diff options
Diffstat (limited to 'drivers/net/saa9730.c')
| -rw-r--r-- | drivers/net/saa9730.c | 617 |
1 files changed, 290 insertions, 327 deletions
diff --git a/drivers/net/saa9730.c b/drivers/net/saa9730.c index fd0167077fbe..b2acedbefa8f 100644 --- a/drivers/net/saa9730.c +++ b/drivers/net/saa9730.c @@ -1,8 +1,8 @@ /* - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. - * - * ######################################################################## + * Copyright (C) 2000, 2005 MIPS Technologies, Inc. All rights reserved. + * Authors: Carsten Langgaard <carstenl@mips.com> + * Maciej W. Rozycki <macro@mips.com> + * Copyright (C) 2004 Ralf Baechle <ralf@linux-mips.org> * * This program is free software; you can distribute it and/or modify it * under the terms of the GNU General Public License (Version 2) as @@ -17,15 +17,13 @@ * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. * - * ######################################################################## - * * SAA9730 ethernet driver. * * Changes: - * Angelo Dell'Aera <buffer@antifork.org> : Conversion to the new PCI API (pci_driver). - * Conversion to spinlocks. - * Error handling fixes. - * + * Angelo Dell'Aera <buffer@antifork.org> : Conversion to the new PCI API + * (pci_driver). + * Conversion to spinlocks. + * Error handling fixes. */ #include <linux/init.h> @@ -36,8 +34,11 @@ #include <linux/skbuff.h> #include <linux/pci.h> #include <linux/spinlock.h> +#include <linux/types.h> #include <asm/addrspace.h> +#include <asm/io.h> + #include <asm/mips-boards/prom.h> #include "saa9730.h" @@ -51,8 +52,8 @@ int lan_saa9730_debug; #define DRV_MODULE_NAME "saa9730" static struct pci_device_id saa9730_pci_tbl[] = { - { PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA9370, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, + { PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA9730, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0UL }, { 0, } }; @@ -61,50 +62,48 @@ MODULE_DEVICE_TABLE(pci, saa9730_pci_tbl); /* Non-zero only if the current card is a PCI with BIOS-set IRQ. */ static unsigned int pci_irq_line; -#define INL(a) inl((unsigned long)a) -#define OUTL(x,a) outl(x,(unsigned long)a) - static void evm_saa9730_enable_lan_int(struct lan_saa9730_private *lp) { - OUTL(INL(&lp->evm_saa9730_regs->InterruptBlock1) | EVM_LAN_INT, + outl(readl(&lp->evm_saa9730_regs->InterruptBlock1) | EVM_LAN_INT, &lp->evm_saa9730_regs->InterruptBlock1); - OUTL(INL(&lp->evm_saa9730_regs->InterruptStatus1) | EVM_LAN_INT, + outl(readl(&lp->evm_saa9730_regs->InterruptStatus1) | EVM_LAN_INT, &lp->evm_saa9730_regs->InterruptStatus1); - OUTL(INL(&lp->evm_saa9730_regs->InterruptEnable1) | EVM_LAN_INT | + outl(readl(&lp->evm_saa9730_regs->InterruptEnable1) | EVM_LAN_INT | EVM_MASTER_EN, &lp->evm_saa9730_regs->InterruptEnable1); } + static void evm_saa9730_disable_lan_int(struct lan_saa9730_private *lp) { - OUTL(INL(&lp->evm_saa9730_regs->InterruptBlock1) & ~EVM_LAN_INT, + outl(readl(&lp->evm_saa9730_regs->InterruptBlock1) & ~EVM_LAN_INT, &lp->evm_saa9730_regs->InterruptBlock1); - OUTL(INL(&lp->evm_saa9730_regs->InterruptEnable1) & ~EVM_LAN_INT, + outl(readl(&lp->evm_saa9730_regs->InterruptEnable1) & ~EVM_LAN_INT, &lp->evm_saa9730_regs->InterruptEnable1); } static void evm_saa9730_clear_lan_int(struct lan_saa9730_private *lp) { - OUTL(EVM_LAN_INT, &lp->evm_saa9730_regs->InterruptStatus1); + outl(EVM_LAN_INT, &lp->evm_saa9730_regs->InterruptStatus1); } static void evm_saa9730_block_lan_int(struct lan_saa9730_private *lp) { - OUTL(INL(&lp->evm_saa9730_regs->InterruptBlock1) & ~EVM_LAN_INT, + outl(readl(&lp->evm_saa9730_regs->InterruptBlock1) & ~EVM_LAN_INT, &lp->evm_saa9730_regs->InterruptBlock1); } static void evm_saa9730_unblock_lan_int(struct lan_saa9730_private *lp) { - OUTL(INL(&lp->evm_saa9730_regs->InterruptBlock1) | EVM_LAN_INT, + outl(readl(&lp->evm_saa9730_regs->InterruptBlock1) | EVM_LAN_INT, &lp->evm_saa9730_regs->InterruptBlock1); } -static void show_saa9730_regs(struct lan_saa9730_private *lp) +static void __attribute_used__ show_saa9730_regs(struct lan_saa9730_private *lp) { int i, j; - printk("TxmBufferA = %x\n", lp->TxmBuffer[0][0]); - printk("TxmBufferB = %x\n", lp->TxmBuffer[1][0]); - printk("RcvBufferA = %x\n", lp->RcvBuffer[0][0]); - printk("RcvBufferB = %x\n", lp->RcvBuffer[1][0]); + printk("TxmBufferA = %p\n", lp->TxmBuffer[0][0]); + printk("TxmBufferB = %p\n", lp->TxmBuffer[1][0]); + printk("RcvBufferA = %p\n", lp->RcvBuffer[0][0]); + printk("RcvBufferB = %p\n", lp->RcvBuffer[1][0]); for (i = 0; i < LAN_SAA9730_BUFFERS; i++) { for (j = 0; j < LAN_SAA9730_TXM_Q_SIZE; j++) { printk("TxmBuffer[%d][%d] = %x\n", i, j, @@ -120,13 +119,13 @@ static void show_saa9730_regs(struct lan_saa9730_private *lp) } } printk("lp->evm_saa9730_regs->InterruptBlock1 = %x\n", - INL(&lp->evm_saa9730_regs->InterruptBlock1)); + readl(&lp->evm_saa9730_regs->InterruptBlock1)); printk("lp->evm_saa9730_regs->InterruptStatus1 = %x\n", - INL(&lp->evm_saa9730_regs->InterruptStatus1)); + readl(&lp->evm_saa9730_regs->InterruptStatus1)); printk("lp->evm_saa9730_regs->InterruptEnable1 = %x\n", - INL(&lp->evm_saa9730_regs->InterruptEnable1)); + readl(&lp->evm_saa9730_regs->InterruptEnable1)); printk("lp->lan_saa9730_regs->Ok2Use = %x\n", - INL(&lp->lan_saa9730_regs->Ok2Use)); + readl(&lp->lan_saa9730_regs->Ok2Use)); printk("lp->NextTxmBufferIndex = %x\n", lp->NextTxmBufferIndex); printk("lp->NextTxmPacketIndex = %x\n", lp->NextTxmPacketIndex); printk("lp->PendingTxmBufferIndex = %x\n", @@ -134,23 +133,23 @@ static void show_saa9730_regs(struct lan_saa9730_private *lp) printk("lp->PendingTxmPacketIndex = %x\n", lp->PendingTxmPacketIndex); printk("lp->lan_saa9730_regs->LanDmaCtl = %x\n", - INL(&lp->lan_saa9730_regs->LanDmaCtl)); + readl(&lp->lan_saa9730_regs->LanDmaCtl)); printk("lp->lan_saa9730_regs->DmaStatus = %x\n", - INL(&lp->lan_saa9730_regs->DmaStatus)); + readl(&lp->lan_saa9730_regs->DmaStatus)); printk("lp->lan_saa9730_regs->CamCtl = %x\n", - INL(&lp->lan_saa9730_regs->CamCtl)); + readl(&lp->lan_saa9730_regs->CamCtl)); printk("lp->lan_saa9730_regs->TxCtl = %x\n", - INL(&lp->lan_saa9730_regs->TxCtl)); + readl(&lp->lan_saa9730_regs->TxCtl)); printk("lp->lan_saa9730_regs->TxStatus = %x\n", - INL(&lp->lan_saa9730_regs->TxStatus)); + readl(&lp->lan_saa9730_regs->TxStatus)); printk("lp->lan_saa9730_regs->RxCtl = %x\n", - INL(&lp->lan_saa9730_regs->RxCtl)); + readl(&lp->lan_saa9730_regs->RxCtl)); printk("lp->lan_saa9730_regs->RxStatus = %x\n", - INL(&lp->lan_saa9730_regs->RxStatus)); + readl(&lp->lan_saa9730_regs->RxStatus)); for (i = 0; i < LAN_SAA9730_CAM_DWORDS; i++) { - OUTL(i, &lp->lan_saa9730_regs->CamAddress); + outl(i, &lp->lan_saa9730_regs->CamAddress); printk("lp->lan_saa9730_regs->CamData = %x\n", - INL(&lp->lan_saa9730_regs->CamData)); + readl(&lp->lan_saa9730_regs->CamData)); } printk("lp->stats.tx_packets = %lx\n", lp->stats.tx_packets); printk("lp->stats.tx_errors = %lx\n", lp->stats.tx_errors); @@ -178,17 +177,17 @@ static void show_saa9730_regs(struct lan_saa9730_private *lp) lp->stats.rx_length_errors); printk("lp->lan_saa9730_regs->DebugPCIMasterAddr = %x\n", - INL(&lp->lan_saa9730_regs->DebugPCIMasterAddr)); + readl(&lp->lan_saa9730_regs->DebugPCIMasterAddr)); printk("lp->lan_saa9730_regs->DebugLanTxStateMachine = %x\n", - INL(&lp->lan_saa9730_regs->DebugLanTxStateMachine)); + readl(&lp->lan_saa9730_regs->DebugLanTxStateMachine)); printk("lp->lan_saa9730_regs->DebugLanRxStateMachine = %x\n", - INL(&lp->lan_saa9730_regs->DebugLanRxStateMachine)); + readl(&lp->lan_saa9730_regs->DebugLanRxStateMachine)); printk("lp->lan_saa9730_regs->DebugLanTxFifoPointers = %x\n", - INL(&lp->lan_saa9730_regs->DebugLanTxFifoPointers)); + readl(&lp->lan_saa9730_regs->DebugLanTxFifoPointers)); printk("lp->lan_saa9730_regs->DebugLanRxFifoPointers = %x\n", - INL(&lp->lan_saa9730_regs->DebugLanRxFifoPointers)); + readl(&lp->lan_saa9730_regs->DebugLanRxFifoPointers)); printk("lp->lan_saa9730_regs->DebugLanCtlStateMachine = %x\n", - INL(&lp->lan_saa9730_regs->DebugLanCtlStateMachine)); + readl(&lp->lan_saa9730_regs->DebugLanCtlStateMachine)); } static void lan_saa9730_buffer_init(struct lan_saa9730_private *lp) @@ -214,98 +213,108 @@ static void lan_saa9730_buffer_init(struct lan_saa9730_private *lp) } } -static int lan_saa9730_allocate_buffers(struct lan_saa9730_private *lp) +static void lan_saa9730_free_buffers(struct pci_dev *pdev, + struct lan_saa9730_private *lp) { - unsigned int mem_size; - void *Pa; - unsigned int i, j, RcvBufferSize, TxmBufferSize; - unsigned int buffer_start; + pci_free_consistent(pdev, lp->buffer_size, lp->buffer_start, + lp->dma_addr); +} - /* - * Allocate all RX and TX packets in one chunk. - * The Rx and Tx packets must be PACKET_SIZE aligned. - */ - mem_size = ((LAN_SAA9730_RCV_Q_SIZE + LAN_SAA9730_TXM_Q_SIZE) * - LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_BUFFERS) + - LAN_SAA9730_PACKET_SIZE; - buffer_start = - (unsigned int) kmalloc(mem_size, GFP_DMA | GFP_KERNEL); - - if (!buffer_start) - return -ENOMEM; - - /* - * Set DMA buffer to kseg1 (uncached). - * Make sure to flush before using it uncached. - */ - Pa = (void *) KSEG1ADDR((buffer_start + LAN_SAA9730_PACKET_SIZE) & - ~(LAN_SAA9730_PACKET_SIZE - 1)); - dma_cache_wback_inv((unsigned long) Pa, mem_size); +static int lan_saa9730_allocate_buffers(struct pci_dev *pdev, + struct lan_saa9730_private *lp) +{ + void *Pa; + unsigned int i, j, rxoffset, txoffset; + int ret; /* Initialize buffer space */ - RcvBufferSize = LAN_SAA9730_PACKET_SIZE; - TxmBufferSize = LAN_SAA9730_PACKET_SIZE; lp->DmaRcvPackets = LAN_SAA9730_RCV_Q_SIZE; lp->DmaTxmPackets = LAN_SAA9730_TXM_Q_SIZE; + /* Initialize Rx Buffer Index */ + lp->NextRcvPacketIndex = 0; + lp->NextRcvBufferIndex = 0; + + /* Set current buffer index & next available packet index */ + lp->NextTxmPacketIndex = 0; + lp->NextTxmBufferIndex = 0; + lp->PendingTxmPacketIndex = 0; + lp->PendingTxmBufferIndex = 0; + + /* + * Allocate all RX and TX packets in one chunk. + * The Rx and Tx packets must be PACKET_SIZE aligned. + */ + lp->buffer_size = ((LAN_SAA9730_RCV_Q_SIZE + LAN_SAA9730_TXM_Q_SIZE) * + LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_BUFFERS) + + LAN_SAA9730_PACKET_SIZE; + lp->buffer_start = pci_alloc_consistent(pdev, lp->buffer_size, + &lp->dma_addr); + if (!lp->buffer_start) { + ret = -ENOMEM; + goto out; + } + + Pa = (void *)ALIGN((unsigned long)lp->buffer_start, + LAN_SAA9730_PACKET_SIZE); + + rxoffset = Pa - lp->buffer_start; + /* Init RX buffers */ for (i = 0; i < LAN_SAA9730_BUFFERS; i++) { for (j = 0; j < LAN_SAA9730_RCV_Q_SIZE; j++) { *(unsigned int *) Pa = cpu_to_le32(RXSF_READY << RX_STAT_CTL_OWNER_SHF); - lp->RcvBuffer[i][j] = (unsigned int) Pa; - Pa += RcvBufferSize; + lp->RcvBuffer[i][j] = Pa; + Pa += LAN_SAA9730_PACKET_SIZE; } } + txoffset = Pa - lp->buffer_start; + /* Init TX buffers */ for (i = 0; i < LAN_SAA9730_BUFFERS; i++) { for (j = 0; j < LAN_SAA9730_TXM_Q_SIZE; j++) { *(unsigned int *) Pa = cpu_to_le32(TXSF_EMPTY << TX_STAT_CTL_OWNER_SHF); - lp->TxmBuffer[i][j] = (unsigned int) Pa; - Pa += TxmBufferSize; + lp->TxmBuffer[i][j] = Pa; + Pa += LAN_SAA9730_PACKET_SIZE; } } - /* - * Set rx buffer A and rx buffer B to point to the first two buffer + /* + * Set rx buffer A and rx buffer B to point to the first two buffer * spaces. */ - OUTL(PHYSADDR(lp->RcvBuffer[0][0]), + outl(lp->dma_addr + rxoffset, &lp->lan_saa9730_regs->RxBuffA); - OUTL(PHYSADDR(lp->RcvBuffer[1][0]), + outl(lp->dma_addr + rxoffset + + LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_RCV_Q_SIZE, &lp->lan_saa9730_regs->RxBuffB); - /* Initialize Buffer Index */ - lp->NextRcvPacketIndex = 0; - lp->NextRcvToUseIsA = 1; - - /* Set current buffer index & next availble packet index */ - lp->NextTxmPacketIndex = 0; - lp->NextTxmBufferIndex = 0; - lp->PendingTxmPacketIndex = 0; - lp->PendingTxmBufferIndex = 0; - - /* + /* * Set txm_buf_a and txm_buf_b to point to the first two buffer - * space + * space */ - OUTL(PHYSADDR(lp->TxmBuffer[0][0]), + outl(lp->dma_addr + txoffset, &lp->lan_saa9730_regs->TxBuffA); - OUTL(PHYSADDR(lp->TxmBuffer[1][0]), + outl(lp->dma_addr + txoffset + + LAN_SAA9730_PACKET_SIZE * LAN_SAA9730_TXM_Q_SIZE, &lp->lan_saa9730_regs->TxBuffB); /* Set packet number */ - OUTL((lp->DmaRcvPackets << PK_COUNT_RX_A_SHF) | + outl((lp->DmaRcvPackets << PK_COUNT_RX_A_SHF) | (lp->DmaRcvPackets << PK_COUNT_RX_B_SHF) | (lp->DmaTxmPackets << PK_COUNT_TX_A_SHF) | (lp->DmaTxmPackets << PK_COUNT_TX_B_SHF), &lp->lan_saa9730_regs->PacketCount); return 0; + +out: + return ret; } static int lan_saa9730_cam_load(struct lan_saa9730_private *lp) @@ -317,8 +326,8 @@ static int lan_saa9730_cam_load(struct lan_saa9730_private *lp) for (i = 0; i < LAN_SAA9730_CAM_DWORDS; i++) { /* First set address to where data is written */ - OUTL(i, &lp->lan_saa9730_regs->CamAddress); - OUTL((NetworkAddress[0] << 24) | (NetworkAddress[1] << 16) + outl(i, &lp->lan_saa9730_regs->CamAddress); + outl((NetworkAddress[0] << 24) | (NetworkAddress[1] << 16) | (NetworkAddress[2] << 8) | NetworkAddress[3], &lp->lan_saa9730_regs->CamData); NetworkAddress += 4; @@ -328,8 +337,7 @@ static int lan_saa9730_cam_load(struct lan_saa9730_private *lp) static int lan_saa9730_cam_init(struct net_device *dev) { - struct lan_saa9730_private *lp = - (struct lan_saa9730_private *) dev->priv; + struct lan_saa9730_private *lp = netdev_priv(dev); unsigned int i; /* Copy MAC-address into all entries. */ @@ -347,7 +355,7 @@ static int lan_saa9730_mii_init(struct lan_saa9730_private *lp) /* Check link status, spin here till station is not busy. */ i = 0; - while (INL(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) { + while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) { i++; if (i > 100) { printk("Error: lan_saa9730_mii_init: timeout\n"); @@ -357,12 +365,12 @@ static int lan_saa9730_mii_init(struct lan_saa9730_private *lp) } /* Now set the control and address register. */ - OUTL(MD_CA_BUSY | PHY_STATUS | PHY_ADDRESS << MD_CA_PHY_SHF, + outl(MD_CA_BUSY | PHY_STATUS | PHY_ADDRESS << MD_CA_PHY_SHF, &lp->lan_saa9730_regs->StationMgmtCtl); /* check link status, spin here till station is not busy */ i = 0; - while (INL(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) { + while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) { i++; if (i > 100) { printk("Error: lan_saa9730_mii_init: timeout\n"); @@ -375,7 +383,7 @@ static int lan_saa9730_mii_init(struct lan_saa9730_private *lp) mdelay(1); /* Check the link status. */ - if (INL(&lp->lan_saa9730_regs->StationMgmtData) & + if (readl(&lp->lan_saa9730_regs->StationMgmtData) & PHY_STATUS_LINK_UP) { /* Link is up. */ return 0; @@ -383,14 +391,14 @@ static int lan_saa9730_mii_init(struct lan_saa9730_private *lp) /* Link is down, reset the PHY first. */ /* set PHY address = 'CONTROL' */ - OUTL(PHY_ADDRESS << MD_CA_PHY_SHF | MD_CA_WR | PHY_CONTROL, + outl(PHY_ADDRESS << MD_CA_PHY_SHF | MD_CA_WR | PHY_CONTROL, &lp->lan_saa9730_regs->StationMgmtCtl); /* Wait for 1 