From fc9176e794d74baccb1e4ef41894ac141f524992 Mon Sep 17 00:00:00 2001 From: Jarkko Nikula Date: Thu, 21 Sep 2023 08:57:04 +0300 Subject: i3c: mipi-i3c-hci: Resume controller after aborted transfer 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 Link: https://lore.kernel.org/r/20230921055704.1087277-13-jarkko.nikula@linux.intel.com Signed-off-by: Alexandre Belloni --- drivers/i3c/master/mipi-i3c-hci/dma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/i3c/master') diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c index c8720e6334c9..c805a8497319 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); -- cgit v1.2.3