LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Mathias Nyman <mathias.nyman@linux.intel.com>
To: Kishon Vijay Abraham I <kishon@ti.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Mathias Nyman <mathias.nyman@intel.com>,
Alan Stern <stern@rowland.harvard.edu>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
chris.chiu@canonical.com, lokeshvutla@ti.com
Subject: Re: [PATCH v2 2/3] usb: core: hcd: Add support for deferring roothub registration
Date: Thu, 26 Aug 2021 15:47:57 +0300 [thread overview]
Message-ID: <1c49d091-cb9d-6c5c-eb34-5a5bc7b8c25e@linux.intel.com> (raw)
In-Reply-To: <20210826111426.751-3-kishon@ti.com>
On 26.8.2021 14.14, Kishon Vijay Abraham I wrote:
> It has been observed with certain PCIe USB cards (like Inateck connected
> to AM64 EVM or J7200 EVM) that as soon as the primary roothub is
> registered, port status change is handled even before xHC is running
> leading to cold plug USB devices not detected. For such cases, registering
> both the root hubs along with the second HCD is required. Add support for
> deferring roothub registration in usb_add_hcd(), so that both primary and
> secondary roothubs are registered along with the second HCD.
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> Suggested-by: Mathias Nyman <mathias.nyman@linux.intel.com>
> Tested-by: Chris Chiu <chris.chiu@canonical.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
next prev parent reply other threads:[~2021-08-26 12:45 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 [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1c49d091-cb9d-6c5c-eb34-5a5bc7b8c25e@linux.intel.com \
--to=mathias.nyman@linux.intel.com \
--cc=chris.chiu@canonical.com \
--cc=gregkh@linuxfoundation.org \
--cc=kishon@ti.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=lokeshvutla@ti.com \
--cc=mathias.nyman@intel.com \
--cc=stern@rowland.harvard.edu \
--subject='Re: [PATCH v2 2/3] usb: core: hcd: Add support for deferring roothub registration' \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).