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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-11 10:41:07 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-13 08:17:18 +0300
commite09b41010ba33a20a87472ee821fa407a5b8da36 (patch)
treed10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/drivers/staging/slicoss
parentf93b97fd65072de626c074dbe099a1fff05ce060 (diff)
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page. During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/staging/slicoss')
-rw-r--r--kernel/drivers/staging/slicoss/TODO1
-rw-r--r--kernel/drivers/staging/slicoss/slic.h45
-rw-r--r--kernel/drivers/staging/slicoss/slichw.h38
-rw-r--r--kernel/drivers/staging/slicoss/slicoss.c342
4 files changed, 228 insertions, 198 deletions
diff --git a/kernel/drivers/staging/slicoss/TODO b/kernel/drivers/staging/slicoss/TODO
index 20cc9abdc..9019729b7 100644
--- a/kernel/drivers/staging/slicoss/TODO
+++ b/kernel/drivers/staging/slicoss/TODO
@@ -25,7 +25,6 @@ TODO:
- state variables for things that are
easily available and shouldn't be kept in card structure, cardnum, ...
slotnumber, events, ...
- - get rid of slic_spinlock wrapper
- volatile == bad design => bad code
- locking too fine grained, not designed just throw more locks
at problem
diff --git a/kernel/drivers/staging/slicoss/slic.h b/kernel/drivers/staging/slicoss/slic.h
index 3a5aa882b..c95b3abad 100644
--- a/kernel/drivers/staging/slicoss/slic.h
+++ b/kernel/drivers/staging/slicoss/slic.h
@@ -56,11 +56,6 @@ static u32 OasisRcvUCodeLen = 512;
static u32 GBRcvUCodeLen = 512;
#define SECTION_SIZE 65536
-struct slic_spinlock {
- spinlock_t lock;
- unsigned long flags;
-};
-
#define SLIC_RSPQ_PAGES_GB 10
#define SLIC_RSPQ_BUFSINPAGE (PAGE_SIZE / SLIC_RSPBUF_SIZE)
@@ -98,10 +93,10 @@ struct slic_rcvbuf_info {
u32 lastid;
};
/*
- SLIC Handle structure. Used to restrict handle values to
- 32 bits by using an index rather than an address.
- Simplifies ucode in 64-bit systems
-*/
+ * SLIC Handle structure. Used to restrict handle values to
+ * 32 bits by using an index rather than an address.
+ * Simplifies ucode in 64-bit systems
+ */
struct slic_handle_word {
union {
struct {
@@ -165,13 +160,12 @@ struct slic_cmdqueue {
struct slic_hostcmd *head;
struct slic_hostcmd *tail;
int count;
- struct slic_spinlock lock;
+ spinlock_t lock;
};
#define SLIC_MAX_CARDS 32
#define SLIC_MAX_PORTS 4 /* Max # of ports per card */
-
struct mcast_address {
unsigned char address[6];
struct mcast_address *next;
@@ -339,14 +333,15 @@ struct physcard {
struct physcard *next;
uint adapters_allocd;
-/* the following is not currently needed
- u32 bridge_busnum;
- u32 bridge_cfg[NUM_CFG_SPACES][NUM_CFG_REG_ULONGS];
-*/
+/*
+ * the following is not currently needed
+ * u32 bridge_busnum;
+ * u32 bridge_cfg[NUM_CFG_SPACES][NUM_CFG_REG_ULONGS];
+ */
};
struct base_driver {
- struct slic_spinlock driver_lock;
+ spinlock_t driver_lock;
u32 num_slic_cards;
u32 num_slic_ports;
u32 num_slic_ports_active;
@@ -401,8 +396,8 @@ struct adapter {
uint card_size;
uint chipid;
struct net_device *netdev;
- struct slic_spinlock adapter_lock;
- struct slic_spinlock reset_lock;
+ spinlock_t adapter_lock;
+ spinlock_t reset_lock;
struct pci_dev *pcidev;
uint busnumber;
uint slotnumber;
@@ -419,7 +414,6 @@ struct adapter {
u32 intrregistered;
uint isp_initialized;
uint gennumber;
- u32 curaddrupper;
struct slic_shmem *pshmem;
dma_addr_t phys_shmem;
u32 isrcopy;
@@ -441,8 +435,8 @@ struct adapter {
u32 pingtimerset;
struct timer_list loadtimer;
u32 loadtimerset;
- struct slic_spinlock upr_lock;
- struct slic_spinlock bit64reglock;
+ spinlock_t upr_lock;
+ spinlock_t bit64reglock;
struct slic_rspqueue rspqueue;
struct slic_rcvqueue rcvqueue;
struct slic_cmdqueue cmdq_free;
@@ -453,11 +447,11 @@ struct adapter {
* SLIC Handles
*/
/* Object handles*/
- struct slic_handle slic_handles[SLIC_CMDQ_MAXCMDS+1];
+ struct slic_handle slic_handles[SLIC_CMDQ_MAXCMDS + 1];
/* Free object handles*/
struct slic_handle *pfree_slic_handles;
/* Object handle list lock*/
- struct slic_spinlock handle_lock;
+ spinlock_t handle_lock;
ushort slic_handle_ix;
u32 xmitq_full;
@@ -491,7 +485,6 @@ struct adapter {
struct slicnet_stats slic_stats;
};
-
#define UPDATE_STATS(largestat, newstat, oldstat) \
{ \
if ((newstat) < (oldstat)) \
@@ -520,8 +513,6 @@ struct adapter {
#define FLUSH true
#define DONT_FLUSH false
-#define SIOCSLICDUMPCARD (SIOCDEVPRIVATE+9)
-#define SIOCSLICSETINTAGG (SIOCDEVPRIVATE+10)
-#define SIOCSLICTRACEDUMP (SIOCDEVPRIVATE+11)
+#define SIOCSLICSETINTAGG (SIOCDEVPRIVATE + 10)
#endif /* __SLIC_DRIVER_H__ */
diff --git a/kernel/drivers/staging/slicoss/slichw.h b/kernel/drivers/staging/slicoss/slichw.h
index 21cd02b8b..9723b4a10 100644
--- a/kernel/drivers/staging/slicoss/slichw.h
+++ b/kernel/drivers/staging/slicoss/slichw.h
@@ -307,9 +307,11 @@ struct slic_regs {
u32 slic_hbar; /* Header buffer address reg */
u32 pad4;
- /* 31-8 - phy addr of set of contiguous hdr buffers
- 7-0 - number of buffers passed
- Buffers are 256 bytes long on 256-byte boundaries. */
+ /*
+ * 31-8 - phy addr of set of contiguous hdr buffers
+ * 7-0 - number of buffers passed
+ * Buffers are 256 bytes long on 256-byte boundaries.
