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net: pcs: xpcs: provide a helper to get the phylink pcs given xpcs

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Provide a helper to provide the pointer to the phylink_pcs struct
given a valid xpcs pointer. This will be necessary when we make
struct dw_xpcs private to pcs-xpcs.c

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Russell King (Oracle) 2024-10-04 11:20:56 +01:00 committed by David S. Miller
parent 4490f5669b
commit f042365a26
3 changed files with 8 additions and 1 deletions
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2
drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c
View File

@ -451,7 +451,7 @@ static struct phylink_pcs *intel_mgbe_select_pcs(struct stmmac_priv *priv,
* should always be an XPCS. The original code would always
* return this if present.
*/
return &priv->hw->xpcs->pcs;
return xpcs_to_phylink_pcs(priv->hw->xpcs);
}
static int intel_mgbe_common_data(struct pci_dev *pdev,

6
drivers/net/pcs/pcs-xpcs.c
View File

@ -132,6 +132,12 @@ xpcs_find_compat(struct dw_xpcs *xpcs, phy_interface_t interface)
return NULL;
}
struct phylink_pcs *xpcs_to_phylink_pcs(struct dw_xpcs *xpcs)
{
return &xpcs->pcs;
}
EXPORT_SYMBOL_GPL(xpcs_to_phylink_pcs);
int xpcs_get_an_mode(struct dw_xpcs *xpcs, phy_interface_t interface)
{
const struct dw_xpcs_compat *compat;

1
include/linux/pcs/pcs-xpcs.h
View File

@ -64,6 +64,7 @@ struct dw_xpcs {
bool need_reset;
};
struct phylink_pcs *xpcs_to_phylink_pcs(struct dw_xpcs *xpcs);
int xpcs_get_an_mode(struct dw_xpcs *xpcs, phy_interface_t interface);
void xpcs_get_interfaces(struct dw_xpcs *xpcs, unsigned long *interfaces);
int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns,