diff options
| author | Kristofer Jonsson <kristofer.jonsson@arm.com> | 2022-03-14 16:09:12 +0100 |
|---|---|---|
| committer | Kristofer Jonsson <kristofer.jonsson@arm.com> | 2022-03-23 13:16:25 +0100 |
| commit | f5b98c965c51def4f63d7fb198f70180e195b2e8 (patch) | |
| tree | d8457be3deed68b1c729b998c0720e9a5a63ecd9 /kernel/ethosu_network_info.c | |
| parent | 3c6a260a705a668b5ff8e8159f04c257273fb458 (diff) | |
| download | ethos-u-linux-driver-stack-f5b98c965c51def4f63d7fb198f70180e195b2e8.tar.gz | |
Kernel watchdog timeout
Implement kernel watchdog that detects when firmware becomes
unresponsive.
Change-Id: I5c5b58a56a2ce629e1fd7cabae83b61823239ea6
Diffstat (limited to 'kernel/ethosu_network_info.c')
| -rw-r--r-- | kernel/ethosu_network_info.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/kernel/ethosu_network_info.c b/kernel/ethosu_network_info.c index 2b1f841..24be677 100644 --- a/kernel/ethosu_network_info.c +++ b/kernel/ethosu_network_info.c @@ -47,6 +47,24 @@ static void ethosu_network_info_destroy(struct kref *kref) devm_kfree(info->edev->dev, info); } +static int ethosu_network_info_send(struct ethosu_network_info *info) +{ + int ret; + + /* Send network info request to firmware */ + ret = ethosu_mailbox_network_info_request(&info->edev->mailbox, + info, + info->net->buf, + info->net->index); + if (ret) + return ret; + + /* Increase reference count for the pending network info response */ + ethosu_network_info_get(info); + + return 0; +} + struct ethosu_network_info *ethosu_network_info_create( struct ethosu_device *edev, struct ethosu_network *net, @@ -71,17 +89,10 @@ struct ethosu_network_info *ethosu_network_info_create( /* Get reference to network */ ethosu_network_get(net); - /* Send network info request to firmware */ - ret = ethosu_mailbox_network_info_request(&info->edev->mailbox, - info, - info->net->buf, - info->net->index); + ret = ethosu_network_info_send(info); if (ret) goto put_info; - /* Increase reference count for the pending network info response */ - ethosu_network_info_get(info); - dev_info(edev->dev, "Network info create. handle=%p\n", info); return info; |