diff options
| author | Liang Liang (Leo) <liang.liang@amd.com> | 2020-12-01 07:01:49 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-12-23 15:07:58 -0500 |
| commit | 4a3e6ad2b59e607f0c908c672cd528323a76e548 (patch) | |
| tree | 987469a4d0b1cd130b527756c0eebd5e1d30d756 | |
| parent | 4f1431db92d801ae055ae5babe50bcbe1ce2feee (diff) | |
usb: typec: ucsi: check cci busy during PPM reset
[Why]
Following the spec of UCSI, EC may return CCI_BUSY for PPM reset cmd.
[How]
Check CCI_BUSY bit.
Jira ID: SCSWATH-10
Signed-off-by: Liang Liang (Leo) <liang.liang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/usb/typec/ucsi/ucsi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index 758b988ac518..a41dca0f7dfe 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -759,7 +759,7 @@ static int ucsi_reset_ppm(struct ucsi *ucsi) goto out; /* If the PPM is still doing something else, reset it again. */ - if (cci & ~UCSI_CCI_RESET_COMPLETE) { + if (cci & ~(UCSI_CCI_RESET_COMPLETE | UCSI_CCI_BUSY)) { ret = ucsi->ops->async_write(ucsi, UCSI_CONTROL, &command, sizeof(command)); |