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[net-next,v5,0/6] ACPI support for dpaa2 MAC driver.

Message ID 20200710163115.2740-1-calvin.johnson@oss.nxp.com
State Changes Requested
Delegated to: David Miller
Headers show

Commit Message

Calvin Johnson July 10, 2020, 4:31 p.m. UTC 
This patch series provides ACPI support for dpaa2 MAC driver.
 This also introduces ACPI mechanism to get PHYs registered on a
 MDIO bus and provide them to be connected to MAC.

 This patchset is dependent on the review patches available on:
https://git.kernel.org/pub/scm/linux/kernel/git/lpieralisi/linux.git/log/?h=for-review/acpi-iort-id-rework

 Device Tree can be tested with the below change which is also available in
the above referenced review patches:


Changes in v5:
- add description
- clean up if else
- rename phy_find_by_fwnode() to phy_find_by_mdio_handle()
- add docment for phy_find_by_mdio_handle()
- error out DT in phy_find_by_mdio_handle()
- clean up err return
- return -EINVAL for invalid fwnode

Changes in v4:
- release fwnode_mdio after use
- return ERR_PTR instead of NULL
- introduce device_mdiobus_register()

Changes in v3:
- cleanup based on v2 comments
- Added description for more properties
- Added MDIO node DSDT entry
- introduce fwnode_mdio_find_bus()
- renamed and improved phy_find_by_fwnode()
- cleanup based on v2 comments
- move code into phylink_fwnode_phy_connect()

Changes in v2:
- clean up dpaa2_mac_get_node()
- introduce find_phy_device()
- use acpi_find_child_device()

Calvin Johnson (6):
  Documentation: ACPI: DSD: Document MDIO PHY
  net: phy: introduce device_mdiobus_register()
  net/fsl: use device_mdiobus_register()
  net: phy: introduce phy_find_by_mdio_handle()
  phylink: introduce phylink_fwnode_phy_connect()
  net: dpaa2-mac: Add ACPI support for DPAA2 MAC driver

 Documentation/firmware-guide/acpi/dsd/phy.rst | 90 +++++++++++++++++++
 .../net/ethernet/freescale/dpaa2/dpaa2-mac.c  | 70 ++++++++-------
 drivers/net/ethernet/freescale/xgmac_mdio.c   |  3 +-
 drivers/net/phy/mdio_bus.c                    | 52 +++++++++++
 drivers/net/phy/phy_device.c                  | 40 +++++++++
 drivers/net/phy/phylink.c                     | 35 ++++++++
 include/linux/mdio.h                          |  1 +
 include/linux/phy.h                           |  2 +
 include/linux/phylink.h                       |  3 +
 9 files changed, 264 insertions(+), 32 deletions(-)
 create mode 100644 Documentation/firmware-guide/acpi/dsd/phy.rst
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Patch

--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -931,6 +931,7 @@  static int fsl_mc_bus_probe(struct platform_device *pdev)
        if (error < 0)
                goto error_cleanup_mc_io;

+       mc_bus_dev->dev.fwnode = pdev->dev.fwnode;
        mc->root_mc_bus_dev = mc_bus_dev;
        return 0;