[PATCH net-next v6 08/25] net: dsa: qca8k: handle error from qca8k_busy_wait

Ansuel Smith
2021-05-14T21:01:11Z

Propagate errors from qca8k_busy_wait instead of hardcoding return
value.

Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
drivers/net/dsa/qca8k.c | 21 +++++++++++++--------
1 file changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index 409f6592048a..d4e3f81576ec 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -388,8 +388,9 @@ qca8k_fdb_access(struct qca8k_priv *priv, enum qca8k_fdb_cmd cmd, int port)
return ret;

/* wait for completion */
- if (qca8k_busy_wait(priv, QCA8K_REG_ATU_FUNC, QCA8K_ATU_FUNC_BUSY))
- return -1;
+ ret = qca8k_busy_wait(priv, QCA8K_REG_ATU_FUNC, QCA8K_ATU_FUNC_BUSY);
+ if (ret)
+ return ret;

/* Check for table full violation when adding an entry */
if (cmd == QCA8K_FDB_LOAD) {
@@ -468,8 +469,9 @@ qca8k_vlan_access(struct qca8k_priv *priv, enum qca8k_vlan_cmd cmd, u16 vid)
return ret;

/* wait for completion */
- if (qca8k_busy_wait(priv, QCA8K_REG_VTU_FUNC1, QCA8K_VTU_FUNC1_BUSY))
- return -ETIMEDOUT;
+ ret = qca8k_busy_wait(priv, QCA8K_REG_VTU_FUNC1, QCA8K_VTU_FUNC1_BUSY);
+ if (ret)
+ return ret;

/* Check for table full violation when adding an entry */
if (cmd == QCA8K_VLAN_LOAD) {
@@ -580,7 +582,9 @@ qca8k_mib_init(struct qca8k_priv *priv)
if (ret)
goto exit;

- qca8k_busy_wait(priv, QCA8K_REG_MIB, QCA8K_MIB_BUSY);
+ ret = qca8k_busy_wait(priv, QCA8K_REG_MIB, QCA8K_MIB_BUSY);
+ if (ret)
+ goto exit;

ret = qca8k_reg_set(priv, QCA8K_REG_MIB, QCA8K_MIB_CPU_KEEP);
if (ret)
@@ -670,9 +674,10 @@ qca8k_mdio_read(struct qca8k_priv *priv, int port, u32 regnum)
if (ret)
return ret;

- if (qca8k_busy_wait(priv, QCA8K_MDIO_MASTER_CTRL,
- QCA8K_MDIO_MASTER_BUSY))
- return -ETIMEDOUT;
+ ret = qca8k_busy_wait(priv, QCA8K_MDIO_MASTER_CTRL,
+ QCA8K_MDIO_MASTER_BUSY);
+ if (ret)
+ return ret;

val = qca8k_read(priv, QCA8K_MDIO_MASTER_CTRL);
if (val < 0)
--
2.30.2