linux-kernel - [PATCH] soc: qcom: rpmh-rsc: Add RSC version 4 support

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Message-Id: <20250623-rsc_v4-v1-1-275b27bc5e3c@oss.qualcomm.com>
Date: Mon, 23 Jun 2025 11:19:43 +0530
From: Maulik Shah <maulik.shah@....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,
        Maulik Shah <maulik.shah@....qualcomm.com>
Subject: [PATCH] soc: qcom: rpmh-rsc: Add RSC version 4 support

Register offsets for v3 and v4 versions are backward compatible. Assign v3
offsets for v4 and all higher versions to avoid end up using v2 offsets.

Signed-off-by: Maulik Shah <maulik.shah@....qualcomm.com>
---
 drivers/soc/qcom/rpmh-rsc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c
index cb82e887b51d4401edba713348eed9621622b73b..fdab2b1067dbb13efbbef5cc3ef795a65fc2d6a1 100644
--- a/drivers/soc/qcom/rpmh-rsc.c
+++ b/drivers/soc/qcom/rpmh-rsc.c
@@ -1072,7 +1072,7 @@ static int rpmh_rsc_probe(struct platform_device *pdev)
 	drv->ver.minor = rsc_id & (MINOR_VER_MASK << MINOR_VER_SHIFT);
 	drv->ver.minor >>= MINOR_VER_SHIFT;
 
-	if (drv->ver.major == 3)
+	if (drv->ver.major >= 3)
 		drv->regs = rpmh_rsc_reg_offset_ver_3_0;
 	else
 		drv->regs = rpmh_rsc_reg_offset_ver_2_7;

---
base-commit: 5d4809e25903ab8e74034c1f23c787fd26d52934
change-id: 20250623-rsc_v4-ec10a1aadbb8

Best regards,
-- 
Maulik Shah <maulik.shah@....qualcomm.com>