diff options
| author | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2021-11-18 18:59:48 +0000 |
|---|---|---|
| committer | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2022-01-14 10:59:41 +0000 |
| commit | f6bdcef873737656d9d50c736b7e4a8b4a757a26 (patch) | |
| tree | 68a8d7e4ebfef11d003859c171405b54af7be5ea | |
| parent | 1de363b980e499f56a93a89506f00b142d939635 (diff) | |
net: xpcs: add support for retrieving supported interface modes
Add a function to the xpcs driver to retrieve the supported PHY
interface modes, which can be used by drivers to fill in phylink's
supported_interfaces mask.
We validate the interface bit index to ensure that it fits within the
bitmap as xpcs lists PHY_INTERFACE_MODE_MAX in an entry.
Tested-by: Wong Vee Khee <vee.khee.wong@linux.intel.com> # Intel EHL Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
| -rw-r--r-- | drivers/net/pcs/pcs-xpcs.c | 14 | ||||
| -rw-r--r-- | include/linux/pcs/pcs-xpcs.h | 1 |
2 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/pcs/pcs-xpcs.c b/drivers/net/pcs/pcs-xpcs.c index cd6742e6ba8b..f45821524fab 100644 --- a/drivers/net/pcs/pcs-xpcs.c +++ b/drivers/net/pcs/pcs-xpcs.c @@ -662,6 +662,20 @@ void xpcs_validate(struct dw_xpcs *xpcs, unsigned long *supported, } EXPORT_SYMBOL_GPL(xpcs_validate); +void xpcs_get_interfaces(struct dw_xpcs *xpcs, unsigned long *interfaces) +{ + int i, j; + + for (i = 0; i < DW_XPCS_INTERFACE_MAX; i++) { + const struct xpcs_compat *compat = &xpcs->id->compat[i]; + + for (j = 0; j < compat->num_interfaces; j++) + if (compat->interface[j] < PHY_INTERFACE_MODE_MAX) + __set_bit(compat->interface[j], interfaces); + } +} +EXPORT_SYMBOL_GPL(xpcs_get_interfaces); + int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, int enable) { int ret; diff --git a/include/linux/pcs/pcs-xpcs.h b/include/linux/pcs/pcs-xpcs.h index add077a81b21..3126a4924d92 100644 --- a/include/linux/pcs/pcs-xpcs.h +++ b/include/linux/pcs/pcs-xpcs.h @@ -33,6 +33,7 @@ int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface, unsigned int mode); void xpcs_validate(struct dw_xpcs *xpcs, unsigned long *supported, struct phylink_link_state *state); +void xpcs_get_interfaces(struct dw_xpcs *xpcs, unsigned long *interfaces); int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, int enable); struct dw_xpcs *xpcs_create(struct mdio_device *mdiodev, |