From: Jarkko Nikula Date: Thu, 21 Sep 2023 05:56:58 +0000 (+0300) Subject: i3c: mipi-i3c-hci: Set ring start request together with enable X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e141db842766b1d9af32030a842ceb5eaf389bbb;p=linux.git i3c: mipi-i3c-hci: Set ring start request together with enable Set ring start request together with ring enable in hci_dma_init(). This causes the ring abort request in hci_dma_dequeue_xfer() will raise the INTR_RING_OP (RING_OP_STAT in MIPI I3C HCI specification) interrupt in the RH_INTR_STATUS register. Signed-off-by: Jarkko Nikula Link: https://lore.kernel.org/r/20230921055704.1087277-7-jarkko.nikula@linux.intel.com Signed-off-by: Alexandre Belloni --- diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c index e676b47966d23..d2dbbcdad1e94 100644 --- a/drivers/i3c/master/mipi-i3c-hci/dma.c +++ b/drivers/i3c/master/mipi-i3c-hci/dma.c @@ -325,7 +325,8 @@ static int hci_dma_init(struct i3c_hci *hci) rh_reg_write(INTR_SIGNAL_ENABLE, regval); ring_ready: - rh_reg_write(RING_CONTROL, RING_CTRL_ENABLE); + rh_reg_write(RING_CONTROL, RING_CTRL_ENABLE | + RING_CTRL_RUN_STOP); } regval = FIELD_PREP(MAX_HEADER_COUNT, rings->total);