Hi Steev, On Wed, 2020-06-24 at 11:15 -0500, Steev Klimaszewski wrote: > On 6/23/20 8:53 PM, Stanley Chu wrote: > > Hi Steev, > > > > Please help try below simple patch to see if above WriteBooster messages > > can be eliminated. > > > > > > --- > > drivers/scsi/ufs/ufshcd.c | 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c > > index f173ad1bd79f..089c0785f0b3 100644 > > --- a/drivers/scsi/ufs/ufshcd.c > > +++ b/drivers/scsi/ufs/ufshcd.c > > @@ -6985,6 +6985,8 @@ static int ufs_get_device_desc(struct ufs_hba > > *hba) > > dev_info->wspecversion == 0x220 || > > (hba->dev_quirks & UFS_DEVICE_QUIRK_SUPPORT_EXTENDED_FEATURES)) > > ufshcd_wb_probe(hba, desc_buf); > > + else > > + hba->caps &= ~UFSHCD_CAP_WB_EN; > > > > /* > > * ufshcd_read_string_desc returns size of the string > > Hi Stanley, > > That worked. > > > 1. > [ 0.704775] ufshcd-qcom 1d84000.ufshc: ufshcd_populate_vreg: > Unable to find vdd-hba-supply regulator, assuming enabled > 2. > [ 0.704781] ufshcd-qcom 1d84000.ufshc: ufshcd_populate_vreg: > Unable to find vccq-supply regulator, assuming enabled > 3. > [ 0.704783] ufshcd-qcom 1d84000.ufshc: ufshcd_populate_vreg: > Unable to find vccq2-supply regulator, assuming enabled > 4. > [ 0.705618] ufshcd-qcom 1d84000.ufshc: Found QC Inline Crypto > Engine (ICE) v3.1.75 > 5. > [ 0.707496] scsi host0: ufshcd > 6. > [ 0.720415] ALSA device list: > 7. > [ 0.720422] No soundcards found. > 8. > [ 0.734245] ufshcd-qcom 1d84000.ufshc: ufshcd_print_pwr_info:[RX, > TX]: gear=[1, 1], lane[1, 1], pwr[SLOWAUTO_MODE, SLOWAUTO_MODE], > rate = 0 > 9. > [ 0.845159] ufshcd-qcom 1d84000.ufshc: ufshcd_print_pwr_info:[RX, > TX]: gear=[3, 3], lane[2, 2], pwr[FAST MODE, FAST MODE], rate = 2 > 10. > [ 0.846399] ufshcd-qcom 1d84000.ufshc: > ufshcd_find_max_sup_active_icc_level: Regulator capability was not > set, actvIccLevel=0 > 11. > [ 0.849258] scsi 0:0:0:49488: Well-known LUN SAMSUNG > KLUDG4U1EA-B0C1 0500 PQ: 0 ANSI: 6 > 12. > [ 0.853372] scsi 0:0:0:49476: Well-known LUN SAMSUNG > KLUDG4U1EA-B0C1 0500 PQ: 0 ANSI: 6 > 13. > [ 0.855135] scsi 0:0:0:49456: Well-known LUN SAMSUNG > KLUDG4U1EA-B0C1 0500 PQ: 0 ANSI: 6 > 14. > [ 0.857050] scsi 0:0:0:0: Direct-Access SAMSUNG > KLUDG4U1EA-B0C1 0500 PQ: 0 ANSI: 6 > 15. > [ 0.858297] sd 0:0:0:0: Power-on or device reset occurred > 16. > [ 0.859985] scsi 0:0:0:1: Direct-Access SAMSUNG > KLUDG4U1EA-B0C1 0500 PQ: 0 ANSI: 6 > 17. > [ 0.860702] sd 0:0:0:0: [sda] 29765632 4096-byte logical blocks: > (122 GB/114 GiB) > > (full dmesg output at https://pastebin.com/Pvfqe42P ) > > I guess you can throw my Tested-by on there. >
Thanks so much for the test! I have re-sent the patch with your "Tested-By" tag : ) Thanks a lot, Stanley Chu
