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From: Mathias Nyman <>
To: Kishon Vijay Abraham I <>,
	Greg Kroah-Hartman <>,
	Mathias Nyman <>,
	Alan Stern <>
Subject: Re: [PATCH v2 3/3] xhci: Set HCD flag to defer primary roothub registration
Date: Thu, 26 Aug 2021 15:45:46 +0300	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

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 <>
> Suggested-by: Mathias Nyman <>
> Tested-by: Chris Chiu <>
> ---

Acked-by: Mathias Nyman <>

      reply	other threads:[~2021-08-26 12:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-26 11:14 [PATCH v2 0/3] Fix cold plugged USB device on certain PCIe USB cards Kishon Vijay Abraham I
2021-08-26 11:14 ` [PATCH v2 1/3] usb: core: hcd: Modularize HCD stop configuration in usb_stop_hcd() Kishon Vijay Abraham I
2021-08-26 11:14 ` [PATCH v2 2/3] usb: core: hcd: Add support for deferring roothub registration Kishon Vijay Abraham I
2021-08-26 12:47   ` Mathias Nyman
2021-08-26 15:16   ` Alan Stern
2021-08-26 11:14 ` [PATCH v2 3/3] xhci: Set HCD flag to defer primary " Kishon Vijay Abraham I
2021-08-26 12:45   ` Mathias Nyman [this message]

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