[PATCH net-next 1/7] net: ipa: kill struct ipa_interconnect

From: Alex Elder
Date: Fri Feb 04 2022 - 14:51:07 EST


The ipa_interconnect structure contains an icc_path pointer, plus an
average and peak bandwidth value. Other than the interconnect name,
this matches the icc_bulk_data structure exactly.

Use the icc_bulk_data structure in place of the ipa_interconnect
structure, and add an initialization of its name field. Then get
rid of the now unnecessary ipa_interconnect structure definition.

Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
---
drivers/net/ipa/ipa_power.c | 39 +++++++++++++------------------------
1 file changed, 14 insertions(+), 25 deletions(-)

diff --git a/drivers/net/ipa/ipa_power.c b/drivers/net/ipa/ipa_power.c
index f2989aac47a62..28be0e45cccfd 100644
--- a/drivers/net/ipa/ipa_power.c
+++ b/drivers/net/ipa/ipa_power.c
@@ -34,18 +34,6 @@

#define IPA_AUTOSUSPEND_DELAY 500 /* milliseconds */

-/**
- * struct ipa_interconnect - IPA interconnect information
- * @path: Interconnect path
- * @average_bandwidth: Average interconnect bandwidth (KB/second)
- * @peak_bandwidth: Peak interconnect bandwidth (KB/second)
- */
-struct ipa_interconnect {
- struct icc_path *path;
- u32 average_bandwidth;
- u32 peak_bandwidth;
-};
-
/**
* enum ipa_power_flag - IPA power flags
* @IPA_POWER_FLAG_RESUMED: Whether resume from suspend has been signaled
@@ -79,11 +67,11 @@ struct ipa_power {
spinlock_t spinlock; /* used with STOPPED/STARTED power flags */
DECLARE_BITMAP(flags, IPA_POWER_FLAG_COUNT);
u32 interconnect_count;
- struct ipa_interconnect *interconnect;
+ struct icc_bulk_data *interconnect;
};

static int ipa_interconnect_init_one(struct device *dev,
- struct ipa_interconnect *interconnect,
+ struct icc_bulk_data *interconnect,
const struct ipa_interconnect_data *data)
{
struct icc_path *path;
@@ -99,13 +87,14 @@ static int ipa_interconnect_init_one(struct device *dev,
}

interconnect->path = path;
- interconnect->average_bandwidth = data->average_bandwidth;
- interconnect->peak_bandwidth = data->peak_bandwidth;
+ interconnect->name = data->name;
+ interconnect->avg_bw = data->average_bandwidth;
+ interconnect->peak_bw = data->peak_bandwidth;

return 0;
}

-static void ipa_interconnect_exit_one(struct ipa_interconnect *interconnect)
+static void ipa_interconnect_exit_one(struct icc_bulk_data *interconnect)
{
icc_put(interconnect->path);
memset(interconnect, 0, sizeof(*interconnect));
@@ -115,7 +104,7 @@ static void ipa_interconnect_exit_one(struct ipa_interconnect *interconnect)
static int ipa_interconnect_init(struct ipa_power *power, struct device *dev,
const struct ipa_interconnect_data *data)
{
- struct ipa_interconnect *interconnect;
+ struct icc_bulk_data *interconnect;
u32 count;
int ret;

@@ -146,7 +135,7 @@ static int ipa_interconnect_init(struct ipa_power *power, struct device *dev,
/* Inverse of ipa_interconnect_init() */
static void ipa_interconnect_exit(struct ipa_power *power)
{
- struct ipa_interconnect *interconnect;
+ struct icc_bulk_data *interconnect;

interconnect = power->interconnect + power->interconnect_count;
while (interconnect-- > power->interconnect)
@@ -158,7 +147,7 @@ static void ipa_interconnect_exit(struct ipa_power *power)
/* Currently we only use one bandwidth level, so just "enable" interconnects */
static int ipa_interconnect_enable(struct ipa *ipa)
{
- struct ipa_interconnect *interconnect;
+ struct icc_bulk_data *interconnect;
struct ipa_power *power = ipa->power;
int ret;
u32 i;
@@ -166,12 +155,12 @@ static int ipa_interconnect_enable(struct ipa *ipa)
interconnect = power->interconnect;
for (i = 0; i < power->interconnect_count; i++) {
ret = icc_set_bw(interconnect->path,
- interconnect->average_bandwidth,
- interconnect->peak_bandwidth);
+ interconnect->avg_bw,
+ interconnect->peak_bw);
if (ret) {
dev_err(&ipa->pdev->dev,
"error %d enabling %s interconnect\n",
- ret, icc_get_name(interconnect->path));
+ ret, interconnect->name);
goto out_unwind;
}
interconnect++;
@@ -189,9 +178,9 @@ static int ipa_interconnect_enable(struct ipa *ipa)
/* To disable an interconnect, we just its bandwidth to 0 */
static int ipa_interconnect_disable(struct ipa *ipa)
{
- struct ipa_interconnect *interconnect;
struct ipa_power *power = ipa->power;
struct device *dev = &ipa->pdev->dev;
+ struct icc_bulk_data *interconnect;
int result = 0;
u32 count;
int ret;
@@ -203,7 +192,7 @@ static int ipa_interconnect_disable(struct ipa *ipa)
ret = icc_set_bw(interconnect->path, 0, 0);
if (ret) {
dev_err(dev, "error %d disabling %s interconnect\n",
- ret, icc_get_name(interconnect->path));
+ ret, interconnect->name);
/* Try to disable all; record only the first error */
if (!result)
result = ret;
--
2.32.0