Re: [PATCH 1/5] interconnect: qcom: sdm660: Commonize RPM-QoS

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On Fri, Jul 30 2021 at 17:39:31 +0400, AngeloGioacchino Del Regno 
<angelogioacchino.delregno@xxxxxxxxxxxxxx> wrote:
> Il 30/07/21 14:06, Yassine Oudjana ha scritto:
>>  SoCs such as MSM8996 also control bus QoS in a similar fashion to 
>> SDM660,
>>  with some paths being controlled by RPM and others directly by the 
>> AP.
>>  Move relevant functions and defines to a new object so that they 
>> can be used
>>  in multiple drivers.
>> 
>>  Signed-off-by: Yassine Oudjana <y.oudjana@xxxxxxxxxxxxxx>
> 
> Hello Yassine,
> thanks for the patch! However, I think there are a few things to 
> improve:
> 
>>  ---
>>    drivers/interconnect/qcom/Kconfig       |   5 +-
>>    drivers/interconnect/qcom/Makefile      |   2 +
>>    drivers/interconnect/qcom/icc-rpm-qos.c | 237 ++++++++++++++++
>>    drivers/interconnect/qcom/icc-rpm-qos.h | 133 +++++++++
>>    drivers/interconnect/qcom/icc-rpmh.c    |   6 +-
>>    drivers/interconnect/qcom/icc-rpmh.h    |   2 +-
>>    drivers/interconnect/qcom/sc7180.c      |   2 +-
>>    drivers/interconnect/qcom/sc7280.c      |   2 +-
>>    drivers/interconnect/qcom/sdm660.c      | 346 
>> +-----------------------
>>    drivers/interconnect/qcom/sdm845.c      |   2 +-
>>    drivers/interconnect/qcom/sdx55.c       |   2 +-
>>    drivers/interconnect/qcom/sm8150.c      |   2 +-
>>    drivers/interconnect/qcom/sm8250.c      |   2 +-
>>    drivers/interconnect/qcom/sm8350.c      |   2 +-
>>    14 files changed, 391 insertions(+), 354 deletions(-)
>>    create mode 100644 drivers/interconnect/qcom/icc-rpm-qos.c
>>    create mode 100644 drivers/interconnect/qcom/icc-rpm-qos.h
>> 
>>  diff --git a/drivers/interconnect/qcom/Kconfig 
>> b/drivers/interconnect/qcom/Kconfig
>>  index 0d7a2500d0b8..ad16224f1720 100644
>>  --- a/drivers/interconnect/qcom/Kconfig
>>  +++ b/drivers/interconnect/qcom/Kconfig
>>  @@ -87,7 +87,7 @@ config INTERCONNECT_QCOM_SDM660
>>    	tristate "Qualcomm SDM660 interconnect driver"
>>    	depends on INTERCONNECT_QCOM
>>    	depends on QCOM_SMD_RPM
>>  -	select INTERCONNECT_QCOM_SMD_RPM
>>  +	select INTERCONNECT_QCOM_SMD_RPM_QOS
>>    	help
>>    	  This is a driver for the Qualcomm Network-on-Chip on 
>> sdm660-based
>>    	  platforms.
