diff options
| -rw-r--r-- | drivers/interconnect/qcom/icc-rpmh.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/interconnect/qcom/icc-rpmh.c b/drivers/interconnect/qcom/icc-rpmh.c index f90c29111f48..3b445acefece 100644 --- a/drivers/interconnect/qcom/icc-rpmh.c +++ b/drivers/interconnect/qcom/icc-rpmh.c @@ -308,14 +308,19 @@ int qcom_icc_rpmh_probe(struct platform_device *pdev) struct resource *res; void __iomem *base; - base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); - if (IS_ERR(base)) - goto skip_qos_config; - - qp->regmap = devm_regmap_init_mmio(dev, base, desc->config); - if (IS_ERR(qp->regmap)) { - dev_info(dev, "Skipping QoS, regmap failed; %ld\n", PTR_ERR(qp->regmap)); - goto skip_qos_config; + /* Try parent's regmap first */ + qp->regmap = dev_get_regmap(dev->parent, NULL); + if (!qp->regmap) { + base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); + if (IS_ERR(base)) + goto skip_qos_config; + + qp->regmap = devm_regmap_init_mmio(dev, base, desc->config); + if (IS_ERR(qp->regmap)) { + dev_info(dev, "Skipping QoS, regmap failed; %ld\n", + PTR_ERR(qp->regmap)); + goto skip_qos_config; + } } qp->num_clks = devm_clk_bulk_get_all(qp->dev, &qp->clks); |