g2_write(chip, MV88E6390_G2_WDOG_CTL,
 			   MV88E6390_G2_WDOG_CTL_PTR_HISTORY);
-	err = mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, &reg);
+	mv88e6xxx_g2_read(chip, MV88E6390_G2_WDOG_CTL, &reg);
 
 	dev_info(chip->dev, "Watchdog history: 0x%04x",
 		 reg & MV88E6390_G2_WDOG_CTL_DATA_MASK);
diff --git a/drivers/net/dsa/mv88e6xxx/global2_scratch.c b/drivers/net/dsa/mv88e6xxx/global2_scratch.c
index 33b7b9570d29..7c2c67405322 100644
--- a/drivers/net/dsa/mv88e6xxx/global2_scratch.c
+++ b/drivers/net/dsa/mv88e6xxx/global2_scratch.c
@@ -44,7 +44,8 @@ static int mv88e6xxx_g2_scratch_write(struct mv88e6xxx_chip *chip, int reg,
 /**
  * mv88e6xxx_g2_scratch_gpio_get_bit - get a bit
  * @chip: chip private data
- * @nr: bit index
+ * @base_reg: base of scratch bits
+ * @offset: index of bit within the register
  * @set: is bit set?
  */
 static int mv88e6xxx_g2_scratch_get_bit(struct mv88e6xxx_chip *chip,
@@ -68,8 +69,9 @@ static int mv88e6xxx_g2_scratch_get_bit(struct mv88e6xxx_chip *chip,
 /**
  * mv88e6xxx_g2_scratch_gpio_set_bit - set (or clear) a bit
  * @chip: chip private data
- * @nr: bit index
- * @set: set if true, clear if false
+ * @base_reg: base of scratch bits
+ * @offset: index of bit within the register
+ * @set: should this bit be set?
  *
  * Helper function for dealing with the direction and data registers.
  */
@@ -165,6 +167,7 @@ static int mv88e6352_g2_scratch_gpio_get_dir(struct mv88e6xxx_chip *chip,
  * mv88e6352_g2_scratch_gpio_set_dir - set direction of gpio pin
  * @chip: chip private data
  * @pin: gpio index
+ * @input: should the gpio be an input, or an output?
  */
 static int mv88e6352_g2_scratch_gpio_set_dir(struct mv88e6xxx_chip *chip,
 					     unsigned int pin, bool input)