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cnic, bnx2x, bnx2: Simplify cnic probing.

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Instead of using symbol_get(), cnic can now directly call the cnic_probe
functions in struct bnx2x and struct bnx2.  symbol_get() is not reliable
as it fails when the module is still initializing.

Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Chan 2012-12-06 10:33:12 +00:00 committed by David S. Miller
parent 68c64d2034
commit 4bd9b0fffb
6 changed files with 17 additions and 19 deletions
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2
drivers/net/ethernet/broadcom/bnx2.c
View File

@ -434,7 +434,6 @@ struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev)
return cp;
}
EXPORT_SYMBOL(bnx2_cnic_probe);
static void
bnx2_cnic_stop(struct bnx2 *bp)
@ -8422,6 +8421,7 @@ bnx2_init_board(struct pci_dev *pdev, struct net_device *dev)
bp->cnic_eth_dev.max_iscsi_conn =
(bnx2_shmem_rd(bp, BNX2_ISCSI_MAX_CONN) &
BNX2_ISCSI_MAX_CONN_MASK) >> BNX2_ISCSI_MAX_CONN_SHIFT;
bp->cnic_probe = bnx2_cnic_probe;
#endif
pci_save_state(pdev);

1
drivers/net/ethernet/broadcom/bnx2.h
View File

@ -6984,6 +6984,7 @@ struct bnx2 {
#ifdef BCM_CNIC
struct mutex cnic_lock;
struct cnic_eth_dev cnic_eth_dev;
struct cnic_eth_dev *(*cnic_probe)(struct net_device *);
#endif
const struct firmware *mips_firmware;

1
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
View File

@ -1337,6 +1337,7 @@ struct bnx2x {
u8 cnic_support;
bool cnic_enabled;
bool cnic_loaded;
struct cnic_eth_dev *(*cnic_probe)(struct net_device *);
/* Flag that indicates that we can start looking for FCoE L2 queue
* completions in the default status block.

4
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
View File

@ -12018,6 +12018,8 @@ static int bnx2x_get_num_non_def_sbs(struct pci_dev *pdev,
return control & PCI_MSIX_FLAGS_QSIZE;
}
struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *);
static int bnx2x_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
@ -12097,6 +12099,7 @@ static int bnx2x_init_one(struct pci_dev *pdev,
bp->igu_sb_cnt = max_non_def_sbs;
bp->msg_enable = debug;
bp->cnic_support = cnic_cnt;
bp->cnic_probe = bnx2x_cnic_probe;
pci_set_drvdata(pdev, dev);
@ -13038,6 +13041,5 @@ struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
cp->starting_cid);
return cp;
}
EXPORT_SYMBOL(bnx2x_cnic_probe);

21
drivers/net/ethernet/broadcom/cnic.c
View File

@ -40,6 +40,7 @@
#include <net/ip6_checksum.h>
#include <scsi/iscsi_if.h>
#define BCM_CNIC 1
#include "cnic_if.h"
#include "bnx2.h"
#include "bnx2x/bnx2x.h"
@ -5449,14 +5450,12 @@ static struct cnic_dev *init_bnx2_cnic(struct net_device *dev)
struct pci_dev *pdev;
struct cnic_dev *cdev;
struct cnic_local *cp;
struct bnx2 *bp = netdev_priv(dev);
struct cnic_eth_dev *ethdev = NULL;
struct cnic_eth_dev *(*probe)(struct net_device *) = NULL;
probe = symbol_get(bnx2_cnic_probe);
if (probe) {
ethdev = (*probe)(dev);
symbol_put(bnx2_cnic_probe);
}
if (bp->cnic_probe)
ethdev = (bp->cnic_probe)(dev);
if (!ethdev)
return NULL;
@ -5511,14 +5510,12 @@ static struct cnic_dev *init_bnx2x_cnic(struct net_device *dev)
struct pci_dev *pdev;
struct cnic_dev *cdev;
struct cnic_local *cp;
struct bnx2x *bp = netdev_priv(dev);
struct cnic_eth_dev *ethdev = NULL;
struct cnic_eth_dev *(*probe)(struct net_device *) = NULL;
probe = symbol_get(bnx2x_cnic_probe);
if (probe) {
ethdev = (*probe)(dev);
symbol_put(bnx2x_cnic_probe);
}
if (bp->cnic_probe)
ethdev = bp->cnic_probe(dev);
if (!ethdev)
return NULL;

7
drivers/net/ethernet/broadcom/cnic_if.h
View File

@ -14,8 +14,8 @@
#include "bnx2x/bnx2x_mfw_req.h"
#define CNIC_MODULE_VERSION "2.5.15"
#define CNIC_MODULE_RELDATE "Dec 04, 2012"
#define CNIC_MODULE_VERSION "2.5.16"
#define CNIC_MODULE_RELDATE "Dec 05, 2012"
#define CNIC_ULP_RDMA 0
#define CNIC_ULP_ISCSI 1
@ -353,7 +353,4 @@ extern int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops);
extern int cnic_unregister_driver(int ulp_type);
extern struct cnic_eth_dev *bnx2_cnic_probe(struct net_device *dev);
extern struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev);
#endif