Re: [PATCH v3] soc: qcom: rpmh-rsc: Update CMD_MSGID_LEN to 4 bytes for read request
From: Abel Vesa
Date: Tue Oct 13 2026 - 04:50:07 EST
On 26-10-07 15:35:49, Maulik Shah wrote:
> Newer SoC like hawi with RSC version v4.5 support 4 byte message read
> request instead of default 8 byte on older SoCs. The write request
> continues to be 8 bytes.
>
> The CMD_MSGID_LEN field is [3:0] bits. Describe the length bits as a
> GENMASK() and use FIELD_PREP() when programming 4-byte or 8-byte message
> length.
>
> Tested-by: Mukesh Ojha <mukesh.ojha@xxxxxxxxxxxxxxxx> #Hawi
> Signed-off-by: Maulik Shah <maulik.shah@xxxxxxxxxxxxxxxx>
Reviewed-by: Abel Vesa <abel.vesa@xxxxxxxxxxxxxxxx>