[v3] usb: host: xhci-plat: Iterate over parent nodes for finding quirks

[Mathias Nyman <mathias.nyman@linux.intel.com>]

On 06.08.2018 16:04, Anurag Kumar Vulisha wrote:
> In xhci_plat_probe() both sysdev and pdev->dev are being used
> for finding quirks. There are some drivers(like dwc3 host.c)
> which adds quirks(like usb3-lpm-capable) into pdev and the logic
> present in xhci_plat_probe() checks for quirks in either sysdev
> or pdev for finding the quirks. Because of this logic, some of
> the quirks are getting missed(usb3-lpm-capable quirk added by dwc3
> host.c driver is getting missed).This patch fixes this by iterating
> over all the available parents for finding the quirks. In this way
> all the quirks which are present in child or parent are correctly
> updated.
> 
> Signed-off-by: Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com>
> ---
>   Changes in v3:
> 	1. As Mathias suggested, moved the position of reading devicetree
> 	   property "imod-interval-ns" into for loop
> 
>   Changes in v2:
> 	1. As suggested by Mathias, restoring immod_interval changes to
> 	   default
> ---

Thanks, adding to queue

-Mathias
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