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authorYassine Oudjana <y.oudjana@protonmail.com>2021-10-21 13:24:42 +0000
committerGeorgi Djakov <djakov@kernel.org>2021-11-22 18:25:48 +0200
commit7de109c0abe9bb3f03b3500f3e1840b06c5fd853 (patch)
tree0d69a2d7d946a0936d9bb044d6a487574f1696b3
parent45c548cc5baa047e59865bec5dfa0bd36b48ff17 (diff)
downloadlinux-7de109c0abe9bb3f03b3500f3e1840b06c5fd853.tar.bz2
interconnect: icc-rpm: Add support for bus power domain
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> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> #db820c Link: https://lore.kernel.org/r/20211021132329.234942-3-y.oudjana@protonmail.com Signed-off-by: Georgi Djakov <djakov@kernel.org>
-rw-r--r--drivers/interconnect/qcom/icc-rpm.c7
-rw-r--r--drivers/interconnect/qcom/icc-rpm.h1
2 files changed, 8 insertions, 0 deletions
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;