kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 195 deletions

diff --git a/target/linux/generic/backport-5.4/750-v5.5-net-phy-add-support-for-clause-37-auto-negotiation.patch b/target/linux/generic/backport-5.4/750-v5.5-net-phy-add-support-for-clause-37-auto-negotiation.patch
deleted file mode 100644
index 69c56eca7a..0000000000
--- a/target/linux/generic/backport-5.4/750-v5.5-net-phy-add-support-for-clause-37-auto-negotiation.patch
+++ /dev/null
@@ -1,195 +0,0 @@
-From fa6e98cee558622565c97924e922b97340aeabd8 Mon Sep 17 00:00:00 2001
-From: Heiner Kallweit <hkallweit1@gmail.com>
-Date: Tue, 22 Oct 2019 11:31:07 -0700
-Subject: [PATCH] net: phy: add support for clause 37 auto-negotiation
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This patch adds support for clause 37 1000Base-X auto-negotiation.
-
-Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
-Signed-off-by: Tao Ren <taoren@fb.com>
-Tested-by: René van Dorst <opensource@vdorst.com>
-Reviewed-by: Andrew Lunn <andrew@lunn.ch>
-Signed-off-by: David S. Miller <davem@davemloft.net>
----
- drivers/net/phy/phy_device.c | 139 +++++++++++++++++++++++++++++++++++
- include/linux/phy.h          |   4 +
- 2 files changed, 143 insertions(+)
-
---- a/drivers/net/phy/phy_device.c
-+++ b/drivers/net/phy/phy_device.c
-@@ -1682,6 +1682,40 @@ static int genphy_config_advert(struct p
- }
- 
- /**
-+ * genphy_c37_config_advert - sanitize and advertise auto-negotiation parameters
-+ * @phydev: target phy_device struct
-+ *
-+ * Description: Writes MII_ADVERTISE with the appropriate values,
-+ *   after sanitizing the values to make sure we only advertise
-+ *   what is supported.  Returns < 0 on error, 0 if the PHY's advertisement
-+ *   hasn't changed, and > 0 if it has changed. This function is intended
-+ *   for Clause 37 1000Base-X mode.
-+ */
-+static int genphy_c37_config_advert(struct phy_device *phydev)
-+{
-+	u16 adv = 0;
-+
-+	/* Only allow advertising what this PHY supports */
-+	linkmode_and(phydev->advertising, phydev->advertising,
-+		     phydev->supported);
-+
-+	if (linkmode_test_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
-+			      phydev->advertising))
-+		adv |= ADVERTISE_1000XFULL;
-+	if (linkmode_test_bit(ETHTOOL_LINK_MODE_Pause_BIT,
-+			      phydev->advertising))
-+		adv |= ADVERTISE_1000XPAUSE;
-+	if (linkmode_test_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
-+			      phydev->advertising))
-+		adv |= ADVERTISE_1000XPSE_ASYM;
-+
-+	return phy_modify_changed(phydev, MII_ADVERTISE,
-+				  ADVERTISE_1000XFULL | ADVERTISE_1000XPAUSE |
-+				  ADVERTISE_1000XHALF | ADVERTISE_1000XPSE_ASYM,
-+				  adv);
-+}
-+
-+/**
-  * genphy_config_eee_advert - disable unwanted eee mode advertisement
-  * @phydev: target phy_device struct
-  *
-@@ -1790,6 +1824,54 @@ int __genphy_config_aneg(struct phy_devi
- EXPORT_SYMBOL(__genphy_config_aneg);
- 
- /**
-+ * genphy_c37_config_aneg - restart auto-negotiation or write BMCR
-+ * @phydev: target phy_device struct
-+ *
-+ * Description: If auto-negotiation is enabled, we configure the
-+ *   advertising, and then restart auto-negotiation.  If it is not
-+ *   enabled, then we write the BMCR. This function is intended
-+ *   for use with Clause 37 1000Base-X mode.