>>  @@ -139,3 +139,6 @@ config INTERCONNECT_QCOM_SM8350
>> 
>>    config INTERCONNECT_QCOM_SMD_RPM
>>    	tristate
>>  +
>>  +config INTERCONNECT_QCOM_SMD_RPM_QOS
>>  +	tristate
>>  diff --git a/drivers/interconnect/qcom/Makefile 
>> b/drivers/interconnect/qcom/Makefile
>>  index 2880129a6fe4..2d04d024f46e 100644
>>  --- a/drivers/interconnect/qcom/Makefile
>>  +++ b/drivers/interconnect/qcom/Makefile
>>  @@ -16,6 +16,7 @@ qnoc-sm8150-objs			:= sm8150.o
>>    qnoc-sm8250-objs			:= sm8250.o
>>    qnoc-sm8350-objs			:= sm8350.o
>>    icc-smd-rpm-objs			:= smd-rpm.o icc-rpm.o
>>  +icc-smd-rpm-qos-objs			:= smd-rpm.o icc-rpm-qos.o
>> 
>>    obj-$(CONFIG_INTERCONNECT_QCOM_BCM_VOTER) += icc-bcm-voter.o
>>    obj-$(CONFIG_INTERCONNECT_QCOM_MSM8916) += qnoc-msm8916.o
>>  @@ -33,3 +34,4 @@ obj-$(CONFIG_INTERCONNECT_QCOM_SM8150) += 
>> qnoc-sm8150.o
>>    obj-$(CONFIG_INTERCONNECT_QCOM_SM8250) += qnoc-sm8250.o
>>    obj-$(CONFIG_INTERCONNECT_QCOM_SM8350) += qnoc-sm8350.o
>>    obj-$(CONFIG_INTERCONNECT_QCOM_SMD_RPM) += icc-smd-rpm.o
>>  +obj-$(CONFIG_INTERCONNECT_QCOM_SMD_RPM_QOS) += icc-smd-rpm-qos.o
>>  diff --git a/drivers/interconnect/qcom/icc-rpm-qos.c 
>> b/drivers/interconnect/qcom/icc-rpm-qos.c
>>  new file mode 100644
>>  index 000000000000..678b347375d8
>>  --- /dev/null
>>  +++ b/drivers/interconnect/qcom/icc-rpm-qos.c
>>  @@ -0,0 +1,237 @@
>>  +/* SPDX-License-Identifier: GPL-2.0 */
>>  +/*
>>  + * Copyright (C) 2020, AngeloGioacchino Del Regno 
>> <kholk11@xxxxxxxxx>
>>  + */
>>  +
>>  +#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/regmap.h>
>>  +#include <linux/slab.h>
>>  +
>>  +#include "smd-rpm.h"
>>  +#include "icc-rpm-qos.h"
>>  +
>>  +static int qcom_icc_bimc_set_qos_health(struct regmap *rmap,
>>  +					struct qcom_icc_qos *qos,
>>  +					int regnum)
>>  +{
>>  +	u32 val;
>>  +	u32 mask;
>>  +
>>  +	val = qos->prio_level;
>>  +	mask = M_BKE_HEALTH_CFG_PRIOLVL_MASK;
>>  +
>>  +	val |= qos->areq_prio << M_BKE_HEALTH_CFG_AREQPRIO_SHIFT;
>>  +	mask |= M_BKE_HEALTH_CFG_AREQPRIO_MASK;
>>  +
>>  +	/* LIMITCMDS is not present on M_BKE_HEALTH_3 */
>>  +	if (regnum != 3) {
>>  +		val |= qos->limit_commands << M_BKE_HEALTH_CFG_LIMITCMDS_SHIFT;
>>  +		mask |= M_BKE_HEALTH_CFG_LIMITCMDS_MASK;
>>  +	}
>>  +
>>  +	return regmap_update_bits(rmap,
>>  +				  M_BKE_HEALTH_CFG_ADDR(regnum, qos->qos_port),
>>  +				  mask, val);
>>  +}
>>  +
>>  +static int qcom_icc_set_bimc_qos(struct icc_node *src, u64 max_bw,
>>  +				 bool bypass_mode)
>>  +{
>>  +	struct qcom_icc_provider *qp;
>>  +	struct qcom_icc_node *qn;
>>  +	struct icc_provider *provider;
>>  +	u32 mode = NOC_QOS_MODE_BYPASS;
>>  +	u32 val = 0;
>>  +	int i, rc = 0;
>>  +
>>  +	qn = src->data;
>>  +	provider = src->provider;
>>  +	qp = to_qcom_provider(provider);
>>  +
>>  +	if (qn->qos.qos_mode != -1)
>>  +		mode = qn->qos.qos_mode;
>>  +
>>  +	/* QoS Priority: The QoS Health parameters are getting considered
>>  +	 * only if we are NOT in Bypass Mode.
