soc: qcom: rpmh-rsc: Add RSC version 4 support

[ Upstream commit 84684c57c9cd47b86c883a7170dd68222d97ef13 ]

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@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250623-rsc_v4-v1-1-275b27bc5e3c@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c
index cb82e887b51d4401edba713348eed9621622b73b..fdab2b1067dbb13efbbef5cc3ef795a65fc2d6a1 100644 (file)
--- 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;