From: Pawel Laszczak <pawell@cadence.com>
To: Felipe Balbi <felipe.balbi@linux.intel.com>
Cc: "gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"rogerq@ti.com" <rogerq@ti.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"jbergsagel@ti.com" <jbergsagel@ti.com>,
"nsekhar@ti.com" <nsekhar@ti.com>, "nm@ti.com" <nm@ti.com>,
Suresh Punnoose <sureshp@cadence.com>,
Jayshri Dajiram Pawar <jpawar@cadence.com>,
Rahul Kumar <kurahul@cadence.com>,
Anil Joy Varughese <aniljoy@cadence.com>
Subject: RE: [PATCH 1/3] usb: common: Add usb_get_dr_mode_from_string and usb_dr_mode_to_string.
Date: Wed, 31 Jul 2019 03:49:39 +0000 [thread overview]
Message-ID: <BYAPR07MB4709BC53081D0493198FB7A6DDDF0@BYAPR07MB4709.namprd07.prod.outlook.com> (raw)
In-Reply-To: <BYAPR07MB470944CE1294AC9E5878792CDDC50@BYAPR07MB4709.namprd07.prod.outlook.com>
Hi Felipe,
What about this patch. I just noticed that prefix is incorrect "1/3". Can it stay or should I send it again ?
Cheers,
Pawel
>>>Pawel Laszczak <pawell@cadence.com> writes:
>>>>>> diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
>>>>>> index 69f1b6328532..c156817672c4 100644
>>>>>> --- a/include/linux/usb/otg.h
>>>>>> +++ b/include/linux/usb/otg.h
>>>>>> @@ -129,4 +129,20 @@ enum usb_dr_mode {
>>>>>> */
>>>>>> extern enum usb_dr_mode usb_get_dr_mode(struct device *dev);
>>>>>>
>>>>>> +/**
>>>>>> + * usb_get_dr_mode_from_string - Convert string to dual role mode.
>>>>>> + * @str: Pointer to the given string
>>>>>> + *
>>>>>> + * The function gets string and returns the correspondig enum usb_dr_mode.
>>>>>> + */
>>>>>> +extern enum usb_dr_mode usb_get_dr_mode_from_string(const char *str);
>>>>>> +
>>>>>> +/**
>>>>>> + * usb_dr_mode_to_string - Convert dual role mode to string.
>>>>>> + * @dr_mode: Pointer to the given dual role mode
>>>>>> + *
>>>>>> + * The function gets enum usb_dr_mode, and returns the correspondig string.
>>>>>> + */
>>>>>> +extern const char *usb_dr_mode_to_string(const enum usb_dr_mode dr_mode);
>>>>>> +
>>>>>> #endif /* __LINUX_USB_OTG_H */
>>>>>
>>>>>Still missing the stubs I mentioned. Did you try compiling with and
>>>>>without common enabled?
>>>>>
>>>> Sorry, I thought that I send answer yesterday but it's look like I prepared the answer but
>>>> I forgot to send.
>>>>
>>>> In /drivers/usb/Kconfig we have:
>>>>
>>>> config USB
>>>> tristate "Support for Host-side USB"
>>>> depends on USB_ARCH_HAS_HCD
>>>> select USB_COMMON
>>>>
>>>> and in /drivers/usb/gadget/Kconfig we have:
>>>>
>>>> menuconfig USB_GADGET
>>>> tristate "USB Gadget Support"
>>>> select USB_COMMON
>>>>
>>>> I think that it should cover all cases.
>>>>
>>>> Am I right ?
>>>
>>>Run a few tens of randconfig builds and see if you ever catch any
>>>problem. I think randconfig can produce a defconfig where USB=n
>>>USB_GADGET=n and USB_COMMON=y.
>>
>>Ok, I will test it, but I think that it should work.
>>The same situation we have for example with: usb_otg_state_string or usb_ep_type_string.
>>
>
>I've been testing it with USB=n USB_GADGET=n and USB_COMMON=y and also only with CONFIG_USB_COMMON=y.
>Also I've tested this patch with different default configuration together with CDNS3 driver which use these functions.
>I've test It mainly with x86 and arm architecture.
>So far I've not found any issue.
>
prev parent reply other threads:[~2019-07-31 3:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <all>
2019-07-08 13:35 ` [PATCH 1/3] usb: common: Add usb_get_dr_mode_from_string and usb_dr_mode_to_string Pawel Laszczak
2019-07-09 6:11 ` Felipe Balbi
2019-07-09 6:23 ` Pawel Laszczak
2019-07-09 6:29 ` Felipe Balbi
2019-07-09 6:37 ` Pawel Laszczak
2019-07-21 14:54 ` Pawel Laszczak
2019-07-31 3:49 ` Pawel Laszczak [this message]
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