From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Maulik Shah <maulik.shah@oss.qualcomm.com>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Kamal Wadhwa <kamal.wadhwa@oss.qualcomm.com>,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>,
Mark Brown <broonie@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Subject: Re: [PATCH v3] soc: qcom: rpmh-rsc: Update CMD_MSGID_LEN to 4 bytes for read request
Date: Mon, 12 Oct 2026 17:55:40 +0200 [thread overview]
Message-ID: <fd40f44e-8cf1-4c29-837d-85967fc6d1e4@oss.qualcomm.com> (raw)
In-Reply-To: <20261007-rsc_read-v3-1-7501c014fb37@oss.qualcomm.com>
On 10/7/26 12:05 PM, 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@oss.qualcomm.com> #Hawi
> Signed-off-by: Maulik Shah <maulik.shah@oss.qualcomm.com>
> ---
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
prev parent reply other threads:[~2026-10-12 15:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-07 10:05 Maulik Shah
2026-10-12 15:42 ` Mukesh Ojha
2026-10-12 15:55 ` Konrad Dybcio [this message]
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