+ */
#define SLIC_HBAR 0x0020
#define SLIC_HBAR_CNT_MSK 0x000000FF
@@ -321,10 +323,12 @@ struct slic_regs {
#define SLIC_DBAR_SIZE 2048
u32 slic_cbar; /* Xmt Cmd buf addr regs.*/
- /* 1 per XMT interface
- 31-5 - phy addr of host command buffer
- 4-0 - length of cmd in multiples of 32 bytes
- Buffers are 32 bytes up to 512 bytes long */
+ /*
+ * 1 per XMT interface
+ * 31-5 - phy addr of host command buffer
+ * 4-0 - length of cmd in multiples of 32 bytes
+ * Buffers are 32 bytes up to 512 bytes long
+ */
#define SLIC_CBAR 0x0030
#define SLIC_CBAR_LEN_MSK 0x0000001F
#define SLIC_CBAR_ALIGN 0x00000020
@@ -336,9 +340,11 @@ struct slic_regs {
u32 slic_rbar; /* Response buffer address reg.*/
u32 pad7;
- /*31-8 - phy addr of set of contiguous response buffers
- 7-0 - number of buffers passed
- Buffers are 32 bytes long on 32-byte boundaries.*/
+ /*
+ * 31-8 - phy addr of set of contiguous response buffers
+ * 7-0 - number of buffers passed
+ * Buffers are 32 bytes long on 32-byte boundaries.
+ */
#define SLIC_RBAR 0x0038
#define SLIC_RBAR_CNT_MSK 0x000000FF
#define SLIC_RBAR_SIZE 32
@@ -430,7 +436,8 @@ struct slic_regs {
#define SLIC_LOW_POWER 0x00e0
u32 slic_quiesce; /* force slic into quiescent state
- before soft reset */
+ * before soft reset
+ */
u32 pad30;
#define SLIC_QUIESCE 0x00e8
@@ -718,7 +725,8 @@ struct slic_eeprom {
u16 DSize2Pci; /* 15 DRAM size to PCI (bytes * 64K) */
u16 RSize2Pci; /* 16 ROM extension size to PCI (bytes * 4k) */
u8 NetIntPin1; /* 17 Network Interface Pin 1
- (simba/leone only) */
+ * (simba/leone only)
+ */
u8 NetIntPin2; /* Network Interface Pin 2 (simba/leone only)*/
union {
u8 NetIntPin3; /* 18 Network Interface Pin 3 (simba only) */
@@ -748,7 +756,8 @@ struct slic_eeprom {
union oemfru OemFru; /* optional OEM FRU information */
u8 Pad[4]; /* Pad to 128 bytes - includes 2 cksum bytes
* (if OEM FRU info exists) and two unusable
- * bytes at the end */
+ * bytes at the end
+ */
};
/* SLIC EEPROM structure for Oasis */
@@ -772,7 +781,8 @@ struct oslic_eeprom {
u16 FlashSize; /* 14 Flash size (bytes / 4K) */
u16 DSize2Pci; /* 15 DRAM size to PCI (bytes / 64K) */
u16 RSize2Pci; /* 16 Flash (ROM extension) size to PCI
- (bytes / 4K) */
+ * (bytes / 4K)
+ */
u16 DeviceId1; /* 17 Device Id (function 1) */
u16 DeviceId2; /* 18 Device Id (function 2) */
u16 CfgByte6; /* 19 Device Status Config Bytes 6-7 */
diff --git a/kernel/drivers/staging/slicoss/slicoss.c b/kernel/drivers/staging/slicoss/slicoss.c
index c2bda1d38..b23a2d1f6 100644
--- a/kernel/drivers/staging/slicoss/slicoss.c
+++ b/kernel/drivers/staging/slicoss/slicoss.c
@@ -54,7 +54,6 @@
* IS-NIC driver.
