Re: [PATCH V5 2/2] scsi: ufs: Add configfs support for ufs provisioning

Sayali Lokhande
2018-07-11T09:50:14Z

On 7/9/2018 1:51 AM, Christoph Hellwig wrote:
> On Fri, Jul 06, 2018 at 11:50:40AM +0530, Sayali Lokhande wrote:
>> This patch adds configfs support to provision ufs device at
>> runtime. This feature can be primarily useful in factory or
>> assembly line as some devices may be required to be configured
>> multiple times during initial system development phase.
>> Configuration Descriptors can be written multiple times until
>> bConfigDescrLock attribute is zero.
>>
>> Configuration descriptor buffer consists of Device and Unit
>> descriptor configurable parameters which are parsed from vendor
>> specific provisioning file and then passed via configfs node at
>> runtime to provision ufs device.
>> CONFIG_CONFIGFS_FS needs to be enabled for using this feature.
> As mentioned before: this absolutely needs to be a separate
> config option so that the code can be compiled out entirely.
Agree. Will add separate config for UFS Provision and set it dependent
on CONFIGFS_FS