diff options
Diffstat (limited to 'drivers/net/benet')
| -rw-r--r-- | drivers/net/benet/be.h | 2 | ||||
| -rw-r--r-- | drivers/net/benet/be_cmds.c | 75 | ||||
| -rw-r--r-- | drivers/net/benet/be_main.c | 2 | 
3 files changed, 47 insertions, 32 deletions
| diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h index 4594a28b1f66..d64313b7090e 100644 --- a/drivers/net/benet/be.h +++ b/drivers/net/benet/be.h @@ -234,7 +234,7 @@ struct be_adapter {  	u8 __iomem *db;		/* Door Bell */  	u8 __iomem *pcicfg;	/* PCI config space */ -	spinlock_t mbox_lock;	/* For serializing mbox cmds to BE card */ +	struct mutex mbox_lock; /* For serializing mbox cmds to BE card */  	struct be_dma_mem mbox_mem;  	/* Mbox mem is adjusted to align to 16 bytes. The allocated addr  	 * is stored for freeing purpose */ diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c index e4465d222a7d..1c8c79c9d214 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -462,7 +462,8 @@ int be_cmd_fw_init(struct be_adapter *adapter)  	u8 *wrb;  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = (u8 *)wrb_from_mbox(adapter);  	*wrb++ = 0xFF; @@ -476,7 +477,7 @@ int be_cmd_fw_init(struct be_adapter *adapter)  	status = be_mbox_notify_wait(adapter); -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -491,7 +492,8 @@ int be_cmd_fw_clean(struct be_adapter *adapter)  	if (adapter->eeh_err)  		return -EIO; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = (u8 *)wrb_from_mbox(adapter);  	*wrb++ = 0xFF; @@ -505,7 +507,7 @@ int be_cmd_fw_clean(struct be_adapter *adapter)  	status = be_mbox_notify_wait(adapter); -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  }  int be_cmd_eq_create(struct be_adapter *adapter, @@ -516,7 +518,8 @@ int be_cmd_eq_create(struct be_adapter *adapter,  	struct be_dma_mem *q_mem = &eq->dma_mem;  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -546,7 +549,7 @@ int be_cmd_eq_create(struct be_adapter *adapter,  		eq->created = true;  	} -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -558,7 +561,8 @@ int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,  	struct be_cmd_req_mac_query *req;  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -583,7 +587,7 @@ int be_cmd_mac_addr_query(struct be_adapter *adapter, u8 *mac_addr,  		memcpy(mac_addr, resp->mac.addr, ETH_ALEN);  	} -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -667,7 +671,8 @@ int be_cmd_cq_create(struct be_adapter *adapter,  	void *ctxt;  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -701,7 +706,7 @@ int be_cmd_cq_create(struct be_adapter *adapter,  		cq->created = true;  	} -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -724,7 +729,8 @@ int be_cmd_mccq_create(struct be_adapter *adapter,  	void *ctxt;  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -754,7 +760,7 @@ int be_cmd_mccq_create(struct be_adapter *adapter,  		mccq->id = le16_to_cpu(resp->id);  		mccq->created = true;  	} -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -769,7 +775,8 @@ int be_cmd_txq_create(struct be_adapter *adapter,  	void *ctxt;  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -801,7 +808,7 @@ int be_cmd_txq_create(struct be_adapter *adapter,  		txq->created = true;  	} -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -816,7 +823,8 @@ int be_cmd_rxq_create(struct be_adapter *adapter,  	struct be_dma_mem *q_mem = &rxq->dma_mem;  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -843,7 +851,7 @@ int be_cmd_rxq_create(struct be_adapter *adapter,  		*rss_id = resp->rss_id;  	} -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -862,7 +870,8 @@ int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,  	if (adapter->eeh_err)  		return -EIO; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -899,7 +908,7 @@ int be_cmd_q_destroy(struct be_adapter *adapter, struct be_queue_info *q,  	status = be_mbox_notify_wait(adapter); -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -915,7 +924,8 @@ int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,  	struct be_cmd_req_if_create *req;  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -941,7 +951,7 @@ int be_cmd_if_create(struct be_adapter *adapter, u32 cap_flags, u32 en_flags,  			*pmac_id = le32_to_cpu(resp->pmac_id);  	} -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -955,7 +965,8 @@ int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id)  	if (adapter->eeh_err)  		return -EIO; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -970,7 +981,7 @@ int be_cmd_if_destroy(struct be_adapter *adapter, u32 interface_id)  	status = be_mbox_notify_wait(adapter); -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -1060,7 +1071,8 @@ int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver)  	struct be_cmd_req_get_fw_version *req;  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -1077,7 +1089,7 @@ int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver)  		strncpy(fw_ver, resp->firmware_version_string, FW_VER_LEN);  	} -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -1322,7 +1334,8 @@ int be_cmd_query_fw_cfg(struct be_adapter *adapter, u32 *port_num,  	struct be_cmd_req_query_fw_cfg *req;  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -1341,7 +1354,7 @@ int be_cmd_query_fw_cfg(struct be_adapter *adapter, u32 *port_num,  		*caps = le32_to_cpu(resp->function_caps);  	} -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -1352,7 +1365,8 @@ int be_cmd_reset_function(struct be_adapter *adapter)  	struct be_cmd_req_hdr *req;  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -1365,7 +1379,7 @@ int be_cmd_reset_function(struct be_adapter *adapter)  	status = be_mbox_notify_wait(adapter); -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } @@ -1376,7 +1390,8 @@ int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable, u16 table_size)  	u32 myhash[10];  	int status; -	spin_lock(&adapter->mbox_lock); +	if (mutex_lock_interruptible(&adapter->mbox_lock)) +		return -1;  	wrb = wrb_from_mbox(adapter);  	req = embedded_payload(wrb); @@ -1396,7 +1411,7 @@ int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable, u16 table_size)  	status = be_mbox_notify_wait(adapter); -	spin_unlock(&adapter->mbox_lock); +	mutex_unlock(&adapter->mbox_lock);  	return status;  } diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c index 93354eee2cfd..fd251b59b7f9 100644 --- a/drivers/net/benet/be_main.c +++ b/drivers/net/benet/be_main.c @@ -2677,7 +2677,7 @@ static int be_ctrl_init(struct be_adapter *adapter)  	}  	memset(mc_cmd_mem->va, 0, mc_cmd_mem->size); -	spin_lock_init(&adapter->mbox_lock); +	mutex_init(&adapter->mbox_lock);  	spin_lock_init(&adapter->mcc_lock);  	spin_lock_init(&adapter->mcc_cq_lock); | 
