From: Roger Quadros <rogerq@ti.com>
To: Peter Chen <peter.chen@freescale.com>
Cc: Li Jun <b47624@freescale.com>, <stern@rowland.harvard.edu>,
<balbi@ti.com>, <gregkh@linuxfoundation.org>,
<dan.j.williams@intel.com>, <jun.li@freescale.com>,
<mathias.nyman@linux.intel.com>, <tony@atomide.com>,
<Joao.Pinto@synopsys.com>, <linux-usb@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-omap@vger.kernel.org>
Subject: Re: [PATCH v3 10/11] usb: otg: Add dual-role device (DRD) support
Date: Mon, 27 Jul 2015 12:31:48 +0300 [thread overview]
Message-ID: <55B5FA84.1040508@ti.com> (raw)
In-Reply-To: <20150720012308.GB4584@shlinux2>
On 20/07/15 04:23, Peter Chen wrote:
> On Fri, Jul 17, 2015 at 01:47:12PM +0300, Roger Quadros wrote:
>>>> + * DRD mode hardware Inputs
>>>> + *
>>>> + * @id: TRUE for B-device, FALSE for A-device.
>>>> + * @vbus: VBUS voltage in regulation.
>>>> + *
>>>> * OTG hardware Inputs
>>>> *
>>>> * Common inputs for A and B device
>>>> @@ -122,7 +127,8 @@ enum otg_fsm_timer {
>>>> */
>>>> struct otg_fsm {
>>>> /* Input */
>>>> - int id;
>>>> + int id; /* DRD + OTG */
>>>> + int vbus; /* DRD only */
>>>
>>> Existing b_sess_vld can be also used for drd only case, no need create
>>> a new flag.
>>
>> b_sess_vld is a bit confusing to people not familiar with OTG.
>> My suggestion is to use dedicated 'vbus' flag for DRD case
>> for simplicity.
>>
>
> Since OTG DRD is the subset in OTG FSM (FSM, data structure, APIs, etc),
> I agree with Jun to reuse existing variables, and we can add some comments
> for b_sess_vld if needed.
OK then. I'll get rid of vbus and use b_sess_vld.
cheers,
-roger
>
>
>>>
>>>> int adp_change;
>>>> int power_up;
>>>> int a_srp_det;
>>
WARNING: multiple messages have this Message-ID (diff)
From: Roger Quadros <rogerq@ti.com>
To: Peter Chen <peter.chen@freescale.com>
Cc: Li Jun <b47624@freescale.com>,
stern@rowland.harvard.edu, balbi@ti.com,
gregkh@linuxfoundation.org, dan.j.williams@intel.com,
jun.li@freescale.com, mathias.nyman@linux.intel.com,
tony@atomide.com, Joao.Pinto@synopsys.com,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-omap@vger.kernel.org
Subject: Re: [PATCH v3 10/11] usb: otg: Add dual-role device (DRD) support
Date: Mon, 27 Jul 2015 12:31:48 +0300 [thread overview]
Message-ID: <55B5FA84.1040508@ti.com> (raw)
In-Reply-To: <20150720012308.GB4584@shlinux2>
On 20/07/15 04:23, Peter Chen wrote:
> On Fri, Jul 17, 2015 at 01:47:12PM +0300, Roger Quadros wrote:
>>>> + * DRD mode hardware Inputs
>>>> + *
>>>> + * @id: TRUE for B-device, FALSE for A-device.
>>>> + * @vbus: VBUS voltage in regulation.
>>>> + *
>>>> * OTG hardware Inputs
>>>> *
>>>> * Common inputs for A and B device
>>>> @@ -122,7 +127,8 @@ enum otg_fsm_timer {
>>>> */
>>>> struct otg_fsm {
>>>> /* Input */
>>>> - int id;
>>>> + int id; /* DRD + OTG */
>>>> + int vbus; /* DRD only */
>>>
>>> Existing b_sess_vld can be also used for drd only case, no need create
>>> a new flag.
>>
>> b_sess_vld is a bit confusing to people not familiar with OTG.
>> My suggestion is to use dedicated 'vbus' flag for DRD case
>> for simplicity.
>>
>
> Since OTG DRD is the subset in OTG FSM (FSM, data structure, APIs, etc),
> I agree with Jun to reuse existing variables, and we can add some comments
> for b_sess_vld if needed.
OK then. I'll get rid of vbus and use b_sess_vld.
