i3c: mipi-i3c-hci: Do not overallocate transfers in hci_cmd_v1_daa()

Function hci_cmd_v1_daa() uses only single transfer at a time so no need
to allocate two transfers and access can be simplified.

Signed-off-by: Jarkko Nikula <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexandre Belloni <[email protected]>

Author: jhnikula

drivers/i3c/master/mipi-i3c-hci/cmd_v1.c

@@ -298,7 +298,7 @@ static int hci_cmd_v1_daa(struct i3c_hci *hci)
 	unsigned int dcr, bcr;
 	DECLARE_COMPLETION_ONSTACK(done);
 
-	xfer = hci_alloc_xfer(2);
+	xfer = hci_alloc_xfer(1);
 	if (!xfer)
 		return -ENOMEM;
 
@@ -339,12 +339,12 @@ static int hci_cmd_v1_daa(struct i3c_hci *hci)
 			ret = -ETIME;
 			break;
 		}
-		if (RESP_STATUS(xfer[0].response) == RESP_ERR_NACK &&
+		if (RESP_STATUS(xfer->response) == RESP_ERR_NACK &&
 		    RESP_DATA_LENGTH(xfer->response) == 1) {
 			ret = 0;  /* no more devices to be assigned */
 			break;
 		}
-		if (RESP_STATUS(xfer[0].response) != RESP_SUCCESS) {
+		if (RESP_STATUS(xfer->response) != RESP_SUCCESS) {
 			ret = -EIO;
 			break;
 		}