From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] usb: hub: Increase the query delay
Date: Wed, 04 May 2016 23:38:44 +0200 [thread overview]
Message-ID: <572A6BE4.7070008@denx.de> (raw)
In-Reply-To: <572A6AFE.1020206@wwwdotorg.org>
On 05/04/2016 11:34 PM, Stephen Warren wrote:
> On 05/04/2016 03:32 PM, Marek Vasut wrote:
>> Increase the query delay, otherwise some sticks are not detected.
>> The problem shows up on the USB bus analyzer such that the stick
>> takes longer time to switch from FS mode to HS mode than the code
>> allows when the controller starts from completely off state.
>
> Acked-by: Stephen Warren <swarren@nvidia.com>
>
> (I suspect this is more to do with the board than the USB controller,
> since the board controls the VBUS power. However, if this works, it's
> probably fine for now.)
For now, maybe, but I am extremely unhappy to have this hack in the
common code.
--
Best regards,
Marek Vasut
next prev parent reply other threads:[~2016-05-04 21:38 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-03 20:51 [U-Boot] [PATCH 1/7] usb: Don't init pointer to zero, but NULL Marek Vasut
2016-05-03 20:51 ` [U-Boot] [PATCH 2/7] usb: dwc2: Resend setup packet in all fail cases Marek Vasut
2016-05-04 9:36 ` Chin Liang See
2016-05-03 20:51 ` [U-Boot] [PATCH 3/7] usb: dwc2: Throttle the setup packet resending Marek Vasut
2016-05-04 9:37 ` Chin Liang See
2016-05-04 17:08 ` Stephen Warren
2016-05-04 21:21 ` Marek Vasut
2016-05-06 18:04 ` Marek Vasut
2016-05-03 20:51 ` [U-Boot] [PATCH 4/7] usb: Wait after sending Set Configuration request Marek Vasut
2016-05-04 7:41 ` Stefan Roese
2016-05-04 9:45 ` Chin Liang See
2016-05-04 10:00 ` Stefan Roese
2016-05-04 10:24 ` Chin Liang See
2016-05-05 4:14 ` Sriram Dash
2016-05-04 10:21 ` Marek Vasut
2016-05-03 20:51 ` [U-Boot] [PATCH 5/7] usb: Assure Get Descriptor request is in separate microframe Marek Vasut
2016-05-04 8:03 ` Stefan Roese
2016-05-04 10:25 ` Marek Vasut
2016-05-04 17:10 ` Stephen Warren
2016-05-03 20:51 ` [U-Boot] [PATCH 6/7] usb: hub: Don't continue on get_port_status failure Marek Vasut
2016-05-04 8:05 ` Stefan Roese
2016-05-04 9:38 ` Chin Liang See
2016-05-03 20:51 ` [U-Boot] [PATCH 7/7] usb: hub: Increase the query delay Marek Vasut
2016-05-04 8:07 ` Stefan Roese
2016-05-04 11:39 ` Marek Vasut
2016-05-04 16:27 ` Stefan Roese
2016-05-04 17:11 ` Stephen Warren
2016-05-04 21:32 ` [U-Boot] [PATCH] " Marek Vasut
2016-05-04 21:34 ` Stephen Warren
2016-05-04 21:38 ` Marek Vasut [this message]
2016-05-04 7:36 ` [U-Boot] [PATCH 1/7] usb: Don't init pointer to zero, but NULL Stefan Roese
2016-05-04 9:35 ` Chin Liang See
2016-05-06 16:36 ` Marek Vasut
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