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Content preview: On 1/2/19 3:21 PM, Marek Vasut wrote: > On 1/2/19 12:29 PM,
Heinrich Schuchardt wrote: >> If multiple USB buses exist, the output of
the commands 'usb tree' and 'usb >> info' is confusing because it is not clear
where the output for a new bus >> starts. >> >> Print an additional line
for each bus indicating the bus number, e.g. >> >> => usb tree >> USB device
tree: >> USB bus 0 >> 1 Hub (5 Gb/s, 0mA) >> U-Boot XHCI Host Controller
>> >> USB bus 1 >> 1 Hub (5 Gb/s, 0mA) >> U-Boot XHCI Host Controller >> >>
Signed-off-by: Heinrich Schuchardt >> --- >> cmd/usb.c | 1 + >> 1 file
changed,
1 insertion(+) >> >> diff --git a/cmd/usb.c b/cmd/usb.c >> index
0ccb1b5148..6da945c376
100644 >> --- a/cmd/usb.c >> +++ b/cmd/usb.c >> @@ -470,6 +470,7 @@ static
void usb_for_each_root_dev(usb_dev_func_t func) >> if (!device_active(bus))
>> continue; >> >> + printf("USB bus %d\n", bus->seq); > > Isn't this only
valid if you use SEQ_ALIAS ? [...]
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--- Begin Message ---
On 1/2/19 3:21 PM, Marek Vasut wrote:
> On 1/2/19 12:29 PM, Heinrich Schuchardt wrote:
>> If multiple USB buses exist, the output of the commands 'usb tree' and 'usb
>> info' is confusing because it is not clear where the output for a new bus
>> starts.
>>
>> Print an additional line for each bus indicating the bus number, e.g.
>>
>> => usb tree
>> USB device tree:
>> USB bus 0
>> 1 Hub (5 Gb/s, 0mA)
>> U-Boot XHCI Host Controller
>>
>> USB bus 1
>> 1 Hub (5 Gb/s, 0mA)
>> U-Boot XHCI Host Controller
>>
>> Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
>> ---
>> cmd/usb.c | 1 +
>> 1 file changed, 1 insertion(+)
>>
>> diff --git a/cmd/usb.c b/cmd/usb.c
>> index 0ccb1b5148..6da945c376 100644
>> --- a/cmd/usb.c
>> +++ b/cmd/usb.c
>> @@ -470,6 +470,7 @@ static void usb_for_each_root_dev(usb_dev_func_t func)
>> if (!device_active(bus))
>> continue;
>>
>> + printf("USB bus %d\n", bus->seq);
>
> Isn't this only valid if you use SEQ_ALIAS ?
Kconfig symbol SEQ_ALIAS does not exist. I assume you mean DM_SEQ_ALIAS.
In device_probe() seq is set unconditionally
(drivers/core/device.c:306).
CONFIG_DM_SEQ_ALIAS=y allows to influence the value of seq via the
device tree.
Best regards
Heinrich
>
>> device_find_first_child(bus, &dev);
>> if (dev && device_active(dev)) {
>> udev = dev_get_parent_priv(dev);
>>
>
>
--- End Message ---
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