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authorJarkko Nikula <jarkko.nikula@linux.intel.com>2023-09-21 08:57:04 +0300
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2023-09-25 23:35:14 +0200
commitfc9176e794d74baccb1e4ef41894ac141f524992 (patch)
treec8bf159470fb51c8124e380e0c85c1cf4ef3eaa3 /drivers/i3c
parent3521fa63c1ee7414e6ba0fdf98b82b07939147d9 (diff)
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 <jarkko.nikula@linux.intel.com> Link: https://lore.kernel.org/r/20230921055704.1087277-13-jarkko.nikula@linux.intel.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/i3c')
-rw-r--r--drivers/i3c/master/mipi-i3c-hci/dma.c4
1 files changed, 3 insertions, 1 deletions
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);