I've tested gadget mode on DM365 without HW changes.
On Thu, Oct 11, 2012 at 10:50 AM, Sekhar Nori <nsekhar@xxxxxx> wrote:
> On 10/11/2012 12:05 PM, Heiko Schocher wrote:
>> Hello Manjunathappa
>>
>> On 11.10.2012 07:42, Manjunathappa, Prakash wrote:
>>> Hi,
>>> On Mon, Oct 08, 2012 at 18:47:07, Constantine Shulyupin wrote:
>>>> From: Constantine Shulyupin<const@xxxxxxxxxxxxx>
>>>>
>>>> Remove USB configuration in arch/arm/mach-davinci/usb.c accordingly
>>>> CONFIG_USB_MUSB_OTG CONFIG_USB_MUSB_PERIPHERAL CONFIG_USB_MUSB_HOST
>>>> and set MUSB_OTG configuration by default
>>>> because this configuration options are removed from Kconfig.
>>>>
>>>> Signed-off-by: Constantine Shulyupin<const@xxxxxxxxxxxxx>
>>>>
>>>> ---
>>>> arch/arm/mach-davinci/usb.c | 6 ------
>>>> 1 file changed, 6 deletions(-)
>>>>
>>>> diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c
>>>> index f77b953..34509ff 100644
>>>> --- a/arch/arm/mach-davinci/usb.c
>>>> +++ b/arch/arm/mach-davinci/usb.c
>>>> @@ -42,14 +42,8 @@ static struct musb_hdrc_config musb_config = {
>>>> };
>>>>
>>>> static struct musb_hdrc_platform_data usb_data = {
>>>> -#if defined(CONFIG_USB_MUSB_OTG)
>>>> /* OTG requires a Mini-AB connector */
>>>> .mode = MUSB_OTG,
>>>> -#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
>>>> - .mode = MUSB_PERIPHERAL,
>>>> -#elif defined(CONFIG_USB_MUSB_HOST)
>>>> - .mode = MUSB_HOST,
>>>> -#endif
>>>> .clock = "usb",
>>>> .config =&musb_config,
>>>> };
>>>
>>> Tested it on DM6446-EVM for host mode with MSC thumb drive and gadget
>>> mode with g-ether. It works.
>>>
>>> Acked-by: Manjunathappa, Prakash<prakash.pm@xxxxxx>
>>
>> I sent a similiar patch here:
>>
>> http://comments.gmane.org/gmane.linux.usb.general/54512
>>
>> If the issues, mentioned from Sergei for my patch, nullified I add my:
>
> The last outstanding issue from Sergei seems to be additional comments
> describing why MUSB_OTG is OK to use.
>
> Prakash/Constantine,
>
> Did you have to make any hardware changes when testing host/gadget on
> DM6446 EVM? Or change in kernel configuration?
>
> It appears that there is no way to choose any of the config option
> affecting the mode setting. Right now it seems to be just defaulting to
> MUSB_UNDEFINED. Setting it to MUSB_OTG would be better than that.
>
> Thanks,
> Sekhar
--
Constantine Shulyupin
http://www.MakeLinux.com/
Embedded Linux Systems,
Device Drivers, TI DaVinci
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