-+ */
-+int genphy_c37_config_aneg(struct phy_device *phydev)
-+{
-+	int err, changed;
-+
-+	if (phydev->autoneg != AUTONEG_ENABLE)
-+		return genphy_setup_forced(phydev);
-+
-+	err = phy_modify(phydev, MII_BMCR, BMCR_SPEED1000 | BMCR_SPEED100,
-+			 BMCR_SPEED1000);
-+	if (err)
-+		return err;
-+
-+	changed = genphy_c37_config_advert(phydev);
-+	if (changed < 0) /* error */
-+		return changed;
-+
-+	if (!changed) {
-+		/* Advertisement hasn't changed, but maybe aneg was never on to
-+		 * begin with?  Or maybe phy was isolated?
-+		 */
-+		int ctl = phy_read(phydev, MII_BMCR);
-+
-+		if (ctl < 0)
-+			return ctl;
-+
-+		if (!(ctl & BMCR_ANENABLE) || (ctl & BMCR_ISOLATE))
-+			changed = 1; /* do restart aneg */
-+	}
-+
-+	/* Only restart aneg if we are advertising something different
-+	 * than we were before.
-+	 */
-+	if (changed > 0)
-+		return genphy_restart_aneg(phydev);
-+
-+	return 0;
-+}
-+EXPORT_SYMBOL(genphy_c37_config_aneg);
-+
-+/**
-  * genphy_aneg_done - return auto-negotiation status
-  * @phydev: target phy_device struct
-  *
-@@ -1962,6 +2044,63 @@ int genphy_read_status(struct phy_device
- EXPORT_SYMBOL(genphy_read_status);
- 
- /**
-+ * genphy_c37_read_status - check the link status and update current link state
-+ * @phydev: target phy_device struct
-+ *
-+ * Description: Check the link, then figure out the current state
-+ *   by comparing what we advertise with what the link partner
-+ *   advertises. This function is for Clause 37 1000Base-X mode.
-+ */
-+int genphy_c37_read_status(struct phy_device *phydev)
-+{
-+	int lpa, err, old_link = phydev->link;
-+
-+	/* Update the link, but return if there was an error */
-+	err = genphy_update_link(phydev);
-+	if (err)
-+		return err;
-+
-+	/* why bother the PHY if nothing can have changed */
-+	if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link)
-+		return 0;
-+
-+	phydev->duplex = DUPLEX_UNKNOWN;
-+	phydev->pause = 0;
-+	phydev->asym_pause = 0;
-+
-+	if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete) {
-+		lpa = phy_read(phydev, MII_LPA);
-+		if (lpa < 0)
-+			return lpa;
-+
-+		linkmode_mod_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
-+				 phydev->lp_advertising, lpa & LPA_LPACK);
-+		linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseX_Full_BIT,
-+				 phydev->lp_advertising, lpa & LPA_1000XFULL);
-+		linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT,
-+				 phydev->lp_advertising, lpa & LPA_1000XPAUSE);
-+		linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT,
-+				 phydev->lp_advertising,
-+				 lpa & LPA_1000XPAUSE_ASYM);
-+
-+		phy_resolve_aneg_linkmode(phydev);
-+	} else if (phydev->autoneg == AUTONEG_DISABLE) {
-+		int bmcr = phy_read(phydev, MII_BMCR);
-+
-+		if (bmcr < 0)
-+			return bmcr;
-+
-+		if (bmcr & BMCR_FULLDPLX)
-+			phydev->duplex = DUPLEX_FULL;
-+		else
-+			phydev->duplex = DUPLEX_HALF;
-+	}
-+
-+	return 0;
-+}
-+EXPORT_SYMBOL(genphy_c37_read_status);
-+
-+/**
-  * genphy_soft_reset - software reset the PHY via BMCR_RESET bit
-  * @phydev: target phy_device struct
-  *
---- a/include/linux/phy.h
-+++ b/include/linux/phy.h
-@@ -1120,6 +1120,10 @@ int genphy_read_mmd_unsupported(struct p
- int genphy_write_mmd_unsupported(struct phy_device *phdev, int devnum,
- 				 u16 regnum, u16 val);
- 
-+/* Clause 37 */
-+int genphy_c37_config_aneg(struct phy_device *phydev);
-+int genphy_c37_read_status(struct phy_device *phydev);
-+
- /* Clause 45 PHY */
- int genphy_c45_restart_aneg(struct phy_device *phydev);
- int genphy_c45_check_and_restart_aneg(struct phy_device *phydev, bool restart);