linux-kernel - [PATCH v3 0/2] soc: qcom: smp2p: Add support for remoteproc early attach

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Message-Id: <20260127-smp2pv2-v3-0-4060b859b1e2@oss.qualcomm.com>
Date: Tue, 27 Jan 2026 16:08:44 +0530
From: Deepak Kumar Singh <deepak.singh@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Deepak Kumar Singh <deepak.singh@....qualcomm.com>,
        linux-remoteproc@...r.kernel.org,
        Chris Lew <chris.lew@....qualcomm.com>
Subject: [PATCH v3 0/2] soc: qcom: smp2p: Add support for remoteproc early
 attach

Some remoteproc will boot during earlier boot stages, add callback
.irq_get_irqchip_state for remoteproc to check the states in smp2p
and mark the state "attached", also add smp2p v2 support.

Signed-off-by: Deepak Kumar Singh <deepak.singh@....qualcomm.com>
---
Changes in v3:
- Update commit message.
- Clean up macros for smp2p version.
- Update description for smp2p version 2.
- Update version negotiation to accomodate version 2.
- Address other minor comments from v2.
- Link to v2: https://lore.kernel.org/all/20251103152929.2434911-1-deepak.singh@oss.qualcomm.com

Changes in v2:
- Update condition to check version 2 in qcom_smp2p_start_in().
- Add more comment to describe above condition.
- Add description for version v1 and v2 of smp2p.
- Check validity of in_version.
- Link to v1: https://lore.kernel.org/all/20250923-smp2p-v1-0-2c045af73dac@oss.qualcomm.com

---
Chris Lew (2):
      soc: qcom: smp2p: Add irqchip state support
      soc: qcom: smp2p: Add support for smp2p v2

 drivers/soc/qcom/smp2p.c | 103 +++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 99 insertions(+), 4 deletions(-)
---
base-commit: fcb70a56f4d81450114034b2c61f48ce7444a0e2
change-id: 20251127-smp2pv2-bb88f617b5b0

Best regards,
-- 
Deepak Kumar Singh <deepak.singh@....qualcomm.com>