*/
-
#define KLUDGE_FOR_4GB_BOUNDARY 1
#define DEBUG_MICROCODE 1
#define DBG 1
@@ -144,17 +143,14 @@ static inline void slic_reg64_write(struct adapter *adapter, void __iomem *reg,
u32 value, void __iomem *regh, u32 paddrh,
bool flush)
{
- spin_lock_irqsave(&adapter->bit64reglock.lock,
- adapter->bit64reglock.flags);
- if (paddrh != adapter->curaddrupper) {
- adapter->curaddrupper = paddrh;
- writel(paddrh, regh);
- }
+ unsigned long flags;
+
+ spin_lock_irqsave(&adapter->bit64reglock, flags);
+ writel(paddrh, regh);
writel(value, reg);
if (flush)
mb();
- spin_unlock_irqrestore(&adapter->bit64reglock.lock,
- adapter->bit64reglock.flags);
+ spin_unlock_irqrestore(&adapter->bit64reglock, flags);
}
static void slic_mcast_set_bit(struct adapter *adapter, char *address)
@@ -162,17 +158,20 @@ static void slic_mcast_set_bit(struct adapter *adapter, char *address)
unsigned char crcpoly;
/* Get the CRC polynomial for the mac address */
- /* we use bits 1-8 (lsb), bitwise reversed,
- * msb (= lsb bit 0 before bitrev) is automatically discarded */
- crcpoly = ether_crc(ETH_ALEN, address)>>23;
+ /*
+ * we use bits 1-8 (lsb), bitwise reversed,
+ * msb (= lsb bit 0 before bitrev) is automatically discarded
+ */
+ crcpoly = ether_crc(ETH_ALEN, address) >> 23;
- /* We only have space on the SLIC for 64 entries. Lop
+ /*
+ * We only have space on the SLIC for 64 entries. Lop
* off the top two bits. (2^6 = 64)
*/
crcpoly &= 0x3F;
/* OR in the new bit into our 64 bit mask. */
- adapter->mcastmask |= (u64) 1 << crcpoly;
+ adapter->mcastmask |= (u64)1 << crcpoly;
}
static void slic_mcast_set_mask(struct adapter *adapter)
@@ -180,7 +179,8 @@ static void slic_mcast_set_mask(struct adapter *adapter)
__iomem struct slic_regs *slic_regs = adapter->slic_regs;
if (adapter->macopts & (MAC_ALLMCAST | MAC_PROMISC)) {
- /* Turn on all multicast addresses. We have to do this for
+ /*
+ * Turn on all multicast addresses. We have to do this for
* promiscuous mode as well as ALLMCAST mode. It saves the
* Microcode from having to keep state about the MAC
* configuration.
@@ -189,7 +189,8 @@ static void slic_mcast_set_mask(struct adapter *adapter)
slic_reg32_write(&slic_regs->slic_mcasthigh, 0xFFFFFFFF,
FLUSH);
} else {
- /* Commit our multicast mast to the SLIC by writing to the
+ /*
+ * Commit our multicast mast to the SLIC by writing to the
* multicast address mask registers
*/
slic_reg32_write(&slic_regs->slic_mcastlow,
@@ -246,7 +247,8 @@ static void slic_link_config(struct adapter *adapter,
if ((linkspeed == LINK_AUTOSPEED) || (linkspeed == LINK_1000MB)) {
if (adapter->flags & ADAPT_FLAGS_FIBERMEDIA) {
- /* We've got a fiber gigabit interface, and register
+ /*
+ * We've got a fiber gigabit interface, and register
* 4 is different in fiber mode than in copper mode
*/
@@ -264,16 +266,22 @@ static void slic_link_config(struct adapter *adapter,
PCR_AUTONEG_RST));
slic_reg32_write(wphy, phy_config, FLUSH);
} else { /* forced 1000 Mb FD*/
- /* power down phy to break link
- this may not work) */
+ /*
+ * power down phy to break link
+ * this may not work)
+ */
phy_config = (MIICR_REG_PCR | PCR_POWERDOWN);
slic_reg32_write(wphy, phy_config, FLUSH);
- /* wait, Marvell says 1 sec,
- try to get away with 10 ms */
+ /*
+ * wait, Marvell says 1 sec,
+ * try to get away with 10 ms
+ */
mdelay(10);
- /* disable auto-neg, set speed/duplex,
- soft reset phy, powerup */
+ /*
+ * disable auto-neg, set speed/duplex,
+ * soft reset phy, powerup
+ */
phy_config =
(MIICR_REG_PCR |
(PCR_RESET | PCR_SPEED_1000 |
@@ -282,7 +290,8 @@ static void slic_link_config(struct adapter *adapter,
}
} else { /* copper gigabit */
- /* Auto-Negotiate or 1000 Mb must be auto negotiated
+ /*
+ * Auto-Negotiate or 1000 Mb must be auto negotiated
* We've got a copper gigabit interface, and
* register 4 is different in copper mode than
* in fiber mode
@@ -294,8 +303,10 @@ static void slic_link_config(struct adapter *adapter,
(PAR_ADV100FD | PAR_ADV100HD | PAR_ADV10FD
| PAR_ADV10HD));
} else {
- /* linkspeed == LINK_1000MB -
- don't advertise 10/100 Mb modes */
+ /*
+ * linkspeed == LINK_1000MB -
+ * don't advertise 10/100 Mb modes
+ */
phy_advreg = MIICR_REG_4;
}
/* enable PAUSE frames */
@@ -308,8 +319,10 @@ static void slic_link_config(struct adapter *adapter,
slic_reg32_write(wphy, phy_gctlreg, FLUSH);
if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
- /* if a Marvell PHY
- enable auto crossover */
+ /*
+ * if a Marvell PHY
+ * enable auto crossover
+ */
phy_config =
(MIICR_REG_16 | (MRV_REG16_XOVERON));
slic_reg32_write(wphy, phy_config, FLUSH);
@@ -340,8 +353,10 @@ static void slic_link_config(struct adapter *adapter,
duplex = PCR_DUPLEX_FULL;
if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
- /* if a Marvell PHY
- disable auto crossover */
+ /*
+ * if a Marvell PHY
