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net: dsa: b53: Add ability to enable/disable port interrupts 

Some switches expose individual interrupt line(s) for port specific
event(s), allow configuring these interrupts at an appropriate time
during port_enable/disable callbacks where all port specific resources
are known to be set-up and ready for use.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Florian Fainelli 2018-09-05 12:42:11 -07:00 committed by David S. Miller
parent a3f723079d
commit 8ca7c1608c
2 changed files with 11 additions and 0 deletions
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9
drivers/net/dsa/b53/b53_common.c
View File

@ -502,8 +502,14 @@ int b53_enable_port(struct dsa_switch *ds, int port, struct phy_device *phy)
{
struct b53_device *dev = ds->priv;
unsigned int cpu_port = ds->ports[port].cpu_dp->index;
int ret = 0;
u16 pvlan;
if (dev->ops->irq_enable)
ret = dev->ops->irq_enable(dev, port);
if (ret)
return ret;
/* Clear the Rx and Tx disable bits and set to no spanning tree */
b53_write8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), 0);
@ -536,6 +542,9 @@ void b53_disable_port(struct dsa_switch *ds, int port, struct phy_device *phy)
b53_read8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), &reg);
reg |= PORT_CTRL_RX_DISABLE | PORT_CTRL_TX_DISABLE;
b53_write8(dev, B53_CTRL_PAGE, B53_PORT_CTRL(port), reg);
if (dev->ops->irq_disable)
dev->ops->irq_disable(dev, port);
}
EXPORT_SYMBOL(b53_disable_port);

2
drivers/net/dsa/b53/b53_priv.h
View File

@ -43,6 +43,8 @@ struct b53_io_ops {
int (*write64)(struct b53_device *dev, u8 page, u8 reg, u64 value);
int (*phy_read16)(struct b53_device *dev, int addr, int reg, u16 *value);
int (*phy_write16)(struct b53_device *dev, int addr, int reg, u16 value);
int (*irq_enable)(struct b53_device *dev, int port);
void (*irq_disable)(struct b53_device *dev, int port);
};
enum {