diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.18/100-MIPS-BCM63XX-add-USB-host-clock-enable-delay.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.18/100-MIPS-BCM63XX-add-USB-host-clock-enable-delay.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.18/100-MIPS-BCM63XX-add-USB-host-clock-enable-delay.patch b/target/linux/brcm63xx/patches-3.18/100-MIPS-BCM63XX-add-USB-host-clock-enable-delay.patch new file mode 100644 index 0000000..63d385b --- /dev/null +++ b/target/linux/brcm63xx/patches-3.18/100-MIPS-BCM63XX-add-USB-host-clock-enable-delay.patch @@ -0,0 +1,28 @@ +From 80a2f983e9f44dbc3e01ae31c62d877846a7f791 Mon Sep 17 00:00:00 2001 +From: Florian Fainelli <florian@openwrt.org> +Date: Mon, 28 Jan 2013 20:06:19 +0100 +Subject: [PATCH 01/11] MIPS: BCM63XX: add USB host clock enable delay + +Knowledge of the clock setup delay should remain at the clock level (so +it can be clock specific and CPU specific). Add the 100 milliseconds +required clock delay for the USB host clock when it gets enabled. + +Signed-off-by: Florian Fainelli <florian@openwrt.org> +--- + arch/mips/bcm63xx/clk.c | 5 +++++ + 1 file changed, 5 insertions(+) + +--- a/arch/mips/bcm63xx/clk.c ++++ b/arch/mips/bcm63xx/clk.c +@@ -177,6 +177,11 @@ static void usbh_set(struct clk *clk, in + bcm_hwclock_set(CKCTL_6362_USBH_EN, enable); + else if (BCMCPU_IS_6368()) + bcm_hwclock_set(CKCTL_6368_USBH_EN, enable); ++ else ++ return; ++ ++ if (enable) ++ msleep(100); + } + + static struct clk clk_usbh = { |