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i3c: master: svc: Fix npcm845 invalid slvstart event
authorStanley Chu <yschu@nuvoton.com>
Thu, 6 Mar 2025 07:54:28 +0000 (15:54 +0800)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Thu, 6 Mar 2025 20:51:33 +0000 (21:51 +0100)
commit4dd12e944f07013ac280d7f46463c19157898bd1
tree5160d1239e57b5889650c0ff27380fadb8a5eefbtree | snapshot
parent4008a74e0f9b0ec25441028e324452933644ed2acommit | diff
i3c: master: svc: Fix npcm845 invalid slvstart event

I3C HW may generate an invalid SlvStart event when emitting a STOP.
If it is a true SlvStart, the MSTATUS state is SLVREQ. Check the
MSTATUS state to ignore the false event.

Reviewed-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Stanley Chu <yschu@nuvoton.com>
Link: https://lore.kernel.org/r/20250306075429.2265183-5-yschu@nuvoton.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
drivers/i3c/master/svc-i3c-master.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git