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Message-Id: <20200930081645.3434-2-jun.nie@linaro.org>
Date: Wed, 30 Sep 2020 16:16:41 +0800
From: Jun Nie <jun.nie@...aro.org>
To: devicetree@...r.kernel.org, georgi.djakov@...aro.org,
bjorn.andersson@...aro.org, agross@...nel.org,
linux-pm@...r.kernel.org, linux-arm-msm@...r.kernel.org,
linux-kernel@...r.kernel.org, robh@...nel.org
Cc: shawn.guo@...aro.org, Jun Nie <jun.nie@...aro.org>
Subject: [PATCH 1/5] interconnect: qcom: Consolidate interconnect RPM support
Add RPM based interconnect driver implements the set and aggregate
functionalities that translates bandwidth requests into RPM messages.
These modules provide a common set of functionalities for all
Qualcomm RPM based interconnect providers and should help reduce code
duplication when adding new providers.
Signed-off-by: Jun Nie <jun.nie@...aro.org>
---
drivers/interconnect/qcom/Makefile | 3 +-
drivers/interconnect/qcom/icc-rpm.c | 194 ++++++++++++++++++++++
drivers/interconnect/qcom/icc-rpm.h | 73 +++++++++
drivers/interconnect/qcom/msm8916.c | 241 ++--------------------------
4 files changed, 279 insertions(+), 232 deletions(-)
create mode 100644 drivers/interconnect/qcom/icc-rpm.c
create mode 100644 drivers/interconnect/qcom/icc-rpm.h
diff --git a/drivers/interconnect/qcom/Makefile b/drivers/interconnect/qcom/Makefile
index 1702ece67dc5..f5e803489de0 100644
--- a/drivers/interconnect/qcom/Makefile
+++ b/drivers/interconnect/qcom/Makefile
@@ -9,7 +9,7 @@ icc-rpmh-obj := icc-rpmh.o
qnoc-sc7180-objs := sc7180.o
qnoc-sdm845-objs := sdm845.o
qnoc-sm8150-objs := sm8150.o
-icc-smd-rpm-objs := smd-rpm.o
+icc-smd-rpm-objs := smd-rpm.o icc-rpm.o
obj-$(CONFIG_INTERCONNECT_QCOM_BCM_VOTER) += icc-bcm-voter.o
obj-$(CONFIG_INTERCONNECT_QCOM_MSM8916) += qnoc-msm8916.o
@@ -21,3 +21,4 @@ obj-$(CONFIG_INTERCONNECT_QCOM_SC7180) += qnoc-sc7180.o
obj-$(CONFIG_INTERCONNECT_QCOM_SDM845) += qnoc-sdm845.o
obj-$(CONFIG_INTERCONNECT_QCOM_SM8150) += qnoc-sm8150.o
obj-$(CONFIG_INTERCONNECT_QCOM_SMD_RPM) += icc-smd-rpm.o
+obj-$(CONFIG_INTERCONNECT_QCOM_SMD_RPM) += icc-smd-rpm.o
diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c
new file mode 100644
index 000000000000..4ddcb6cd4b84
--- /dev/null
+++ b/drivers/interconnect/qcom/icc-rpm.c
@@ -0,0 +1,194 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 Linaro Ltd
+ */
+
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/interconnect-provider.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include "smd-rpm.h"
+#include "icc-rpm.h"
+
+static int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
+{
+ struct qcom_icc_provider *qp;
+ struct qcom_icc_node *qn;
+ struct icc_provider *provider;
+ struct icc_node *n;
+ u64 sum_bw;
+ u64 max_peak_bw;
+ u64 rate;
+ u32 agg_avg = 0;
+ u32 agg_peak = 0;
+ int ret, i;
+
+ qn = src->data;
+ provider = src->provider;
+ qp = to_qcom_provider(provider);
+
