On 12/18/19 4:27 AM, Yinbo Zhu wrote:
Hi,
[...]
>>> diff --git a/common/usb_hub.c b/common/usb_hub.c index
>>> 33aaeb8e44..6dd06696b2 100644
>>> --- a/common/usb_hub.c
>>> +++ b/common/usb_hub.c
>>> @@ -486,6 +486,9 @@ static int usb_scan_port(struct usb_device_scan
>>> *usb_scan)
>>>
-Original Message-
From: Marek Vasut
Sent: 2019年12月16日 16:33
To: Bin Meng ; Yinbo Zhu
Cc: U-Boot Mailing List ; Peter Chen
; Xiaobo Xie ; Joe Hershberger
; Jiafei Pan ; Ran Wang
; Jun Li
Subject: [EXT] Re: [PATCH v1] T1024RDB: USB: Add a 10808 us delay in
usb_scan_port
Caution
On 12/16/19 4:17 AM, Bin Meng wrote:
> +Marek,
>
> On Mon, Dec 16, 2019 at 11:13 AM Yinbo Zhu wrote:
>>
>> T1024RDB usb controller doesn't detect usb device at first usb start
>> Add a delay that is greater than 10808 us can fix that issue, which
>> delay if is less than 10808 us, issue is probab
+Marek,
On Mon, Dec 16, 2019 at 11:13 AM Yinbo Zhu wrote:
>
> T1024RDB usb controller doesn't detect usb device at first usb start
> Add a delay that is greater than 10808 us can fix that issue, which
> delay if is less than 10808 us, issue is probabilistic occurrence
>
> => usb start
> starting
T1024RDB usb controller doesn't detect usb device at first usb start
Add a delay that is greater than 10808 us can fix that issue, which
delay if is less than 10808 us, issue is probabilistic occurrence
=> usb start
starting USB...
USB0: USB EHCI 1.00
USB1: USB EHCI 1.00
scanning bus 0 for dev
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