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charset="utf-8" The I3C core expects master drivers to leave payload.len unchanged and report the number of bytes received on GET CCCs via payload.actual_len. The AMD driver was overwriting payload.len after direct read CCCs. Set payload.actual_len from the directed command's rx_actual in xi3c_master_send_direct_ccc_cmd() instead of modifying payload.len. Fixes:629a6ddd1d9a ("i3c: master: Add driver for AMD AXI I3C master controller") Signed-off-by: Shubham Patil Reviewed-by: Frank Li --- Changes in v2: - Added Fixes tag --- drivers/i3c/master/amd-i3c-master.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/i3c/master/amd-i3c-master.c b/drivers/i3c/master/amd-i= 3c-master.c index ef5ad5abb788..f205aa06f9b8 100644 --- a/drivers/i3c/master/amd-i3c-master.c +++ b/drivers/i3c/master/amd-i3c-master.c @@ -806,8 +806,8 @@ static int xi3c_master_send_direct_ccc_cmd(struct xi3c_= master *master, =20 /* Report actual byte count so the core sees the right length on short re= ads */ if (!ret && ccc->rnw) - ccc->dests[0].payload.len =3D min(xfer->cmds[1].rx_actual, - ccc->dests[0].payload.len); + ccc->dests[0].payload.actual_len =3D min(xfer->cmds[1].rx_actual, + ccc->dests[0].payload.len); =20 return ret; } --=20 2.34.1