+ list_for_each_entry(n, &provider->nodes, node_list)
+ provider->aggregate(n, 0, n->avg_bw, n->peak_bw,
+ &agg_avg, &agg_peak);
+
+ sum_bw = icc_units_to_bps(agg_avg);
+ max_peak_bw = icc_units_to_bps(agg_peak);
+
+ /* send bandwidth request message to the RPM processor */
+ if (qn->mas_rpm_id != -1) {
+ ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
+ RPM_BUS_MASTER_REQ,
+ qn->mas_rpm_id,
+ sum_bw);
+ if (ret) {
+ pr_err("qcom_icc_rpm_smd_send mas %d error %d\n",
+ qn->mas_rpm_id, ret);
+ return ret;
+ }
+ }
+
+ if (qn->slv_rpm_id != -1) {
+ ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
+ RPM_BUS_SLAVE_REQ,
+ qn->slv_rpm_id,
+ sum_bw);
+ if (ret) {
+ pr_err("qcom_icc_rpm_smd_send slv error %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ rate = max(sum_bw, max_peak_bw);
+
+ do_div(rate, qn->buswidth);
+
+ if (qn->rate == rate)
+ return 0;
+
+ for (i = 0; i < qp->num_clks; i++) {
+ ret = clk_set_rate(qp->bus_clks[i].clk, rate);
+ if (ret) {
+ pr_err("%s clk_set_rate error: %d\n",
+ qp->bus_clks[i].id, ret);
+ return ret;
+ }
+ }
+
+ qn->rate = rate;
+
+ return 0;
+}
+
+int qnoc_probe(struct platform_device *pdev, size_t cd_size, int cd_num,
+ const struct clk_bulk_data *cd)
+{
+ struct device *dev = &pdev->dev;
+ const struct qcom_icc_desc *desc;
+ struct icc_onecell_data *data;
+ struct icc_provider *provider;
+ struct qcom_icc_node **qnodes;
+ struct qcom_icc_provider *qp;
+ struct icc_node *node;
+ size_t num_nodes, i;
+ int ret;
+
+ /* wait for the RPM proxy */
+ if (!qcom_icc_rpm_smd_available())
+ return -EPROBE_DEFER;
+
+ desc = of_device_get_match_data(dev);
+ if (!desc)
+ return -EINVAL;
+
+ qnodes = desc->nodes;
+ num_nodes = desc->num_nodes;
+
+ qp = devm_kzalloc(dev, sizeof(*qp), GFP_KERNEL);
+ if (!qp)
+ return -ENOMEM;
+
+ data = devm_kzalloc(dev, struct_size(data, nodes, num_nodes),
+ GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ qp->bus_clks = devm_kmemdup(dev, cd, cd_size,
+ GFP_KERNEL);
+ if (!qp->bus_clks)
+ return -ENOMEM;
+
+ qp->num_clks = cd_num;
+ ret = devm_clk_bulk_get(dev, qp->num_clks, qp->bus_clks);
+ if (ret)
+ return ret;
+
+ ret = clk_bulk_prepare_enable(qp->num_clks, qp->bus_clks);
+ if (ret)
+ return ret;
+
+ provider = &qp->provider;
+ INIT_LIST_HEAD(&provider->nodes);
+ provider->dev = dev;
+ provider->set = qcom_icc_set;
+ provider->aggregate = icc_std_aggregate;
+ provider->xlate = of_icc_xlate_onecell;
+ provider->data = data;
+
+ ret = icc_provider_add(provider);
+ if (ret) {
+ dev_err(dev, "error adding interconnect provider: %d\n", ret);
+ clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
+ return ret;
+ }
+
+ for (i = 0; i < num_nodes; i++) {
+ size_t j;
+
+ node = icc_node_create(qnodes[i]->id);
+ if (IS_ERR(node)) {
+ ret = PTR_ERR(node);
+ goto err;
+ }
+
+ node->name = qnodes[i]->name;
+ node->data = qnodes[i];
+ icc_node_add(node, provider);
+
