diff mbox series

[net-next,v3,2/3] net: mdio: aspeed: Introduce read write function for c22 and c45

Message ID 20220407011738.7189-3-potin.lai@quantatw.com (mailing list archive)
State Accepted
Commit eb0571932314e6f4f0cb4e05c590fe78c01acbd7
Delegated to: Netdev Maintainers
Headers show
Series Add Clause 45 support for Aspeed MDIO | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
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: 0 this patch: 0
netdev/cc_maintainers warning 1 maintainers not CCed: pabeni@redhat.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 68 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Potin Lai April 7, 2022, 1:17 a.m. UTC 
Add following additional functions to move out the implementation from
aspeed_mdio_read() and aspeed_mdio_write().

c22:
 - aspeed_mdio_read_c22()
 - aspeed_mdio_write_c22()

c45:
 - aspeed_mdio_read_c45()
 - aspeed_mdio_write_c45()

Signed-off-by: Potin Lai <potin.lai@quantatw.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
 drivers/net/mdio/mdio-aspeed.c | 46 +++++++++++++++++++++++++---------
 1 file changed, 34 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/mdio/mdio-aspeed.c b/drivers/net/mdio/mdio-aspeed.c
index f22be2f069e9..5becddb56117 100644
--- a/drivers/net/mdio/mdio-aspeed.c
+++ b/drivers/net/mdio/mdio-aspeed.c
@@ -79,17 +79,10 @@  static int aspeed_mdio_get_data(struct mii_bus *bus)
 	return FIELD_GET(ASPEED_MDIO_DATA_MIIRDATA, data);
 }
 
-static int aspeed_mdio_read(struct mii_bus *bus, int addr, int regnum)
+static int aspeed_mdio_read_c22(struct mii_bus *bus, int addr, int regnum)
 {
 	int rc;
 
-	dev_dbg(&bus->dev, "%s: addr: %d, regnum: %d\n", __func__, addr,
-		regnum);
-
-	/* Just clause 22 for the moment */
-	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
-
 	rc = aspeed_mdio_op(bus, ASPEED_MDIO_CTRL_ST_C22, MDIO_C22_OP_READ,
 			    addr, regnum, 0);
 	if (rc < 0)
@@ -98,17 +91,46 @@  static int aspeed_mdio_read(struct mii_bus *bus, int addr, int regnum)
 	return aspeed_mdio_get_data(bus);
 }
 
+static int aspeed_mdio_write_c22(struct mii_bus *bus, int addr, int regnum,
+				 u16 val)
+{
+	return aspeed_mdio_op(bus, ASPEED_MDIO_CTRL_ST_C22, MDIO_C22_OP_WRITE,
+			      addr, regnum, val);
+}
+
+static int aspeed_mdio_read_c45(struct mii_bus *bus, int addr, int regnum)
+{
+	/* TODO: add c45 support */
+	return -EOPNOTSUPP;
+}
+
+static int aspeed_mdio_write_c45(struct mii_bus *bus, int addr, int regnum,
+				 u16 val)
+{
+	/* TODO: add c45 support */
+	return -EOPNOTSUPP;
+}
+
+static int aspeed_mdio_read(struct mii_bus *bus, int addr, int regnum)
+{
+	dev_dbg(&bus->dev, "%s: addr: %d, regnum: %d\n", __func__, addr,
+		regnum);
+
+	if (regnum & MII_ADDR_C45)
+		return aspeed_mdio_read_c45(bus, addr, regnum);
+
+	return aspeed_mdio_read_c22(bus, addr, regnum);
+}
+
 static int aspeed_mdio_write(struct mii_bus *bus, int addr, int regnum, u16 val)
 {
 	dev_dbg(&bus->dev, "%s: addr: %d, regnum: %d, val: 0x%x\n",
 		__func__, addr, regnum, val);
 
-	/* Just clause 22 for the moment */
 	if (regnum & MII_ADDR_C45)
-		return -EOPNOTSUPP;
+		return aspeed_mdio_write_c45(bus, addr, regnum, val);
 
-	return aspeed_mdio_op(bus, ASPEED_MDIO_CTRL_ST_C22, MDIO_C22_OP_WRITE,
-			      addr, regnum, val);
+	return aspeed_mdio_write_c22(bus, addr, regnum, val);
 }
 
 static int aspeed_mdio_probe(struct platform_device *pdev)