lkml.org 
[lkml]   [2013]   [Jul]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 2/2] arm: omap: remove *.auto* from device names given in usb_bind_phy
Hi,

On Tue, Jul 30, 2013 at 10:44:48AM +0530, Kishon Vijay Abraham I wrote:
> > On Mon, Jul 29, 2013 at 08:59:26PM +0530, Kishon Vijay Abraham I wrote:
> >>>> Previously MUSB wrapper (OMAP) device used PLATFORM_DEVID_AUTO while creating
> >>>> MUSB core device. So in usb_bind_phy (binds the controller with the PHY), the
> >>>> device name of the controller had *.auto* in it. Since with using
> >>>> PLATFORM_DEVID_AUTO, there is no way to know the exact device name in advance,
> >>>> the data given in usb_bind_phy became obsolete and usb_get_phy was failing.
> >>>> So MUSB wrapper was modified not to use PLATFORM_DEVID_AUTO. Corresponding
> >>>> change is done in board file here.
> >>>>
> >>>> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
> >>>> ---
> >>>> arch/arm/mach-omap2/board-2430sdp.c | 2 +-
> >>>> arch/arm/mach-omap2/board-3430sdp.c | 2 +-
> >>>> arch/arm/mach-omap2/board-cm-t35.c | 2 +-
> >>>> arch/arm/mach-omap2/board-devkit8000.c | 2 +-
> >>>> arch/arm/mach-omap2/board-igep0020.c | 2 +-
> >>>> arch/arm/mach-omap2/board-ldp.c | 2 +-
> >>>> arch/arm/mach-omap2/board-omap3beagle.c | 2 +-
> >>>> arch/arm/mach-omap2/board-omap3evm.c | 2 +-
> >>>> arch/arm/mach-omap2/board-omap3logic.c | 2 +-
> >>>> arch/arm/mach-omap2/board-omap3pandora.c | 2 +-
> >>>> arch/arm/mach-omap2/board-omap3stalker.c | 2 +-
> >>>> arch/arm/mach-omap2/board-omap3touchbook.c | 2 +-
> >>>> arch/arm/mach-omap2/board-overo.c | 2 +-
> >>>> arch/arm/mach-omap2/board-rm680.c | 2 +-
> >>>> arch/arm/mach-omap2/board-rx51.c | 2 +-
> >>>> arch/arm/mach-omap2/board-zoom-peripherals.c | 2 +-
> >>>> 16 files changed, 16 insertions(+), 16 deletions(-)
> >>>>
> >>>> diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
> >>>> index 244d8a5..17bb076 100644
> >>>> --- a/arch/arm/mach-omap2/board-2430sdp.c
> >>>> +++ b/arch/arm/mach-omap2/board-2430sdp.c
> >>>> @@ -233,7 +233,7 @@ static void __init omap_2430sdp_init(void)
> >>>> omap_hsmmc_init(mmc);
> >>>>
> >>>> omap_mux_init_signal("usb0hs_stp", OMAP_PULL_ENA | OMAP_PULL_UP);
> >>>> - usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
> >>>> + usb_bind_phy("musb-hdrc.0", 0, "twl4030_usb");
> >>>
> >>> how about moving usb_bind_phy() calls to omap2430.c ?
> >>>
> >>> diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
> >>> index f44e8b5..b6abc1a 100644
> >>> --- a/drivers/usb/musb/omap2430.c
> >>> +++ b/drivers/usb/musb/omap2430.c
> >>> @@ -544,6 +544,9 @@ static int omap2430_probe(struct platform_device *pdev)
> >>>
> >>> pdata->board_data = data;
> >>> pdata->config = config;
> >>> + } else {
> >>> + /* bind the PHY */
> >>> + usb_bind_phy(dev_name(&musb->dev), 0, "twl4030_usb");
> >>
> >> This looks like a hack IMHO to workaround the usb phy library. otherwise it is
> >> similar to get_phy_by_name.
> >
> > actually, this is a workaround to the fact that we're not creating all
> > platform_devices in arch/arm/mach-omap2/ :-)
> >
> > If we had the musb allocation there, we could easily handle
> > usb_bind_phy()
> >
> >>> so that's temporary. It might be better than to reintroduce the IDR in
> >>> musb_core.c.
> >>
> >> that’s needed for generic phy framework anyway :-s
> >
> > right, but generic phy framework can handle everything just fine, the
> > only problem is that names are changing.
>
> right. But if the names change, PHY framework wouldn't be able to return the
> reference to the PHY.

with my suggestion they can change whenever they want since we're using
dev_name() of the just-created musb platform_device. Right ?

--
balbi
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2013-07-30 08:41    [W:0.073 / U:0.048 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site