+ dev_dbg(dev, "registered node %s\n", node->name);
+
+ /* populate links */
+ for (j = 0; j < qnodes[i]->num_links; j++)
+ icc_link_create(node, qnodes[i]->links[j]);
+
+ data->nodes[i] = node;
+ }
+ data->num_nodes = num_nodes;
+
+ platform_set_drvdata(pdev, qp);
+
+ return 0;
+err:
+ icc_nodes_remove(provider);
+ clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
+ icc_provider_del(provider);
+
+ return ret;
+}
+EXPORT_SYMBOL(qnoc_probe);
+
+int qnoc_remove(struct platform_device *pdev)
+{
+ struct qcom_icc_provider *qp = platform_get_drvdata(pdev);
+
+ icc_nodes_remove(&qp->provider);
+ clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
+ return icc_provider_del(&qp->provider);
+}
+EXPORT_SYMBOL(qnoc_remove);
diff --git a/drivers/interconnect/qcom/icc-rpm.h b/drivers/interconnect/qcom/icc-rpm.h
new file mode 100644
index 000000000000..b75bb59d79b7
--- /dev/null
+++ b/drivers/interconnect/qcom/icc-rpm.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2020 Linaro Ltd
+ */
+
+#ifndef __DRIVERS_INTERCONNECT_QCOM_SMD_RPM_COMMON_H
+#define __DRIVERS_INTERCONNECT_QCOM_SMD_RPM_COMMON_H
+
+#define RPM_BUS_MASTER_REQ 0x73616d62
+#define RPM_BUS_SLAVE_REQ 0x766c7362
+
+#define QCOM_MAX_LINKS 12
+
+#define to_qcom_provider(_provider) \
+ container_of(_provider, struct qcom_icc_provider, provider)
+
+/**
+ * struct qcom_icc_provider - Qualcomm specific interconnect provider
+ * @provider: generic interconnect provider
+ * @bus_clks: the clk_bulk_data table of bus clocks
+ * @num_clks: the total number of clk_bulk_data entries
+ */
+struct qcom_icc_provider {
+ struct icc_provider provider;
+ struct clk_bulk_data *bus_clks;
+ int num_clks;
+};
+
+/**
+ * struct qcom_icc_node - Qualcomm specific interconnect nodes
+ * @name: the node name used in debugfs
+ * @id: a unique node identifier
+ * @links: an array of nodes where we can go next while traversing
+ * @num_links: the total number of @links
+ * @buswidth: width of the interconnect between a node and the bus (bytes)
+ * @mas_rpm_id: RPM id for devices that are bus masters
+ * @slv_rpm_id: RPM id for devices that are bus slaves
+ * @rate: current bus clock rate in Hz
+ */
+struct qcom_icc_node {
+ unsigned char *name;
+ u16 id;
+ u16 links[QCOM_MAX_LINKS];
+ u16 num_links;
+ u16 buswidth;
+ int mas_rpm_id;
+ int slv_rpm_id;
+ u64 rate;
+};
+
+struct qcom_icc_desc {
+ struct qcom_icc_node **nodes;
+ size_t num_nodes;
+};
+
+#define DEFINE_QNODE(_name, _id, _buswidth, _mas_rpm_id, _slv_rpm_id, \
+ ...) \
+ static struct qcom_icc_node _name = { \
+ .name = #_name, \
+ .id = _id, \
+ .buswidth = _buswidth, \
+ .mas_rpm_id = _mas_rpm_id, \
+ .slv_rpm_id = _slv_rpm_id, \
+ .num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })), \
+ .links = { __VA_ARGS__ }, \
+ }
+
+
+int qnoc_probe(struct platform_device *pdev, size_t cd_size, int cd_num,
+ const struct clk_bulk_data *cd);
+int qnoc_remove(struct platform_device *pdev);
