diff options
Diffstat (limited to 'target')
| -rw-r--r-- | target/linux/generic/backport-5.10/783-v5.15-0001-net-bgmac-bcma-handle-deferred-probe-error-due-to-ma.patch (renamed from target/linux/bcm53xx/patches-5.10/099-net-bcma-handle-deferred-probe.patch) | 3 | ||||
| -rw-r--r-- | target/linux/generic/backport-5.10/783-v5.15-0002-net-bgmac-platform-handle-mac-address-deferral.patch | 36 | ||||
| -rw-r--r-- | target/linux/generic/backport-5.10/784-v5.16-0001-net-bgmac-improve-handling-PHY.patch | 84 | ||||
| -rw-r--r-- | target/linux/generic/backport-5.10/784-v5.16-0002-net-bgmac-support-MDIO-described-in-DT.patch | 54 | ||||
| -rw-r--r-- | target/linux/generic/hack-5.10/773-bgmac-add-srab-switch.patch | 2 |
5 files changed, 177 insertions, 2 deletions
diff --git a/target/linux/bcm53xx/patches-5.10/099-net-bcma-handle-deferred-probe.patch b/target/linux/generic/backport-5.10/783-v5.15-0001-net-bgmac-bcma-handle-deferred-probe-error-due-to-ma.patch index 628d7cddf2..6e7f20634f 100644 --- a/target/linux/bcm53xx/patches-5.10/099-net-bcma-handle-deferred-probe.patch +++ b/target/linux/generic/backport-5.10/783-v5.15-0001-net-bgmac-bcma-handle-deferred-probe-error-due-to-ma.patch @@ -1,7 +1,8 @@ From 029497e66bdc762e001880e4c85a91f35a54b1e2 Mon Sep 17 00:00:00 2001 From: Christian Lamparter <chunkeey@gmail.com> Date: Sun, 19 Sep 2021 13:57:25 +0200 -Subject: net: bgmac-bcma: handle deferred probe error due to mac-address +Subject: [PATCH] net: bgmac-bcma: handle deferred probe error due to + mac-address MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit diff --git a/target/linux/generic/backport-5.10/783-v5.15-0002-net-bgmac-platform-handle-mac-address-deferral.patch b/target/linux/generic/backport-5.10/783-v5.15-0002-net-bgmac-platform-handle-mac-address-deferral.patch new file mode 100644 index 0000000000..bde62f3b1b --- /dev/null +++ b/target/linux/generic/backport-5.10/783-v5.15-0002-net-bgmac-platform-handle-mac-address-deferral.patch @@ -0,0 +1,36 @@ +From 763716a55cb1f480ffe1a9702e6b5d9ea1a80a24 Mon Sep 17 00:00:00 2001 +From: Matthew Hagan <mnhagan88@gmail.com> +Date: Sat, 25 Sep 2021 11:36:27 +0000 +Subject: [PATCH] net: bgmac-platform: handle mac-address deferral + +This patch is a replication of Christian Lamparter's "net: bgmac-bcma: +handle deferred probe error due to mac-address" patch for the +bgmac-platform driver [1]. + +As is the case with the bgmac-bcma driver, this change is to cover the +scenario where the MAC address cannot yet be discovered due to reliance +on an nvmem provider which is yet to be instantiated, resulting in a +random address being assigned that has to be manually overridden. + +[1] https://lore.kernel.org/netdev/20210919115725.29064-1-chunkeey@gmail.com + +Signed-off-by: Matthew Hagan <mnhagan88@gmail.com> +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/broadcom/bgmac-platform.c | 3 +++ + 1 file changed, 3 insertions(+) + +--- a/drivers/net/ethernet/broadcom/bgmac-platform.c ++++ b/drivers/net/ethernet/broadcom/bgmac-platform.c +@@ -193,6 +193,9 @@ static int bgmac_probe(struct platform_d + bgmac->dma_dev = &pdev->dev; + + ret = of_get_mac_address(np, bgmac->net_dev->dev_addr); ++ if (ret == -EPROBE_DEFER) ++ return ret; ++ + if (ret) + dev_warn(&pdev->dev, + "MAC address not present in device tree\n"); diff --git a/target/linux/generic/backport-5.10/784-v5.16-0001-net-bgmac-improve-handling-PHY.patch b/target/linux/generic/backport-5.10/784-v5.16-0001-net-bgmac-improve-handling-PHY.patch new file mode 100644 index 0000000000..6788a2ec35 --- /dev/null +++ b/target/linux/generic/backport-5.10/784-v5.16-0001-net-bgmac-improve-handling-PHY.patch @@ -0,0 +1,84 @@ +From b5375509184dc23d2b7fa0c5ed8763899ccc9674 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Sat, 2 Oct 2021 19:58:11 +0200 +Subject: [PATCH] net: bgmac: improve handling PHY +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +1. Use info from DT if available + +It allows describing for example a fixed link. It's more accurate than +just guessing there may be one (depending on a chipset). + +2. Verify PHY ID before trying to connect PHY + +PHY addr 0x1e (30) is special in Broadcom routers and means a switch +connected as MDIO devices instead of a real PHY. Don't try connecting to +it. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/broadcom/bgmac-bcma.c | 33 ++++++++++++++-------- + 1 file changed, 21 insertions(+), 12 deletions(-) + +--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c ++++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c +@@ -11,6 +11,7 @@ + #include <linux/bcma/bcma.h> + #include <linux/brcmphy.h> + #include <linux/etherdevice.h> ++#include <linux/of_mdio.h> + #include <linux/of_net.h> + #include "bgmac.h" + +@@ -86,17 +87,28 @@ static int bcma_phy_connect(struct bgmac + struct phy_device *phy_dev; + char bus_id[MII_BUS_ID_SIZE + 3]; + ++ /* DT info should be the most accurate */ ++ phy_dev = of_phy_get_and_connect(bgmac->net_dev, bgmac->dev->of_node, ++ bgmac_adjust_link); ++ if (phy_dev) ++ return 0; ++ + /* Connect to the PHY */ +- snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, bgmac->mii_bus->id, +- bgmac->phyaddr); +- phy_dev = phy_connect(bgmac->net_dev, bus_id, bgmac_adjust_link, +- PHY_INTERFACE_MODE_MII); +- if (IS_ERR(phy_dev)) { +- dev_err(bgmac->dev, "PHY connection failed\n"); +- return PTR_ERR(phy_dev); ++ if (bgmac->mii_bus && bgmac->phyaddr != BGMAC_PHY_NOREGS) { ++ snprintf(bus_id, sizeof(bus_id), PHY_ID_FMT, bgmac->mii_bus->id, ++ bgmac->phyaddr); ++ phy_dev = phy_connect(bgmac->net_dev, bus_id, bgmac_adjust_link, ++ PHY_INTERFACE_MODE_MII); ++ if (IS_ERR(phy_dev)) { ++ dev_err(bgmac->dev, "PHY connection failed\n"); ++ return PTR_ERR(phy_dev); ++ } ++ ++ return 0; + } + +- return 0; ++ /* Assume a fixed link to the switch port */ ++ return bgmac_phy_connect_direct(bgmac); + } + + static const struct bcma_device_id bgmac_bcma_tbl[] = { +@@ -297,10 +309,7 @@ static int bgmac_probe(struct bcma_devic + bgmac->cco_ctl_maskset = bcma_bgmac_cco_ctl_maskset; + bgmac->get_bus_clock = bcma_bgmac_get_bus_clock; + bgmac->cmn_maskset32 = bcma_bgmac_cmn_maskset32; +- if (bgmac->mii_bus) +- bgmac->phy_connect = bcma_phy_connect; +- else +- bgmac->phy_connect = bgmac_phy_connect_direct; ++ bgmac->phy_connect = bcma_phy_connect; + + err = bgmac_enet_probe(bgmac); + if (err) diff --git a/target/linux/generic/backport-5.10/784-v5.16-0002-net-bgmac-support-MDIO-described-in-DT.patch b/target/linux/generic/backport-5.10/784-v5.16-0002-net-bgmac-support-MDIO-described-in-DT.patch new file mode 100644 index 0000000000..f134828273 --- /dev/null +++ b/target/linux/generic/backport-5.10/784-v5.16-0002-net-bgmac-support-MDIO-described-in-DT.patch @@ -0,0 +1,54 @@ +From 45c9d966688e7fad7f24bfc450547d91e4304d0b Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Sat, 2 Oct 2021 19:58:12 +0200 +Subject: [PATCH] net: bgmac: support MDIO described in DT +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Check ethernet controller DT node for "mdio" subnode and use it with +of_mdiobus_register() when present. That allows specifying MDIO and its +PHY devices in a standard DT based way. + +This is required for BCM53573 SoC support. That family is sometimes +called Northstar (by marketing?) but is quite different from it. It uses +different CPU(s) and many different hw blocks. + +One of shared blocks in BCM53573 is Ethernet controller. Switch however +is not SRAB accessible (as it Northstar) but is MDIO attached. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +--- a/drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c ++++ b/drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c +@@ -10,6 +10,7 @@ + + #include <linux/bcma/bcma.h> + #include <linux/brcmphy.h> ++#include <linux/of_mdio.h> + #include "bgmac.h" + + static bool bcma_mdio_wait_value(struct bcma_device *core, u16 reg, u32 mask, +@@ -211,6 +212,7 @@ struct mii_bus *bcma_mdio_mii_register(s + { + struct bcma_device *core = bgmac->bcma.core; + struct mii_bus *mii_bus; ++ struct device_node *np; + int err; + + mii_bus = mdiobus_alloc(); +@@ -229,7 +231,9 @@ struct mii_bus *bcma_mdio_mii_register(s + mii_bus->parent = &core->dev; + mii_bus->phy_mask = ~(1 << bgmac->phyaddr); + +- err = mdiobus_register(mii_bus); ++ np = of_get_child_by_name(core->dev.of_node, "mdio"); ++ ++ err = of_mdiobus_register(mii_bus, np); + if (err) { + dev_err(&core->dev, "Registration of mii bus failed\n"); + goto err_free_bus; diff --git a/target/linux/generic/hack-5.10/773-bgmac-add-srab-switch.patch b/target/linux/generic/hack-5.10/773-bgmac-add-srab-switch.patch index 5a7e38516c..bc377bdd82 100644 --- a/target/linux/generic/hack-5.10/773-bgmac-add-srab-switch.patch +++ b/target/linux/generic/hack-5.10/773-bgmac-add-srab-switch.patch @@ -14,7 +14,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> --- a/drivers/net/ethernet/broadcom/bgmac-bcma.c +++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c -@@ -266,6 +266,7 @@ static int bgmac_probe(struct bcma_devic +@@ -280,6 +280,7 @@ static int bgmac_probe(struct bcma_devic bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST; bgmac->feature_flags |= BGMAC_FEAT_NO_RESET; bgmac->feature_flags |= BGMAC_FEAT_FORCE_SPEED_2500; |