diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/735-v5.14-19-net-dsa-qca8k-enlarge-mdio-delay-and-timeout.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/735-v5.14-19-net-dsa-qca8k-enlarge-mdio-delay-and-timeout.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/735-v5.14-19-net-dsa-qca8k-enlarge-mdio-delay-and-timeout.patch b/target/linux/generic/backport-5.10/735-v5.14-19-net-dsa-qca8k-enlarge-mdio-delay-and-timeout.patch new file mode 100644 index 0000000000..30eeed361e --- /dev/null +++ b/target/linux/generic/backport-5.10/735-v5.14-19-net-dsa-qca8k-enlarge-mdio-delay-and-timeout.patch @@ -0,0 +1,39 @@ +From 617960d72e93de0f3fa52407e2d39e8c43e73b0a Mon Sep 17 00:00:00 2001 +From: Ansuel Smith <ansuelsmth@gmail.com> +Date: Fri, 14 May 2021 23:00:09 +0200 +Subject: [PATCH] net: dsa: qca8k: enlarge mdio delay and timeout + +The witch require some extra delay after setting page or the next +read/write can use still use the old page. Add a delay after the +set_page function to address this as it's done in QSDK legacy driver. +Some timeouts were notice with VLAN and phy function, enlarge the +mdio busy wait timeout to fix these problems. + +Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/dsa/qca8k.c | 1 + + drivers/net/dsa/qca8k.h | 2 +- + 2 files changed, 2 insertions(+), 1 deletion(-) + +--- a/drivers/net/dsa/qca8k.c ++++ b/drivers/net/dsa/qca8k.c +@@ -143,6 +143,7 @@ qca8k_set_page(struct mii_bus *bus, u16 + } + + qca8k_current_page = page; ++ usleep_range(1000, 2000); + return 0; + } + +--- a/drivers/net/dsa/qca8k.h ++++ b/drivers/net/dsa/qca8k.h +@@ -20,7 +20,7 @@ + #define PHY_ID_QCA8337 0x004dd036 + #define QCA8K_ID_QCA8337 0x13 + +-#define QCA8K_BUSY_WAIT_TIMEOUT 20 ++#define QCA8K_BUSY_WAIT_TIMEOUT 2000 + + #define QCA8K_NUM_FDB_RECORDS 2048 + |