cheers,
-roger
>
>
>>>
>>>> int adp_change;
>>>> int power_up;
>>>> int a_srp_det;
>>
next prev parent reply other threads:[~2015-07-27 9:32 UTC|newest]
Thread overview: 109+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 10:19 [PATCH v3 00/11] USB: OTG/DRD Core functionality Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-08 10:19 ` [PATCH v3 01/11] usb: otg-fsm: Add documentation for struct otg_fsm Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-13 1:21 ` Peter Chen
2015-07-13 1:21 ` Peter Chen
2015-07-13 10:06 ` Roger Quadros
2015-07-13 10:06 ` Roger Quadros
2015-07-08 10:19 ` [PATCH v3 02/11] usb: otg-fsm: support multiple instances Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-10 8:06 ` Li Jun
2015-07-10 8:06 ` Li Jun
2015-07-13 1:39 ` Peter Chen
2015-07-13 1:39 ` Peter Chen
2015-07-17 11:17 ` Roger Quadros
2015-07-17 11:17 ` Roger Quadros
2015-07-08 10:19 ` [PATCH v3 03/11] usb: otg-fsm: Prevent build warning "VDBG" redefined Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-13 1:52 ` Peter Chen
2015-07-13 1:52 ` Peter Chen
2015-07-08 10:19 ` [PATCH v3 04/11] otg-fsm: move usb_bus_start_enum into otg-fsm->ops Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-13 1:58 ` Peter Chen
2015-07-13 1:58 ` Peter Chen
2015-07-13 10:13 ` Roger Quadros
2015-07-13 10:13 ` Roger Quadros
2015-07-14 0:34 ` Peter Chen
2015-07-14 0:34 ` Peter Chen
2015-07-15 13:30 ` Roger Quadros
2015-07-15 13:30 ` Roger Quadros
2015-07-16 0:54 ` Peter Chen
2015-07-16 0:54 ` Peter Chen
2015-07-16 10:40 ` Roger Quadros
2015-07-16 10:40 ` Roger Quadros
2015-07-17 0:28 ` Peter Chen
2015-07-17 0:28 ` Peter Chen
2015-07-08 10:19 ` [PATCH v3 05/11] usb: hcd.h: Add OTG to HCD interface Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-13 2:00 ` Peter Chen
2015-07-13 2:00 ` Peter Chen
2015-07-17 0:30 ` Peter Chen
2015-07-17 0:30 ` Peter Chen
2015-07-08 10:19 ` [PATCH v3 06/11] usb: gadget.h: Add OTG to gadget interface Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-17 0:31 ` Peter Chen
2015-07-17 0:31 ` Peter Chen
2015-07-08 10:19 ` [PATCH v3 07/11] usb: otg: add OTG core Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-13 2:14 ` Peter Chen
2015-07-13 2:14 ` Peter Chen
2015-07-13 10:20 ` Roger Quadros
2015-07-13 10:20 ` Roger Quadros
2015-08-14 9:42 ` Roger Quadros
2015-08-14 9:42 ` Roger Quadros
2015-08-14 8:43 ` Peter Chen
2015-08-14 8:43 ` Peter Chen
2015-07-17 7:48 ` Li Jun
2015-07-17 7:48 ` Li Jun
2015-07-17 12:06 ` Roger Quadros
2015-07-17 12:06 ` Roger Quadros
2015-07-20 1:45 ` Peter Chen
2015-07-20 1:45 ` Peter Chen
2015-07-21 10:52 ` Li Jun
2015-07-21 10:52 ` Li Jun
2015-07-27 10:03 ` Roger Quadros
2015-07-27 10:03 ` Roger Quadros
2015-07-08 10:19 ` [PATCH v3 08/11] usb: hcd: Adapt to " Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-08 10:19 ` [PATCH v3 09/11] usb: gadget: udc: adapt " Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-08 10:19 ` [PATCH v3 10/11] usb: otg: Add dual-role device (DRD) support Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-17 8:14 ` Li Jun
2015-07-17 8:14 ` Li Jun
2015-07-17 10:41 ` Roger Quadros
2015-07-17 10:41 ` Roger Quadros
2015-07-17 9:02 ` Li Jun
2015-07-17 9:02 ` Li Jun
2015-07-17 10:47 ` Roger Quadros
2015-07-17 10:47 ` Roger Quadros
2015-07-20 1:23 ` Peter Chen
2015-07-20 1:23 ` Peter Chen
2015-07-27 9:31 ` Roger Quadros [this message]
2015-07-27 9:31 ` Roger Quadros
2015-07-08 10:19 ` [PATCH v3 11/11] usb: otg: hub: Notify OTG fsm when A device sets b_hnp_enable Roger Quadros
2015-07-08 10:19 ` Roger Quadros
2015-07-08 10:23 ` [PATCH v3 12/12] usb: chipidea: move from CONFIG_USB_OTG_FSM to CONFIG_USB_OTG Roger Quadros
2015-07-08 10:23 ` Roger Quadros
2015-07-10 7:58 ` [PATCH v3 00/11] USB: OTG/DRD Core functionality Li Jun
2015-07-10 7:58 ` Li Jun
2015-07-13 10:24 ` Roger Quadros
2015-07-13 10:24 ` Roger Quadros
2015-07-13 13:04 ` Li Jun
2015-07-13 13:04 ` Li Jun
2015-07-15 13:07 ` Roger Quadros
2015-07-15 13:07 ` Roger Quadros
[not found] ` <1436350777-28056-1-git-send-email-rogerq-l0cyMroinI0@public.gmane.org>
2015-07-13 19:14 ` Andrew Bresticker
2015-07-13 19:14 ` Andrew Bresticker
2015-07-14 0:59 ` Peter Chen
2015-07-14 0:59 ` Peter Chen
2015-07-14 18:18 ` Andrew Bresticker
2015-07-15 2:13 ` Peter Chen
2015-07-15 2:13 ` Peter Chen
2015-07-15 13:26 ` Roger Quadros
2015-07-15 13:26 ` Roger Quadros
[not found] ` <55A65F98.203-l0cyMroinI0@public.gmane.org>
2015-07-16 18:29 ` Andrew Bresticker
2015-07-16 18:29 ` Andrew Bresticker
2015-07-17 10:34 ` Roger Quadros
2015-07-17 10:34 ` Roger Quadros
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