diff options
author | Frank Li <Frank.Li@nxp.com> | 2023-12-01 17:25:29 -0500 |
---|---|---|
committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2024-01-08 00:49:20 +0100 |
commit | e5e3df06ac98d15cfb10bb5c12356709365e91b2 (patch) | |
tree | c2a250068d976402f95a9af2cc1062e085846d70 /drivers/i3c/master | |
parent | 05b26c31a4859af9e75b7de77458e99358364fe1 (diff) |
i3c: add actual_len in i3c_priv_xfer
In MIPI I3C Specification:
"Ninth Bit of SDR Target Returned (Read) Data as End-of-Data: In I2C, the
ninth Data bit from Target to Controller is an ACK by the Controller. By
contrast, in I3C this bit allows the Target to end a Read, and allows the
Controller to Abort a Read. In SDR terms, the ninth bit of Read data is
referred to as the T-Bit (for ‘Transition’)"
I3C allow devices early terminate data transfer. So need "actual_len" field
to indicate how much get by i3c_priv_xfer.
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20231201222532.2431484-4-Frank.Li@nxp.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/i3c/master')
0 files changed, 0 insertions, 0 deletions