>>  +	 */
>>  +	if (mode != NOC_QOS_MODE_BYPASS) {
>>  +		for (i = 3; i >= 0; i--) {
>>  +			rc = qcom_icc_bimc_set_qos_health(qp->regmap,
>>  +							  &qn->qos, i);
>>  +			if (rc)
>>  +				return rc;
>>  +		}
>>  +
>>  +		/* Set BKE_EN to 1 when Fixed, Regulator or Limiter Mode */
>>  +		val = 1;
>>  +	}
>>  +
>>  +	return regmap_update_bits(qp->regmap, 
>> M_BKE_EN_ADDR(qn->qos.qos_port),
>>  +				  M_BKE_EN_EN_BMASK, val);
>>  +}
>>  +
>>  +static int qcom_icc_noc_set_qos_priority(struct regmap *rmap,
>>  +					 struct qcom_icc_qos *qos)
>>  +{
>>  +	u32 val;
>>  +	int rc;
>>  +
>>  +	/* Must be updated one at a time, P1 first, P0 last */
>>  +	val = qos->areq_prio << NOC_QOS_PRIORITY_P1_SHIFT;
>>  +	rc = regmap_update_bits(rmap, 
>> NOC_QOS_PRIORITYn_ADDR(qos->qos_port),
>>  +				NOC_QOS_PRIORITY_MASK, val);
>>  +	if (rc)
>>  +		return rc;
>>  +
>>  +	val = qos->prio_level << NOC_QOS_PRIORITY_P0_SHIFT;
>>  +	return regmap_update_bits(rmap, 
>> NOC_QOS_PRIORITYn_ADDR(qos->qos_port),
>>  +				  NOC_QOS_PRIORITY_MASK, val);
>>  +}
>>  +
>>  +static int qcom_icc_set_noc_qos(struct icc_node *src, u64 max_bw)
>>  +{
>>  +	struct qcom_icc_provider *qp;
>>  +	struct qcom_icc_node *qn;
>>  +	struct icc_provider *provider;
>>  +	u32 mode = NOC_QOS_MODE_BYPASS;
>>  +	int rc = 0;
>>  +
>>  +	qn = src->data;
>>  +	provider = src->provider;
>>  +	qp = to_qcom_provider(provider);
>>  +
>>  +	if (qn->qos.qos_port < 0) {
>>  +		dev_dbg(src->provider->dev,
>>  +			"NoC QoS: Skipping %s: vote aggregated on parent.\n",
>>  +			qn->name);
>>  +		return 0;
>>  +	}
>>  +
>>  +	if (qn->qos.qos_mode != -1)
>>  +		mode = qn->qos.qos_mode;
>>  +
>>  +	if (mode == NOC_QOS_MODE_FIXED) {
>>  +		dev_dbg(src->provider->dev, "NoC QoS: %s: Set Fixed mode\n",
>>  +			qn->name);
>>  +		rc = qcom_icc_noc_set_qos_priority(qp->regmap, &qn->qos);
>>  +		if (rc)
>>  +			return rc;
>>  +	} else if (mode == NOC_QOS_MODE_BYPASS) {
>>  +		dev_dbg(src->provider->dev, "NoC QoS: %s: Set Bypass mode\n",
>>  +			qn->name);
>>  +	}
>>  +
>>  +	return regmap_update_bits(qp->regmap,
>>  +				  NOC_QOS_MODEn_ADDR(qn->qos.qos_port),
>>  +				  NOC_QOS_MODEn_MASK, mode);
>>  +}
>>  +
>>  +static int qcom_icc_qos_set(struct icc_node *node, u64 sum_bw)
>>  +{
>>  +	struct qcom_icc_provider *qp = to_qcom_provider(node->provider);
>>  +	struct qcom_icc_node *qn = node->data;
>>  +
>>  +	dev_dbg(node->provider->dev, "Setting QoS for %s\n", qn->name);
>>  +
>>  +	if (qp->is_bimc_node)
>>  +		return qcom_icc_set_bimc_qos(node, sum_bw,
>>  +				(qn->qos.qos_mode == NOC_QOS_MODE_BYPASS));
>>  +
>>  +	return qcom_icc_set_noc_qos(node, sum_bw);
>>  +}
>>  +
>>  +static int qcom_icc_rpm_set(int mas_rpm_id, int slv_rpm_id, u64 
>> sum_bw)
>>  +{
>>  +	int ret = 0;
>>  +
>>  +	if (mas_rpm_id != -1) {
>>  +		ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
>>  +					    RPM_BUS_MASTER_REQ,
>>  +					    mas_rpm_id,
>>  +					    sum_bw);
>>  +		if (ret) {
>>  +			pr_err("qcom_icc_rpm_smd_send mas %d error %d\n",
>>  +			       mas_rpm_id, ret);
>>  +			return ret;
>>  +		}
>>  +	}
>>  +
