diff options
Diffstat (limited to 'target/linux/generic/pending-5.4/753-net-sfp-add-support-for-Clause-45-PHYs.patch')
| -rw-r--r-- | target/linux/generic/pending-5.4/753-net-sfp-add-support-for-Clause-45-PHYs.patch | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/target/linux/generic/pending-5.4/753-net-sfp-add-support-for-Clause-45-PHYs.patch b/target/linux/generic/pending-5.4/753-net-sfp-add-support-for-Clause-45-PHYs.patch deleted file mode 100644 index dcd1ba7ef3..0000000000 --- a/target/linux/generic/pending-5.4/753-net-sfp-add-support-for-Clause-45-PHYs.patch +++ /dev/null @@ -1,94 +0,0 @@ -From 6df6709dc3d00e0bc948d45dfa8d8f18ba379c48 Mon Sep 17 00:00:00 2001 -From: Russell King <rmk+kernel@armlinux.org.uk> -Date: Tue, 5 Nov 2019 11:56:18 +0000 -Subject: [PATCH 656/660] net: sfp: add support for Clause 45 PHYs - -Some SFP+ modules have a Clause 45 PHY onboard, which is accessible via -the normal I2C address. Detect 10G BASE-T PHYs which may have an -accessible PHY and probe for it. - -Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> ---- - drivers/net/phy/sfp.c | 44 +++++++++++++++++++++++++++++++++++++++---- - 1 file changed, 40 insertions(+), 4 deletions(-) - ---- a/drivers/net/phy/sfp.c -+++ b/drivers/net/phy/sfp.c -@@ -1418,12 +1418,12 @@ static void sfp_sm_phy_detach(struct sfp - sfp->mod_phy = NULL; - } - --static void sfp_sm_probe_phy(struct sfp *sfp) -+static void sfp_sm_probe_phy(struct sfp *sfp, bool is_c45) - { - struct phy_device *phy; - int err; - -- phy = mdiobus_scan(sfp->i2c_mii, SFP_PHY_ADDR); -+ phy = get_phy_device(sfp->i2c_mii, SFP_PHY_ADDR, is_c45); - if (phy == ERR_PTR(-ENODEV)) { - dev_info(sfp->dev, "no PHY detected\n"); - return; -@@ -1433,6 +1433,13 @@ static void sfp_sm_probe_phy(struct sfp - return; - } - -+ err = phy_device_register(phy); -+ if (err) { -+ phy_device_free(phy); -+ dev_err(sfp->dev, "phy_device_register failed: %d\n", err); -+ return; -+ } -+ - err = sfp_add_phy(sfp->sfp_bus, phy); - if (err) { - phy_device_remove(phy); -@@ -1503,10 +1510,32 @@ static void sfp_sm_fault(struct sfp *sfp - } - } - -+/* Probe a SFP for a PHY device if the module supports copper - the PHY -+ * normally sits at I2C bus address 0x56, and may either be a clause 22 -+ * or clause 45 PHY. -+ * -+ * Clause 22 copper SFP modules normally operate in Cisco SGMII mode with -+ * negotiation enabled, but some may be in 1000base-X - which is for the -+ * PHY driver to determine. -+ * -+ * Clause 45 copper SFP+ modules (10G) appear to switch their interface -+ * mode according to the negotiated line speed. -+ */ - static void sfp_sm_probe_for_phy(struct sfp *sfp) - { -- if (sfp->id.base.e1000_base_t) -- sfp_sm_probe_phy(sfp); -+ switch (sfp->id.base.extended_cc) { -+ case SFF8024_ECC_10GBASE_T_SFI: -+ case SFF8024_ECC_10GBASE_T_SR: -+ case SFF8024_ECC_5GBASE_T: -+ case SFF8024_ECC_2_5GBASE_T: -+ sfp_sm_probe_phy(sfp, true); -+ break; -+ -+ default: -+ if (sfp->id.base.e1000_base_t) -+ sfp_sm_probe_phy(sfp, false); -+ break; -+ } - } - - static int sfp_module_parse_power(struct sfp *sfp) -@@ -1566,6 +1595,13 @@ static int sfp_sm_mod_hpower(struct sfp - return -EAGAIN; - } - -+ /* DM7052 reports as a high power module, responds to reads (with -+ * all bytes 0xff) at 0x51 but does not accept writes. In any case, -+ * if the bit is already set, we're already in high power mode. -+ */ -+ if (!!(val & BIT(0)) == enable) -+ return 0; -+ - if (enable) - val |= BIT(0); - else |