+ * disable auto crossover
+ */
phy_config = (MIICR_REG_16 | (MRV_REG16_XOVEROFF));
slic_reg32_write(wphy, phy_config, FLUSH);
}
@@ -354,9 +369,11 @@ static void slic_link_config(struct adapter *adapter,
mdelay(10);
if (adapter->subsysid != SLIC_1GB_CICADA_SUBSYS_ID) {
- /* if a Marvell PHY
- disable auto-neg, set speed,
- soft reset phy, powerup */
+ /*
+ * if a Marvell PHY
+ * disable auto-neg, set speed,
+ * soft reset phy, powerup
+ */
phy_config =
(MIICR_REG_PCR | (PCR_RESET | speed | duplex));
slic_reg32_write(wphy, phy_config, FLUSH);
@@ -533,11 +550,13 @@ static int slic_card_download(struct adapter *adapter)
index += 4;
/* Check SRAM location zero. If it is non-zero. Abort.*/
-/* failure = readl((u32 __iomem *)&slic_regs->slic_reset);
- if (failure) {
- release_firmware(fw);
- return -EIO;
- }*/
+ /*
+ * failure = readl((u32 __iomem *)&slic_regs->slic_reset);
+ * if (failure) {
+ * release_firmware(fw);
+ * return -EIO;
+ * }
+ */
}
}
release_firmware(fw);
@@ -545,8 +564,10 @@ static int slic_card_download(struct adapter *adapter)
mdelay(10);
slic_reg32_write(&slic_regs->slic_wcs, SLIC_WCS_START, FLUSH);
- /* stall for 20 ms, long enough for ucode to init card
- and reach mainloop */
+ /*
+ * stall for 20 ms, long enough for ucode to init card
+ * and reach mainloop
+ */
mdelay(20);
return 0;
@@ -596,19 +617,21 @@ static void slic_mac_address_config(struct adapter *adapter)
u32 value2;
__iomem struct slic_regs *slic_regs = adapter->slic_regs;
- value = ntohl(*(__be32 *) &adapter->currmacaddr[2]);
+ value = ntohl(*(__be32 *)&adapter->currmacaddr[2]);
slic_reg32_write(&slic_regs->slic_wraddral, value, FLUSH);
slic_reg32_write(&slic_regs->slic_wraddrbl, value, FLUSH);
- value2 = (u32) ((adapter->currmacaddr[0] << 8 |
+ value2 = (u32)((adapter->currmacaddr[0] << 8 |
adapter->currmacaddr[1]) & 0xFFFF);
slic_reg32_write(&slic_regs->slic_wraddrah, value2, FLUSH);
slic_reg32_write(&slic_regs->slic_wraddrbh, value2, FLUSH);
- /* Write our multicast mask out to the card. This is done */
- /* here in addition to the slic_mcast_addr_set routine */
- /* because ALL_MCAST may have been enabled or disabled */
+ /*
+ * Write our multicast mask out to the card. This is done
+ * here in addition to the slic_mcast_addr_set routine
+ * because ALL_MCAST may have been enabled or disabled
+ */
slic_mcast_set_mask(adapter);
}
@@ -889,10 +912,10 @@ static void slic_upr_start(struct adapter *adapter)
struct slic_upr *upr;
__iomem struct slic_regs *slic_regs = adapter->slic_regs;
/*
- char * ptr1;
- char * ptr2;
- uint cmdoffset;
-*/
+ * char * ptr1;
+ * char * ptr2;
+ * uint cmdoffset;
+ */
upr = adapter->upr_list;
if (!upr)
return;
@@ -936,9 +959,10 @@ static int slic_upr_request(struct adapter *adapter,
u32 upr_data_h,
u32 upr_buffer, u32 upr_buffer_h)
{
+ unsigned long flags;
int rc;
- spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags);
+ spin_lock_irqsave(&adapter->upr_lock, flags);
rc = slic_upr_queue_request(adapter,
upr_request,
upr_data,
@@ -948,8 +972,7 @@ static int slic_upr_request(struct adapter *adapter,
slic_upr_start(adapter);
err_unlock_irq:
- spin_unlock_irqrestore(&adapter->upr_lock.lock,
- adapter->upr_lock.flags);
+ spin_unlock_irqrestore(&adapter->upr_lock, flags);
return rc;
}
@@ -974,7 +997,7 @@ static void slic_link_upr_complete(struct adapter *adapter, u32 isr)
#else
slic_upr_queue_request(adapter,
SLIC_UPR_RLSR,
- (u32) &pshmem->linkstatus,
+ (u32)&pshmem->linkstatus,
SLIC_GET_ADDR_HIGH(pshmem), 0, 0);
#endif
return;
@@ -1029,12 +1052,12 @@ static void slic_upr_request_complete(struct adapter *adapter, u32 isr)
{
struct sliccard *card = adapter->card;
struct slic_upr *upr;
+ unsigned long flags;
- spin_lock_irqsave(&adapter->upr_lock.lock, adapter->upr_lock.flags);
+ spin_lock_irqsave(&adapter->upr_lock, flags);
upr = adapter->upr_list;
if (!upr) {
- spin_unlock_irqrestore(&adapter->upr_lock.lock,
- adapter->upr_lock.flags);
+ spin_unlock_irqrestore(&adapter->upr_lock, flags);
return;
}
adapter->upr_list = upr->next;
@@ -1044,7 +1067,7 @@ static void slic_upr_request_complete(struct adapter *adapter, u32 isr)
case SLIC_UPR_STATS:
{
struct slic_stats *slicstats =
- (struct slic_stats *) &adapter->pshmem->inicstats;
+ (struct slic_stats *)&adapter->pshmem->inicstats;
struct slic_stats *newstats = slicstats;
struct slic_stats *old = &adapter->inicstats_prev;
struct slicnet_stats *stst = &adapter->slic_stats;
@@ -1127,8 +1150,7 @@ static void slic_upr_request_complete(struct adapter *adapter, u32 isr)
}
kfree(upr);
slic_upr_start(adapter);
- spin_unlock_irqrestore(&adapter->upr_lock.lock,
- adapter->upr_lock.flags);
+ spin_unlock_irqrestore(&adapter->upr_lock, flags);
}
static int slic_config_get(struct adapter *adapter, u32 config, u32 config_h)
