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Commit bdcecec3 authored by Al Viro's avatar Al Viro
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silicom: untangle module_init 

Helper functions are often useful.  So are local variables...
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent f1b68d4b
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Showing with 133 additions and 192 deletions
drivers/staging/silicom/bp_mod.c
View file @ bdcecec3
......@@ -6657,6 +6657,118 @@ static bpmod_info_t tx_ctl_pci_tbl[] = {
{0,}
};
static void find_fw(bpctl_dev_t *dev)
{
unsigned long mmio_start, mmio_len;
struct pci_dev *pdev1 = dev->pdev;
if ((OLD_IF_SERIES(dev->subdevice)) ||
(INTEL_IF_SERIES(dev->subdevice)))
dev->bp_fw_ver = 0xff;
else
dev->bp_fw_ver = bypass_fw_ver(dev);
if (dev->bp_10gb == 1 && dev->bp_fw_ver == 0xff) {
int cnt = 100;
while (cnt--) {
iounmap((void *)dev->mem_map);
mmio_start = pci_resource_start(pdev1, 0);
mmio_len = pci_resource_len(pdev1, 0);
dev->mem_map = (unsigned long)
ioremap(mmio_start, mmio_len);
dev->bp_fw_ver = bypass_fw_ver(dev);
if (dev-> bp_fw_ver == 0xa8)
break;
}
}
/* dev->bp_fw_ver=0xa8; */
printk("firmware version: 0x%x\n", dev->bp_fw_ver);
}
static int init_one(bpctl_dev_t *dev, bpmod_info_t *info, struct pci_dev *pdev1)
{
unsigned long mmio_start, mmio_len;
dev->pdev = pdev1;
mmio_start = pci_resource_start(pdev1, 0);
mmio_len = pci_resource_len(pdev1, 0);
dev->desc = dev_desc[info->index].name;
dev->name = info->bp_name;
dev->device = info->device;
dev->vendor = info->vendor;
dev->subdevice = info->subdevice;
dev->subvendor = info->subvendor;
dev->func = PCI_FUNC(pdev1->devfn);
dev->slot = PCI_SLOT(pdev1->devfn);
dev->bus = pdev1->bus->number;
dev->mem_map = (unsigned long)ioremap(mmio_start, mmio_len);
#ifdef BP_SYNC_FLAG
spin_lock_init(&dev->bypass_wr_lock);
#endif
if (BP10G9_IF_SERIES(dev->subdevice))
dev->bp_10g9 = 1;
if (BP10G_IF_SERIES(dev->subdevice))
dev->bp_10g = 1;
if (PEG540_IF_SERIES(dev->subdevice))
dev->bp_540 = 1;
if (PEGF5_IF_SERIES(dev->subdevice))
dev->bp_fiber5 = 1;
if (PEG80_IF_SERIES(dev->subdevice))
dev->bp_i80 = 1;
if (PEGF80_IF_SERIES(dev->subdevice))
dev->bp_i80 = 1;
if ((dev->subdevice & 0xa00) == 0xa00)
dev->bp_i80 = 1;
if (BP10GB_IF_SERIES(dev->subdevice)) {
if (dev->ifindex == 0) {
unregister_chrdev(major_num, DEVICE_NAME);
printk("Please load network driver for %s adapter!\n",
dev->name);
return -1;
}
if (dev->ndev && !(dev->ndev->flags & IFF_UP)) {
unregister_chrdev(major_num, DEVICE_NAME);
printk("Please bring up network interfaces for %s adapter!\n",
dev->name);
return -1;
}
dev->bp_10gb = 1;
}
if (!dev->bp_10g9) {
if (is_bypass_fn(dev)) {
printk(KERN_INFO "%s found, ",
dev->name);
find_fw(dev);
}
dev->wdt_status = WDT_STATUS_UNKNOWN;
dev->reset_time = 0;
atomic_set(&dev->wdt_busy, 0);
dev->bp_status_un = 1;
bypass_caps_init(dev);
init_bypass_wd_auto(dev);
init_bypass_tpl_auto(dev);
if (NOKIA_SERIES(dev->subdevice))
reset_cont(dev);
}
#ifdef BP_SELF_TEST
if ((dev->bp_tx_data = kzalloc(BPTEST_DATA_LEN, GFP_KERNEL))) {
memset(dev->bp_tx_data, 0xff, 6);
memset(dev->bp_tx_data + 6, 0x0, 1);
memset(dev->bp_tx_data + 7, 0xaa, 5);
*(__be16 *)(dev->bp_tx_data + 12) = htons(ETH_P_BPTEST);
