diff options
| -rw-r--r-- | drivers/net/ipa/ipa_power.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/net/ipa/ipa_power.c b/drivers/net/ipa/ipa_power.c index 28be0e45cccf..ec2ebc74edb8 100644 --- a/drivers/net/ipa/ipa_power.c +++ b/drivers/net/ipa/ipa_power.c @@ -75,17 +75,29 @@ static int ipa_interconnect_init_one(struct device *dev, const struct ipa_interconnect_data *data) { struct icc_path *path; + int ret; path = of_icc_get(dev, data->name); if (IS_ERR(path)) { - int ret = PTR_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->name = data->name; interconnect->avg_bw = data->average_bandwidth; @@ -154,9 +166,7 @@ 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->avg_bw, - interconnect->peak_bw); + ret = icc_enable(interconnect->path); if (ret) { dev_err(&ipa->pdev->dev, "error %d enabling %s interconnect\n", @@ -170,7 +180,7 @@ static int ipa_interconnect_enable(struct ipa *ipa) out_unwind: while (interconnect-- > power->interconnect) - (void)icc_set_bw(interconnect->path, 0, 0); + (void)icc_disable(interconnect->path); return ret; } @@ -189,7 +199,7 @@ static int ipa_interconnect_disable(struct ipa *ipa) interconnect = power->interconnect + count; while (count--) { interconnect--; - ret = icc_set_bw(interconnect->path, 0, 0); + ret = icc_disable(interconnect->path); if (ret) { dev_err(dev, "error %d disabling %s interconnect\n", ret, interconnect->name); |