From: Oliver Neukum <oneukum@suse.com>
To: Rick Tseng <rtseng@nvidia.com>,
mathias.nyman@intel.com, gregkh@linuxfoundation.org
Cc: linux-usb@vger.kernel.org
Subject: Re: [PATCH] xhci: wait CNR when doing xhci resume
Date: Mon, 12 Aug 2019 10:19:49 +0200 [thread overview]
Message-ID: <1565597989.14671.3.camel@suse.com> (raw)
In-Reply-To: <1565594692-23683-1-git-send-email-rtseng@nvidia.com>
Am Montag, den 12.08.2019, 15:24 +0800 schrieb Rick Tseng:
> From: Rick <rtseng@nvidia.com>
>
> NVIDIA 3.1 xHCI card would lose power when moving power state into D3Cold.
> Thus we need to wait CNR bit to clear when xhci resmue as xhci init.
Should any controller have CNR set? Why is this specific to a vendor?
Regards
Oliver
next prev parent reply other threads:[~2019-08-12 8:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-12 7:24 [PATCH] xhci: wait CNR when doing xhci resume Rick Tseng
2019-08-12 8:12 ` Felipe Balbi
2019-08-12 8:19 ` Oliver Neukum [this message]
2019-08-13 10:39 ` Mathias Nyman
2019-08-13 12:33 ` Rick Tseng
2019-08-13 12:36 ` Felipe Balbi
2019-08-13 13:12 ` Mathias Nyman
2019-08-12 13:39 ` Greg KH
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