linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Bin Liu <binmlist@gmail.com>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
	balbi@ti.com, george.cherian@ti.com
Subject: Re: [PATCH 14/16] usb: musb: dsps: add MUSB_DEVCTL_SESSION back after removal
Date: Fri, 26 Jul 2013 17:44:50 +0200	[thread overview]
Message-ID: <20130726154450.GA29819@linutronix.de> (raw)
In-Reply-To: <CADYTM3ZfvDDKY6NyAv9xGSZ0angGYVOGf8uUDR2vU1jDwCGmzA@mail.gmail.com>

* Bin Liu | 2013-07-23 13:55:27 [-0500]:

>Hi Sebastian,
Hi Bin,

>> In my testing the bit remains set. How is the bit supposed to come back
>> after I connect a host device?
>The bit remains even when no device is plugged and ID ping is float?
After I set it, it remains set yes.

>what platform do you use to test it?
AM335x evm

>'a host device'? you meant a usb device? By the otg specs, the session
>will not automatically start. The user/app has to issue the command,
>either by SRP or HNP, or something else. In TI 3.2 kernel, there is
>workaround in otg_timer() to _toggle_ the SESSION bit to detect if ID
>pin is grounded, which means a USB device is connected.

I see. Let me check that TI kernel. The same thing happens however if
the musb is configured as host (not OTG). 

>Regards,
>-Bin.

