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authorEgil Hjelmeland <privat@egil-hjelmeland.no>2017-08-05 13:05:50 +0200
committerDavid S. Miller <davem@davemloft.net>2017-08-07 14:18:01 -0700
commit0a967b4a8e4d5e4e5e50e799bb9d8aa4218c6b2f (patch)
tree5812c1a71068c828e4074c5dd3e853bc5442afb3 /drivers/net/dsa
parent9c84258ed68a1dc3c58a16741747a19df9256c5e (diff)
net: dsa: lan9303: refactor lan9303_get_ethtool_stats
In lan9303_get_ethtool_stats: Get rid of 0x400 constant magic by using new lan9303_read_switch_reg() inside loop. Reduced scope of two variables. Signed-off-by: Egil Hjelmeland <privat@egil-hjelmeland.no> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dsa')
-rw-r--r--drivers/net/dsa/lan9303-core.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
index 444958bb19f6..15befd155251 100644
--- a/drivers/net/dsa/lan9303-core.c
+++ b/drivers/net/dsa/lan9303-core.c
@@ -435,6 +435,13 @@ static int lan9303_write_switch_port(struct lan9303 *chip, int port,
chip, LAN9303_SWITCH_PORT_REG(port, regnum), val);
}
+static int lan9303_read_switch_port(struct lan9303 *chip, int port,
+ u16 regnum, u32 *val)
+{
+ return lan9303_read_switch_reg(
+ chip, LAN9303_SWITCH_PORT_REG(port, regnum), val);
+}
+
static int lan9303_detect_phy_setup(struct lan9303 *chip)
{
int reg;
@@ -705,19 +712,18 @@ static void lan9303_get_ethtool_stats(struct dsa_switch *ds, int port,
uint64_t *data)
{
struct lan9303 *chip = ds->priv;
- u32 reg;
- unsigned int u, poff;
- int ret;
-
- poff = port * 0x400;
+ unsigned int u;
for (u = 0; u < ARRAY_SIZE(lan9303_mib); u++) {
- ret = lan9303_read_switch_reg(chip,
- lan9303_mib[u].offset + poff,
- &reg);
+ u32 reg;
+ int ret;
+
+ ret = lan9303_read_switch_port(
+ chip, port, lan9303_mib[u].offset, &reg);
+
if (ret)
- dev_warn(chip->dev, "Reading status reg %u failed\n",
- lan9303_mib[u].offset + poff);
+ dev_warn(chip->dev, "Reading status port %d reg %u failed\n",
+ port, lan9303_mib[u].offset);
data[u] = reg;
}
}