[PATCH net-next v4 0/4] net: fec: fix refclk enable for SMSC LAN8710/20

From: Richard Leitner
Date: Thu Dec 07 2017 - 09:47:02 EST


From: Richard Leitner <richard.leitner@xxxxxxxxxxx>

This patch series fixes the use of the SMSC LAN8710/20 with a Freescale ETH
when the refclk is generated by the FSL.

This patchset depends on the "phylib: Add device reset GPIO support" patch
submitted by Geert Uytterhoeven/Sergei Shtylyov, which was merged to
net-next as commit bafbdd527d56 ("phylib: Add device reset GPIO support").

Changes v4:
- simplify dts parsing
- simplify reset delay evaluation and execution
- fec: ensure to only reset once during fec_enet_open()
- remove dependency notes from commit message
- add reviews and acks

Changes v3:
- use phylib to hard-reset the PHY
- implement reset delays in phylib
- add new phylib API & flag (PHY_RST_AFTER_CLK_EN) to determine if
a PHY is affected

Changes v2:
- simplify and fix fec_reset_phy function to support multiple calls
- include: linux: phy: harmonize phy_id{,_mask} type
- reset the phy instead of not turning the clock on and off
(which would have caused a power consumption regression)

Richard Leitner (4):
phylib: Add device reset delay support
phylib: add reset after clk enable support
net: phy: smsc: LAN8710/20: add PHY_RST_AFTER_CLK_EN flag
net: fec: add phy_reset_after_clk_enable() support

Documentation/devicetree/bindings/net/phy.txt | 10 ++++++++++
drivers/net/ethernet/freescale/fec_main.c | 20 ++++++++++++++++++++
drivers/net/phy/mdio_device.c | 13 +++++++++++--
drivers/net/phy/phy_device.c | 24 ++++++++++++++++++++++++
drivers/net/phy/smsc.c | 2 +-
drivers/of/of_mdio.c | 4 ++++
include/linux/mdio.h | 2 ++
include/linux/phy.h | 2 ++
8 files changed, 74 insertions(+), 3 deletions(-)

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2.11.0