by the tricky of checking FSL_SOC_USB_PRICTRL register.
Signed-off-by: Shengzhou Liu
---
based on master branch of upstream, from sdk1.4
drivers/usb/host/ehci-fsl.c |5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl
We remove the redundant tdi_reset in ehci_setup since there
is already it in ehci_reset.
It was observed that the duplicated tdi_reset was causing
the PHY_CLK_VALID bit unstable.
Signed-off-by: Shengzhou Liu
---
drivers/usb/host/ehci-hcd.c |3 ---
1 files changed, 0 insertions(+), 3
fix bug of CPU hang when missing USB PHY clock"
Signed-off-by: Shengzhou Liu
---
drivers/usb/host/ehci-fsl.c |3 +--
include/linux/fsl_devices.h |2 +-
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 1
when missing USB PHY clock, kernel booting up will hang during USB
initialization. We should check USBGP[PHY_CLK_VALID] bit to avoid
CPU hanging in this case.
Signed-off-by: Shengzhou Liu
---
v3 change: no check for UTMI PHY.
v2 change: use spin_event_timeout() instead.
drivers/usb/host/ehci
when missing USB PHY clock, kernel booting up will hang during USB
initialization. We should check USBGP[PHY_CLK_VALID] bit to avoid
CPU hanging in this case.
Signed-off-by: Shengzhou Liu
---
v2 changes: use spin_event_timeout() instead.
drivers/usb/host/ehci-fsl.c | 58
when missing USB PHY clock, kernel booting up will hang during USB
initialization. We should check USBGP[PHY_CLK_VALID] bit to avoid
CPU hanging in this case.
Signed-off-by: Shengzhou Liu
---
drivers/usb/host/ehci-fsl.c | 63 ++
drivers/usb/host/ehci
Add the missing usb controller version info and port0, which is
required during setup usb phy.
Signed-off-by: Shengzhou Liu
---
arch/powerpc/boot/dts/fsl/p4080si-post.dtsi |7 +++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/boot/dts/fsl/p4080si-post.dtsi
