diff options
Diffstat (limited to 'drivers/i3c/master.c')
| -rw-r--r-- | drivers/i3c/master.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c index 95caa162706f..718b643cb54d 100644 --- a/drivers/i3c/master.c +++ b/drivers/i3c/master.c @@ -1130,8 +1130,16 @@ static int i3c_master_getmxds_locked(struct i3c_master_controller *master, i3c_ccc_cmd_init(&cmd, true, I3C_CCC_GETMXDS, &dest, 1); ret = i3c_master_send_ccc_cmd_locked(master, &cmd); - if (ret) - goto out; + if (ret) { + /* + * Retry when the device does not support max read turnaround + * while expecting shorter length from this CCC command. + */ + dest->payload.len -= 3; + ret = i3c_master_send_ccc_cmd_locked(master, &cmd); + if (ret) + goto out; + } if (dest.payload.len != 2 && dest.payload.len != 5) { ret = -EIO; |