i3c: master: svc: add NACK check after start byte sent

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[ Upstream commit 49b472ebc6 ]

Add NACK check after start byte is sent.
It is possible to detect early that a device is not on the bus
and avoid invalid transmissions thereafter.

Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20230517033030.3068085-3-xiaoning.wang@nxp.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Stable-dep-of: 9aaeef113c ("i3c: master: svc: fix random hot join failure since timeout error")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Clark Wang 2023-05-17 11:30:30 +08:00 • committed by Greg Kroah-Hartman

parent 90db4c1d5e

commit a807a44189

1 changed files with 6 additions and 0 deletions

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drivers/i3c/master/svc-i3c-master.c

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