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
--Steev
