diff options
Diffstat (limited to 'target/linux/brcm63xx/patches-3.9/101-MIPS-BCM63XX-add-USB-device-clock-enable-delay-to-cl.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-3.9/101-MIPS-BCM63XX-add-USB-device-clock-enable-delay-to-cl.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/target/linux/brcm63xx/patches-3.9/101-MIPS-BCM63XX-add-USB-device-clock-enable-delay-to-cl.patch b/target/linux/brcm63xx/patches-3.9/101-MIPS-BCM63XX-add-USB-device-clock-enable-delay-to-cl.patch new file mode 100644 index 0000000000..eaf75030f0 --- /dev/null +++ b/target/linux/brcm63xx/patches-3.9/101-MIPS-BCM63XX-add-USB-device-clock-enable-delay-to-cl.patch @@ -0,0 +1,41 @@ +From 8e9bf528a122741f0171b89c297b63041116d704 Mon Sep 17 00:00:00 2001 +From: Florian Fainelli <florian@openwrt.org> +Date: Mon, 28 Jan 2013 20:06:20 +0100 +Subject: [PATCH 02/11] MIPS: BCM63XX: add USB device clock enable delay to + clock code + +This patch adds the required 10 micro seconds delay to the USB device +clock enable operation. Put this where the correct clock knowledege is, +which is in the clock code, and remove this delay from the bcm63xx_udc +gadget driver where it was before. + +Signed-off-by: Florian Fainelli <florian@openwrt.org> +--- + arch/mips/bcm63xx/clk.c | 5 +++++ + drivers/usb/gadget/bcm63xx_udc.c | 1 - + 2 files changed, 5 insertions(+), 1 deletion(-) + +--- a/arch/mips/bcm63xx/clk.c ++++ b/arch/mips/bcm63xx/clk.c +@@ -199,6 +199,11 @@ static void usbd_set(struct clk *clk, in + bcm_hwclock_set(CKCTL_6362_USBD_EN, enable); + else if (BCMCPU_IS_6368()) + bcm_hwclock_set(CKCTL_6368_USBD_EN, enable); ++ else ++ return; ++ ++ if (enable) ++ udelay(10); + } + + static struct clk clk_usbd = { +--- a/drivers/usb/gadget/bcm63xx_udc.c ++++ b/drivers/usb/gadget/bcm63xx_udc.c +@@ -386,7 +386,6 @@ static inline void set_clocks(struct bcm + if (is_enabled) { + clk_enable(udc->usbh_clk); + clk_enable(udc->usbd_clk); +- udelay(10); + } else { + clk_disable(udc->usbd_clk); + clk_disable(udc->usbh_clk); |