diff options
author | Thomas Bogendoerfer <tbogendoerfer@suse.de> | 2019-08-30 11:25:26 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2019-08-30 22:54:35 +0200 |
commit | c1b6a3d85d3f2a9500a9fddf6820a0fd1b1bc4e8 (patch) | |
tree | ff9b1f0997e36860bc0cf3eb24376ccda76d9f60 /drivers/net/ethernet/sgi | |
parent | MIPS: SGI-IP27: restructure ioc3 register access (diff) | |
download | linux-c1b6a3d85d3f2a9500a9fddf6820a0fd1b1bc4e8.tar.xz linux-c1b6a3d85d3f2a9500a9fddf6820a0fd1b1bc4e8.zip |
net: sgi: ioc3-eth: remove checkpatch errors/warning
Before massaging the driver further fix oddities found by checkpatch like
- wrong indention
- comment formatting
- use of printk instead or netdev_xxx/pr_xxx
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sgi')
-rw-r--r-- | drivers/net/ethernet/sgi/ioc3-eth.c | 275 |
1 files changed, 130 insertions, 145 deletions
diff --git a/drivers/net/ethernet/sgi/ioc3-eth.c b/drivers/net/ethernet/sgi/ioc3-eth.c index 713d2472cb97..51cc1389e204 100644 --- a/drivers/net/ethernet/sgi/ioc3-eth.c +++ b/drivers/net/ethernet/sgi/ioc3-eth.c @@ -1,9 +1,5 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Driver for SGI's IOC3 based Ethernet cards as found in the PCI card. +// SPDX-License-Identifier: GPL-2.0 +/* Driver for SGI's IOC3 based Ethernet cards as found in the PCI card. * * Copyright (C) 1999, 2000, 01, 03, 06 Ralf Baechle * Copyright (C) 1995, 1999, 2000, 2001 by Silicon Graphics, Inc. @@ -39,6 +35,7 @@ #include <linux/crc32.h> #include <linux/mii.h> #include <linux/in.h> +#include <linux/io.h> #include <linux/ip.h> #include <linux/tcp.h> #include <linux/udp.h> @@ -58,21 +55,19 @@ #include <net/ip.h> #include <asm/byteorder.h> -#include <asm/io.h> #include <asm/pgtable.h> #include <linux/uaccess.h> #include <asm/sn/types.h> #include <asm/sn/ioc3.h> #include <asm/pci/bridge.h> -/* - * 64 RX buffers. This is tunable in the range of 16 <= x < 512. The +/* 64 RX buffers. This is tunable in the range of 16 <= x < 512. The * value must be a power of two. */ #define RX_BUFFS 64 -#define ETCSR_FD ((17<<ETCSR_IPGR2_SHIFT) | (11<<ETCSR_IPGR1_SHIFT) | 21) -#define ETCSR_HD ((21<<ETCSR_IPGR2_SHIFT) | (21<<ETCSR_IPGR1_SHIFT) | 21) +#define ETCSR_FD ((17 << ETCSR_IPGR2_SHIFT) | (11 << ETCSR_IPGR1_SHIFT) | 21) +#define ETCSR_HD ((21 << ETCSR_IPGR2_SHIFT) | (21 << ETCSR_IPGR1_SHIFT) | 21) /* Private per NIC data of the driver. */ struct ioc3_private { @@ -119,14 +114,15 @@ static inline unsigned long aligned_rx_skb_addr(unsigned long addr) return (~addr + 1) & (IOC3_CACHELINE - 1UL); } -static inline struct sk_buff * ioc3_alloc_skb(unsigned long length, - unsigned int gfp_mask) +static inline struct sk_buff *ioc3_alloc_skb(unsigned long length, + unsigned int gfp_mask) { struct sk_buff *skb; skb = alloc_skb(length + IOC3_CACHELINE - 1, gfp_mask); if (likely(skb)) { - int offset = aligned_rx_skb_addr((unsigned long) skb->data); + int offset = aligned_rx_skb_addr((unsigned long)skb->data); + if (offset) skb_reserve(skb, offset); } @@ -147,15 +143,11 @@ static inline unsigned long ioc3_map(void *ptr, unsigned long vdev) } /* BEWARE: The IOC3 documentation documents the size of rx buffers as - 1644 while it's actually 1664. This one was nasty to track down ... */ + * 1644 while it's actually 1664. This one was nasty to track down ... + */ #define RX_OFFSET 10 #define RX_BUF_ALLOC_SIZE (1664 + RX_OFFSET + IOC3_CACHELINE) -/* DMA barrier to separate cached and uncached accesses. */ -#define BARRIER() \ - __asm__("sync" ::: "memory") - - #define IOC3_SIZE 0x100000 static inline u32 mcr_pack(u32 pulse, u32 sample) @@ -176,7 +168,7 @@ static int nic_wait(u32 __iomem *mcr) static int nic_reset(u32 __iomem *mcr) { - int presence; + int presence; writel(mcr_pack(500, 65), mcr); presence = nic_wait(mcr); @@ -184,7 +176,7 @@ static int nic_reset(u32 __iomem *mcr) writel(mcr_pack(0, 500), mcr); nic_wait(mcr); - return presence; + return presence; } static inline int nic_read_bit(u32 __iomem *mcr) @@ -209,8 +201,7 @@ static inline void nic_write_bit(u32 __iomem *mcr, int bit) nic_wait(mcr); } -/* - * Read a byte from an iButton device +/* Read a byte from an iButton device */ static u32 nic_read_byte(u32 __iomem *mcr) { @@ -223,8 +214,7 @@ static u32 nic_read_byte(u32 __iomem *mcr) return result; } -/* - * Write a byte to an iButton device +/* Write a byte to an iButton device */ static void nic_write_byte(u32 __iomem *mcr, int byte) { @@ -253,7 +243,7 @@ static u64 nic_find(u32 __iomem *mcr, int *last) b = nic_read_bit(mcr); if (a && b) { - printk("NIC search failed (not fatal).\n"); + pr_warn("NIC search failed (not fatal).\n"); *last = 0; return 0; } @@ -264,8 +254,9 @@ static u64 nic_find(u32 __iomem *mcr, int *last) } else if (index > *last) { address &= ~(1UL << index); disc = index; - } else if ((address & (1UL << index)) == 0) + } else if ((address & (1UL << index)) == 0) { disc = index; + } nic_write_bit(mcr, address & (1UL << index)); continue; } else { @@ -293,6 +284,7 @@ static int nic_init(u32 __iomem *mcr) while (1) { u64 reg; + reg = nic_find(mcr, &save); switch (reg & 0xff) { @@ -323,16 +315,15 @@ static int nic_init(u32 __iomem *mcr) break; } - printk("Found %s NIC", type); + pr_info("Found %s NIC", type); if (type != unknown) - printk (" registration number %pM, CRC %02x", serial, crc); - printk(".\n"); + pr_cont(" registration number %pM, CRC %02x", serial, crc); + pr_cont(".\n"); return 0; } -/* - * Read the NIC (Number-In-a-Can) device used to store the MAC address on +/* Read the NIC (Number-In-a-Can) device used to store the MAC address on * SN0 / SN00 nodeboards and PCI cards. */ static void ioc3_get_eaddr_nic(struct ioc3_private *ip) @@ -351,7 +342,7 @@ static void ioc3_get_eaddr_nic(struct ioc3_private *ip) } if (tries < 0) { - printk("Failed to read MAC address\n"); + pr_err("Failed to read MAC address\n"); return; } @@ -367,8 +358,7 @@ static void ioc3_get_eaddr_nic(struct ioc3_private *ip) ip->dev->dev_addr[i - 2] = nic[i]; } -/* - * Ok, this is hosed by design. It's necessary to know what machine the +/* Ok, this is hosed by design. It's necessary to know what machine the * NIC is in in order to know how to read the NIC address. We also have * to know if it's a PCI card or a NIC in on the node board ... */ @@ -376,7 +366,7 @@ static void ioc3_get_eaddr(struct ioc3_private *ip) { ioc3_get_eaddr_nic(ip); - printk("Ethernet address is %pM.\n", ip->dev->dev_addr); + pr_info("Ethernet address is %pM.