@@ -1151,8 +1173,7 @@ static u16 slic_eeprom_cksum(void *eeprom, unsigned len)
}
if (len > 0)
- checksum += *(u8 *) wp;
-
+ checksum += *(u8 *)wp;
while (checksum >> 16)
checksum = (checksum & 0xFFFF) + ((checksum >> 16) & 0xFFFF);
@@ -1250,7 +1271,7 @@ static void slic_cmdqmem_free(struct adapter *adapter)
if (cmdqmem->pages[i]) {
pci_free_consistent(adapter->pcidev,
PAGE_SIZE,
- (void *) cmdqmem->pages[i],
+ (void *)cmdqmem->pages[i],
cmdqmem->dma_pages[i]);
}
}
@@ -1310,9 +1331,10 @@ static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page)
u32 phys_addrl;
u32 phys_addrh;
struct slic_handle *pslic_handle;
+ unsigned long flags;
cmdaddr = page;
- cmd = (struct slic_hostcmd *)cmdaddr;
+ cmd = cmdaddr;
cmdcnt = 0;
phys_addr = virt_to_bus((void *)page);
@@ -1324,15 +1346,13 @@ static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page)
while ((cmdcnt < SLIC_CMDQ_CMDSINPAGE) &&
(adapter->slic_handle_ix < 256)) {
/* Allocate and initialize a SLIC_HANDLE for this command */
- spin_lock_irqsave(&adapter->handle_lock.lock,
- adapter->handle_lock.flags);
+ spin_lock_irqsave(&adapter->handle_lock, flags);
pslic_handle = adapter->pfree_slic_handles;
adapter->pfree_slic_handles = pslic_handle->next;
- spin_unlock_irqrestore(&adapter->handle_lock.lock,
- adapter->handle_lock.flags);
+ spin_unlock_irqrestore(&adapter->handle_lock, flags);
pslic_handle->type = SLIC_HANDLE_CMD;
- pslic_handle->address = (void *) cmd;
- pslic_handle->offset = (ushort) adapter->slic_handle_ix++;
+ pslic_handle->address = (void *)cmd;
+ pslic_handle->offset = (ushort)adapter->slic_handle_ix++;
pslic_handle->other_handle = NULL;
pslic_handle->next = NULL;
@@ -1347,7 +1367,7 @@ static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page)
phys_addrl += SLIC_HOSTCMD_SIZE;
cmdaddr += SLIC_HOSTCMD_SIZE;
- cmd = (struct slic_hostcmd *)cmdaddr;
+ cmd = cmdaddr;
cmdcnt++;
}
@@ -1356,11 +1376,11 @@ static void slic_cmdq_addcmdpage(struct adapter *adapter, u32 *page)
tail->next_all = cmdq->head;
cmdq->head = prev;
cmdq = &adapter->cmdq_free;
- spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags);
+ spin_lock_irqsave(&cmdq->lock, flags);
cmdq->count += cmdcnt; /* SLIC_CMDQ_CMDSINPAGE; mooktodo */
tail->next = cmdq->head;
cmdq->head = prev;
- spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags);
+ spin_unlock_irqrestore(&cmdq->lock, flags);
}
static int slic_cmdq_init(struct adapter *adapter)
@@ -1371,9 +1391,9 @@ static int slic_cmdq_init(struct adapter *adapter)
memset(&adapter->cmdq_all, 0, sizeof(struct slic_cmdqueue));
memset(&adapter->cmdq_free, 0, sizeof(struct slic_cmdqueue));
memset(&adapter->cmdq_done, 0, sizeof(struct slic_cmdqueue));
- spin_lock_init(&adapter->cmdq_all.lock.lock);
- spin_lock_init(&adapter->cmdq_free.lock.lock);
- spin_lock_init(&adapter->cmdq_done.lock.lock);
+ spin_lock_init(&adapter->cmdq_all.lock);
+ spin_lock_init(&adapter->cmdq_free.lock);
+ spin_lock_init(&adapter->cmdq_done.lock);
memset(&adapter->cmdqmem, 0, sizeof(struct slic_cmdqmem));
adapter->slic_handle_ix = 1;
for (i = 0; i < SLIC_CMDQ_INITPAGES; i++) {
@@ -1394,11 +1414,10 @@ static void slic_cmdq_reset(struct adapter *adapter)
struct slic_hostcmd *hcmd;
struct sk_buff *skb;
u32 outstanding;
+ unsigned long flags;
- spin_lock_irqsave(&adapter->cmdq_free.lock.lock,
- adapter->cmdq_free.lock.flags);
- spin_lock_irqsave(&adapter->cmdq_done.lock.lock,
- adapter->cmdq_done.lock.flags);
+ spin_lock_irqsave(&adapter->cmdq_free.lock, flags);
+ spin_lock(&adapter->cmdq_done.lock);
outstanding = adapter->cmdq_all.count - adapter->cmdq_done.count;
outstanding -= adapter->cmdq_free.count;
hcmd = adapter->cmdq_all.head;
@@ -1429,40 +1448,40 @@ static void slic_cmdq_reset(struct adapter *adapter)
"free_count %d != all count %d\n",
adapter->cmdq_free.count, adapter->cmdq_all.count);
}
- spin_unlock_irqrestore(&adapter->cmdq_done.lock.lock,
- adapter->cmdq_done.lock.flags);
- spin_unlock_irqrestore(&adapter->cmdq_free.lock.lock,
- adapter->cmdq_free.lock.flags);
+ spin_unlock(&adapter->cmdq_done.lock);
+ spin_unlock_irqrestore(&adapter->cmdq_free.lock, flags);
}
static void slic_cmdq_getdone(struct adapter *adapter)
{
struct slic_cmdqueue *done_cmdq = &adapter->cmdq_done;
struct slic_cmdqueue *free_cmdq = &adapter->cmdq_free;
+ unsigned long flags;
- spin_lock_irqsave(&done_cmdq->lock.lock, done_cmdq->lock.flags);
+ spin_lock_irqsave(&done_cmdq->lock, flags);
free_cmdq->head = done_cmdq->head;
free_cmdq->count = done_cmdq->count;
done_cmdq->head = NULL;
done_cmdq->tail = NULL;
done_cmdq->count = 0;
- spin_unlock_irqrestore(&done_cmdq->lock.lock, done_cmdq->lock.flags);
+ spin_unlock_irqrestore(&done_cmdq->lock, flags);
}
static struct slic_hostcmd *slic_cmdq_getfree(struct adapter *adapter)
{
struct slic_cmdqueue *cmdq = &adapter->cmdq_free;
struct slic_hostcmd *cmd = NULL;