>>  +	if (slv_rpm_id != -1) {
>>  +		ret = qcom_icc_rpm_smd_send(QCOM_SMD_RPM_ACTIVE_STATE,
>>  +					    RPM_BUS_SLAVE_REQ,
>>  +					    slv_rpm_id,
>>  +					    sum_bw);
>>  +		if (ret) {
>>  +			pr_err("qcom_icc_rpm_smd_send slv %d error %d\n",
>>  +			       slv_rpm_id, ret);
>>  +			return ret;
>>  +		}
>>  +	}
>>  +
>>  +	return ret;
>>  +}
>>  +
>>  +int qcom_icc_rpm_qos_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);
>>  +
>>  +	if (!qn->qos.ap_owned) {
>>  +		/* send bandwidth request message to the RPM processor */
>>  +		ret = qcom_icc_rpm_set(qn->mas_rpm_id, qn->slv_rpm_id, sum_bw);
>>  +		if (ret)
>>  +			return ret;
>>  +	} else if (qn->qos.qos_mode != -1) {
>>  +		/* set bandwidth directly from the AP */
>>  +		ret = qcom_icc_qos_set(src, sum_bw);
>>  +		if (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;
>>  +}
>>  +EXPORT_SYMBOL_GPL(qcom_icc_rpm_qos_set);
>>  diff --git a/drivers/interconnect/qcom/icc-rpm-qos.h 
>> b/drivers/interconnect/qcom/icc-rpm-qos.h
>>  new file mode 100644
>>  index 000000000000..625ac5f84ebc
>>  --- /dev/null
>>  +++ b/drivers/interconnect/qcom/icc-rpm-qos.h
>>  @@ -0,0 +1,133 @@
>>  +/* SPDX-License-Identifier: GPL-2.0 */
>>  +/*
>>  + * Copyright (C) 2020, AngeloGioacchino Del Regno 
>> <kholk11@xxxxxxxxx>
>>  + */
>>  +
>>  +#ifndef __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_QOS_H__
>>  +#define __DRIVERS_INTERCONNECT_QCOM_ICC_RPM_QOS_H__
>>  +
>>  +#define RPM_BUS_MASTER_REQ	0x73616d62
>>  +#define RPM_BUS_SLAVE_REQ	0x766c7362
>>  +
>>  +/* BIMC QoS */
>>  +#define M_BKE_REG_BASE(n)		(0x300 + (0x4000 * n))
>>  +#define M_BKE_EN_ADDR(n)		(M_BKE_REG_BASE(n))
>>  +#define M_BKE_HEALTH_CFG_ADDR(i, n)	(M_BKE_REG_BASE(n) + 0x40 + 
>> (0x4 * i))
>>  +
>>  +#define M_BKE_HEALTH_CFG_LIMITCMDS_MASK	0x80000000
>>  +#define M_BKE_HEALTH_CFG_AREQPRIO_MASK	0x300
>>  +#define M_BKE_HEALTH_CFG_PRIOLVL_MASK	0x3
>>  +#define M_BKE_HEALTH_CFG_AREQPRIO_SHIFT	0x8
>>  +#define M_BKE_HEALTH_CFG_LIMITCMDS_SHIFT 0x1f
>>  +
>>  +#define M_BKE_EN_EN_BMASK		0x1
>>  +
>>  +/* Valid for both NoC and BIMC */
>>  +#define NOC_QOS_MODE_FIXED		0x0
>>  +#define NOC_QOS_MODE_LIMITER		0x1
>>  +#define NOC_QOS_MODE_BYPASS		0x2
>>  +
>>  +/* NoC QoS */
>>  +#define NOC_PERM_MODE_FIXED		1
>>  +#define NOC_PERM_MODE_BYPASS		(1 << NOC_QOS_MODE_BYPASS)
>>  +
>>  +#define NOC_QOS_PRIORITYn_ADDR(n)	(0x8 + (n * 0x1000))
>>  +#define NOC_QOS_PRIORITY_MASK		0xf
>>  +#define NOC_QOS_PRIORITY_P1_SHIFT	0x2
>>  +#define NOC_QOS_PRIORITY_P0_SHIFT	0x3
>>  +
>>  +#define NOC_QOS_MODEn_ADDR(n)		(0xc + (n * 0x1000))
>>  +#define NOC_QOS_MODEn_MASK		0x3
>>  +
>>  +#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
>>  + * @is_bimc_node: indicates whether to use bimc specific setting
>>  + * @regmap: regmap for QoS registers read/write access
>>  + * @mmio: NoC base iospace
>>  + */
>>  +struct qcom_icc_provider {
>>  +	struct icc_provider provider;
>>  +	struct clk_bulk_data *bus_clks;
>>  +	int num_clks;
>>  +	bool is_bimc_node;
>>  +	struct regmap *regmap;
>>  +	void __iomem *mmio;
>>  +};
>>  +
>>  +/**
