lkml.org 
[lkml]   [2022]   [May]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFC Patch net-next 04/17] net: dsa: microchip: ksz9477: use ksz_read_phy16 & ksz_write_phy16
Date
ksz8795 and ksz9477 implementation on phy read/write hooks are
different. This patch modifies the ksz9477 implementation same as
ksz8795 by updating the ksz9477_dev_ops structure.

Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
---
drivers/net/dsa/microchip/ksz9477.c | 23 ++++++++++-------------
1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index ab3fbb8e15a1..4fb96e53487e 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -276,9 +276,8 @@ static void ksz9477_port_init_cnt(struct ksz_device *dev, int port)
mutex_unlock(&mib->cnt_mutex);
}

-static int ksz9477_phy_read16(struct dsa_switch *ds, int addr, int reg)
+static void ksz9477_r_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 *data)
{
- struct ksz_device *dev = ds->priv;
u16 val = 0xffff;

/* No real PHY after this. Simulate the PHY.
@@ -323,24 +322,20 @@ static int ksz9477_phy_read16(struct dsa_switch *ds, int addr, int reg)
ksz_pread16(dev, addr, 0x100 + (reg << 1), &val);
}

- return val;
+ *data = val;
}

-static int ksz9477_phy_write16(struct dsa_switch *ds, int addr, int reg,
- u16 val)
+static void ksz9477_w_phy(struct ksz_device *dev, u16 addr, u16 reg, u16 val)
{
- struct ksz_device *dev = ds->priv;
-
/* No real PHY after this. */
if (addr >= dev->phy_port_cnt)
- return 0;
+ return;

/* No gigabit support. Do not write to this register. */
if (!(dev->features & GBIT_SUPPORT) && reg == MII_CTRL1000)
- return 0;
- ksz_pwrite16(dev, addr, 0x100 + (reg << 1), val);
+ return;

- return 0;
+ ksz_pwrite16(dev, addr, 0x100 + (reg << 1), val);
}

static void ksz9477_cfg_port_member(struct ksz_device *dev, int port,
@@ -1316,8 +1311,8 @@ static int ksz9477_setup(struct dsa_switch *ds)
static const struct dsa_switch_ops ksz9477_switch_ops = {
.get_tag_protocol = ksz_get_tag_protocol,
.setup = ksz9477_setup,
- .phy_read = ksz9477_phy_read16,
- .phy_write = ksz9477_phy_write16,
+ .phy_read = ksz_phy_read16,
+ .phy_write = ksz_phy_write16,
.phylink_mac_link_down = ksz_mac_link_down,
.phylink_get_caps = ksz9477_get_caps,
.port_enable = ksz_enable_port,
@@ -1405,6 +1400,8 @@ static const struct ksz_dev_ops ksz9477_dev_ops = {
.cfg_port_member = ksz9477_cfg_port_member,
.flush_dyn_mac_table = ksz9477_flush_dyn_mac_table,
.port_setup = ksz9477_port_setup,
+ .r_phy = ksz9477_r_phy,
+ .w_phy = ksz9477_w_phy,
.r_mib_cnt = ksz9477_r_mib_cnt,
.r_mib_pkt = ksz9477_r_mib_pkt,
.r_mib_stat64 = ksz_r_mib_stats64,
--
2.36.1
\
 
 \ /
  Last update: 2022-05-27 09:08    [W:0.084 / U:0.292 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site