linux-kernel - Re: [PATCH 1/4] arm: omap: Add phy binding info for musb in plat data

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Message-ID: <51D56631.2010901@ti.com>
Date:	Thu, 4 Jul 2013 17:40:25 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Tony Lindgren <tony@...mide.com>
CC:	<linux-arm-kernel@...ts.infradead.org>,
	<linux-omap@...r.kernel.org>, <linux-usb@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux@....linux.org.uk>,
	<eballetbo@...il.com>, <javier@...hile0.org>,
	<gregkh@...uxfoundation.org>, <balbi@...com>
Subject: Re: [PATCH 1/4] arm: omap: Add phy binding info for musb in plat
 data

Hi,

On Thursday 04 July 2013 05:14 PM, Tony Lindgren wrote:
> * Kishon Vijay Abraham I <kishon@...com> [130619 01:58]:
>> In order for controllers to get PHY in case of non dt boot, the phy
>> binding information (phy label) should be added in the platform
>> data of the controller.
>>
>> Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
>> Acked-by: Felipe Balbi <balbi@...com>
>> Tested-by: Tomi Valkeinen <tomi.valkeinen@...com>
>> ---
>>   arch/arm/mach-omap2/usb-musb.c |    6 +++++-
>>   include/linux/usb/musb.h       |    3 +++
>>   2 files changed, 8 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/mach-omap2/usb-musb.c b/arch/arm/mach-omap2/usb-musb.c
>> index 3242a55..5ddbe39 100644
>> --- a/arch/arm/mach-omap2/usb-musb.c
>> +++ b/arch/arm/mach-omap2/usb-musb.c
>> @@ -85,8 +85,12 @@ void __init usb_musb_init(struct omap_musb_board_data *musb_board_data)
>>   	musb_plat.mode = board_data->mode;
>>   	musb_plat.extvbus = board_data->extvbus;
>>
>> -	if (cpu_is_omap44xx())
>> +	if (cpu_is_omap44xx()) {
>>   		musb_plat.has_mailbox = true;
>> +		musb_plat.phy_name = "omap-usb2";
>> +	} else if (cpu_is_omap34xx()) {
>> +		musb_plat.phy_name = "twl4030";
>> +	}
>>
>>   	if (soc_is_am35xx()) {
>>   		oh_name = "am35x_otg_hs";
>
> Care to refresh this patch against the current mainline tree?

I'll do that on monday as I'm not in office and I dont have any boards
to test at my disposal now.
> Now omap4 is DT only, so this part won't apply. Mostly I'm wondering
> what the phy_name should be for am35xx that's not covered by this
> patch.

am35xx doesn't have a separate PHY driver yet (I guess the programming
is done in the controller code now). So this binding is not needed for
am35xx.
>
> Also let me know if the last patch is safe to queue alone as a fix
> or if it depends on the driver related changes in this series.

No. The last patch is kind-of cleanup needed after applying the first
3 patches. It's better it's applied along with the other patches.

Thanks
Kishon
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