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Date: Mon, 4 Jan 2016 18:36:56 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Florian Fainelli <f.fainelli@...il.com>
Cc: netdev <netdev@...r.kernel.org>, Andrew Lunn <andrew@...n.ch>
Subject: [RFC PATCH net-next 18/24] phy: Move phy specific bus match into phy_device
Matching a driver to a device has both generic parts, and parts which
are specific to PHY devices. Move the PHY specific parts into
phy_device.
Signed-off-by: Andrew Lunn <andrew@...n.ch>
---
drivers/net/phy/mdio_bus.c | 38 ++++++++++++--------------------------
drivers/net/phy/phy_device.c | 28 ++++++++++++++++++++++++++++
include/linux/mdio.h | 1 +
3 files changed, 41 insertions(+), 26 deletions(-)
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 65ff8199bd09..bd523b2c6331 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -523,41 +523,27 @@ int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val)
EXPORT_SYMBOL(mdiobus_write);
/**
- * mdio_bus_match - determine if given PHY driver supports the given PHY device
- * @dev: target PHY device
- * @drv: given PHY driver
+ * mdio_bus_match - determine if given MDIO driver supports the given
+ * MDIO device
+ * @dev: target MDIO device
+ * @drv: given MDIO driver
*
- * Description: Given a PHY device, and a PHY driver, return 1 if
- * the driver supports the device. Otherwise, return 0.
+ * Description: Given a MDIO device, and a MDIO driver, return 1 if
+ * the driver supports the device. Otherwise, return 0. This may
+ * require calling the devices own match function, since different classes
+ * of MDIO devices have different match criteria.
*/
static int mdio_bus_match(struct device *dev, struct device_driver *drv)
{
- struct phy_device *phydev = to_phy_device(dev);
- struct phy_driver *phydrv = to_phy_driver(drv);
- const int num_ids = ARRAY_SIZE(phydev->c45_ids.device_ids);
- int i;
+ struct mdio_device *mdio = to_mdio_device(dev);
if (of_driver_match_device(dev, drv))
return 1;
- if (phydrv->match_phy_device)
- return phydrv->match_phy_device(phydev);
+ if (mdio->bus_match)
+ return mdio->bus_match(dev, drv);
- if (phydev->is_c45) {
- for (i = 1; i < num_ids; i++) {
- if (!(phydev->c45_ids.devices_in_package & (1 << i)))
- continue;
-
- if ((phydrv->phy_id & phydrv->phy_id_mask) ==
- (phydev->c45_ids.device_ids[i] &
- phydrv->phy_id_mask))
- return 1;
- }
- return 0;
- } else {
- return (phydrv->phy_id & phydrv->phy_id_mask) ==
- (phydev->phy_id & phydrv->phy_id_mask);
- }
+ return 0;
}
#ifdef CONFIG_PM
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 85a942cb1a2d..f08d3a9709de 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -257,6 +257,33 @@ static int phy_scan_fixups(struct phy_device *phydev)
return 0;
}
+static int phy_bus_match(struct device *dev, struct device_driver *drv)
+{
+ struct phy_device *phydev = to_phy_device(dev);
+ struct phy_driver *phydrv = to_phy_driver(drv);
+ const int num_ids = ARRAY_SIZE(phydev->c45_ids.device_ids);
+ int i;
+
+ if (phydrv->match_phy_device)
+ return phydrv->match_phy_device(phydev);
+
+ if (phydev->is_c45) {
+ for (i = 1; i < num_ids; i++) {
+ if (!(phydev->c45_ids.devices_in_package & (1 << i)))
+ continue;
+
+ if ((phydrv->phy_id & phydrv->phy_id_mask) ==
+ (phydev->c45_ids.device_ids[i] &
+ phydrv->phy_id_mask))
+ return 1;
+ }
+ return 0;
+ } else {
+ return (phydrv->phy_id & phydrv->phy_id_mask) ==
+ (phydev->phy_id & phydrv->phy_id_mask);
+ }
+}
+
struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
bool is_c45,
struct phy_c45_device_ids *c45_ids)
@@ -275,6 +302,7 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
mdiodev->dev.bus = &mdio_bus_type;
mdiodev->bus = bus;
mdiodev->pm_ops = MDIO_BUS_PHY_PM_OPS;
+ mdiodev->bus_match = phy_bus_match;
mdiodev->addr = addr;
mdiodev->flags = MDIO_DEVICE_FLAG_PHY;
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index 9f844d372ed5..0690359e55a5 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h
@@ -17,6 +17,7 @@ struct mdio_device {
struct device dev;
const struct dev_pm_ops *pm_ops;
struct mii_bus *bus;
+ int (*bus_match)(struct device *dev, struct device_driver *drv);
/* Bus address of the MDIO device (0-31) */
int addr;
int flags;
--
2.6.4
--
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