+
+#endif
diff --git a/drivers/interconnect/qcom/msm8916.c b/drivers/interconnect/qcom/msm8916.c
index 42c6c5581662..c4985c5774eb 100644
--- a/drivers/interconnect/qcom/msm8916.c
+++ b/drivers/interconnect/qcom/msm8916.c
@@ -15,9 +15,7 @@
#include <dt-bindings/interconnect/qcom,msm8916.h>
#include "smd-rpm.h"
-
-#define RPM_BUS_MASTER_REQ 0x73616d62
-#define RPM_BUS_SLAVE_REQ 0x766c7362
+#include "icc-rpm.h"
enum {
MSM8916_BIMC_SNOC_MAS = 1,
@@ -107,67 +105,11 @@ enum {
MSM8916_SNOC_PNOC_SLV,
};
-#define to_msm8916_provider(_provider) \
- container_of(_provider, struct msm8916_icc_provider, provider)
-
static const struct clk_bulk_data msm8916_bus_clocks[] = {
{ .id = "bus" },
{ .id = "bus_a" },
};
-/**
- * struct msm8916_icc_provider - Qualcomm specific interconnect provider
- * @provider: generic interconnect provider
- * @bus_clks: the clk_bulk_data table of bus clocks
- * @num_clks: the total number of clk_bulk_data entries
- */
-struct msm8916_icc_provider {
- struct icc_provider provider;
- struct clk_bulk_data *bus_clks;
- int num_clks;
-};
-
-#define MSM8916_MAX_LINKS 8
-
-/**
- * struct msm8916_icc_node - Qualcomm specific interconnect nodes
- * @name: the node name used in debugfs
- * @id: a unique node identifier
- * @links: an array of nodes where we can go next while traversing
- * @num_links: the total number of @links
- * @buswidth: width of the interconnect between a node and the bus (bytes)
- * @mas_rpm_id: RPM ID for devices that are bus masters
- * @slv_rpm_id: RPM ID for devices that are bus slaves
- * @rate: current bus clock rate in Hz
- */
-struct msm8916_icc_node {
- unsigned char *name;
- u16 id;
- u16 links[MSM8916_MAX_LINKS];
- u16 num_links;
- u16 buswidth;
- int mas_rpm_id;
- int slv_rpm_id;
- u64 rate;
-};
-
-struct msm8916_icc_desc {
- struct msm8916_icc_node **nodes;
- size_t num_nodes;
-};
-
-#define DEFINE_QNODE(_name, _id, _buswidth, _mas_rpm_id, _slv_rpm_id, \
- ...) \
- static struct msm8916_icc_node _name = { \
- .name = #_name, \
- .id = _id, \
- .buswidth = _buswidth, \
- .mas_rpm_id = _mas_rpm_id, \
- .slv_rpm_id = _slv_rpm_id, \
- .num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })), \
- .links = { __VA_ARGS__ }, \
- }
-
DEFINE_QNODE(bimc_snoc_mas, MSM8916_BIMC_SNOC_MAS, 8, -1, -1, MSM8916_BIMC_SNOC_SLV);
DEFINE_QNODE(bimc_snoc_slv, MSM8916_BIMC_SNOC_SLV, 8, -1, -1, MSM8916_SNOC_INT_0, MSM8916_SNOC_INT_1);
DEFINE_QNODE(mas_apss, MSM8916_MASTER_AMPSS_M0, 8, -1, -1, MSM8916_SLAVE_EBI_CH0, MSM8916_BIMC_SNOC_MAS, MSM8916_SLAVE_AMPSS_L2);
@@ -254,7 +196,7 @@ DEFINE_QNODE(snoc_int_bimc, MSM8916_SNOC_INT_BIMC, 8, 101, 132, MSM8916_SNOC_BIM
DEFINE_QNODE(snoc_pcnoc_mas, MSM8916_SNOC_PNOC_MAS, 8, -1, -1, MSM8916_SNOC_PNOC_SLV);
DEFINE_QNODE(snoc_pcnoc_slv, MSM8916_SNOC_PNOC_SLV, 8, -1, -1, MSM8916_PNOC_INT_0);
-static struct msm8916_icc_node *msm8916_snoc_nodes[] = {
