[PATCH net-next 4/7] net: ipa: use bulk operations to set up interconnects

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


Use of_icc_bulk_get() and icc_bulk_put(), icc_bulk_set_bw(), and
icc_bulk_enable() and icc_bulk_disable() to initialize individual
IPA interconnects. Those functions already log messages in the
event of error so we don't need to.

Signed-off-by: Alex Elder <elder@xxxxxxxxxx>
---
drivers/net/ipa/ipa_power.c | 40 ++++++++++++++-----------------------
1 file changed, 15 insertions(+), 25 deletions(-)

diff --git a/drivers/net/ipa/ipa_power.c b/drivers/net/ipa/ipa_power.c
index 67f76e6a6ae59..c0da1274f5d67 100644
--- a/drivers/net/ipa/ipa_power.c
+++ b/drivers/net/ipa/ipa_power.c
@@ -74,41 +74,31 @@ static int ipa_interconnect_init_one(struct device *dev,
struct icc_bulk_data *interconnect,
const struct ipa_interconnect_data *data)
{
- struct icc_path *path;
int ret;

- path = of_icc_get(dev, data->name);
- if (IS_ERR(path)) {
- ret = PTR_ERR(path);
- dev_err_probe(dev, ret, "error getting %s interconnect\n",
- data->name);
-
- return ret;
- }
-
- /* All interconnects are initially disabled */
- (void)icc_disable(path);
-
- /* Set the bandwidth values to be used when enabled */
- ret = icc_set_bw(path, data->average_bandwidth, data->peak_bandwidth);
- if (ret) {
- dev_err(dev, "error %d setting %s interconnect bandwidths\n",
- ret, data->name);
-
- return ret;
- }
-
- interconnect->path = path;
+ /* interconnect->path is filled in by of_icc_bulk_get() */
interconnect->name = data->name;
interconnect->avg_bw = data->average_bandwidth;
interconnect->peak_bw = data->peak_bandwidth;

- return 0;
+ ret = of_icc_bulk_get(dev, 1, interconnect);
+ if (ret)
+ return ret;
+
+ /* All interconnects are initially disabled */
+ icc_bulk_disable(1, interconnect);
+
+ /* Set the bandwidth values to be used when enabled */
+ ret = icc_bulk_set_bw(1, interconnect);
+ if (ret)
+ icc_bulk_put(1, interconnect);
+
+ return ret;
}

static void ipa_interconnect_exit_one(struct icc_bulk_data *interconnect)
{
- icc_put(interconnect->path);
+ icc_bulk_put(1, interconnect);
memset(interconnect, 0, sizeof(*interconnect));
}

--
2.32.0