\n", ip->dev->dev_addr); } static void __ioc3_set_mac_address(struct net_device *dev) @@ -407,8 +397,7 @@ static int ioc3_set_mac_address(struct net_device *dev, void *addr) return 0; } -/* - * Caller must hold the ioc3_lock ever for MII readers. This is also +/* Caller must hold the ioc3_lock ever for MII readers. This is also * used to protect the transmitter side but it's low contention. */ static int ioc3_mdio_read(struct net_device *dev, int phy, int reg) @@ -450,17 +439,16 @@ static struct net_device_stats *ioc3_get_stats(struct net_device *dev) return &dev->stats; } -static void ioc3_tcpudp_checksum(struct sk_buff *skb, uint32_t hwsum, int len) +static void ioc3_tcpudp_checksum(struct sk_buff *skb, u32 hwsum, int len) { struct ethhdr *eh = eth_hdr(skb); - uint32_t csum, ehsum; unsigned int proto; - struct iphdr *ih; - uint16_t *ew; unsigned char *cp; + struct iphdr *ih; + u32 csum, ehsum; + u16 *ew; - /* - * Did hardware handle the checksum at all? The cases we can handle + /* Did hardware handle the checksum at all? The cases we can handle * are: * * - TCP and UDP checksums of IPv4 only. @@ -476,7 +464,7 @@ static void ioc3_tcpudp_checksum(struct sk_buff *skb, uint32_t hwsum, int len) if (eh->h_proto != htons(ETH_P_IP)) return; - ih = (struct iphdr *) ((char *)eh + ETH_HLEN); + ih = (struct iphdr *)((char *)eh + ETH_HLEN); if (ip_is_fragment(ih)) return; @@ -487,12 +475,12 @@ static void ioc3_tcpudp_checksum(struct sk_buff *skb, uint32_t hwsum, int len) /* Same as tx - compute csum of pseudo header */ csum = hwsum + (ih->tot_len - (ih->ihl << 2)) + - htons((uint16_t)ih->protocol) + + htons((u16)ih->protocol) + (ih->saddr >> 16) + (ih->saddr & 0xffff) + (ih->daddr >> 16) + (ih->daddr & 0xffff); /* Sum up ethernet dest addr, src addr and protocol */ - ew = (uint16_t *) eh; + ew = (u16 *)eh; ehsum = ew[0] + ew[1] + ew[2] + ew[3] + ew[4] + ew[5] + ew[6]; ehsum = (ehsum & 0xffff) + (ehsum >> 16); @@ -501,14 +489,15 @@ static void ioc3_tcpudp_checksum(struct sk_buff *skb, uint32_t hwsum, int len) csum += 0xffff ^ ehsum; /* In the next step we also subtract the 1's complement - checksum of the trailing ethernet CRC. */ + * checksum of the trailing ethernet CRC. + */ cp = (char *)eh + len; /* points at trailing CRC */ if (len & 1) { - csum += 0xffff ^ (uint16_t) ((cp[1] << 8) | cp[0]); - csum += 0xffff ^ (uint16_t) ((cp[3] << 8) | cp[2]); + csum += 0xffff ^ (u16)((cp[1] << 8) | cp[0]); + csum += 0xffff ^ (u16)((cp[3] << 8) | cp[2]); } else { - csum += 0xffff ^ (uint16_t) ((cp[0] << 8) | cp[1]); - csum += 0xffff ^ (uint16_t) ((cp[2] << 8) | cp[3]); + csum += 0xffff ^ (u16)((cp[0] << 8) | cp[1]); + csum += 0xffff ^ (u16)((cp[2] << 8) | cp[3]); } csum = (csum & 0xffff) + (csum >> 16); @@ -532,7 +521,7 @@ static inline void ioc3_rx(struct net_device *dev) n_entry = ip->rx_pi; skb = ip->rx_skbs[rx_entry]; - rxb = (struct ioc3_erxbuf *) (skb->data - RX_OFFSET); + rxb = (struct ioc3_erxbuf *)(skb->data - RX_OFFSET); w0 = be32_to_cpu(rxb->w0); while (w0 & ERXBUF_V) { @@ -545,7 +534,8 @@ static inline void ioc3_rx(struct net_device *dev) new_skb = ioc3_alloc_skb(RX_BUF_ALLOC_SIZE, GFP_ATOMIC); if (!new_skb) { /* Ouch, drop packet and just recycle packet - to keep the ring filled. */ + * to keep the ring filled. + */ dev->stats.rx_dropped++; new_skb = skb; goto next; @@ -553,7 +543,8 @@ static inline void ioc3_rx(struct net_device *dev) if (likely(dev->features & NETIF_F_RXCSUM)) ioc3_tcpudp_checksum(skb, - w0 & ERXBUF_IPCKSUM_MASK, len); + w0 & ERXBUF_IPCKSUM_MASK, + len); netif_rx(skb); @@ -561,15 +552,16 @@ static inline void ioc3_rx(struct net_device *dev) /* Because we reserve afterwards. */ skb_put(new_skb, (1664 + RX_OFFSET)); - rxb = (struct ioc3_erxbuf *) new_skb->data; + rxb = (struct ioc3_erxbuf *)new_skb->data; skb_reserve(new_skb, RX_OFFSET); dev->stats.rx_packets++; /* Statistics */ dev->stats.rx_bytes += len; } else { /* The frame is invalid and the skb never - reached the network layer so we can just - recycle it. */ + * reached the network layer so we can just + * recycle it. + */ new_skb = skb; dev->stats.rx_errors++; } @@ -586,7 +578,7 @@ next: /* Now go on to the next ring entry. */ rx_entry = (rx_entry + 1) & 511; skb = ip->rx_skbs[rx_entry]; - rxb = (struct ioc3_erxbuf *) (skb->data - RX_OFFSET); + rxb = (struct ioc3_erxbuf *)(skb->data - RX_OFFSET); w0 = be32_to_cpu(rxb->w0); } writel((n_entry << 3) | ERPIR_ARM, &ip->regs->erpir); @@ -635,8 +627,7 @@ static inline void ioc3_tx(struct net_device *dev) spin_unlock(&ip->ioc3_lock); } -/* - * Deal with fatal IOC3 errors. This condition might be caused by a hard or +/* Deal with fatal IOC3 errors. This condition might be caused by a hard or * software problems, so we should try to recover * more gracefully if this ever happens. In theory we might be flooded * with such error interrupts if something really goes wrong, so we might @@ -645,22 +636,21 @@ static inline void ioc3_tx(struct net_device *dev) static void ioc3_error(struct net_device *dev, u32 eisr) { struct ioc3_private *ip = netdev_priv(dev); - unsigned char *iface = dev->name; spin_lock(&ip->ioc3_lock); if (eisr & EISR_RXOFLO) - printk(KERN_ERR "%s: RX overflow.\n", iface); + net_err_ratelimited("%s: RX overflow.\n", dev->name); if (eisr & EISR_RXBUFOFLO) - printk(KERN_ERR "%s: RX buffer overflow.\n", iface); + net_err_ratelimited("%s: RX buffer overflow.\n", dev->name); if (eisr & EISR_RXMEMERR) - printk(KERN_ERR "%s: RX PCI error.\n", iface); + net_err_ratelimited("%s: RX PCI error.\n", dev->name); if (eisr & EISR_RXPARERR) - printk(KERN_ERR "%s: RX SSRAM parity error.\n", iface); + net_err_ratelimited("%s: RX SSRAM parity error.\n", dev->name); if (eisr & EISR_TXBUFUFLO) - printk(KERN_ERR "%s: TX buffer underflow.\n", iface); + net_err_ratelimited("%s: TX buffer underflow.\n", dev->name); if (eisr & EISR_TXMEMERR) - printk(KERN_ERR "%s: TX PCI error.\n", iface); + net_err_ratelimited("%s: TX PCI error.\n", dev->name); ioc3_stop(ip); ioc3_init(dev); @@ -672,7 +662,8 @@ static void ioc3_error(struct net_device *dev, u32 eisr) } /* The interrupt handler does all of the Rx thread work and cleans up - after the Tx thread. */ + * after the Tx thread. + */ static irqreturn_t ioc3_interrupt(int irq, void *dev_id) { struct ioc3_private *ip = netdev_priv(dev_id); @@ -684,7 +675,7 @@ static irqreturn_t ioc3_interrupt(int irq, void *dev_id) readl(®s->eisr); /* Flush */ if (eisr & (EISR_RXOFLO | EISR_RXBUFOFLO | EISR_RXMEMERR | - EISR_RXPARERR | EISR_TXBUFUFLO | EISR_TXMEMERR)) + EISR_RXPARERR | EISR_TXBUFUFLO | EISR_TXMEMERR)) ioc3_error(dev_id, eisr); if (eisr & EISR_RXTIMERINT) ioc3_rx(dev_id); @@ -716,12 +707,11 @@ static void ioc3_timer(struct timer_list *t) mii_check_media(&ip->mii, 1, 0); ioc3_setup_duplex(ip); - ip->ioc3_timer.expires = jiffies + ((12 * HZ)/10); /* 1.2s */ + ip->ioc3_timer.expires = jiffies + ((12 * HZ) / 10); /* 1.2s */ add_timer(&ip->ioc3_timer); } -/* - * Try to find a PHY. There is no apparent