i3c: master: svc: skip address resend on repeat START
authorFrank Li <Frank.Li@nxp.com>
Tue, 29 Apr 2025 05:42:34 +0000 (01:42 -0400)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Thu, 15 May 2025 09:56:09 +0000 (11:56 +0200)
commit12cbd157344848b1bd726ecadce27532d79b785a
treea7aa31522fd72bcc41c3c966800d6ce7a9f5cc94
parent81f2a9af982120104d5e9211b15f3a83281972c1
i3c: master: svc: skip address resend on repeat START

According to the I3C specification, address arbitration only happens during
the START. Repeated START do not initiate arbitration, and In-Band
Interrupts (IBIs) cannot occur at this stage.

Resending the address upon a NACK in a repeat START is therefore redundant
and unnecessary. Avoid redundant retries, improving efficiency and ensuring
protocol compliance.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20250429054234.4013929-1-Frank.Li@nxp.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
drivers/i3c/master/svc-i3c-master.c