[PATCH v5 2/5] interconnect: icc-rpm: Add support for bus power domain
From: Yassine Oudjana <y.oudjana@protonmail.com>
Date: 2021-10-21 13:20:04
Also in:
linux-arm-msm, linux-devicetree, lkml
Subsystem:
arm/qualcomm mailing list, interconnect api, the rest · Maintainers:
Georgi Djakov, Linus Torvalds
Add support for attaching to a power domain. This is required for Aggregate 0 NoC on MSM8996, which is powered by a GDSC. Signed-off-by: Yassine Oudjana <y.oudjana@protonmail.com> --- drivers/interconnect/qcom/icc-rpm.c | 7 +++++++ drivers/interconnect/qcom/icc-rpm.h | 1 + 2 files changed, 8 insertions(+)
diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c
index ef7999a08c8b..6b918d082ab6 100644
--- a/drivers/interconnect/qcom/icc-rpm.c
+++ b/drivers/interconnect/qcom/icc-rpm.c@@ -11,6 +11,7 @@ #include <linux/of_device.h> #include <linux/of_platform.h> #include <linux/platform_device.h> +#include <linux/pm_domain.h> #include <linux/regmap.h> #include <linux/slab.h>
@@ -340,6 +341,12 @@ int qnoc_probe(struct platform_device *pdev) if (ret) return ret; + if (desc->has_bus_pd) { + ret = dev_pm_domain_attach(dev, true); + if (ret) + return ret; + } + provider = &qp->provider; INIT_LIST_HEAD(&provider->nodes); provider->dev = dev;
diff --git a/drivers/interconnect/qcom/icc-rpm.h b/drivers/interconnect/qcom/icc-rpm.h
index f5744de4da19..fd06a3b9e3f7 100644
--- a/drivers/interconnect/qcom/icc-rpm.h
+++ b/drivers/interconnect/qcom/icc-rpm.h@@ -77,6 +77,7 @@ struct qcom_icc_desc { size_t num_nodes; const char * const *clocks; size_t num_clocks; + bool has_bus_pd; bool is_bimc_node; const struct regmap_config *regmap_cfg; unsigned int qos_offset;
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2.33.1