relation between the MII addresses +/* Try to find a PHY. There is no apparent relation between the MII addresses * in the SGI documentation and what we find in reality, so we simply probe * for the PHY. It seems IOC3 PHYs usually live on address 31. One of my * onboard IOC3s has the special oddity that probing doesn't seem to find it @@ -730,8 +720,8 @@ static void ioc3_timer(struct timer_list *t) */ static int ioc3_mii_init(struct ioc3_private *ip) { - int i, found = 0, res = 0; int ioc3_phy_workaround = 1; + int i, found = 0, res = 0; u16 word; for (i = 0; i < 32; i++) { @@ -744,9 +734,9 @@ static int ioc3_mii_init(struct ioc3_private *ip) } if (!found) { - if (ioc3_phy_workaround) + if (ioc3_phy_workaround) { i = 31; - else { + } else { ip->mii.phy_id = -1; res = -ENODEV; goto out; @@ -761,12 +751,13 @@ out: static void ioc3_mii_start(struct ioc3_private *ip) { - ip->ioc3_timer.expires = jiffies + (12 * HZ)/10; /* 1.2 sec. */ + ip->ioc3_timer.expires = jiffies + (12 * HZ) / 10; /* 1.2 sec. */ add_timer(&ip->ioc3_timer); } static inline void ioc3_clean_rx_ring(struct ioc3_private *ip) { + struct ioc3_erxbuf *rxb; struct sk_buff *skb; int i; @@ -777,10 +768,9 @@ static inline void ioc3_clean_rx_ring(struct ioc3_private *ip) ip->rx_pi &= 511; ip->rx_ci &= 511; - for (i = ip->rx_ci; i != ip->rx_pi; i = (i+1) & 511) { - struct ioc3_erxbuf *rxb; + for (i = ip->rx_ci; i != ip->rx_pi; i = (i + 1) & 511) { skb = ip->rx_skbs[i]; - rxb = (struct ioc3_erxbuf *) (skb->data - RX_OFFSET); + rxb = (struct ioc3_erxbuf *)(skb->data - RX_OFFSET); rxb->w0 = 0; } } @@ -790,7 +780,7 @@ static inline void ioc3_clean_tx_ring(struct ioc3_private *ip) struct sk_buff *skb; int i; - for (i=0; i < 128; i++) { + for (i = 0; i < 128; i++) { skb = ip->tx_skbs[i]; if (skb) { ip->tx_skbs[i] = NULL; @@ -836,16 +826,17 @@ static void ioc3_alloc_rings(struct net_device *dev) unsigned long *rxr; int i; - if (ip->rxr == NULL) { + if (!ip->rxr) { /* Allocate and initialize rx ring. 4kb = 512 entries */ - ip->rxr = (unsigned long *) get_zeroed_page(GFP_ATOMIC); + ip->rxr = (unsigned long *)get_zeroed_page(GFP_ATOMIC); rxr = ip->rxr; if (!rxr) - printk("ioc3_alloc_rings(): get_zeroed_page() failed!\n"); + pr_err("%s: get_zeroed_page() failed!\n", __func__); /* Now the rx buffers. The RX ring may be larger but - we only allocate 16 buffers for now. Need to tune - this for performance and memory later. */ + * we only allocate 16 buffers for now. Need to tune + * this for performance and memory later. + */ for (i = 0; i < RX_BUFFS; i++) { struct sk_buff *skb; @@ -859,7 +850,7 @@ static void ioc3_alloc_rings(struct net_device *dev) /* Because we reserve afterwards. */ skb_put(skb, (1664 + RX_OFFSET)); - rxb = (struct ioc3_erxbuf *) skb->data; + rxb = (struct ioc3_erxbuf *)skb->data; rxr[i] = cpu_to_be64(ioc3_map(rxb, 1)); skb_reserve(skb, RX_OFFSET); } @@ -867,11 +858,11 @@ static void ioc3_alloc_rings(struct net_device *dev) ip->rx_pi = RX_BUFFS; } - if (ip->txr == NULL) { + if (!ip->txr) { /* Allocate and initialize tx rings. 16kb = 128 bufs. */ ip->txr = (struct ioc3_etxd *)__get_free_pages(GFP_KERNEL, 2); if (!ip->txr) - printk("ioc3_alloc_rings(): __get_free_pages() failed!\n"); + pr_err("%s: __get_free_pages() failed!