ralink: fix USB host function for Intenso M2M
authorJohn Crispin <john@openwrt.org>
Tue, 3 Feb 2015 10:11:11 +0000 (10:11 +0000)
committerJohn Crispin <john@openwrt.org>
Tue, 3 Feb 2015 10:11:11 +0000 (10:11 +0000)
The ubootloader of the M2M sets the reset bits for
both USB device and USB host during initialization
(to save a few mA of power during boot).

However, for the usb<->sata bridge to be properly
detected, it is necessary to clear both reset bits
as otherwise the kernel logs will just be filled
with:

usb 1-1: device descriptor read/64, error -145
...

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
SVN-Revision: 44248

target/linux/ramips/patches-3.14/0037-USB-phy-add-ralink-SoC-driver.patch

index 9920afb..b5c199a 100644 (file)
@@ -37,7 +37,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 +obj-$(CONFIG_RALINK_USBPHY)           += ralink-phy.o
 --- /dev/null
 +++ b/drivers/usb/phy/ralink-phy.c
-@@ -0,0 +1,191 @@
+@@ -0,0 +1,193 @@
 +/*
 + * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
 + *
@@ -103,6 +103,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
 +                      rt_sysc_m32(0, RT_SYSCFG1_USB0_HOST_MODE, RT_SYSC_REG_SYSCFG1);
 +                      if (!IS_ERR(rsthost))
 +                              reset_control_deassert(rsthost);
++                      if (!IS_ERR(rstdev))
++                              reset_control_deassert(rstdev);
 +              } else {
 +                      rt_sysc_m32(RT_SYSCFG1_USB0_HOST_MODE, 0, RT_SYSC_REG_SYSCFG1);
 +                      if (!IS_ERR(rstdev))