[PATCH V4 10/17] i3c: mipi-i3c-hci: Factor out hci_dma_abort()

[Adrian Hunter]

Factor out hci_dma_abort() from hci_dma_dequeue_xfer() in preparation
for further changes.

Signed-off-by: Adrian Hunter <adrian.hunter at intel.com>
---


Changes in V4:

	New patch


 drivers/i3c/master/mipi-i3c-hci/dma.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c
index 906de7dbfdb5..f2d33068b8df 100644
--- a/drivers/i3c/master/mipi-i3c-hci/dma.c
+++ b/drivers/i3c/master/mipi-i3c-hci/dma.c
@@ -597,6 +597,13 @@ static void hci_dma_xfer_done(struct i3c_hci *hci, struct hci_rh_data *rh)
 	rh_reg_write(RING_OPERATION1, op1_val);
 }
 
+static void hci_dma_abort(struct hci_rh_data *rh)
+{
+	reinit_completion(&rh->op_done);
+	rh_reg_write(RING_CONTROL, rh_reg_read(RING_CONTROL) | RING_CTRL_ABORT);
+	wait_for_completion_timeout(&rh->op_done, HZ);
+}
+
 static void hci_dma_unblock_enqueue(struct i3c_hci *hci)
 {
 	if (hci->enqueue_blocked) {
@@ -623,9 +630,7 @@ static bool hci_dma_dequeue_xfer(struct i3c_hci *hci,
 		hci->enqueue_blocked = true;
 		spin_unlock_irq(&hci->lock);
 		/* stop the ring */
-		reinit_completion(&rh->op_done);
-		rh_reg_write(RING_CONTROL, rh_reg_read(RING_CONTROL) | RING_CTRL_ABORT);
-		wait_for_completion_timeout(&rh->op_done, HZ);
+		hci_dma_abort(rh);
 		spin_lock_irq(&hci->lock);
 		ring_status = rh_reg_read(RING_STATUS);
 		if (ring_status & RING_STATUS_RUNNING) {
-- 
2.51.0