umber-kernel/drivers/i3c
Adrian Hunter 0e5806ef45 i3c: mipi-i3c-hci: Reset RING_OPERATION1 fields during init
[ Upstream commit 78f63ae4a82db173f93adca462e63d11ba06b126 ]

The MIPI I3C HCI specification does not define reset values for
RING_OPERATION1 fields, and some controllers (e.g., Intel) do not clear
them during a software reset.  Ensure the ring pointers are explicitly
set to zero during bus initialization to avoid inconsistent state.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260113072702.16268-2-adrian.hunter@intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2026-03-04 07:19:30 -05:00
..
master i3c: mipi-i3c-hci: Reset RING_OPERATION1 fields during init 2026-03-04 07:19:30 -05:00
Kconfig
Makefile
device.c i3c: Fix i3c_device_do_priv_xfers() kernel-doc indentation 2025-07-31 01:23:12 +02:00
internals.h i3c: fix big-endian FIFO transfers 2025-09-29 00:17:22 +02:00
master.c i3c: master: Update hot-join flag only on success 2026-02-26 14:58:57 -08:00