From 0563111b9c57c14115e9d14dfb1d79cab42acaba Mon Sep 17 00:00:00 2001 From: acoul Date: Sun, 29 Nov 2015 08:35:21 +0200 Subject: [PATCH] target/ar71xx: remove an obsolete patch --- ...-prevent-rescheduling-during-command.patch | 61 ------------------- 1 file changed, 61 deletions(-) delete mode 100644 target/linux/ar71xx/patches-4.1/904-phy-mdio-bitbang-prevent-rescheduling-during-command.patch diff --git a/target/linux/ar71xx/patches-4.1/904-phy-mdio-bitbang-prevent-rescheduling-during-command.patch b/target/linux/ar71xx/patches-4.1/904-phy-mdio-bitbang-prevent-rescheduling-during-command.patch deleted file mode 100644 index 68f86e0e09..0000000000 --- a/target/linux/ar71xx/patches-4.1/904-phy-mdio-bitbang-prevent-rescheduling-during-command.patch +++ /dev/null @@ -1,61 +0,0 @@ -From 66e584435ac0de6e0abeb6d7166fe4fe25d6bb73 Mon Sep 17 00:00:00 2001 -From: Jonas Gorski -Date: Tue, 16 Jun 2015 13:15:08 +0200 -Subject: [PATCH] phy/mdio-bitbang: prevent rescheduling during command - -It seems some phys have some maximum timings for accessing the MDIO line, -resulting in bit errors under cpu stress. Prevent this from happening by -disabling interrupts when sending commands. - -Signed-off-by: Jonas Gorski ---- - drivers/net/phy/mdio-bitbang.c | 9 +++++++++ - 1 file changed, 9 insertions(+) - ---- a/drivers/net/phy/mdio-bitbang.c -+++ b/drivers/net/phy/mdio-bitbang.c -@@ -17,6 +17,7 @@ - * kind, whether express or implied. - */ - -+#include - #include - #include - #include -@@ -156,7 +157,9 @@ static int mdiobb_read(struct mii_bus *b - { - struct mdiobb_ctrl *ctrl = bus->priv; - int ret, i; -+ long flags; - -+ local_irq_save(flags); - if (reg & MII_ADDR_C45) { - reg = mdiobb_cmd_addr(ctrl, phy, reg); - mdiobb_cmd(ctrl, MDIO_C45_READ, phy, reg); -@@ -169,13 +172,17 @@ static int mdiobb_read(struct mii_bus *b - - ret = mdiobb_get_num(ctrl, 16); - mdiobb_get_bit(ctrl); -+ local_irq_restore(flags); -+ - return ret; - } - - static int mdiobb_write(struct mii_bus *bus, int phy, int reg, u16 val) - { - struct mdiobb_ctrl *ctrl = bus->priv; -+ long flags; - -+ local_irq_save(flags); - if (reg & MII_ADDR_C45) { - reg = mdiobb_cmd_addr(ctrl, phy, reg); - mdiobb_cmd(ctrl, MDIO_C45_WRITE, phy, reg); -@@ -190,6 +197,8 @@ static int mdiobb_write(struct mii_bus * - - ctrl->ops->set_mdio_dir(ctrl, 0); - mdiobb_get_bit(ctrl); -+ local_irq_restore(flags); -+ - return 0; - } - -- 2.35.1