linux-kernel - Re: [PATCH v2 3/3] xhci: Set HCD flag to defer primary roothub registration

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Message-ID: <1632d10f-1bbd-751b-f925-dd7b12a8846f@linux.intel.com>
Date:   Thu, 26 Aug 2021 15:45:46 +0300
From:   Mathias Nyman <mathias.nyman@...ux.intel.com>
To:     Kishon Vijay Abraham I <kishon@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Alan Stern <stern@...land.harvard.edu>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        chris.chiu@...onical.com, lokeshvutla@...com
Subject: Re: [PATCH v2 3/3] xhci: Set HCD flag to defer primary roothub
 registration

On 26.8.2021 14.14, Kishon Vijay Abraham I wrote:
> Set "HCD_FLAG_DEFER_RH_REGISTER" to hcd->flags in xhci_run() to defer
> registering primary roothub in usb_add_hcd(). This will make sure both
> primary roothub and secondary roothub will be registered along with the
> second HCD. This is required for cold plugged USB devices to be detected
> in certain PCIe USB cards (like Inateck USB card connected to AM64 EVM
> or J7200 EVM).
> 
> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
> Suggested-by: Mathias Nyman <mathias.nyman@...ux.intel.com>
> Tested-by: Chris Chiu <chris.chiu@...onical.com>
> ---

Acked-by: Mathias Nyman <mathias.nyman@...ux.intel.com>