diff mbox series

[net-next,07/15] net: mdio: add unlocked mdiobus and mdiodev bus accessors

Message ID E1o0jge-000JYn-Mc@rmk-PC.armlinux.org.uk (mailing list archive)
State Changes Requested
Delegated to: Netdev Maintainers
Headers show
Series net: dsa: mv88e6xxx: convert to phylink pcs | expand

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netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 575 this patch: 575
netdev/cc_maintainers warning 1 maintainers not CCed: linux@armlinux.org.uk
netdev/build_clang success Errors and warnings before: 312 this patch: 312
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 544 this patch: 544
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 76 lines checked
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netdev/source_inline success Was 0 now: 0

Commit Message

Russell King (Oracle) June 13, 2022, 1 p.m. UTC 
Add the following unlocked accessors to complete the set:
__mdiobus_modify()
__mdiodev_read()
__mdiodev_write()
__mdiodev_modify()
__mdiodev_modify_changed()
which we will need for Marvell DSA PCS conversion.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
---
 drivers/net/phy/mdio_bus.c | 24 ++++++++++++++++++++++--
 include/linux/mdio.h       | 26 ++++++++++++++++++++++++++
 2 files changed, 48 insertions(+), 2 deletions(-)

Comments

Andrew Lunn June 14, 2022, 9:44 p.m. UTC | #1 
On Mon, Jun 13, 2022 at 02:00:56PM +0100, Russell King (Oracle) wrote:
> Add the following unlocked accessors to complete the set:
> __mdiobus_modify()
> __mdiodev_read()
> __mdiodev_write()
> __mdiodev_modify()
> __mdiodev_modify_changed()
> which we will need for Marvell DSA PCS conversion.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew
diff mbox series

Patch

diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 5224ff0ac0db..f8c56e0b7a9d 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -922,6 +922,26 @@  int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val)
 }
 EXPORT_SYMBOL(mdiobus_write);
 
+/**
+ * __mdiobus_modify - Convenience function for modifying a given mdio device
+ *	register
+ * @bus: the mii_bus struct
+ * @addr: the phy address
+ * @regnum: register number to write
+ * @mask: bit mask of bits to clear
+ * @set: bit mask of bits to set
+ */
+int __mdiobus_modify(struct mii_bus *bus, int addr, u32 regnum, u16 mask,
+		     u16 set)
+{
+	int err;
+
+	err = __mdiobus_modify_changed(bus, addr, regnum, mask, set);
+
+	return err < 0 ? err : 0;
+}
+EXPORT_SYMBOL_GPL(__mdiobus_modify);
+
 /**
  * mdiobus_modify - Convenience function for modifying a given mdio device
  *	register
@@ -936,10 +956,10 @@  int mdiobus_modify(struct mii_bus *bus, int addr, u32 regnum, u16 mask, u16 set)
 	int err;
 
 	mutex_lock(&bus->mdio_lock);
-	err = __mdiobus_modify_changed(bus, addr, regnum, mask, set);
+	err = __mdiobus_modify(bus, addr, regnum, mask, set);
 	mutex_unlock(&bus->mdio_lock);
 
-	return err < 0 ? err : 0;
+	return err;
 }
 EXPORT_SYMBOL_GPL(mdiobus_modify);
 
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index 0f91ea11777a..9a3a9cded388 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h
@@ -414,6 +414,8 @@  static inline u32 linkmode_adv_to_mii_t1_adv_m_t(unsigned long *advertising)
 
 int __mdiobus_read(struct mii_bus *bus, int addr, u32 regnum);
 int __mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val);
+int __mdiobus_modify(struct mii_bus *bus, int addr, u32 regnum, u16 mask,
+		     u16 set);
 int __mdiobus_modify_changed(struct mii_bus *bus, int addr, u32 regnum,
 			     u16 mask, u16 set);
 
@@ -426,6 +428,30 @@  int mdiobus_modify(struct mii_bus *bus, int addr, u32 regnum, u16 mask,
 int mdiobus_modify_changed(struct mii_bus *bus, int addr, u32 regnum,
 			   u16 mask, u16 set);
 
+static inline int __mdiodev_read(struct mdio_device *mdiodev, u32 regnum)
+{
+	return __mdiobus_read(mdiodev->bus, mdiodev->addr, regnum);
+}
+
+static inline int __mdiodev_write(struct mdio_device *mdiodev, u32 regnum,
+				  u16 val)
+{
+	return __mdiobus_write(mdiodev->bus, mdiodev->addr, regnum, val);
+}
+
+static inline int __mdiodev_modify(struct mdio_device *mdiodev, u32 regnum,
+				   u16 mask, u16 set)
+{
+	return __mdiobus_modify(mdiodev->bus, mdiodev->addr, regnum, mask, set);
+}
+
+static inline int __mdiodev_modify_changed(struct mdio_device *mdiodev,
+					   u32 regnum, u16 mask, u16 set)
+{
+	return __mdiobus_modify_changed(mdiodev->bus, mdiodev->addr, regnum,
+					mask, set);
+}
+
 static inline int mdiodev_read(struct mdio_device *mdiodev, u32 regnum)
 {
 	return mdiobus_read(mdiodev->bus, mdiodev->addr, regnum);