Re: [PATCH v2 08/13] i3c: dw-i3c-master: Add SETAASA as supported CCC

Frank Li
2026-04-10T02:42:07Z

On Thu, Apr 09, 2026 at 04:27:38PM +0530, Akhil R wrote:
> Add SETAASA and SETHID to the supported list of CCC commands for
> DesignWare I3C host controller.
>
> SETAASA is a broadcast command that assigns predefined static
> addresses to all I3C devices on the bus. SETHID is to stop HID
> bit flipping by the SPD Hub on which the SPD devices are connected.

can you wrap commit message at 75 char.

Add add extra empty line between paragraph.

Frank

> It is a prerequisite command to be sent before SETAASA as recommended
> by JESD300-5 and JESD403 sideband bus specifications.
>
> Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
> ---
> drivers/i3c/master/dw-i3c-master.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/i3c/master/dw-i3c-master.c b/drivers/i3c/master/dw-i3c-master.c
> index d6bdb32397fb..05ccdf177b6d 100644
> --- a/drivers/i3c/master/dw-i3c-master.c
> +++ b/drivers/i3c/master/dw-i3c-master.c
> @@ -308,6 +308,8 @@ static bool dw_i3c_master_supports_ccc_cmd(struct i3c_master_controller *m,
> case I3C_CCC_GETSTATUS:
> case I3C_CCC_GETMXDS:
> case I3C_CCC_GETHDRCAP:
> + case I3C_CCC_SETAASA:
> + case I3C_CCC_VENDOR(0, true): /* SETHID */
> return true;
> default:
> return false;
> --
> 2.50.1
>