+ unsigned long flags;
lock_and_retry:
- spin_lock_irqsave(&cmdq->lock.lock, cmdq->lock.flags);
+ spin_lock_irqsave(&cmdq->lock, flags);
retry:
cmd = cmdq->head;
if (cmd) {
cmdq->head = cmd->next;
cmdq->count--;
- spin_unlock_irqrestore(&cmdq->lock.lock, cmdq->lock.flags);
+ spin_unlock_irqrestore(&cmdq->lock, flags);
} else {
slic_cmdq_getdone(adapter);
cmd = cmdq->head;
@@ -1471,8 +1490,7 @@ retry:
} else {
u32 *pageaddr;
- spin_unlock_irqrestore(&cmdq->lock.lock,
- cmdq->lock.flags);
+ spin_unlock_irqrestore(&cmdq->lock, flags);
pageaddr = slic_cmdqmem_addpage(adapter);
if (pageaddr) {
slic_cmdq_addcmdpage(adapter, pageaddr);
@@ -1488,14 +1506,14 @@ static void slic_cmdq_putdone_irq(struct adapter *adapter,
{
struct slic_cmdqueue *cmdq = &adapter->cmdq_done;
- spin_lock(&cmdq->lock.lock);
+ spin_lock(&cmdq->lock);
cmd->busy = 0;
cmd->next = cmdq->head;
cmdq->head = cmd;
cmdq->count++;
if ((adapter->xmitq_full) && (cmdq->count > 10))
netif_wake_queue(adapter->netdev);
- spin_unlock(&cmdq->lock.lock);
+ spin_unlock(&cmdq->lock);
}
static int slic_rcvqueue_fill(struct adapter *adapter)
@@ -1724,14 +1742,14 @@ static u32 slic_rcvqueue_reinsert(struct adapter *adapter, struct sk_buff *skb)
* will also complete asynchronously.
*
*/
-static void slic_link_event_handler(struct adapter *adapter)
+static int slic_link_event_handler(struct adapter *adapter)
{
int status;
struct slic_shmem *pshmem;
if (adapter->state != ADAPT_UP) {
/* Adapter is not operational. Ignore. */
- return;
+ return -ENODEV;
}
pshmem = (struct slic_shmem *)(unsigned long)adapter->phys_shmem;
@@ -1744,9 +1762,10 @@ static void slic_link_event_handler(struct adapter *adapter)
0, 0);
#else
status = slic_upr_request(adapter, SLIC_UPR_RLSR,
- (u32) &pshmem->linkstatus, /* no 4GB wrap guaranteed */
+ (u32)&pshmem->linkstatus, /* no 4GB wrap guaranteed */
0, 0, 0);
#endif
+ return status;
}
static void slic_init_cleanup(struct adapter *adapter)
@@ -1811,7 +1830,7 @@ static void slic_mcast_set_list(struct net_device *dev)
struct netdev_hw_addr *ha;
netdev_for_each_mc_addr(ha, dev) {
- addresses = (char *) &ha->addr;
+ addresses = (char *)&ha->addr;
status = slic_mcast_add_list(adapter, addresses);
if (status != 0)
break;
@@ -1859,8 +1878,8 @@ static void slic_xmit_build_request(struct adapter *adapter,
ihcmd->u.slic_buffers.bufs[0].paddrh = SLIC_GET_ADDR_HIGH(phys_addr);
ihcmd->u.slic_buffers.bufs[0].length = skb->len;
#if BITS_PER_LONG == 64
- hcmd->cmdsize = (u32) ((((u64)&ihcmd->u.slic_buffers.bufs[1] -
- (u64) hcmd) + 31) >> 5);
+ hcmd->cmdsize = (u32)((((u64)&ihcmd->u.slic_buffers.bufs[1] -
+ (u64)hcmd) + 31) >> 5);
#else
hcmd->cmdsize = (((u32)&ihcmd->u.slic_buffers.bufs[1] -
(u32)hcmd) + 31) >> 5;
@@ -2057,11 +2076,10 @@ static void slic_xmit_complete(struct adapter *adapter)
adapter->xmit_completes++;
adapter->card->events++;
/*
- Get the complete host command buffer
- */
+ * Get the complete host command buffer
+ */
slic_handle_word.handle_token = rspbuf->hosthandle;
hcmd =
- (struct slic_hostcmd *)
adapter->slic_handles[slic_handle_word.handle_index].
address;
/* hcmd = (struct slic_hostcmd *) rspbuf->hosthandle; */
@@ -2116,7 +2134,8 @@ static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
if (isr & ISR_LEVENT) {
adapter->linkevent_interrupts++;
- slic_link_event_handler(adapter);
+ if (slic_link_event_handler(adapter))
+ adapter->linkevent_interrupts--;
}
if ((isr & ISR_UPC) || (isr & ISR_UPCERR) ||
@@ -2137,10 +2156,9 @@ static void slic_interrupt_card_up(u32 isr, struct adapter *adapter,
}
}
-
static irqreturn_t slic_interrupt(int irq, void *dev_id)
{
- struct net_device *dev = (struct net_device *)dev_id;
+ struct net_device *dev = dev_id;
struct adapter *adapter = netdev_priv(dev);
u32 isr;
@@ -2234,7 +2252,6 @@ xmit_fail:
goto xmit_done;
}
-
static void slic_adapter_freeresources(struct adapter *adapter)
{
slic_init_cleanup(adapter);
@@ -2250,21 +2267,20 @@ static void slic_adapter_freeresources(struct adapter *adapter)
adapter->rcv_unicasts = 0;
}
-static int slic_adapter_allocresources(struct adapter *adapter)
+static int slic_adapter_allocresources(struct adapter *adapter,
+ unsigned long *flags)
{
if (!adapter->intrregistered) {
int retval;
- spin_unlock_irqrestore(&slic_global.driver_lock.lock,
- slic_global.driver_lock.flags);
+ spin_unlock_irqrestore(&slic_global.driver_lock, *flags);
retval = request_irq(adapter->netdev->irq,
&slic_interrupt,
IRQF_SHARED,
adapter->netdev->name, adapter->netdev);
- spin_lock_irqsave(&slic_global.driver_lock.lock,
- slic_global.driver_lock.flags);
+ spin_lock_irqsave(&slic_global.driver_lock, *flags);
if (retval) {
dev_err(&adapter->netdev->dev,
@@ -2283,7 +2299,7 @@ static int slic_adapter_allocresources(struct adapter *adapter)
* Perform initialization of our slic interface.
