From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 07/16] usb: hub: Translate USB 3.0 hub port status into old version
Date: Mon, 26 Jun 2017 20:06:24 +0200 [thread overview]
Message-ID: <8486f7fe-b720-3dd7-cfb9-49ef12e913a3@denx.de> (raw)
In-Reply-To: <CAEUhbmXeGY=aEfz_E60EO+VCo=OwodTS7wLOTa=L3DsKGQ7zjQ@mail.gmail.com>
On 06/24/2017 03:53 AM, Bin Meng wrote:
> Hi Marek,
>
> On Sat, Jun 24, 2017 at 1:59 AM, Marek Vasut <marex@denx.de> wrote:
>> On 06/23/2017 11:54 AM, Bin Meng wrote:
>>> USB 3.0 hub port status field has different bit positions from 2.0
>>> hubs. Since U-Boot only understands the old version, translate the
>>> new one into the old one.
>>
>> This is quite hairy. I'd rather see some protocol version agnostic flag
>> field rather than patching the wPortStatus and co.
>>
>
> I am not sure how do do that in a clean way. If we return the raw 3.0
> hub port status data, that means we need change lot of hub codes here
> and there to do different parsing.
How does Linux handle this?
--
Best regards,
Marek Vasut
next prev parent reply other threads:[~2017-06-26 18:06 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-23 9:54 [U-Boot] [PATCH 00/16] usb: hub: Support USB 3.0 hubs Bin Meng
2017-06-23 9:54 ` [U-Boot] [PATCH 01/16] usb: xhci-pci: Drop non-DM version of xhci-pci driver Bin Meng
2017-06-23 17:51 ` Marek Vasut
2017-07-06 4:49 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 02/16] usb: xhci-pci: Clean up the driver a little bit Bin Meng
2017-06-23 17:52 ` Marek Vasut
2017-07-06 4:49 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 03/16] usb: Remove unnecessary work in usb_setup_descriptor() Bin Meng
2017-06-30 3:49 ` Bin Meng
2017-06-30 6:15 ` Lothar Waßmann
2017-06-30 6:19 ` Bin Meng
2017-07-01 17:29 ` stefan.bruens at rwth-aachen.de
2017-07-03 1:20 ` Bin Meng
2017-06-23 9:54 ` [U-Boot] [PATCH 04/16] usb: hub: Use 'struct usb_hub_device' as hub device's uclass_priv Bin Meng
2017-06-23 17:54 ` Marek Vasut
2017-07-06 4:49 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 05/16] usb: hub: Add a new API to test if a hub device is root hub Bin Meng
2017-06-23 17:55 ` Marek Vasut
2017-06-28 8:27 ` Bin Meng
2017-06-23 17:57 ` Marek Vasut
2017-06-24 1:41 ` Bin Meng
2017-06-26 18:05 ` Marek Vasut
2017-06-23 9:54 ` [U-Boot] [PATCH 06/16] usb: xhci: Change to use usb_hub_is_root_hub() API Bin Meng
2017-07-06 4:49 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 07/16] usb: hub: Translate USB 3.0 hub port status into old version Bin Meng
2017-06-23 17:59 ` Marek Vasut
2017-06-24 1:53 ` Bin Meng
2017-06-26 18:06 ` Marek Vasut [this message]
2017-06-26 23:57 ` Bin Meng
2017-06-28 8:28 ` Bin Meng
2017-06-28 17:25 ` Marek Vasut
2017-07-06 5:56 ` Bin Meng
2017-07-07 3:57 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 08/16] usb: hub: Support 'set hub depth' request for USB 3.0 hubs Bin Meng
2017-07-06 4:49 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 09/16] usb: xhci: Change xhci_setup_addressable_virt_dev() signature Bin Meng
2017-07-06 4:49 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 10/16] usb: xhci: Program 'route string' in the input slot context Bin Meng
2017-06-23 18:02 ` Marek Vasut
2017-06-24 1:57 ` Bin Meng
2017-06-26 18:07 ` Marek Vasut
2017-06-27 0:01 ` Bin Meng
2017-06-27 5:23 ` Stefan Roese
2017-06-27 8:27 ` Bin Meng
2017-06-27 8:39 ` Marek Vasut
2017-06-28 11:28 ` Stefan Roese
2017-06-28 12:27 ` Bin Meng
2017-06-28 23:00 ` Bin Meng
2017-06-29 5:29 ` Stefan Roese
2017-06-29 5:42 ` Bin Meng
2017-06-29 5:46 ` Stefan Roese
2017-06-27 9:31 ` Marek Vasut
2017-06-27 23:22 ` Bin Meng
2017-07-07 3:57 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 11/16] usb: hub: Parse and save TT details from device descriptor Bin Meng
2017-07-06 4:49 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 12/16] dm: usb: Add a new USB controller operation 'update_hub_device' Bin Meng
2017-07-06 4:49 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 13/16] usb: hub: Call usb_update_hub_device() after hub descriptor is fetched Bin Meng
2017-07-06 4:49 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 14/16] usb: xhci: Implement update_hub_device() operation Bin Meng
2017-07-06 4:50 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 15/16] usb: xhci: Correct TT_SLOT and TT_PORT macros Bin Meng
2017-07-06 4:50 ` Simon Glass
2017-06-23 9:54 ` [U-Boot] [PATCH 16/16] usb: xhci: Enable TT to support LS/FS devices behind a HS hub Bin Meng
2017-07-06 4:50 ` Simon Glass
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