diff options
Diffstat (limited to 'target/linux/generic/patches-4.4/073-v4.10-0003-net-bgmac-use-PHY-subsystem-for-initializing-PHY.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/073-v4.10-0003-net-bgmac-use-PHY-subsystem-for-initializing-PHY.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.4/073-v4.10-0003-net-bgmac-use-PHY-subsystem-for-initializing-PHY.patch b/target/linux/generic/patches-4.4/073-v4.10-0003-net-bgmac-use-PHY-subsystem-for-initializing-PHY.patch new file mode 100644 index 0000000000..d1be3e3f4c --- /dev/null +++ b/target/linux/generic/patches-4.4/073-v4.10-0003-net-bgmac-use-PHY-subsystem-for-initializing-PHY.patch @@ -0,0 +1,53 @@ +From 8e6f31baba7e2c13ab7e954fe6179420a7545a8b Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Tue, 31 Jan 2017 19:37:56 +0100 +Subject: [PATCH 3/3] net: bgmac: use PHY subsystem for initializing PHY +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +This adds support for using bgmac with PHYs supported by standalone PHY +drivers. Having any PHY initialization in bgmac is hacky and shouldn't +be extended but rather removed if anyone has hardware to test it. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c | 10 ++++++++++ + 1 file changed, 10 insertions(+) + +--- a/drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c ++++ b/drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c +@@ -132,6 +132,10 @@ static void bcma_mdio_phy_init(struct bg + struct bcma_chipinfo *ci = &bgmac->bcma.core->bus->chipinfo; + u8 i; + ++ /* For some legacy hardware we do chipset-based PHY initialization here ++ * without even detecting PHY ID. It's hacky and should be cleaned as ++ * soon as someone can test it. ++ */ + if (ci->id == BCMA_CHIP_ID_BCM5356) { + for (i = 0; i < 5; i++) { + bcma_mdio_phy_write(bgmac, i, 0x1f, 0x008b); +@@ -140,6 +144,7 @@ static void bcma_mdio_phy_init(struct bg + bcma_mdio_phy_write(bgmac, i, 0x12, 0x2aaa); + bcma_mdio_phy_write(bgmac, i, 0x1f, 0x000b); + } ++ return; + } + if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg != 10) || + (ci->id == BCMA_CHIP_ID_BCM4749 && ci->pkg != 10) || +@@ -161,7 +166,12 @@ static void bcma_mdio_phy_init(struct bg + bcma_mdio_phy_write(bgmac, i, 0x17, 0x9273); + bcma_mdio_phy_write(bgmac, i, 0x1f, 0x000b); + } ++ return; + } ++ ++ /* For all other hw do initialization using PHY subsystem. */ ++ if (bgmac->net_dev && bgmac->net_dev->phydev) ++ phy_init_hw(bgmac->net_dev->phydev); + } + + /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/chipphyreset */ |