*
*/
-static int slic_if_init(struct adapter *adapter)
+static int slic_if_init(struct adapter *adapter, unsigned long *flags)
{
struct sliccard *card = adapter->card;
struct net_device *dev = adapter->netdev;
@@ -2311,7 +2327,7 @@ static int slic_if_init(struct adapter *adapter)
if (dev->flags & IFF_MULTICAST)
adapter->macopts |= MAC_MCAST;
}
- rc = slic_adapter_allocresources(adapter);
+ rc = slic_adapter_allocresources(adapter, flags);
if (rc) {
dev_err(&dev->dev, "slic_adapter_allocresources FAILED %x\n",
rc);
@@ -2336,11 +2352,12 @@ static int slic_if_init(struct adapter *adapter)
mdelay(1);
if (!adapter->isp_initialized) {
+ unsigned long flags;
+
pshmem = (struct slic_shmem *)(unsigned long)
adapter->phys_shmem;
- spin_lock_irqsave(&adapter->bit64reglock.lock,
- adapter->bit64reglock.flags);
+ spin_lock_irqsave(&adapter->bit64reglock, flags);
#if BITS_PER_LONG == 64
slic_reg32_write(&slic_regs->slic_addr_upper,
@@ -2352,8 +2369,7 @@ static int slic_if_init(struct adapter *adapter)
slic_reg32_write(&slic_regs->slic_isp, (u32)&pshmem->isr,
FLUSH);
#endif
- spin_unlock_irqrestore(&adapter->bit64reglock.lock,
- adapter->bit64reglock.flags);
+ spin_unlock_irqrestore(&adapter->bit64reglock, flags);
adapter->isp_initialized = 1;
}
@@ -2386,7 +2402,22 @@ static int slic_if_init(struct adapter *adapter)
slic_reg32_write(&slic_regs->slic_icr, ICR_INT_ON, FLUSH);
slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD);
- slic_link_event_handler(adapter);
+ rc = slic_link_event_handler(adapter);
+ if (rc) {
+ /* disable interrupts then clear pending events */
+ slic_reg32_write(&slic_regs->slic_icr, ICR_INT_OFF, FLUSH);
+ slic_reg32_write(&slic_regs->slic_isr, 0, FLUSH);
+ if (adapter->pingtimerset) {
+ del_timer(&adapter->pingtimer);
+ adapter->pingtimerset = 0;
+ }
+ if (card->loadtimerset) {
+ del_timer(&card->loadtimer);
+ card->loadtimerset = 0;
+ }
+ adapter->state = ADAPT_DOWN;
+ slic_adapter_freeresources(adapter);
+ }
err:
return rc;
@@ -2396,18 +2427,18 @@ static int slic_entry_open(struct net_device *dev)
{
struct adapter *adapter = netdev_priv(dev);
struct sliccard *card = adapter->card;
+ unsigned long flags;
int status;
netif_stop_queue(adapter->netdev);
- spin_lock_irqsave(&slic_global.driver_lock.lock,
- slic_global.driver_lock.flags);
+ spin_lock_irqsave(&slic_global.driver_lock, flags);
if (!adapter->activated) {
card->adapters_activated++;
slic_global.num_slic_ports_active++;
adapter->activated = 1;
}
- status = slic_if_init(adapter);
+ status = slic_if_init(adapter, &flags);
if (status != 0) {
if (adapter->activated) {
@@ -2421,8 +2452,7 @@ static int slic_entry_open(struct net_device *dev)
card->master = adapter;
spin_unlock:
- spin_unlock_irqrestore(&slic_global.driver_lock.lock,
- slic_global.driver_lock.flags);
+ spin_unlock_irqrestore(&slic_global.driver_lock, flags);
return status;
}
@@ -2481,9 +2511,9 @@ static int slic_entry_halt(struct net_device *dev)
struct adapter *adapter = netdev_priv(dev);
struct sliccard *card = adapter->card;
__iomem struct slic_regs *slic_regs = adapter->slic_regs;
+ unsigned long flags;
- spin_lock_irqsave(&slic_global.driver_lock.lock,
- slic_global.driver_lock.flags);
+ spin_lock_irqsave(&slic_global.driver_lock, flags);
netif_stop_queue(adapter->netdev);
adapter->state = ADAPT_DOWN;
adapter->linkstate = LINK_DOWN;
@@ -2512,8 +2542,7 @@ static int slic_entry_halt(struct net_device *dev)
slic_card_init(card, adapter);
#endif
- spin_unlock_irqrestore(&slic_global.driver_lock.lock,
- slic_global.driver_lock.flags);
+ spin_unlock_irqrestore(&slic_global.driver_lock, flags);
return 0;
}
@@ -2618,7 +2647,8 @@ static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
else
duplex = 0;
slic_link_config(adapter, speed, duplex);
- slic_link_event_handler(adapter);
+ if (slic_link_event_handler(adapter))
+ return -EFAULT;
}
}
return 0;
@@ -2663,6 +2693,7 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
unsigned char oemfruformat;
struct atk_fru *patkfru;
union oemfru *poemfru;
+ unsigned long flags;
/* Reset everything except PCI configuration space */
slic_soft_reset(adapter);
@@ -2693,14 +2724,12 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
pshmem = (struct slic_shmem *)(unsigned long)
adapter->phys_shmem;
- spin_lock_irqsave(&adapter->bit64reglock.lock,
- adapter->bit64reglock.flags);
