[PATCH] misc: Port USB251xB/xBi Hi-Speed Hub Controller Driver from Linux

Marek Vasut marex at denx.de
Wed Apr 13 16:19:19 CEST 2022


On 4/13/22 09:27, Michal Simek wrote:
> 
> 
> On 4/10/22 06:27, Marek Vasut wrote:
>> This patch adds a driver for configuration of the Microchip USB251xB/xBi
>> USB 2.0 hub controller series with USB 2.0 upstream connectivity, SMBus
>> configuration interface and two to four USB 2.0 downstream ports.
>>
>> This is ported from Linux as of Linux kernel commit
>> 5c2b9c61ae5d8 ("usb: usb251xb: add boost-up property support")
> 
> The patch is aligned with kernel as you said but I expect this hub will 
> be described on i2c bus which is based on
> https://lore.kernel.org/all/CAL_JsqJedhX6typpUKbnzV7CLK6UZVjq3CyG9iY_j5DLPqvVdw@mail.gmail.com/ 
> 
> 
> not where Rob would like to see ends.
> 
> It is not a problem with the patch from my point of view I just wanted 
> to let you know that based on him it should be handled differently.

Can you include me in that discussion ?

However, it seems the discussion is not about USB251x , but some other 
hub which is connected over HSIC, not USB, that's likey why Rob wants it 
described differently than this hub.


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