RE: Re: [PATCH v15 1/3] scsi: ufs: Introduce HPB feature

2020-12-19 Thread Daejun Park
On Sat, Dec 19, 2020 at 12:30:39PM +0900, Daejun Park wrote: > > @@ -323,6 +325,8 @@ static struct attribute *ufs_sysfs_device_descriptor[] > > = { > > _attr_number_of_secure_wpa.attr, > > _attr_psa_max_data_size.attr, > > _attr_psa_state_timeout.attr, > > + _attr_hpb_version.attr,

Re: [PATCH v15 1/3] scsi: ufs: Introduce HPB feature

2020-12-18 Thread Greg KH
On Sat, Dec 19, 2020 at 12:30:39PM +0900, Daejun Park wrote: > @@ -323,6 +325,8 @@ static struct attribute *ufs_sysfs_device_descriptor[] = { > _attr_number_of_secure_wpa.attr, > _attr_psa_max_data_size.attr, > _attr_psa_state_timeout.attr, > + _attr_hpb_version.attr, > +

[PATCH v15 1/3] scsi: ufs: Introduce HPB feature

2020-12-18 Thread Daejun Park
This is a patch for the HPB initialization and adds HPB function calls to UFS core driver. NAND flash-based storage devices, including UFS, have mechanisms to translate logical addresses of IO requests to the corresponding physical addresses of the flash storage. In UFS,