\n", __func__); ip->tx_pi = 0; ip->tx_ci = 0; } @@ -964,7 +955,7 @@ static void ioc3_init(struct net_device *dev) ioc3_init_rings(dev); ip->emcr |= ((RX_OFFSET / 2) << EMCR_RXOFF_SHIFT) | EMCR_TXDMAEN | - EMCR_TXEN | EMCR_RXDMAEN | EMCR_RXEN | EMCR_PADEN; + EMCR_TXEN | EMCR_RXDMAEN | EMCR_RXEN | EMCR_PADEN; writel(ip->emcr, ®s->emcr); writel(EISR_RXTIMERINT | EISR_RXOFLO | EISR_RXBUFOFLO | EISR_RXMEMERR | EISR_RXPARERR | EISR_TXBUFUFLO | @@ -986,7 +977,7 @@ static int ioc3_open(struct net_device *dev) struct ioc3_private *ip = netdev_priv(dev); if (request_irq(dev->irq, ioc3_interrupt, IRQF_SHARED, ioc3_str, dev)) { - printk(KERN_ERR "%s: Can't get irq %d\n", dev->name, dev->irq); + netdev_err(dev, "Can't get irq %d\n", dev->irq); return -EAGAIN; } @@ -1015,8 +1006,7 @@ static int ioc3_close(struct net_device *dev) return 0; } -/* - * MENET cards have four IOC3 chips, which are attached to two sets of +/* MENET cards have four IOC3 chips, which are attached to two sets of * PCI slot resources each: the primary connections are on slots * 0..3 and the secondaries are on 4..7 * @@ -1033,7 +1023,7 @@ static int ioc3_adjacent_is_ioc3(struct pci_dev *pdev, int slot) if (dev) { if (dev->vendor == PCI_VENDOR_ID_SGI && - dev->device == PCI_DEVICE_ID_SGI_IOC3) + dev->device == PCI_DEVICE_ID_SGI_IOC3) ret = 1; pci_dev_put(dev); } @@ -1043,15 +1033,14 @@ static int ioc3_adjacent_is_ioc3(struct pci_dev *pdev, int slot) static int ioc3_is_menet(struct pci_dev *pdev) { - return pdev->bus->parent == NULL && + return !pdev->bus->parent && ioc3_adjacent_is_ioc3(pdev, 0) && ioc3_adjacent_is_ioc3(pdev, 1) && ioc3_adjacent_is_ioc3(pdev, 2); } #ifdef CONFIG_SERIAL_8250 -/* - * Note about serial ports and consoles: +/* Note about serial ports and consoles: * For console output, everyone uses the IOC3 UARTA (offset 0x178) * connected to the master node (look in ip27_setup_console() and * ip27prom_console_write()). @@ -1088,16 +1077,16 @@ static void ioc3_8250_register(struct ioc3_uartregs __iomem *uart) #define COSMISC_CONSTANT 6 struct uart_8250_port port = { - .port = { + .port = { .irq = 0, .flags = UPF_SKIP_TEST | UPF_BOOT_AUTOCONF, .iotype = UPIO_MEM, .regshift = 0, .uartclk = (22000000 << 1) / COSMISC_CONSTANT, - .membase = (unsigned char __iomem *) uart, - .mapbase = (unsigned long) uart, - } + .membase = (unsigned char __iomem *)uart, + .mapbase = (unsigned long)uart, + } }; unsigned char lcr; @@ -1113,8 +1102,7 @@ static void ioc3_serial_probe(struct pci_dev *pdev, struct ioc3 *ioc3) { u32 sio_iec; - /* - * We need to recognice and treat the fourth MENET serial as it + /* We need to recognice and treat the fourth MENET serial as it * does not have an SuperIO chip attached to it, therefore attempting * to access it will result in bus errors. We call something an * MENET if PCI slot 0, 1, 2 and 3 of a master PCI bus all have an IOC3 @@ -1125,8 +1113,7 @@ static void ioc3_serial_probe(struct pci_dev *pdev, struct ioc3 *ioc3) if (ioc3_is_menet(pdev) && PCI_SLOT(pdev->devfn) == 3) return; - /* - * Switch IOC3 to PIO mode. It probably already was but let's be + /* Switch IOC3 to PIO mode. It probably already was but let's be * paranoid */ writel(GPCR_UARTA_MODESEL | GPCR_UARTB_MODESEL, &ioc3->gpcr_s); @@ -1188,15 +1175,15 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_using_dac = 1; err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); if (err < 0) { - printk(KERN_ERR "%s: Unable to obtain 64 bit DMA " - "for consistent allocations\n", pci_name(pdev)); + pr_err("%s: Unable to obtain 64 bit DMA for consistent allocations\n", + pci_name(pdev)); goto out; } } else { err = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); if (err) { - printk(KERN_ERR "%s: No usable DMA configuration, " - "aborting.