OpenWrt
/branches/18.06.1/target/linux/brcm63xx/patches-4.14/100-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 |
@@ -214,6 +214,11 @@ 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 = { |