[PATCH v2] drivers/coresight: ultrasoc: Add System Memory Buffer driver

liuqi (BA) liuqi115 at huawei.com
Sat Nov 6 00:31:20 PDT 2021



On 2021/11/5 9:36, Randy Dunlap wrote:
> On 11/4/21 6:20 PM, Qi Liu wrote:
>> diff --git a/drivers/hwtracing/coresight/ultrasoc/Kconfig 
>> b/drivers/hwtracing/coresight/ultrasoc/Kconfig
>> new file mode 100644
>> index 000000000000..c18c25bf9df3
>> --- /dev/null
>> +++ b/drivers/hwtracing/coresight/ultrasoc/Kconfig
>> @@ -0,0 +1,12 @@
>> +# SPDX-License-Identifier: MIT
>> +#
>> +# ultrasoc configuration
>> +#
>> +config ULTRASOC_SMB
>> +    tristate "Ultrasoc system memory buffer drivers"
>> +        depends on ARM64 && CORESIGHT
> 
> The "depends" line should be indented with a tab instead of spaces...
> 
ah, yes, my editor might be set incorrectly, thanks for the reminder, 
I'll correct it next time.

Qi
>> +    help
>> +      This enables support for the Ultrasoc system memory buffer
>> +      driver that is responsible for receiving the trace data from
>> +      Coresight ETM devices and storing them to a system buffer
>> +      respectively.
> 
> 



More information about the linux-arm-kernel mailing list