Re: [PATCH v1 3/9] usb: chipidea: Add support for Tegra20/30/114/124

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 06.07.2017 04:23, Peter Chen wrote:
> On Wed, Jul 05, 2017 at 08:19:52PM +0300, Dmitry Osipenko wrote:
>> +	/* setup and register ChipIdea HDRC device */
>> +	udc->data.name = "tegra-udc";
>> +	udc->data.capoffset = DEF_CAPOFFSET;
>> +	udc->data.flags = 0;
>> +	udc->data.usb_phy = udc->phy;
>> +
>> +	/* setup device specific quirks */
>> +	soc = id->data;
>> +
>> +	if (!soc->supports_unaligned_dma)
>> +		udc->data.flags |= CI_HDRC_REQUIRES_ALIGNED_DMA;
>> +
>> +	/* power on UDC controller */
>> +	usb_phy_set_suspend(udc->phy, 0);
> 
> Why above is needed? The chipidea core will do usb_phy_init for power
> on.
> 

It is needed because Tegra's USB PHY driver doesn't hook up .init() of the
struct usb_phy and the power management is handled by set_suspend().

-- 
Dmitry
--
To unsubscribe from this list: send the line "unsubscribe linux-tegra" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [ARM Kernel]     [Linux ARM]     [Linux ARM MSM]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux