-From 9c5a170677c3c8facc83e931a57f4c99c0511ae0 Mon Sep 17 00:00:00 2001
-From: "Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>
-Date: Thu, 27 Oct 2022 14:10:37 +0100
-Subject: [PATCH] net: phylink: add phylink_get_link_timer_ns() helper
-
-Add a helper to convert the PHY interface mode to the required link
-timer setting as stated by the appropriate standard. Inappropriate
-interface modes return an error.
-
-Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
-Signed-off-by: Jakub Kicinski <kuba@kernel.org>
----
- include/linux/phylink.h | 24 ++++++++++++++++++++++++
- 1 file changed, 24 insertions(+)
-
---- a/include/linux/phylink.h
-+++ b/include/linux/phylink.h
-@@ -614,6 +614,30 @@ int phylink_speed_up(struct phylink *pl)
-
- void phylink_set_port_modes(unsigned long *bits);
-
-+/**
-+ * phylink_get_link_timer_ns - return the PCS link timer value
-+ * @interface: link &typedef phy_interface_t mode
-+ *
-+ * Return the PCS link timer setting in nanoseconds for the PHY @interface
-+ * mode, or -EINVAL if not appropriate.
-+ */
-+static inline int phylink_get_link_timer_ns(phy_interface_t interface)
-+{
-+ switch (interface) {
-+ case PHY_INTERFACE_MODE_SGMII:
-+ case PHY_INTERFACE_MODE_QSGMII:
-+ case PHY_INTERFACE_MODE_USXGMII:
-+ return 1600000;
-+
-+ case PHY_INTERFACE_MODE_1000BASEX:
-+ case PHY_INTERFACE_MODE_2500BASEX:
-+ return 10000000;
-+
-+ default:
-+ return -EINVAL;
-+ }
-+}
-+
- void phylink_mii_c22_pcs_decode_state(struct phylink_link_state *state,
- u16 bmsr, u16 lpa);
- void phylink_mii_c22_pcs_get_state(struct mdio_device *pcs,