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net: dsa: microchip: ksz8795: move cpu_select_interface to extra function

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This patch moves the cpu interface selection code to a individual
function specific for ksz8795. It will make it simpler to customize the
code path for different switches supported by this driver.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Grzeschik 2021-04-27 09:09:02 +02:00 • committed by David S. Miller
parent 4b5baca040
commit c2ac4d2ac5
1 changed files with 50 additions and 42 deletions
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42
drivers/net/dsa/microchip/ksz8795.c
View file

@ -909,26 +909,11 @@ static void ksz8_port_mirror_del(struct dsa_switch *ds, int port,
PORT_MIRROR_SNIFFER, false);
}
static void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
static void ksz8795_cpu_interface_select(struct ksz_device *dev, int port)
{
struct ksz_port *p = &dev->ports[port];
u8 data8, member;
u8 data8;
/* enable broadcast storm limit */
ksz_port_cfg(dev, port, P_BCAST_STORM_CTRL, PORT_BROADCAST_STORM, true);
ksz8795_set_prio_queue(dev, port, 4);
/* disable DiffServ priority */
ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_DIFFSERV_ENABLE, false);
/* replace priority */
ksz_port_cfg(dev, port, P_802_1P_CTRL, PORT_802_1P_REMAPPING, false);
/* enable 802.1p priority */
ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_ENABLE, true);
if (cpu_port) {
if (!p->interface && dev->compat_interface) {
dev_warn(dev->dev,
"Using legacy switch \"phy-mode\" property, because it is missing on port %d node. "
@ -970,6 +955,29 @@ static void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
}
ksz_write8(dev, REG_PORT_5_CTRL_6, data8);
p->phydev.duplex = 1;
}
static void ksz8_port_setup(struct ksz_device *dev, int port, bool cpu_port)
{
struct ksz_port *p = &dev->ports[port];
u8 member;
/* enable broadcast storm limit */
ksz_port_cfg(dev, port, P_BCAST_STORM_CTRL, PORT_BROADCAST_STORM, true);
ksz8795_set_prio_queue(dev, port, 4);
/* disable DiffServ priority */
ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_DIFFSERV_ENABLE, false);
/* replace priority */
ksz_port_cfg(dev, port, P_802_1P_CTRL, PORT_802_1P_REMAPPING, false);
/* enable 802.1p priority */
ksz_port_cfg(dev, port, P_PRIO_CTRL, PORT_802_1P_ENABLE, true);
if (cpu_port) {
ksz8795_cpu_interface_select(dev, port);
member = dev->port_mask;
} else {