>>  + * struct qcom_icc_qos - Qualcomm specific interconnect QoS 
>> parameters
>>  + * @areq_prio: node requests priority
>>  + * @prio_level: priority level for bus communication
>>  + * @limit_commands: activate/deactivate limiter mode during runtime
>>  + * @ap_owned: indicates if the node is owned by the AP or by the 
>> RPM
>>  + * @qos_mode: default qos mode for this node
>>  + * @qos_port: qos port number for finding qos registers of this 
>> node
>>  + */
>>  +struct qcom_icc_qos {
>>  +	u32 areq_prio;
>>  +	u32 prio_level;
>>  +	bool limit_commands;
>>  +	bool ap_owned;
>>  +	int qos_mode;
>>  +	int qos_port;
>>  +};
>>  +
>>  +/**
>>  + * 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
>>  + * @qos: NoC QoS setting parameters
>>  + * @rate: current bus clock rate in Hz
>>  + */
>>  +
>>  +#define MAX_LINKS	38
>>  +
>>  +struct qcom_icc_node {
>>  +	unsigned char *name;
>>  +	u16 id;
>>  +	u16 links[MAX_LINKS];
>>  +	u16 num_links;
>>  +	u16 buswidth;
>>  +	int mas_rpm_id;
>>  +	int slv_rpm_id;
>>  +	struct qcom_icc_qos qos;
>>  +	u64 rate;
>>  +};
>>  +
>>  +struct qcom_icc_desc {
>>  +	struct qcom_icc_node **nodes;
>>  +	size_t num_nodes;
>>  +	const struct regmap_config *regmap_cfg;
>>  +};
>>  +
>>  +#define DEFINE_QNODE(_name, _id, _buswidth, _mas_rpm_id, 
>> _slv_rpm_id,	\
>>  +		     _ap_owned, _qos_mode, _qos_prio, _qos_port, ...)	\
>>  +		static struct qcom_icc_node _name = {			\
>>  +		.name = #_name,						\
>>  +		.id = _id,						\
>>  +		.buswidth = _buswidth,					\
>>  +		.mas_rpm_id = _mas_rpm_id,				\
>>  +		.slv_rpm_id = _slv_rpm_id,				\
>>  +		.qos.ap_owned = _ap_owned,				\
>>  +		.qos.qos_mode = _qos_mode,				\
>>  +		.qos.areq_prio = _qos_prio,				\
>>  +		.qos.prio_level = _qos_prio,				\
>>  +		.qos.qos_port = _qos_port,				\
>>  +		.num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })),	\
>>  +		.links = { __VA_ARGS__ },				\
>>  +	}
>>  +
>>  +int qcom_icc_rpm_qos_set(struct icc_node *src, struct icc_node 
>> *dst);
>>  +
>>  +#endif
>>  diff --git a/drivers/interconnect/qcom/icc-rpmh.c 
>> b/drivers/interconnect/qcom/icc-rpmh.c
>>  index bf01d09dba6c..6f93273109a3 100644
>>  --- a/drivers/interconnect/qcom/icc-rpmh.c
>>  +++ b/drivers/interconnect/qcom/icc-rpmh.c
>>  @@ -70,13 +70,13 @@ int qcom_icc_aggregate(struct icc_node *node, 
>> u32 tag, u32 avg_bw,
>>    EXPORT_SYMBOL_GPL(qcom_icc_aggregate);
>> 
>>    /**
>>  - * qcom_icc_set - set the constraints based on path
>>  + * qcom_icc_rpmh_set - set the constraints based on path
>>     * @src: source node for the path to set constraints on
>>     * @dst: destination node for the path to set constraints on
>>     *
>>     * Return: 0 on success, or an error code otherwise
>>     */
>>  -int qcom_icc_set(struct icc_node *src, struct icc_node *dst)
>>  +int qcom_icc_rpmh_set(struct icc_node *src, struct icc_node *dst)
> 
> This change should be splitted to a different commit, as it is not 
> part of any
> commonization of the RPM QoS functions. This is a "global" rename, so 
> you should
> create a preparation commit for this change.
> 

Noted.

