From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sergei Shtylyov Date: Thu, 10 Apr 2014 10:49:04 +0000 Subject: Re: [PATCH 1/2] usb: rename 'phy' field of 'struct usb_hcd' to 'transceiver' Message-Id: <53467720.8000400@cogentembedded.com> List-Id: References: <53458E95.4080505@cogentembedded.com> <534598EF.3010102@wwwdotorg.org> <53459A48.1010003@cogentembedded.com> <063D6719AE5E284EB5DD2968C1650D6D0F6F43C3@AcuExch.aculab.com> In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6D0F6F43C3@AcuExch.aculab.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: David Laight , Stephen Warren , Alan Stern Cc: "gregkh@linuxfoundation.org" , "linux-usb@vger.kernel.org" , "Peter.Chen@freescale.com" , "thierry.reding@gmail.com" , "balbi@ti.com" , "linux-tegra@vger.kernel.org" , "linux-omap@vger.kernel.org" , "linux-sh@vger.kernel.org" , "magnus.damm@gmail.com" On 10-04-2014 13:20, David Laight wrote: >> It doesn't do any pin muxing. It switches SoC internal USB signals between >> USB controllers. The pins remain the same. > Doesn't something like that already happen for the companion USB1 > controllers for USB2 ports? Did you mean USB 1.1 and USB 2.0 controllers by USB1 and USB2? > That also doesn't sound like you are changing the PHY. I am changing one of the PHY registers that controls USB port (Renesas calls it channel) multiplexing. > I'd have thought that would happen if you had a single controller > that select between multiply PHY. No, it's not the case. > David WBR, Sergei