linux-kernel - [PATCH 0/1] Fallback mechanism for GETMXDS CCC

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Message-ID: <20230911082456.23239-1-joshua.yeong@starfivetech.com>
Date:   Mon, 11 Sep 2023 16:24:55 +0800
From:   Joshua Yeong <joshua.yeong@...rfivetech.com>
To:     <alexandre.belloni@...tlin.com>
CC:     <linux-i3c@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        "Joshua Yeong" <joshua.yeong@...rfivetech.com>
Subject: [PATCH 0/1] Fallback mechanism for GETMXDS CCC

Some I3C hardware will report error when incorrect length is received from
device. GETMXDS CCC are availble in 2 formats; without turnaround time (format
1) and with turnaround time (format 2). There is no mechanics to determine which
format is supported by device. In case sending GETMXDS CCC format 2 resulted
failure, try sending GETMXDS CCC format 1 instead.

Joshua Yeong (1):
  i3c: Add fallback method for GETMXDS CCC

 drivers/i3c/master.c    | 33 ++++++++++++++++++++++++++++-----
 include/linux/i3c/ccc.h | 17 +++++++++++++++--
 2 files changed, 43 insertions(+), 7 deletions(-)

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2.25.1