[PATCH 12/12] i3c: mipi-i3c-hci: Resume controller after aborted transfer
Jarkko Nikula
jarkko.nikula at linux.intel.com
Wed Sep 20 22:57:04 PDT 2023
Host Controller goes to halt state after aborted transfer and needs to
be resumed by SW. Add this resuming to DMA mode code too.
Signed-off-by: Jarkko Nikula <jarkko.nikula at linux.intel.com>
---
drivers/i3c/master/mipi-i3c-hci/dma.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c
index 00d20a020ffb..bee47aac6894 100644
--- a/drivers/i3c/master/mipi-i3c-hci/dma.c
+++ b/drivers/i3c/master/mipi-i3c-hci/dma.c
@@ -759,9 +759,11 @@ static bool hci_dma_irq_handler(struct i3c_hci *hci, unsigned int mask)
if (status & INTR_RING_OP)
complete(&rh->op_done);
- if (status & INTR_TRANSFER_ABORT)
+ if (status & INTR_TRANSFER_ABORT) {
dev_notice_ratelimited(&hci->master.dev,
"ring %d: Transfer Aborted\n", i);
+ mipi_i3c_hci_resume(hci);
+ }
if (status & INTR_WARN_INS_STOP_MODE)
dev_warn_ratelimited(&hci->master.dev,
"ring %d: Inserted Stop on Mode Change\n", i);
--
2.40.1
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