[PATCH v2 2/6] interconnect: icc-rpm: Define ICC device type

From: Shawn Guo
Date: Mon Nov 22 2021 - 03:51:45 EST


The driver currently uses .is_bimc_node to distinguish device type BIMC
from NOC. Define type for bus/noc devices like what downstream[1] does
to make support for more types easier.

[1] https://source.codeaurora.org/quic/la/kernel/msm-4.19/tree/drivers/soc/qcom/msm_bus/msm_bus_core.h?h=kernel.lnx.4.19.r22-rel#n46

Signed-off-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
---
drivers/interconnect/qcom/icc-rpm.c | 4 ++--
drivers/interconnect/qcom/icc-rpm.h | 11 ++++++++---
drivers/interconnect/qcom/msm8916.c | 4 +++-
drivers/interconnect/qcom/msm8939.c | 5 ++++-
drivers/interconnect/qcom/sdm660.c | 7 ++++++-
5 files changed, 23 insertions(+), 8 deletions(-)

diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c
index 35888721a690..264a9399fb28 100644
--- a/drivers/interconnect/qcom/icc-rpm.c
+++ b/drivers/interconnect/qcom/icc-rpm.c
@@ -163,7 +163,7 @@ static int qcom_icc_qos_set(struct icc_node *node, u64 sum_bw)

dev_dbg(node->provider->dev, "Setting QoS for %s\n", qn->name);

- if (qp->is_bimc_node)
+ if (qp->type == QCOM_ICC_BIMC)
return qcom_icc_set_bimc_qos(node, sum_bw);

return qcom_icc_set_noc_qos(node, sum_bw);
@@ -307,7 +307,7 @@ int qnoc_probe(struct platform_device *pdev)
qp->bus_clks[i].id = cds[i];
qp->num_clks = cd_num;

- qp->is_bimc_node = desc->is_bimc_node;
+ qp->type = desc->type;
qp->qos_offset = desc->qos_offset;

if (desc->regmap_cfg) {
diff --git a/drivers/interconnect/qcom/icc-rpm.h b/drivers/interconnect/qcom/icc-rpm.h
index f5744de4da19..d8e77ce7fe06 100644
--- a/drivers/interconnect/qcom/icc-rpm.h
+++ b/drivers/interconnect/qcom/icc-rpm.h
@@ -12,19 +12,24 @@
#define to_qcom_provider(_provider) \
container_of(_provider, struct qcom_icc_provider, provider)

+enum qcom_icc_type {
+ QCOM_ICC_NOC,
+ QCOM_ICC_BIMC,
+};
+
/**
* 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
+ * @type: the ICC provider type
* @qos_offset: offset to QoS registers
* @regmap: regmap for QoS registers read/write access
*/
struct qcom_icc_provider {
struct icc_provider provider;
int num_clks;
- bool is_bimc_node;
+ enum qcom_icc_type type;
struct regmap *regmap;
unsigned int qos_offset;
struct clk_bulk_data bus_clks[];
@@ -77,7 +82,7 @@ struct qcom_icc_desc {
size_t num_nodes;
const char * const *clocks;
size_t num_clocks;
- bool is_bimc_node;
+ enum qcom_icc_type type;
const struct regmap_config *regmap_cfg;
unsigned int qos_offset;
};
diff --git a/drivers/interconnect/qcom/msm8916.c b/drivers/interconnect/qcom/msm8916.c
index e3c995b11357..2f397a7c3322 100644
--- a/drivers/interconnect/qcom/msm8916.c
+++ b/drivers/interconnect/qcom/msm8916.c
@@ -1229,6 +1229,7 @@ static const struct regmap_config msm8916_snoc_regmap_config = {
};

static struct qcom_icc_desc msm8916_snoc = {
+ .type = QCOM_ICC_NOC,
.nodes = msm8916_snoc_nodes,
.num_nodes = ARRAY_SIZE(msm8916_snoc_nodes),
.regmap_cfg = &msm8916_snoc_regmap_config,
@@ -1256,9 +1257,9 @@ static const struct regmap_config msm8916_bimc_regmap_config = {
};

static struct qcom_icc_desc msm8916_bimc = {
+ .type = QCOM_ICC_BIMC,
.nodes = msm8916_bimc_nodes,
.num_nodes = ARRAY_SIZE(msm8916_bimc_nodes),
- .is_bimc_node = true,
.regmap_cfg = &msm8916_bimc_regmap_config,
.qos_offset = 0x8000,
};
@@ -1325,6 +1326,7 @@ static const struct regmap_config msm8916_pcnoc_regmap_config = {
};

