diff options
Diffstat (limited to 'drivers/net/wan/lmc/lmc_main.c')
| -rw-r--r-- | drivers/net/wan/lmc/lmc_main.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c index f80640f5a744..d7bb63e616b5 100644 --- a/drivers/net/wan/lmc/lmc_main.c +++ b/drivers/net/wan/lmc/lmc_main.c @@ -122,7 +122,6 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ * Most functions mess with the structure * Disable interrupts while we do the polling */ - spin_lock_irqsave(&sc->lmc_lock, flags); switch (cmd) { /* @@ -152,6 +151,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; } + spin_lock_irqsave(&sc->lmc_lock, flags); sc->lmc_media->set_status (sc, &ctl); if(ctl.crc_length != sc->ictl.crc_length) { @@ -161,6 +161,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ else sc->TxDescriptControlInit &= ~LMC_TDES_ADD_CRC_DISABLE; } + spin_unlock_irqrestore(&sc->lmc_lock, flags); ret = 0; break; @@ -187,15 +188,18 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; /* no change */ } + spin_lock_irqsave(&sc->lmc_lock, flags); lmc_proto_close(sc); sc->if_type = new_type; lmc_proto_attach(sc); ret = lmc_proto_open(sc); + spin_unlock_irqrestore(&sc->lmc_lock, flags); break; } case LMCIOCGETXINFO: /*fold01*/ + spin_lock_irqsave(&sc->lmc_lock, flags); sc->lmc_xinfo.Magic0 = 0xBEEFCAFE; sc->lmc_xinfo.PciCardType = sc->lmc_cardtype; @@ -208,6 +212,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ sc->lmc_xinfo.MaxFrameSize = LMC_PKT_BUF_SZ; sc->lmc_xinfo.link_status = sc->lmc_media->get_link_status (sc); sc->lmc_xinfo.mii_reg16 = lmc_mii_readreg (sc, 0, 16); + spin_unlock_irqrestore(&sc->lmc_lock, flags); sc->lmc_xinfo.Magic1 = 0xDEADBEEF; @@ -220,6 +225,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; case LMCIOCGETLMCSTATS: + spin_lock_irqsave(&sc->lmc_lock, flags); if (sc->lmc_cardtype == LMC_CARDTYPE_T1) { lmc_mii_writereg(sc, 0, 17, T1FRAMER_FERR_LSB); sc->extra_stats.framingBitErrorCount += @@ -243,6 +249,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ sc->extra_stats.severelyErroredFrameCount += regVal & T1FRAMER_SEF_MASK; } + spin_unlock_irqrestore(&sc->lmc_lock, flags); if (copy_to_user(ifr->ifr_data, &sc->lmc_device->stats, sizeof(sc->lmc_device->stats)) || copy_to_user(ifr->ifr_data + sizeof(sc->lmc_device->stats), @@ -258,12 +265,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; } + spin_lock_irqsave(&sc->lmc_lock, flags); memset(&sc->lmc_device->stats, 0, sizeof(sc->lmc_device->stats)); memset(&sc->extra_stats, 0, sizeof(sc->extra_stats)); sc->extra_stats.check = STATCHECK; sc->extra_stats.version_size = (DRIVER_VERSION << 16) + sizeof(sc->lmc_device->stats) + sizeof(sc->extra_stats); sc->extra_stats.lmc_cardtype = sc->lmc_cardtype; + spin_unlock_irqrestore(&sc->lmc_lock, flags); ret = 0; break; @@ -282,8 +291,10 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ ret = -EFAULT; break; } + spin_lock_irqsave(&sc->lmc_lock, flags); sc->lmc_media->set_circuit_type(sc, ctl.circuit_type); sc->ictl.circuit_type = ctl.circuit_type; + spin_unlock_irqrestore(&sc->lmc_lock, flags); ret = 0; break; @@ -294,12 +305,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; } + spin_lock_irqsave(&sc->lmc_lock, flags); /* Reset driver and bring back to current state */ printk (" REG16 before reset +%04x\n", lmc_mii_readreg (sc, 0, 16)); lmc_running_reset (dev); printk (" REG16 after reset +%04x\n", lmc_mii_readreg (sc, 0, 16)); LMC_EVENT_LOG(LMC_EVENT_FORCEDRESET, LMC_CSR_READ (sc, csr_status), lmc_mii_readreg (sc, 0, 16)); + spin_unlock_irqrestore(&sc->lmc_lock, flags); ret = 0; break; @@ -338,14 +351,15 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ */ netif_stop_queue(dev); - if (copy_from_user(&xc, ifr->ifr_data, sizeof(struct lmc_xilinx_control))) { + if (copy_from_user(&xc, ifr->ifr_data, sizeof(struct lmc_xilinx_control))) { ret = -EFAULT; break; - } + } switch(xc.command){ case lmc_xilinx_reset: /*fold02*/ { u16 mii; + spin_lock_irqsave(&sc->lmc_lock, flags); mii = lmc_mii_readreg (sc, 0, 16); /* @@ -404,6 +418,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ lmc_led_off(sc, LMC_DS3_LED2); } } + spin_unlock_irqrestore(&sc->lmc_lock, flags); @@ -416,6 +431,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ { u16 mii; int timeout = 500000; + spin_lock_irqsave(&sc->lmc_lock, flags); mii = lmc_mii_readreg (sc, 0, 16); /* @@ -451,13 +467,14 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ */ while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 && (timeout-- > 0)) - ; + cpu_relax(); /* * stop driving Xilinx-related signals */ lmc_gpio_mkinput(sc, 0xff); + spin_unlock_irqrestore(&sc->lmc_lock, flags); ret = 0x0; @@ -493,6 +510,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ printk("%s: Starting load of data Len: %d at 0x%p == 0x%p\n", dev->name, xc.len, xc.data, data); + spin_lock_irqsave(&sc->lmc_lock, flags); lmc_gpio_mkinput(sc, 0xff); /* @@ -545,7 +563,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ */ while( (LMC_CSR_READ(sc, csr_gp) & LMC_GEP_INIT) == 0 && (timeout-- > 0)) - ; + cpu_relax(); printk(KERN_DEBUG "%s: Waited %d for the Xilinx to clear it's memory\n", dev->name, 500000-timeout); @@ -588,6 +606,7 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ sc->lmc_miireg16 &= ~LMC_MII16_FIFO_RESET; lmc_mii_writereg(sc, 0, 16, sc->lmc_miireg16); + spin_unlock_irqrestore(&sc->lmc_lock, flags); kfree(data); @@ -611,8 +630,6 @@ int lmc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) /*fold00*/ break; } - spin_unlock_irqrestore(&sc->lmc_lock, flags); /*fold01*/ - lmc_trace(dev, "lmc_ioctl out"); return ret; |