\n", pci_name(pdev)); + pr_err("%s: No usable DMA configuration, aborting.\n", + pci_name(pdev)); goto out; } pci_using_dac = 0; @@ -1227,9 +1214,9 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ioc3_base = pci_resource_start(pdev, 0); ioc3_size = pci_resource_len(pdev, 0); - ioc3 = (struct ioc3 *) ioremap(ioc3_base, ioc3_size); + ioc3 = (struct ioc3 *)ioremap(ioc3_base, ioc3_size); if (!ioc3) { - printk(KERN_CRIT "ioc3eth(%s): ioremap failed, goodbye.\n", + pr_err("ioc3eth(%s): ioremap failed, goodbye.\n", pci_name(pdev)); err = -ENOMEM; goto out_res; @@ -1259,7 +1246,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) ioc3_mii_init(ip); if (ip->mii.phy_id == -1) { - printk(KERN_CRIT "ioc3-eth(%s): Didn't find a PHY, goodbye.\n", + pr_err("ioc3-eth(%s): Didn't find a PHY, goodbye.\n", pci_name(pdev)); err = -ENODEV; goto out_stop; @@ -1289,10 +1276,10 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent) vendor = (sw_physid1 << 12) | (sw_physid2 >> 4); model = (sw_physid2 >> 4) & 0x3f; rev = sw_physid2 & 0xf; - printk(KERN_INFO "%s: Using PHY %d, vendor 0x%x, model %d, " - "rev %d.\n", dev->name, ip->mii.phy_id, vendor, model, rev); - printk(KERN_INFO "%s: IOC3 SSRAM has %d kbyte.\n", dev->name, - ip->emcr & EMCR_BUFSIZ ? 128 : 64); + netdev_info(dev, "Using PHY %d, vendor 0x%x, model %d, rev %d.\n", + ip->mii.phy_id, vendor, model, rev); + netdev_info(dev, "IOC3 SSRAM has %d kbyte.\n", + ip->emcr & EMCR_BUFSIZ ? 128 : 64); return 0; @@ -1305,8 +1292,7 @@ out_res: out_free: free_netdev(dev); out_disable: - /* - * We should call pci_disable_device(pdev); here if the IOC3 wasn't + /* We should call pci_disable_device(pdev); here if the IOC3 wasn't * such a weird device ... */ out: @@ -1324,8 +1310,7 @@ static void ioc3_remove_one(struct pci_dev *pdev) iounmap(ip->all_regs); pci_release_regions(pdev); free_netdev(dev); - /* - * We should call pci_disable_device(pdev); here if the IOC3 wasn't + /* We should call pci_disable_device(pdev); here if the IOC3 wasn't * such a weird device ... */ } @@ -1349,11 +1334,10 @@ static netdev_tx_t ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev) struct ioc3_etxd *desc; unsigned long data; unsigned int len; - uint32_t w0 = 0; int produce; + u32 w0 = 0; - /* - * IOC3 has a fairly simple minded checksumming hardware which simply + /* IOC3 has a fairly simple minded checksumming hardware which simply * adds up the 1's complement checksum for the entire packet and * inserts it at an offset which can be specified in the descriptor * into the transmit packet. This means we have to compensate for the @@ -1364,12 +1348,13 @@ static netdev_tx_t ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev) const struct iphdr *ih = ip_hdr(skb); const int proto = ntohs(ih->protocol); unsigned int csoff; - uint32_t csum, ehsum; - uint16_t *eh; + u32 csum, ehsum; + u16 *eh; /* The MAC header. skb->mac seem the logic approach - to find the MAC header - except it's a NULL pointer ... */ - eh = (uint16_t *) skb->data; + * to find the MAC header - except it's a NULL pointer ... + */ + eh = (u16 *)skb->data; /* Sum up dest addr, src addr and protocol */ ehsum = eh[0] + eh[1] + eh[2] + eh[3] + eh[4] + eh[5] + eh[6]; @@ -1379,10 +1364,11 @@ static netdev_tx_t ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev) ehsum = (ehsum & 0xffff) + (ehsum >> 16); /* Skip IP header; it's sum is always zero and was - already filled in by ip_output.c */ + * already filled in by ip_output.c + */ csum = csum_tcpudp_nofold(ih->saddr, ih->daddr, - ih->tot_len - (ih->ihl << 2), - proto, 0xffff ^ ehsum); + ih->tot_len - (ih->ihl << 2), + proto, 0xffff ^ ehsum); csum = (csum & 0xffff) + (csum >> 16); /* Fold again */ csum = (csum & 0xffff) + (csum >> 16); @@ -1402,7 +1388,7 @@ static netdev_tx_t ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev) spin_lock_irq(&ip->ioc3_lock); - data = (unsigned long) skb->data; + data = (unsigned long)skb->data; len = skb->len; produce = ip->tx_pi; @@ -1424,11 +1410,11 @@ static netdev_tx_t ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev) unsigned long s2 = data + len - b2; desc->cmd = cpu_to_be32(len | ETXD_INTWHENDONE | - ETXD_B1V | ETXD_B2V | w0); + ETXD_B1V | ETXD_B2V | w0); desc->bufcnt = cpu_to_be32((s1 << ETXD_B1CNT_SHIFT) | - (s2 << ETXD_B2CNT_SHIFT)); + (s2 << ETXD_B2CNT_SHIFT)); desc->p1 = cpu_to_be64(ioc3_map(skb->data, 1)); - desc->p2 = cpu_to_be64(ioc3_map((void *) b2, 1)); + desc->p2 = cpu_to_be64(ioc3_map((void *)b2, 1)); } else { /* Normal sized packet that doesn't cross a page boundary. */ desc->cmd = cpu_to_be32(len | ETXD_INTWHENDONE | ETXD_B1V | w0); @@ -1436,7 +1422,7 @@ static netdev_tx_t ioc3_start_xmit(struct sk_buff *skb, struct net_device *dev) desc->p1 = cpu_to_be64(ioc3_map(skb->data, 1)); } - BARRIER(); + mb(); /* make sure all descriptor changes are visible */ ip->tx_skbs[produce] = skb; /* Remember skb */ produce = (produce + 1) & 127; @@ -1457,7 +1443,7 @@ static void ioc3_timeout(struct net_device *dev) { struct ioc3_private *ip = netdev_priv(dev); - printk(KERN_ERR "%s: transmit timed out, resetting\n", dev->name); + netdev_err(dev, "transmit timed out, resetting\n"); spin_lock_irq(&ip->ioc3_lock); @@ -1471,16 +1457,14 @@ static void ioc3_timeout(struct net_device *dev) netif_wake_queue(dev); } -/* - * Given a multicast ethernet address, this routine calculates the +/* Given a multicast ethernet address, this routine calculates the * address's bit index in the logical address filter mask */ - static inline unsigned int ioc3_hash(const unsigned char *addr) { unsigned int temp = 0; - u32 crc; int bits; + u32 crc; crc = ether_crc_le(ETH_ALEN, addr); @@ -1494,8 +1478,8 @@ static inline unsigned int ioc3_hash(const unsigned char *addr) return temp; } -static void ioc3_get_drvinfo (struct net_device *dev, - struct ethtool_drvinfo *info) +static void ioc3_get_drvinfo(struct net_device *dev, + struct ethtool_drvinfo *info) { struct ioc3_private *ip = netdev_priv(dev); @@ -1594,8 +1578,9 @@ static void ioc3_set_multicast_list(struct net_device *dev) if ((dev->flags & IFF_ALLMULTI) || (netdev_mc_count(dev) > 64)) { /* Too many for hashing to make sense or we want all - multicast packets anyway, so skip computing all the - hashes and just accept all packets. */ + * multicast packets anyway, so skip computing all the + * hashes and just accept all packets. + */ ip->ehar_h = 0xffffffff; ip->ehar_l = 0xffffffff; } else { |