>>    {
>>    	struct qcom_icc_provider *qp;
>>    	struct qcom_icc_node *qn;
>>  @@ -99,7 +99,7 @@ int qcom_icc_set(struct icc_node *src, struct 
>> icc_node *dst)
>> 
>>    	return 0;
>>    }
>>  -EXPORT_SYMBOL_GPL(qcom_icc_set);
>>  +EXPORT_SYMBOL_GPL(qcom_icc_rpmh_set);
>> 
>>    struct icc_node_data *qcom_icc_xlate_extended(struct 
>> of_phandle_args *spec, void *data)
>>    {
>>  diff --git a/drivers/interconnect/qcom/icc-rpmh.h 
>> b/drivers/interconnect/qcom/icc-rpmh.h
>>  index e5f61ab989e7..5dc1049dc065 100644
>>  --- a/drivers/interconnect/qcom/icc-rpmh.h
>>  +++ b/drivers/interconnect/qcom/icc-rpmh.h
>>  @@ -130,7 +130,7 @@ struct qcom_icc_desc {
>> 
>>    int qcom_icc_aggregate(struct icc_node *node, u32 tag, u32 avg_bw,
>>    		       u32 peak_bw, u32 *agg_avg, u32 *agg_peak);
>>  -int qcom_icc_set(struct icc_node *src, struct icc_node *dst);
>>  +int qcom_icc_rpmh_set(struct icc_node *src, struct icc_node *dst);
> 
> Same for this.
> 
>>    struct icc_node_data *qcom_icc_xlate_extended(struct 
>> of_phandle_args *spec, void *data);
>>    int qcom_icc_bcm_init(struct qcom_icc_bcm *bcm, struct device 
>> *dev);
>>    void qcom_icc_pre_aggregate(struct icc_node *node);
>>  diff --git a/drivers/interconnect/qcom/sc7180.c 
>> b/drivers/interconnect/qcom/sc7180.c
>>  index 8d9044ed18ab..40232b41c080 100644
>>  --- a/drivers/interconnect/qcom/sc7180.c
>>  +++ b/drivers/interconnect/qcom/sc7180.c
>>  @@ -532,7 +532,7 @@ static int qnoc_probe(struct platform_device 
>> *pdev)
>> 
>>    	provider = &qp->provider;
>>    	provider->dev = &pdev->dev;
>>  -	provider->set = qcom_icc_set;
>>  +	provider->set = qcom_icc_rpmh_set;
> 
> And for this ... etc :))
> 
>>    	provider->pre_aggregate = qcom_icc_pre_aggregate;
>>    	provider->aggregate = qcom_icc_aggregate;
>>    	provider->xlate_extended = qcom_icc_xlate_extended;
>>  diff --git a/drivers/interconnect/qcom/sc7280.c 
>> b/drivers/interconnect/qcom/sc7280.c
>>  index 8d1b55c3705c..b84742debc13 100644
>>  --- a/drivers/interconnect/qcom/sc7280.c
>>  +++ b/drivers/interconnect/qcom/sc7280.c
>>  @@ -1830,7 +1830,7 @@ static int qnoc_probe(struct platform_device 
>> *pdev)
>> 
>>    	provider = &qp->provider;
>>    	provider->dev = &pdev->dev;
>>  -	provider->set = qcom_icc_set;
>>  +	provider->set = qcom_icc_rpmh_set;
>>    	provider->pre_aggregate = qcom_icc_pre_aggregate;
>>    	provider->aggregate = qcom_icc_aggregate;
>>    	provider->xlate_extended = qcom_icc_xlate_extended;
>>  diff --git a/drivers/interconnect/qcom/sdm660.c 
>> b/drivers/interconnect/qcom/sdm660.c
>>  index 632dbdd21915..acd026ecd17f 100644
>>  --- a/drivers/interconnect/qcom/sdm660.c
>>  +++ b/drivers/interconnect/qcom/sdm660.c
>>  @@ -4,7 +4,6 @@
>>     * Copyright (C) 2020, AngeloGioacchino Del Regno 
>> <kholk11@xxxxxxxxx>
>>     */
>> 
>>  -#include <dt-bindings/interconnect/qcom,sdm660.h>
> 
> Why did you move this header down?
> If you have a reason, this is also not part of the RPM-QoS 
> commonization.
> 

Must have been by mistake. I tried to keep the order of things in 
msm8996.c similar to newer drivers, and I probably ended up editing 
sdm660.c as well without noticing it.

> Thanks!
> - Angelo






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