} else
printk("bp_ctl: Memory allocation error!\n");
#endif
return 0;
}
/*
* Initialize the module - Register the character device
*/
......@@ -6665,7 +6777,7 @@ static int __init bypass_init_module(void)
{
int ret_val, idx, idx_dev = 0;
struct pci_dev *pdev1 = NULL;
unsigned long mmio_start, mmio_len;
bpctl_dev_t *dev;
printk(BP_MOD_DESCR " v" BP_MOD_VER "\n");
ret_val = register_chrdev(major_num, DEVICE_NAME, &Fops);
......@@ -6700,181 +6812,16 @@ static int __init bypass_init_module(void)
memset(bpctl_dev_arr, 0, ((device_num) * sizeof(bpctl_dev_t)));
pdev1 = NULL;
dev = bpctl_dev_arr;
for (idx = 0; tx_ctl_pci_tbl[idx].vendor; idx++) {
while ((pdev1 = pci_get_subsys(tx_ctl_pci_tbl[idx].vendor,
tx_ctl_pci_tbl[idx].device,
tx_ctl_pci_tbl[idx].subvendor,
tx_ctl_pci_tbl[idx].subdevice,
pdev1))) {
bpctl_dev_arr[idx_dev].pdev = pdev1;
mmio_start = pci_resource_start(pdev1, 0);
mmio_len = pci_resource_len(pdev1, 0);
bpctl_dev_arr[idx_dev].desc =
dev_desc[tx_ctl_pci_tbl[idx].index].name;
bpctl_dev_arr[idx_dev].name =
tx_ctl_pci_tbl[idx].bp_name;
bpctl_dev_arr[idx_dev].device =
tx_ctl_pci_tbl[idx].device;
bpctl_dev_arr[idx_dev].vendor =
tx_ctl_pci_tbl[idx].vendor;
bpctl_dev_arr[idx_dev].subdevice =
tx_ctl_pci_tbl[idx].subdevice;
bpctl_dev_arr[idx_dev].subvendor =
tx_ctl_pci_tbl[idx].subvendor;
/* bpctl_dev_arr[idx_dev].pdev=pdev1; */
bpctl_dev_arr[idx_dev].func = PCI_FUNC(pdev1->devfn);
bpctl_dev_arr[idx_dev].slot = PCI_SLOT(pdev1->devfn);
bpctl_dev_arr[idx_dev].bus = pdev1->bus->number;
bpctl_dev_arr[idx_dev].mem_map =
(unsigned long)ioremap(mmio_start, mmio_len);
#ifdef BP_SYNC_FLAG
spin_lock_init(&bpctl_dev_arr[idx_dev].bypass_wr_lock);
#endif
if (BP10G9_IF_SERIES(bpctl_dev_arr[idx_dev].subdevice))
bpctl_dev_arr[idx_dev].bp_10g9 = 1;
if (BP10G_IF_SERIES(bpctl_dev_arr[idx_dev].subdevice))
bpctl_dev_arr[idx_dev].bp_10g = 1;
if (PEG540_IF_SERIES(bpctl_dev_arr[idx_dev].subdevice)) {
bpctl_dev_arr[idx_dev].bp_540 = 1;
}
if (PEGF5_IF_SERIES(bpctl_dev_arr[idx_dev].subdevice))
bpctl_dev_arr[idx_dev].bp_fiber5 = 1;
if (PEG80_IF_SERIES(bpctl_dev_arr[idx_dev].subdevice))
bpctl_dev_arr[idx_dev].bp_i80 = 1;
if (PEGF80_IF_SERIES(bpctl_dev_arr[idx_dev].subdevice))
bpctl_dev_arr[idx_dev].bp_i80 = 1;
if ((bpctl_dev_arr[idx_dev].subdevice & 0xa00) == 0xa00)
bpctl_dev_arr[idx_dev].bp_i80 = 1;
if (BP10GB_IF_SERIES(bpctl_dev_arr[idx_dev].subdevice)) {
if (bpctl_dev_arr[idx_dev].ifindex == 0) {
unregister_chrdev(major_num,
DEVICE_NAME);
printk
("Please load network driver for %s adapter!\n",
bpctl_dev_arr[idx_dev].name);
return -1;
}
if (bpctl_dev_arr[idx_dev].ndev) {
if (!
(bpctl_dev_arr[idx_dev].ndev->
flags & IFF_UP)) {
if (!
(bpctl_dev_arr[idx_dev].
ndev->flags & IFF_UP)) {
unregister_chrdev
(major_num,
DEVICE_NAME);
printk
("Please bring up network interfaces for %s adapter!\n",
bpctl_dev_arr
[idx_dev].name);
return -1;
}
}
}
bpctl_dev_arr[idx_dev].bp_10gb = 1;
}
if (!bpctl_dev_arr[idx_dev].bp_10g9) {
if (is_bypass_fn(&bpctl_dev_arr[idx_dev])) {
printk(KERN_INFO "%s found, ",
bpctl_dev_arr[idx_dev].name);
if ((OLD_IF_SERIES
(bpctl_dev_arr[idx_dev].subdevice))
||
(INTEL_IF_SERIES
(bpctl_dev_arr[idx_dev].
subdevice)))
bpctl_dev_arr[idx_dev].
bp_fw_ver = 0xff;
else
bpctl_dev_arr[idx_dev].
