The Marvell 88E6390 model has its histogram mode bits moved in the
Global 1 Control 2 register. Use the previously introduced
mv88e6xxx_g1_ctl2_mask helper to set them.

At the same time complete the documentation of the said register.

Signed-off-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com>
---
 drivers/net/dsa/mv88e6xxx/global1.c | 15 +++------------
 drivers/net/dsa/mv88e6xxx/global1.h | 12 +++++++++---
 2 files changed, 12 insertions(+), 15 deletions(-)

diff --git a/drivers/net/dsa/mv88e6xxx/global1.c 
b/drivers/net/dsa/mv88e6xxx/global1.c
index 244ee1ff9edc..0f2b05342c18 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.c
+++ b/drivers/net/dsa/mv88e6xxx/global1.c
@@ -393,18 +393,9 @@ int mv88e6390_g1_rmu_disable(struct mv88e6xxx_chip *chip)
 
 int mv88e6390_g1_stats_set_histogram(struct mv88e6xxx_chip *chip)
 {
-       u16 val;
-       int err;
-
-       err = mv88e6xxx_g1_read(chip, MV88E6XXX_G1_CTL2, &val);
-       if (err)
-               return err;
-
-       val |= MV88E6XXX_G1_CTL2_HIST_RX_TX;
-
-       err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_CTL2, val);
-
-       return err;
+       return mv88e6xxx_g1_ctl2_mask(chip, MV88E6390_G1_CTL2_HIST_MODE_MASK,
+                                     MV88E6390_G1_CTL2_HIST_MODE_RX |
+                                     MV88E6390_G1_CTL2_HIST_MODE_TX);
 }
 
 int mv88e6xxx_g1_set_device_number(struct mv88e6xxx_chip *chip, int index)
diff --git a/drivers/net/dsa/mv88e6xxx/global1.h 
b/drivers/net/dsa/mv88e6xxx/global1.h
index e186a026e1b1..c357b3ca9a09 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.h
+++ b/drivers/net/dsa/mv88e6xxx/global1.h
@@ -201,12 +201,13 @@
 
 /* Offset 0x1C: Global Control 2 */
 #define MV88E6XXX_G1_CTL2                      0x1c
-#define MV88E6XXX_G1_CTL2_HIST_RX              0x0040
-#define MV88E6XXX_G1_CTL2_HIST_TX              0x0080
-#define MV88E6XXX_G1_CTL2_HIST_RX_TX           0x00c0
 #define MV88E6185_G1_CTL2_CASCADE_PORT_MASK    0xf000
 #define MV88E6185_G1_CTL2_CASCADE_PORT_NONE    0xe000
 #define MV88E6185_G1_CTL2_CASCADE_PORT_MULTI   0xf000
+#define MV88E6352_G1_CTL2_HEADER_TYPE_MASK     0xc000
+#define MV88E6352_G1_CTL2_HEADER_TYPE_ORIG     0x0000
+#define MV88E6352_G1_CTL2_HEADER_TYPE_MGMT     0x4000
+#define MV88E6390_G1_CTL2_HEADER_TYPE_LAG      0x8000
 #define MV88E6352_G1_CTL2_RMU_MODE_MASK                0x3000
 #define MV88E6352_G1_CTL2_RMU_MODE_DISABLED    0x0000
 #define MV88E6352_G1_CTL2_RMU_MODE_PORT_4      0x1000
@@ -223,6 +224,11 @@
 #define MV88E6390_G1_CTL2_RMU_MODE_PORT_10     0x0300
 #define MV88E6390_G1_CTL2_RMU_MODE_ALL_DSA     0x0600
 #define MV88E6390_G1_CTL2_RMU_MODE_DISABLED    0x0700
+#define MV88E6390_G1_CTL2_HIST_MODE_MASK       0x00c0
+#define MV88E6390_G1_CTL2_HIST_MODE_RX         0x0040
+#define MV88E6390_G1_CTL2_HIST_MODE_TX         0x0080
+#define MV88E6352_G1_CTL2_CTR_MODE_MASK                0x0060
+#define MV88E6390_G1_CTL2_CTR_MODE             0x0020
 #define MV88E6XXX_G1_CTL2_DEVICE_NUMBER_MASK   0x001f
 
 /* Offset 0x1D: Stats Operation Register */
-- 
2.17.0

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