+static struct qcom_icc_node *msm8916_snoc_nodes[] = {
[BIMC_SNOC_SLV] = &bimc_snoc_slv,
[MASTER_JPEG] = &mas_jpeg,
[MASTER_MDP_PORT0] = &mas_mdp,
@@ -283,12 +225,12 @@ static struct msm8916_icc_node *msm8916_snoc_nodes[] = {
[SNOC_QDSS_INT] = &qdss_int,
};
-static struct msm8916_icc_desc msm8916_snoc = {
+static struct qcom_icc_desc msm8916_snoc = {
.nodes = msm8916_snoc_nodes,
.num_nodes = ARRAY_SIZE(msm8916_snoc_nodes),
};
-static struct msm8916_icc_node *msm8916_bimc_nodes[] = {
+static struct qcom_icc_node *msm8916_bimc_nodes[] = {
[BIMC_SNOC_MAS] = &bimc_snoc_mas,
[MASTER_AMPSS_M0] = &mas_apss,
[MASTER_GRAPHICS_3D] = &mas_gfx,
@@ -300,12 +242,12 @@ static struct msm8916_icc_node *msm8916_bimc_nodes[] = {
[SNOC_BIMC_1_SLV] = &snoc_bimc_1_slv,
};
-static struct msm8916_icc_desc msm8916_bimc = {
+static struct qcom_icc_desc msm8916_bimc = {
.nodes = msm8916_bimc_nodes,
.num_nodes = ARRAY_SIZE(msm8916_bimc_nodes),
};
-static struct msm8916_icc_node *msm8916_pcnoc_nodes[] = {
+static struct qcom_icc_node *msm8916_pcnoc_nodes[] = {
[MASTER_BLSP_1] = &mas_blsp_1,
[MASTER_DEHR] = &mas_dehr,
[MASTER_LPASS] = &mas_audio,
@@ -358,178 +300,15 @@ static struct msm8916_icc_node *msm8916_pcnoc_nodes[] = {
[SNOC_PCNOC_SLV] = &snoc_pcnoc_slv,
};
-static struct msm8916_icc_desc msm8916_pcnoc = {
+static struct qcom_icc_desc msm8916_pcnoc = {
.nodes = msm8916_pcnoc_nodes,
.num_nodes = ARRAY_SIZE(msm8916_pcnoc_nodes),
};
-static int msm8916_icc_set(struct icc_node *src, struct icc_node *dst)
-{
- struct msm8916_icc_provider *qp;
- struct msm8916_icc_node *qn;
- u64 sum_bw, max_peak_bw, rate;
- u32 agg_avg = 0, agg_peak = 0;
- struct icc_provider *provider;
- struct icc_node *n;
- int ret, i;
-
- qn = src->data;
- provider = src->provider;
- qp = to_msm8916_provider(provider);
-
- list_for_each_entry(n, &provider->nodes, node_list)
- provider->aggregate(n, 0, n->avg_bw, n->peak_bw,
- &agg_avg, &agg_peak);
-
- sum_bw = icc_units_to_bps(agg_avg);
- max_peak_bw = icc_units_to_bps(agg_peak);
-
- /* send bandwidth request message to the RPM processor */
- if (qn->mas_rpm_id != -1) {
- ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
- RPM_BUS_MASTER_REQ,
- qn->mas_rpm_id,
- sum_bw);
- if (ret) {
- pr_err("qcom_icc_rpm_smd_send mas %d error %d\n",
- qn->mas_rpm_id, ret);
- return ret;
- }
- }
-
- if (qn->slv_rpm_id != -1) {
- ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
- RPM_BUS_SLAVE_REQ,
- qn->slv_rpm_id,
- sum_bw);
- if (ret) {
- pr_err("qcom_icc_rpm_smd_send slv error %d\n",
- ret);
- return ret;
- }
- }
-
- rate = max(sum_bw, max_peak_bw);
-
- do_div(rate, qn->buswidth);
-
- if (qn->rate == rate)
- return 0;
-
- for (i = 0; i < qp->num_clks; i++) {
- ret = clk_set_rate(qp->bus_clks[i].clk, rate);
- if (ret) {
- pr_err("%s clk_set_rate error: %d\n",
- qp->bus_clks[i].id, ret);
- return ret;
- }
- }
-
- qn->rate = rate;
-
- return 0;
-}
-
