Re: [PATCH v4 0/2] usb: override hub device bInterval with device

[Johan Hovold]

On Tue, Dec 03, 2019 at 06:15:21PM +0800, Ikjoon Jang wrote:
> This patchset enables hard wired hub device to use different bInterval
> from its descriptor when the hub has a combined device node.
> 
> When we know reducing autosuspend delay for built-in HIDs is better for
> power saving, we can reduce it to the optimal value. But if a parent hub
> has a long bInterval, mouse lags a lot from more frequent autosuspend.
> So this enables overriding bInterval for a hard wired hub device only
> when we know that reduces the power consumption.
> 
> Changes in v4
> - use of_property_read_u32() instead of of_property_read_u8()

What changed in the previous versions?

Johan