+ spin_lock_irqsave(&adapter->bit64reglock, flags);
slic_reg32_write(&slic_regs->slic_addr_upper,
SLIC_GET_ADDR_HIGH(&pshmem->isr), DONT_FLUSH);
slic_reg32_write(&slic_regs->slic_isp,
SLIC_GET_ADDR_LOW(&pshmem->isr), FLUSH);
- spin_unlock_irqrestore(&adapter->bit64reglock.lock,
- adapter->bit64reglock.flags);
+ spin_unlock_irqrestore(&adapter->bit64reglock, flags);
status = slic_config_get(adapter, phys_configl, phys_configh);
if (status) {
@@ -2747,7 +2776,7 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
/* Oasis card */
case SLIC_2GB_DEVICE_ID:
/* extract EEPROM data and pointers to EEPROM data */
- pOeeprom = (struct oslic_eeprom *) peeprom;
+ pOeeprom = (struct oslic_eeprom *)peeprom;
eecodesize = pOeeprom->EecodeSize;
dramsize = pOeeprom->DramSize;
pmac = pOeeprom->MacInfo;
@@ -2756,10 +2785,12 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
oemfruformat = pOeeprom->OemFruFormat;
poemfru = &pOeeprom->OemFru;
macaddrs = 2;
- /* Minor kludge for Oasis card
- get 2 MAC addresses from the
- EEPROM to ensure that function 1
- gets the Port 1 MAC address */
+ /*
+ * Minor kludge for Oasis card
+ * get 2 MAC addresses from the
+ * EEPROM to ensure that function 1
+ * gets the Port 1 MAC address
+ */
break;
default:
/* extract EEPROM data and pointers to EEPROM data */
@@ -2780,16 +2811,16 @@ static int slic_card_init(struct sliccard *card, struct adapter *adapter)
(eecodesize >= MIN_EECODE_SIZE)) {
ee_chksum =
- *(u16 *) ((char *) peeprom + (eecodesize - 2));
+ *(u16 *)((char *)peeprom + (eecodesize - 2));
/*
- calculate the EEPROM checksum
- */
+ * calculate the EEPROM checksum
+ */
calc_chksum = slic_eeprom_cksum(peeprom,
eecodesize - 2);
/*
- if the ucdoe chksum flag bit worked,
- we wouldn't need this
- */
+ * if the ucdoe chksum flag bit worked,
+ * we wouldn't need this
+ */
if (ee_chksum == calc_chksum)
card->config.EepromValid = true;
}
@@ -2854,7 +2885,7 @@ static void slic_init_driver(void)
{
if (slic_first_init) {
slic_first_init = 0;
- spin_lock_init(&slic_global.driver_lock.lock);
+ spin_lock_init(&slic_global.driver_lock);
}
}
@@ -2874,25 +2905,25 @@ static void slic_init_adapter(struct net_device *netdev,
adapter->busnumber = pcidev->bus->number;
adapter->slotnumber = ((pcidev->devfn >> 3) & 0x1F);
adapter->functionnumber = (pcidev->devfn & 0x7);
- adapter->slic_regs = (__iomem struct slic_regs *)memaddr;
+ adapter->slic_regs = memaddr;
adapter->irq = pcidev->irq;
/* adapter->netdev = netdev;*/
adapter->chipid = chip_idx;
adapter->port = 0; /*adapter->functionnumber;*/
adapter->cardindex = adapter->port;
- spin_lock_init(&adapter->upr_lock.lock);
- spin_lock_init(&adapter->bit64reglock.lock);
- spin_lock_init(&adapter->adapter_lock.lock);
- spin_lock_init(&adapter->reset_lock.lock);
- spin_lock_init(&adapter->handle_lock.lock);
+ spin_lock_init(&adapter->upr_lock);
+ spin_lock_init(&adapter->bit64reglock);
+ spin_lock_init(&adapter->adapter_lock);
+ spin_lock_init(&adapter->reset_lock);
+ spin_lock_init(&adapter->handle_lock);
adapter->card_size = 1;
/*
- Initialize slic_handle array
- */
+ * Initialize slic_handle array
+ */
/*
- Start with 1. 0 is an invalid host handle.
- */
+ * Start with 1. 0 is an invalid host handle.
+ */
for (index = 1, pslic_handle = &adapter->slic_handles[1];
index < SLIC_CMDQ_MAXCMDS; index++, pslic_handle++) {
@@ -2943,11 +2974,11 @@ static u32 slic_card_locate(struct adapter *adapter)
}
hostid_reg =
- (u16 __iomem *) (((u8 __iomem *) (adapter->slic_regs)) +
+ (u16 __iomem *)(((u8 __iomem *)(adapter->slic_regs)) +
rdhostid_offset);
/* read the 16 bit hostid from SRAM */
- card_hostid = (ushort) readw(hostid_reg);
+ card_hostid = (ushort)readw(hostid_reg);
/* Initialize a new card structure if need be */
if (card_hostid == SLIC_HOSTID_DEFAULT) {
@@ -3093,7 +3124,6 @@ static int slic_entry_probe(struct pci_dev *pcidev,
mmio_start = pci_resource_start(pcidev, 0);
mmio_len = pci_resource_len(pcidev, 0);
-
/* memmapped_ioaddr = (u32)ioremap_nocache(mmio_start, mmio_len);*/
memmapped_ioaddr = ioremap(mmio_start, mmio_len);
if (!memmapped_ioaddr) {
@@ -3129,7 +3159,7 @@ static int slic_entry_probe(struct pci_dev *pcidev,
slic_adapter_set_hwaddr(adapter);
- netdev->base_addr = (unsigned long) memmapped_ioaddr;
+ netdev->base_addr = (unsigned long)memmapped_ioaddr;
netdev->irq = adapter->irq;
netdev->netdev_ops = &slic_netdev_ops;