Sebastian

  reply	other threads:[~2013-07-26 15:44 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-07-22 18:09 am33x: multiple instances and dma support, v2 Sebastian Andrzej Siewior
2013-07-22 18:09 ` [PATCH 01/16] usb: musb: dsps: init / shutdown the phy Sebastian Andrzej Siewior
2013-07-25 14:32   ` Felipe Balbi
2013-07-22 18:09 ` [PATCH 02/16] usb: phy: phy-nop: add support for am335x PHY Sebastian Andrzej Siewior
2013-07-25 14:33   ` Felipe Balbi
2013-07-25 14:45     ` Sebastian Andrzej Siewior
2013-07-25 14:54       ` Felipe Balbi
2013-07-22 18:09 ` [PATCH 03/16] usb: musb: dsps: remove the hardcoded phy pieces Sebastian Andrzej Siewior
2013-07-22 18:09 ` [PATCH 04/16] usb: musb: remove ti81xx pieces from musb Sebastian Andrzej Siewior
2013-07-22 18:09 ` [PATCH 05/16] usb: musb: dsps: use proper child nodes Sebastian Andrzej Siewior
2013-07-23  6:46   ` George Cherian
2013-07-23  9:15     ` Sebastian Andrzej Siewior
2013-07-22 18:09 ` [PATCH 06/16] usb: musb: dsps: rename ti81xx_driver_data to am33xx_driver_data Sebastian Andrzej Siewior
2013-07-23  6:04   ` George Cherian
2013-07-23  9:09     ` Sebastian Andrzej Siewior
2013-07-23  9:14       ` George Cherian
     [not found]   ` <CADYTM3avh7GFTDQW01FnojKZkmL0_hi+=K-VVwCw5peJL2hwTA@mail.gmail.com>
2013-07-23 19:09     ` Bin Liu
2013-07-25 14:41     ` Sebastian Andrzej Siewior
2013-07-25 15:12       ` Bin Liu
2013-07-25 15:16         ` Sebastian Andrzej Siewior
2013-07-25 15:28           ` Bin Liu
2013-07-25 16:11             ` Felipe Balbi
2013-07-26  9:11               ` [PATCH 06/16 => 1/2] " Sebastian Andrzej Siewior
2013-07-26  9:11                 ` [PATCH 06/16 => 2/2] usb: musb: dsps: remove EOI access Sebastian Andrzej Siewior
2013-07-25 15:37           ` [PATCH 06/16] usb: musb: dsps: rename ti81xx_driver_data to am33xx_driver_data Felipe Balbi
2013-07-22 18:09 ` [PATCH 07/16] usb: musb: replace ifndef with ifdef for CONFIG_MUSB_PIO_ONLY Sebastian Andrzej Siewior
2013-07-22 18:09 ` [PATCH 08/16] usb: musb: dma: merge ->start/stop into create/destroy Sebastian Andrzej Siewior
2013-07-22 18:10 ` [PATCH 09/16] usb: musb: provide empty dma_controller_create() in PIO mode Sebastian Andrzej Siewior
2013-07-22 18:10 ` [PATCH 10/16] usb: musb: remove a few is_dma_capable() in init/exit code Sebastian Andrzej Siewior
2013-07-22 18:10 ` [PATCH 11/16] usb: musb: core: call dma_controller_destroy() in the err path Sebastian Andrzej Siewior
2013-07-22 18:10 ` [PATCH 12/16] usb: musb: unmap reqs in musb_gadget_queue()'s error case Sebastian Andrzej Siewior
2013-07-22 18:10 ` [PATCH 13/16] usb: musb: do not change dev's dma_mask Sebastian Andrzej Siewior
2013-07-22 18:10 ` [PATCH 14/16] usb: musb: dsps: add MUSB_DEVCTL_SESSION back after removal Sebastian Andrzej Siewior
     [not found]   ` <CADYTM3a5xzs+-VCTeKLGiRjo7JOqOJ5H4EWDACpTMovY5_ooRA@mail.gmail.com>
2013-07-23 17:31     ` Sebastian Andrzej Siewior
2013-07-23 18:55       ` Bin Liu
2013-07-26 15:44         ` Sebastian Andrzej Siewior [this message]
2013-07-26 16:31         ` Sebastian Andrzej Siewior
2013-07-26 17:53           ` Bin Liu
2013-07-26 18:17             ` Bin Liu
2013-07-26 18:22               ` Sebastian Andrzej Siewior
2013-07-26 18:29                 ` Bin Liu
2013-07-26 19:55                   ` Sebastian Andrzej Siewior
2013-07-26 20:15                     ` Bin Liu
2013-07-26 20:35                       ` Sebastian Andrzej Siewior
2013-07-27  3:07                         ` Bin Liu
2013-07-29 16:53                           ` Sebastian Andrzej Siewior
2013-07-29 17:26                             ` Bin Liu
2013-07-29 17:51                               ` Sebastian Andrzej Siewior
2013-07-29 18:41                                 ` Bin Liu
2013-08-09 16:03                                   ` [PATCH] usb: musb: am335x: Do not remove the session bin HOST-only mode Sebastian Andrzej Siewior
2013-08-09 20:30                                     ` Sergei Shtylyov
2013-08-13  7:14                                       ` Sebastian Andrzej Siewior
2013-08-13 13:03                                         ` Bin Liu
2013-08-13 13:17                                           ` Sebastian Andrzej Siewior
2013-08-13 13:33                                             ` Bin Liu
2013-08-13 13:44                                               ` Sebastian Andrzej Siewior
2013-08-13 14:01                                                 ` Bin Liu
2013-08-13 14:23                                                   ` Sebastian Andrzej Siewior
2013-08-13 14:32                                                     ` Bin Liu
2013-08-14 18:17                                                       ` Sebastian Andrzej Siewior
2013-08-14 18:43                                                         ` Bin Liu
2013-07-22 18:10 ` [PATCH 15/16] dmaengine: add transfered member to dma_async_tx_descriptor Sebastian Andrzej Siewior
2013-07-22 18:52   ` Sergei Shtylyov
2013-07-23 17:12     ` Sebastian Andrzej Siewior
2013-07-25 14:57   ` Lars-Peter Clausen
2013-07-25 15:12     ` Sebastian Andrzej Siewior
2013-07-25 15:32       ` Lars-Peter Clausen
2013-07-26  9:30         ` Sebastian Andrzej Siewior
2013-07-29 11:39   ` Vinod Koul
2013-07-29 12:33     ` Sebastian Andrzej Siewior
2013-07-22 18:10 ` [PATCH 16/16] usb/musb dma: add cppi41 dma driver Sebastian Andrzej Siewior

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20130726154450.GA29819@linutronix.de \
    --to=bigeasy@linutronix.de \
    --cc=balbi@ti.com \
    --cc=binmlist@gmail.com \
    --cc=george.cherian@ti.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).