[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <ZmBR5I_TQ-219IEq@hovoldconsulting.com>
Date: Wed, 5 Jun 2024 13:54:12 +0200
From: Johan Hovold <johan@...nel.org>
To: Sasha Levin <sashal@...nel.org>
Cc: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
Krishna Kurapati <quic_kriskura@...cinc.com>,
Bjorn Andersson <quic_bjorande@...cinc.com>,
Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
Johan Hovold <johan+linaro@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-usb@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 6.8 15/24] usb: dwc3: core: Access XHCI address
space temporarily to read port info
On Wed, Jun 05, 2024 at 07:50:25AM -0400, Sasha Levin wrote:
> From: Krishna Kurapati <quic_kriskura@...cinc.com>
>
> [ Upstream commit 921e109c6200741499ad0136e41cca9d16431c92 ]
>
> All DWC3 Multi Port controllers that exist today only support host mode.
> Temporarily map XHCI address space for host-only controllers and parse
> XHCI Extended Capabilities registers to read number of usb2 ports and
> usb3 ports present on multiport controller. Each USB Port is at least HS
> capable.
>
> The port info for usb2 and usb3 phy are identified as num_usb2_ports
> and num_usb3_ports and these are used as iterators for phy operations
> and for modifying GUSB2PHYCFG/ GUSB3PIPECTL registers accordingly.
>
> Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
> Reviewed-by: Bjorn Andersson <quic_bjorande@...cinc.com>
> Acked-by: Thinh Nguyen <Thinh.Nguyen@...opsys.com>
> Reviewed-by: Johan Hovold <johan+linaro@...nel.org>
> Tested-by: Johan Hovold <johan+linaro@...nel.org>
> Link: https://lore.kernel.org/r/20240420044901.884098-3-quic_kriskura@quicinc.com
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
Same here. Not a fix. Please drop.
Johan
Powered by blists - more mailing lists