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Commit decf75e6 authored by Lakshit Tyagi's avatar Lakshit Tyagi Committed by Gerrit - the friendly Code Review server
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net: aquantia: Adding wake locks 



Add wake locks to prevent A7 from going into suspend.

Change-Id: I46384d957593a461fdd3b24830bd27b19cad3425
Signed-off-by: default avatarLakshit Tyagi <ltyagi@codeaurora.org>
parent f2938623

drivers/net/ethernet/aquantia/atlantic-fwd/atl_ipa.c

+14 −0
Original line number Diff line number Diff line
@@ -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;