static struct qcom_icc_desc msm8916_pcnoc = {
+ .type = QCOM_ICC_NOC,
.nodes = msm8916_pcnoc_nodes,
.num_nodes = ARRAY_SIZE(msm8916_pcnoc_nodes),
.regmap_cfg = &msm8916_pcnoc_regmap_config,
diff --git a/drivers/interconnect/qcom/msm8939.c b/drivers/interconnect/qcom/msm8939.c
index 16272a477bd8..d188f3636e4c 100644
--- a/drivers/interconnect/qcom/msm8939.c
+++ b/drivers/interconnect/qcom/msm8939.c
@@ -1282,6 +1282,7 @@ static const struct regmap_config msm8939_snoc_regmap_config = {
};

static struct qcom_icc_desc msm8939_snoc = {
+ .type = QCOM_ICC_NOC,
.nodes = msm8939_snoc_nodes,
.num_nodes = ARRAY_SIZE(msm8939_snoc_nodes),
.regmap_cfg = &msm8939_snoc_regmap_config,
@@ -1309,6 +1310,7 @@ static const struct regmap_config msm8939_snoc_mm_regmap_config = {
};

static struct qcom_icc_desc msm8939_snoc_mm = {
+ .type = QCOM_ICC_NOC,
.nodes = msm8939_snoc_mm_nodes,
.num_nodes = ARRAY_SIZE(msm8939_snoc_mm_nodes),
.regmap_cfg = &msm8939_snoc_mm_regmap_config,
@@ -1336,9 +1338,9 @@ static const struct regmap_config msm8939_bimc_regmap_config = {
};

static struct qcom_icc_desc msm8939_bimc = {
+ .type = QCOM_ICC_BIMC,
.nodes = msm8939_bimc_nodes,
.num_nodes = ARRAY_SIZE(msm8939_bimc_nodes),
- .is_bimc_node = true,
.regmap_cfg = &msm8939_bimc_regmap_config,
.qos_offset = 0x8000,
};
@@ -1407,6 +1409,7 @@ static const struct regmap_config msm8939_pcnoc_regmap_config = {
};

static struct qcom_icc_desc msm8939_pcnoc = {
+ .type = QCOM_ICC_NOC,
.nodes = msm8939_pcnoc_nodes,
.num_nodes = ARRAY_SIZE(msm8939_pcnoc_nodes),
.regmap_cfg = &msm8939_pcnoc_regmap_config,
diff --git a/drivers/interconnect/qcom/sdm660.c b/drivers/interconnect/qcom/sdm660.c
index 471bb88f8828..274a7139fe1a 100644
--- a/drivers/interconnect/qcom/sdm660.c
+++ b/drivers/interconnect/qcom/sdm660.c
@@ -1513,6 +1513,7 @@ static const struct regmap_config sdm660_a2noc_regmap_config = {
};

static struct qcom_icc_desc sdm660_a2noc = {
+ .type = QCOM_ICC_NOC,
.nodes = sdm660_a2noc_nodes,
.num_nodes = ARRAY_SIZE(sdm660_a2noc_nodes),
.clocks = bus_a2noc_clocks,
@@ -1540,9 +1541,9 @@ static const struct regmap_config sdm660_bimc_regmap_config = {
};

static struct qcom_icc_desc sdm660_bimc = {
+ .type = QCOM_ICC_BIMC,
.nodes = sdm660_bimc_nodes,
.num_nodes = ARRAY_SIZE(sdm660_bimc_nodes),
- .is_bimc_node = true,
.regmap_cfg = &sdm660_bimc_regmap_config,
};

@@ -1594,6 +1595,7 @@ static const struct regmap_config sdm660_cnoc_regmap_config = {
};

static struct qcom_icc_desc sdm660_cnoc = {
+ .type = QCOM_ICC_NOC,
.nodes = sdm660_cnoc_nodes,
.num_nodes = ARRAY_SIZE(sdm660_cnoc_nodes),
.regmap_cfg = &sdm660_cnoc_regmap_config,
@@ -1614,6 +1616,7 @@ static const struct regmap_config sdm660_gnoc_regmap_config = {
};

static struct qcom_icc_desc sdm660_gnoc = {
+ .type = QCOM_ICC_NOC,
.nodes = sdm660_gnoc_nodes,
.num_nodes = ARRAY_SIZE(sdm660_gnoc_nodes),
.regmap_cfg = &sdm660_gnoc_regmap_config,
@@ -1653,6 +1656,7 @@ static const struct regmap_config sdm660_mnoc_regmap_config = {
};

static struct qcom_icc_desc sdm660_mnoc = {
+ .type = QCOM_ICC_NOC,
.nodes = sdm660_mnoc_nodes,
.num_nodes = ARRAY_SIZE(sdm660_mnoc_nodes),
.clocks = bus_mm_clocks,
@@ -1689,6 +1693,7 @@ static const struct regmap_config sdm660_snoc_regmap_config = {
};

static struct qcom_icc_desc sdm660_snoc = {
+ .type = QCOM_ICC_NOC,
.nodes = sdm660_snoc_nodes,
.num_nodes = ARRAY_SIZE(sdm660_snoc_nodes),
.regmap_cfg = &sdm660_snoc_regmap_config,
--
2.17.1