diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/785-v5.14-08-net-dsa-qca8k-handle-error-from-qca8k_busy_wait.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/785-v5.14-08-net-dsa-qca8k-handle-error-from-qca8k_busy_wait.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/785-v5.14-08-net-dsa-qca8k-handle-error-from-qca8k_busy_wait.patch b/target/linux/generic/backport-5.10/785-v5.14-08-net-dsa-qca8k-handle-error-from-qca8k_busy_wait.patch new file mode 100644 index 0000000000..360ce1d947 --- /dev/null +++ b/target/linux/generic/backport-5.10/785-v5.14-08-net-dsa-qca8k-handle-error-from-qca8k_busy_wait.patch @@ -0,0 +1,66 @@ +From b7c818d194927bdc60ed15db55bb8654496a36b7 Mon Sep 17 00:00:00 2001 +From: Ansuel Smith <ansuelsmth@gmail.com> +Date: Fri, 14 May 2021 22:59:58 +0200 +Subject: [PATCH] net: dsa: qca8k: handle error from qca8k_busy_wait + +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> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/dsa/qca8k.c | 21 +++++++++++++-------- + 1 file changed, 13 insertions(+), 8 deletions(-) + +--- a/drivers/net/dsa/qca8k.c ++++ b/drivers/net/dsa/qca8k.c +@@ -388,8 +388,9 @@ qca8k_fdb_access(struct qca8k_priv *priv + 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 *pri + 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, + 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) |