From: Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>
To: Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org>
Cc: Jassi Brar
<jassisinghbrar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Greg KH
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
Alan Stern
<stern-nwvwT67g6+6dFdvTe/nMLpVzexx5G7lz@public.gmane.org>,
Ming Lei <tom.leiming-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Felipe Balbi <balbi-l0cyMroinI0@public.gmane.org>,
Andy Green <andy.green-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
keshava_mgowda-l0cyMroinI0@public.gmane.org,
USB list <linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [RFC PATCH 1/5] drivers : introduce device_path api
Date: Mon, 10 Dec 2012 16:36:02 +0200 [thread overview]
Message-ID: <20121210143601.GG11038@arwen.pp.htv.fi> (raw)
In-Reply-To: <50C5B003.9060904-l0cyMroinI0@public.gmane.org>
[-- Attachment #1: Type: text/plain, Size: 919 bytes --]
Hi,
On Mon, Dec 10, 2012 at 11:48:51AM +0200, Roger Quadros wrote:
> >>> (or in appropriate order if the above isn't)
> >>> That way insmod/rmmod'ing the USB3320C driver would power-up/down the
> >>> whole subsystem.
> >>
> >> Yes, this is where we can think of a generic PHY driver to make sure thy
> >> PHY has necessary resources enabled. In the Panda case it would be the
> >> PHY clock and RESET gpio.
> >>
> > I wonder if ehci-omap should assume, besides regulator, a clock might
> > also be need to setup for the transceiver chip.
> > Maybe "usbhs_bdata" in board-omap4panda.c should have
> > .reset_gpio_port[0] = GPIO_HUB_NRESET ?
> >
>
> Just like the regulator, reset_gpio_port has nothing to do with OMAP
> EHCI. So we would want to get rid of that too from the OMAP USB driver.
+1 to that.
That's a requirement from the LAN95xx hub controller, not OMAP EHCI ;-)
--
balbi
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next prev parent reply other threads:[~2012-12-10 14:36 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-26 12:45 [RFC PATCH 0/5] Device Paths introduced and applied to generic hub and panda Andy Green
2012-11-26 12:45 ` [RFC PATCH 1/5] drivers : introduce device_path api Andy Green
2012-11-26 19:12 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1211261348310.2168-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-11-26 23:26 ` Andy Green
[not found] ` <20121126124534.18106.44137.stgit-Ak/hGR4SqtBG2qbu2SEcwgC/G2K4zDHf@public.gmane.org>
2012-11-26 19:16 ` Greg KH
[not found] ` <20121126191612.GA11239-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2012-11-26 23:28 ` Andy Green
2012-11-26 19:22 ` Greg KH
2012-11-26 19:27 ` Greg KH
2012-11-26 21:07 ` Alan Stern
2012-11-26 22:50 ` Greg KH
[not found] ` <Pine.LNX.4.44L0.1211261555400.2168-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-11-27 0:02 ` Andy Green
[not found] ` <50B40320.2020206-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-11-27 16:37 ` Alan Stern
2012-11-27 17:44 ` Andy Green
[not found] ` <50B4FBE9.5080301-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-11-27 18:09 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1211271253230.1489-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-11-27 19:22 ` Andy Green
2012-11-27 20:10 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1211271446430.1489-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-11-28 2:30 ` Andy Green
[not found] ` <50B51313.2060003-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-11-28 11:13 ` Roger Quadros
2012-11-28 11:47 ` Andy Green
2012-11-28 12:45 ` Roger Quadros
2012-11-28 16:43 ` Alan Stern
2012-11-29 2:05 ` Ming Lei
2012-11-29 17:05 ` Alan Stern
2012-11-27 3:41 ` Ming Lei
2012-11-27 16:30 ` Alan Stern
[not found] ` <Pine.LNX.4.44L0.1211271119380.1489-100000-IYeN2dnnYyZXsRXLowluHWD2FQJk+8+b@public.gmane.org>
2012-11-27 17:02 ` Greg KH
2012-12-01 7:49 ` Jassi Brar
2012-12-01 8:37 ` Andy Green
[not found] ` <50B9C1B0.3080605-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-12-01 18:08 ` Jassi Brar
[not found] ` <CABb+yY3TC3z+jRU91KGX+FKLtJ3ZXUp55-wM_KjxiYuVZ+LL+Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-12-05 14:09 ` Roger Quadros
[not found] ` <50BF55B3.1030205-l0cyMroinI0@public.gmane.org>
2012-12-06 14:34 ` Jassi Brar
2012-12-10 9:48 ` Roger Quadros
[not found] ` <50C5B003.9060904-l0cyMroinI0@public.gmane.org>
2012-12-10 14:36 ` Felipe Balbi [this message]
2012-12-11 9:12 ` Jassi Brar
[not found] ` <CABb+yY3u2QB0JqXrznDGHXqH3crkYk54whC0GTwkBHqjdEzhbg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2012-12-11 10:01 ` Roger Quadros
[not found] ` <50C70495.40500-l0cyMroinI0@public.gmane.org>
2012-12-11 10:09 ` Felipe Balbi
2012-11-27 17:22 ` Ming Lei
2012-11-27 17:55 ` Andy Green
[not found] ` <50B4FE7D.9030505-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2012-11-27 23:06 ` Ming Lei
2012-11-28 1:16 ` Ming Lei
2012-11-26 23:47 ` Andy Green
[not found] ` <20121126123427.18106.4112.stgit-Ak/hGR4SqtBG2qbu2SEcwgC/G2K4zDHf@public.gmane.org>
2012-11-26 12:45 ` [RFC PATCH 2/5] usb: omap ehci: remove all regulator control from ehci omap Andy Green
2012-11-26 12:45 ` [RFC PATCH 3/5] usb: hub: add device_path regulator control to generic hub Andy Green
2012-11-26 19:23 ` Greg KH
2012-11-26 12:45 ` [RFC PATCH 4/5] omap4: panda: add smsc95xx regulator and reset dependent on root hub Andy Green
2012-11-26 16:20 ` Roger Quadros
2012-11-27 0:17 ` Andy Green
2012-11-26 12:45 ` [RFC PATCH 5/5] config omap2plus add ehci bits Andy Green
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