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Merge "net: aquantia: Adding wake locks"

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qctecmdr 2021-02-15 10:09:54 -08:00 • committed by Gerrit - the friendly Code Review server
commit 471c9e93fa
1 changed files with 14 additions and 0 deletions
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14
drivers/net/ethernet/aquantia/atlantic-fwd/atl_ipa.c
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@ -7,6 +7,7 @@
#include <linux/gfp.h>
#include <linux/slab.h>
#include <linux/pm_wakeup.h>
#include <linux/ipa_eth.h>
#include <linux/etherdevice.h>
@ -103,6 +104,7 @@ struct aqo_device {
union aqc_ipa_eth_hdr hdr_v4;
union aqc_ipa_eth_hdr hdr_v6;
struct wakeup_source *ws;
phys_addr_t mmio_phys_addr;
unsigned long long exception_packets;
};
@ -1022,6 +1024,13 @@ static int atl_ipa_open_device(struct ipa_eth_device *eth_dev)
if (!aqo_dev)
return -ENOMEM;
aqo_dev->ws = wakeup_source_register(eth_dev->dev, "aqc-ipa");
if (!aqo_dev->ws) {
aqo_log_err(aqo_dev, "Error in initializing wake up source\n");
kfree(aqo_dev);
return -ENOMEM;
}
aqo_dev->eth_client.inst_id = AQC_IPA_INST_ID;
aqo_dev->eth_client.client_type = IPA_ETH_CLIENT_AQC107;
aqo_dev->eth_client.traffic_type = IPA_ETH_PIPE_BEST_EFFORT;
@ -1031,6 +1040,8 @@ static int atl_ipa_open_device(struct ipa_eth_device *eth_dev)
eth_dev->net_dev = nic->ndev;
aqo_dev->eth_dev = eth_dev;
__pm_stay_awake(aqo_dev->ws);
return 0;
}
@ -1038,6 +1049,9 @@ static void atl_ipa_close_device(struct ipa_eth_device *eth_dev)
{
struct aqo_device *aqo_dev = eth_dev->od_priv;
__pm_relax(aqo_dev->ws);
wakeup_source_unregister(aqo_dev->ws);
eth_dev->od_priv = NULL;
eth_dev->net_dev = NULL;