static int msm8916_qnoc_probe(struct platform_device *pdev)
{
- const struct msm8916_icc_desc *desc;
- struct msm8916_icc_node **qnodes;
- struct msm8916_icc_provider *qp;
- struct device *dev = &pdev->dev;
- struct icc_onecell_data *data;
- struct icc_provider *provider;
- struct icc_node *node;
- size_t num_nodes, i;
- int ret;
-
- /* wait for the RPM proxy */
- if (!qcom_icc_rpm_smd_available())
- return -EPROBE_DEFER;
-
- desc = of_device_get_match_data(dev);
- if (!desc)
- return -EINVAL;
-
- qnodes = desc->nodes;
- num_nodes = desc->num_nodes;
-
- qp = devm_kzalloc(dev, sizeof(*qp), GFP_KERNEL);
- if (!qp)
- return -ENOMEM;
-
- data = devm_kzalloc(dev, struct_size(data, nodes, num_nodes),
- GFP_KERNEL);
- if (!data)
- return -ENOMEM;
-
- qp->bus_clks = devm_kmemdup(dev, msm8916_bus_clocks,
- sizeof(msm8916_bus_clocks), GFP_KERNEL);
- if (!qp->bus_clks)
- return -ENOMEM;
-
- qp->num_clks = ARRAY_SIZE(msm8916_bus_clocks);
- ret = devm_clk_bulk_get(dev, qp->num_clks, qp->bus_clks);
- if (ret)
- return ret;
-
- ret = clk_bulk_prepare_enable(qp->num_clks, qp->bus_clks);
- if (ret)
- return ret;
-
- provider = &qp->provider;
- INIT_LIST_HEAD(&provider->nodes);
- provider->dev = dev;
- provider->set = msm8916_icc_set;
- provider->aggregate = icc_std_aggregate;
- provider->xlate = of_icc_xlate_onecell;
- provider->data = data;
-
- ret = icc_provider_add(provider);
- if (ret) {
- dev_err(dev, "error adding interconnect provider: %d\n", ret);
- clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
- return ret;
- }
-
- for (i = 0; i < num_nodes; i++) {
- size_t j;
-
- node = icc_node_create(qnodes[i]->id);
- if (IS_ERR(node)) {
- ret = PTR_ERR(node);
- goto err;
- }
-
- node->name = qnodes[i]->name;
- node->data = qnodes[i];
- icc_node_add(node, provider);
-
- for (j = 0; j < qnodes[i]->num_links; j++)
- icc_link_create(node, qnodes[i]->links[j]);
-
- data->nodes[i] = node;
- }
- data->num_nodes = num_nodes;
-
- platform_set_drvdata(pdev, qp);
-
- return 0;
-
-err:
- icc_nodes_remove(provider);
- icc_provider_del(provider);
- clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
-
- return ret;
-}
-
-static int msm8916_qnoc_remove(struct platform_device *pdev)
-{
- struct msm8916_icc_provider *qp = platform_get_drvdata(pdev);
-
- icc_nodes_remove(&qp->provider);
- clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks);
- return icc_provider_del(&qp->provider);
+ return qnoc_probe(pdev, sizeof(msm8916_bus_clocks),
+ ARRAY_SIZE(msm8916_bus_clocks), msm8916_bus_clocks);
}
static const struct of_device_id msm8916_noc_of_match[] = {
@@ -542,7 +321,7 @@ MODULE_DEVICE_TABLE(of, msm8916_noc_of_match);
static struct platform_driver msm8916_noc_driver = {
.probe = msm8916_qnoc_probe,
- .remove = msm8916_qnoc_remove,
+ .remove = qnoc_remove,
.driver = {
.name = "qnoc-msm8916",
.of_match_table = msm8916_noc_of_match,
--
2.17.1
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