Comment 0 for bug 1854548

[Bug Description]
enable sas DFX Function for 1620 soc

[Steps to Reproduce]
1)
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[Actual Results]

[Expected Results]

[Reproducibility]

[Additional information]
(Firmware version, kernel version, affected hardware, etc. if required):

[Resolution]
scsi: hisi_sas: Record the phy down event in debugfs
scsi: hisi_sas: Delete the debugfs folder of hisi_sas when the probe fails
scsi: hisi_sas: Add ability to have multiple debugfs dumps
scsi: hisi_sas: Add module parameter for debugfs dump count
scsi: hisi_sas: Allocate memory for multiple dumps of debugfs
scsi: hisi_sas: Add debugfs file structure for ITCT cache
scsi: hisi_sas: Add debugfs file structure for IOST cache
scsi: hisi_sas: Add debugfs file structure for ITCT
scsi: hisi_sas: Add debugfs file structure for IOST
scsi: hisi_sas: Add debugfs file structure for port
scsi: hisi_sas: Add debugfs file structure for registers
scsi: hisi_sas: Add debugfs file structure for DQ
scsi: hisi_sas: Add debugfs file structure for CQ
scsi: hisi_sas: Add timestamp for a debugfs dump
scsi: hisi_sas: Relocate call to hisi_sas_debugfs_exit()