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i3c: mipi-i3c-hci: Factor out hci_dma_abort()

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

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260603090754.16252-11-adrian.hunter@intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Adrian Hunter 2026-06-03 12:07:47 +03:00 committed by Alexandre Belloni
parent 29ca24fbd2
commit 5d38555049
1 changed files with 8 additions and 3 deletions
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11
drivers/i3c/master/mipi-i3c-hci/dma.c
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@ -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) {