bp_fw_ver =
bypass_fw_ver(&bpctl_dev_arr
[idx_dev]);
if ((bpctl_dev_arr[idx_dev].bp_10gb ==
1)
&& (bpctl_dev_arr[idx_dev].
bp_fw_ver == 0xff)) {
int cnt = 100;
while (cnt--) {
iounmap((void
*)
(bpctl_dev_arr
[idx_dev].
mem_map));
mmio_start =
pci_resource_start
(pdev1, 0);
mmio_len =
pci_resource_len
(pdev1, 0);
bpctl_dev_arr[idx_dev].
mem_map =
(unsigned long)
ioremap(mmio_start,
mmio_len);
bpctl_dev_arr[idx_dev].
bp_fw_ver =
bypass_fw_ver
(&bpctl_dev_arr
[idx_dev]);
if (bpctl_dev_arr
[idx_dev].
bp_fw_ver == 0xa8)
break;
}
}
/* bpctl_dev_arr[idx_dev].bp_fw_ver=0xa8; */
printk("firmware version: 0x%x\n",
bpctl_dev_arr[idx_dev].
bp_fw_ver);
}
bpctl_dev_arr[idx_dev].wdt_status =
WDT_STATUS_UNKNOWN;
bpctl_dev_arr[idx_dev].reset_time = 0;
atomic_set(&bpctl_dev_arr[idx_dev].wdt_busy, 0);
bpctl_dev_arr[idx_dev].bp_status_un = 1;
bypass_caps_init(&bpctl_dev_arr[idx_dev]);
init_bypass_wd_auto(&bpctl_dev_arr[idx_dev]);
init_bypass_tpl_auto(&bpctl_dev_arr[idx_dev]);
if (NOKIA_SERIES
(bpctl_dev_arr[idx_dev].subdevice))
reset_cont(&bpctl_dev_arr[idx_dev]);
}
#ifdef BP_SELF_TEST
if ((bpctl_dev_arr[idx_dev].bp_tx_data =
kmalloc(BPTEST_DATA_LEN, GFP_KERNEL))) {
memset(bpctl_dev_arr[idx_dev].bp_tx_data, 0x0,
BPTEST_DATA_LEN);
memset(bpctl_dev_arr[idx_dev].bp_tx_data, 0xff,
6);
memset(bpctl_dev_arr[idx_dev].bp_tx_data + 6,
0x0, 1);
memset(bpctl_dev_arr[idx_dev].bp_tx_data + 7,
0xaa, 5);
*(__be16 *) (bpctl_dev_arr[idx_dev].bp_tx_data +
12) = htons(ETH_P_BPTEST);
} else
printk("bp_ctl: Memory allocation error!\n");
#endif
idx_dev++;
if (init_one(dev, &tx_ctl_pci_tbl[idx], pdev1) < 0)
return -1;
dev++;
}
}
if_scan_init();
......@@ -6884,33 +6831,27 @@ static int __init bypass_init_module(void)
{
bpctl_dev_t *pbpctl_dev_c = NULL;
for (idx_dev = 0;
((bpctl_dev_arr[idx_dev].pdev != NULL)
&& (idx_dev < device_num)); idx_dev++) {
if (bpctl_dev_arr[idx_dev].bp_10g9) {
pbpctl_dev_c =
get_status_port_fn(&bpctl_dev_arr[idx_dev]);
if (is_bypass_fn(&bpctl_dev_arr[idx_dev])) {
for (idx_dev = 0, dev = bpctl_dev_arr;
idx_dev < device_num && dev->pdev;
idx_dev++, dev++) {
if (dev->bp_10g9) {
pbpctl_dev_c = get_status_port_fn(dev);
if (is_bypass_fn(dev)) {
printk(KERN_INFO "%s found, ",
bpctl_dev_arr[idx_dev].name);
bpctl_dev_arr[idx_dev].bp_fw_ver =
bypass_fw_ver(&bpctl_dev_arr
[idx_dev]);
dev->name);
dev->bp_fw_ver = bypass_fw_ver(dev);
printk("firmware version: 0x%x\n",
bpctl_dev_arr[idx_dev].
bp_fw_ver);
dev->bp_fw_ver);
}
bpctl_dev_arr[idx_dev].wdt_status =
WDT_STATUS_UNKNOWN;
bpctl_dev_arr[idx_dev].reset_time = 0;
atomic_set(&bpctl_dev_arr[idx_dev].wdt_busy, 0);
bpctl_dev_arr[idx_dev].bp_status_un = 1;
dev->wdt_status = WDT_STATUS_UNKNOWN;
dev->reset_time = 0;
atomic_set(&dev->wdt_busy, 0);
dev->bp_status_un = 1;
bypass_caps_init(&bpctl_dev_arr[idx_dev]);
bypass_caps_init(dev);
init_bypass_wd_auto(&bpctl_dev_arr[idx_dev]);
init_bypass_tpl_auto(&bpctl_dev_arr[idx_dev]);
init_bypass_wd_auto(dev);
init_bypass_tpl_auto(dev);
}
......
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