diff options
Diffstat (limited to 'arch/arm/mach-tegra/nvddk/nvddk_usbphy.c')
| -rw-r--r-- | arch/arm/mach-tegra/nvddk/nvddk_usbphy.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/arch/arm/mach-tegra/nvddk/nvddk_usbphy.c b/arch/arm/mach-tegra/nvddk/nvddk_usbphy.c index 7a9da42cdf7c..2ec63f3eae91 100644 --- a/arch/arm/mach-tegra/nvddk/nvddk_usbphy.c +++ b/arch/arm/mach-tegra/nvddk/nvddk_usbphy.c @@ -404,8 +404,11 @@ NvDdkUsbPhyHelperThread( /* wait for the signal to turn on/off the busy hints and vbus */ NvOsSemaphoreWaitTimeout(hUsbPhy->HelperThreadSema, NV_WAIT_INFINITE); - /* Turn on/off the USB busy hints */ - UsbPhyDfsBusyHint(hUsbPhy, hUsbPhy->IsPhyPoweredUp, NV_WAIT_INFINITE); + if (!(hUsbPhy->IsPhyPoweredUp && hUsbPhy->IsHostMode)) + { + /* Turn on/off the USB busy hints */ + UsbPhyDfsBusyHint(hUsbPhy, hUsbPhy->IsPhyPoweredUp, NV_WAIT_INFINITE); + } /* Turn on/off the vbus for host mode */ if (hUsbPhy->IsHostMode) { @@ -557,9 +560,12 @@ NvDdkUsbPhyOpen( // Open the H/W interface UsbPhyOpenHwInterface(pUsbPhy); - /* enable the busy hints for USB */ - UsbPhyDfsBusyHint(pUsbPhy, NV_TRUE, NV_WAIT_INFINITE); - + /* Enable the busy hints for USB device mode, for host mode * + * transaction based busy hints are on/off mechanism is present */ + if (pUsbPhy->pProperty->UsbMode != NvOdmUsbModeType_Host) + { + UsbPhyDfsBusyHint(pUsbPhy, NV_TRUE, NV_WAIT_INFINITE); + } // Initialize the USB Phy NV_CHECK_ERROR_CLEANUP(UsbPhyInitialize(pUsbPhy)); } |