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 Monday 29 July 2013 11:24 PM, Felipe Balbi wrote:
> Hi,
>
> 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.

Thanks
Kishon
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2013-07-30 07:41    [W:0.044 / U:1.724 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site