ms. */ mdelay(1); /* set 'CONTROL' = force reset and renegotiate */ - OUTL(PHY_CONTROL_RESET | PHY_CONTROL_AUTO_NEG | + outl(PHY_CONTROL_RESET | PHY_CONTROL_AUTO_NEG | PHY_CONTROL_RESTART_AUTO_NEG, &lp->lan_saa9730_regs->StationMgmtData); @@ -398,12 +406,12 @@ static int lan_saa9730_mii_init(struct lan_saa9730_private *lp) mdelay(50); /* set 'BUSY' to start operation */ - OUTL(MD_CA_BUSY | PHY_ADDRESS << MD_CA_PHY_SHF | MD_CA_WR | + outl(MD_CA_BUSY | PHY_ADDRESS << MD_CA_PHY_SHF | MD_CA_WR | PHY_CONTROL, &lp->lan_saa9730_regs->StationMgmtCtl); /* await completion */ i = 0; - while (INL(&lp->lan_saa9730_regs->StationMgmtCtl) & + while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) { i++; if (i > 100) { @@ -419,13 +427,13 @@ static int lan_saa9730_mii_init(struct lan_saa9730_private *lp) for (l = 0; l < 2; l++) { /* set PHY address = 'STATUS' */ - OUTL(MD_CA_BUSY | PHY_ADDRESS << MD_CA_PHY_SHF | + outl(MD_CA_BUSY | PHY_ADDRESS << MD_CA_PHY_SHF | PHY_STATUS, &lp->lan_saa9730_regs->StationMgmtCtl); /* await completion */ i = 0; - while (INL(&lp->lan_saa9730_regs->StationMgmtCtl) & + while (readl(&lp->lan_saa9730_regs->StationMgmtCtl) & MD_CA_BUSY) { i++; if (i > 100) { @@ -440,7 +448,7 @@ static int lan_saa9730_mii_init(struct lan_saa9730_private *lp) mdelay(3000); /* check the link status */ - if (INL(&lp->lan_saa9730_regs->StationMgmtData) & + if (readl(&lp->lan_saa9730_regs->StationMgmtData) & PHY_STATUS_LINK_UP) { /* link is up */ break; @@ -454,7 +462,7 @@ static int lan_saa9730_mii_init(struct lan_saa9730_private *lp) static int lan_saa9730_control_init(struct lan_saa9730_private *lp) { /* Initialize DMA control register. */ - OUTL((LANMB_ANY << DMA_CTL_MAX_XFER_SHF) | + outl((LANMB_ANY << DMA_CTL_MAX_XFER_SHF) | (LANEND_LITTLE << DMA_CTL_ENDIAN_SHF) | (LAN_SAA9730_RCV_Q_INT_THRESHOLD << DMA_CTL_RX_INT_COUNT_SHF) | DMA_CTL_RX_INT_TO_EN | DMA_CTL_RX_INT_EN | @@ -462,27 +470,27 @@ static int lan_saa9730_control_init(struct lan_saa9730_private *lp) &lp->lan_saa9730_regs->LanDmaCtl); /* Initial MAC control register. */ - OUTL((MACCM_MII << MAC_CONTROL_CONN_SHF) | MAC_CONTROL_FULL_DUP, + outl((MACCM_MII << MAC_CONTROL_CONN_SHF) | MAC_CONTROL_FULL_DUP, &lp->lan_saa9730_regs->MacCtl); /* Initialize CAM control register. */ - OUTL(CAM_CONTROL_COMP_EN | CAM_CONTROL_BROAD_ACC, + outl(CAM_CONTROL_COMP_EN | CAM_CONTROL_BROAD_ACC, &lp->lan_saa9730_regs->CamCtl); - /* + /* * Initialize CAM enable register, only turn on first entry, should - * contain own addr. + * contain own addr. */ - OUTL(0x0001, &lp->lan_saa9730_regs->CamEnable); + outl(0x0001, &lp->lan_saa9730_regs->CamEnable); /* Initialize Tx control register */ - OUTL(TX_CTL_EN_COMP, &lp->lan_saa9730_regs->TxCtl); + outl(TX_CTL_EN_COMP, &lp->lan_saa9730_regs->TxCtl); /* Initialize Rcv control register */ - OUTL(RX_CTL_STRIP_CRC, &lp->lan_saa9730_regs->RxCtl); + outl(RX_CTL_STRIP_CRC, &lp->lan_saa9730_regs->RxCtl); /* Reset DMA engine */ - OUTL(DMA_TEST_SW_RESET, &lp->lan_saa9730_regs->DmaTest); + outl(DMA_TEST_SW_RESET, &lp->lan_saa9730_regs->DmaTest); return 0; } @@ -492,21 +500,21 @@ static int lan_saa9730_stop(struct lan_saa9730_private *lp) int i; /* Stop DMA first */ - OUTL(INL(&lp->lan_saa9730_regs->LanDmaCtl) & + outl(readl(&lp->lan_saa9730_regs->LanDmaCtl) & ~(DMA_CTL_EN_TX_DMA | DMA_CTL_EN_RX_DMA), &lp->lan_saa9730_regs->LanDmaCtl); /* Set the SW Reset bits in DMA and MAC control registers */ - OUTL(DMA_TEST_SW_RESET, &lp->lan_saa9730_regs->DmaTest); - OUTL(INL(&lp->lan_saa9730_regs->MacCtl) | MAC_CONTROL_RESET, + outl(DMA_TEST_SW_RESET, &lp->lan_saa9730_regs->DmaTest); + outl(readl(&lp->lan_saa9730_regs->MacCtl) | MAC_CONTROL_RESET, &lp->lan_saa9730_regs->MacCtl); - /* + /* * Wait for MAC reset to have finished. The reset bit is auto cleared * when the reset is done. */ i = 0; - while (INL(&lp->lan_saa9730_regs->MacCtl) & MAC_CONTROL_RESET) { + while (readl(&lp->lan_saa9730_regs->MacCtl) & MAC_CONTROL_RESET) { i++; if (i > 100) { printk @@ -524,7 +532,7 @@ static int lan_saa9730_dma_init(struct lan_saa9730_private *lp) /* Stop lan controller. */ lan_saa9730_stop(lp); - OUTL(LAN_SAA9730_DEFAULT_TIME_OUT_CNT, + outl(LAN_SAA9730_DEFAULT_TIME_OUT_CNT, &lp->lan_saa9730_regs->Timeout); return 0; @@ -536,28 +544,27 @@ static int lan_saa9730_start(struct lan_saa9730_private *lp) /* Initialize Rx Buffer Index */ lp->NextRcvPacketIndex = 0; - lp->NextRcvToUseIsA = 1; + lp->NextRcvBufferIndex = 0; - /* Set current buffer index & next availble packet index */ + /* Set current buffer index & next available packet index */ lp->NextTxmPacketIndex = 0; lp->NextTxmBufferIndex = 0; lp->PendingTxmPacketIndex = 0; lp->PendingTxmBufferIndex = 0; - OUTL(INL(&lp->lan_saa9730_regs->LanDmaCtl) | DMA_CTL_EN_TX_DMA | + outl(readl(&lp->lan_saa9730_regs->LanDmaCtl) | DMA_CTL_EN_TX_DMA | DMA_CTL_EN_RX_DMA, &lp->lan_saa9730_regs->LanDmaCtl); /* For Tx, turn on MAC then DMA */ - OUTL(INL(&lp->lan_saa9730_regs->TxCtl) | TX_CTL_TX_EN, + outl(readl(&lp->lan_saa9730_regs->TxCtl) | TX_CTL_TX_EN, &lp->lan_saa9730_regs->TxCtl); /* For Rx, turn on DMA then MAC */ - OUTL(INL(&lp->lan_saa9730_regs->RxCtl) | RX_CTL_RX_EN, + outl(readl(&lp->lan_saa9730_regs->RxCtl) | RX_CTL_RX_EN, &lp->lan_saa9730_regs->RxCtl); - /* Set Ok2Use to let hardware owns the buffers */ - OUTL(OK2USE_RX_A | OK2USE_RX_B | OK2USE_TX_A | OK2USE_TX_B, - &lp->lan_saa9730_regs->Ok2Use); + /* Set Ok2Use to let hardware own the buffers. */ + outl(OK2USE_RX_A | OK2USE_RX_B, &lp->lan_saa9730_regs->Ok2Use); return 0; } @@ -572,8 +579,7 @@ static int lan_saa9730_restart(struct lan_saa9730_private *lp) static int lan_saa9730_tx(struct net_device *dev) { - struct lan_saa9730_private *lp = - (struct lan_saa9730_private *) dev->priv; + struct lan_saa9730_private *lp = netdev_priv(dev); unsigned int *pPacket; unsigned int tx_status; @@ -581,13 +587,11 @@ static int lan_saa9730_tx(struct net_device *dev) printk("lan_saa9730_tx interrupt\n"); /* Clear interrupt. */ - OUTL(DMA_STATUS_MAC_TX_INT, &lp->lan_saa9730_regs->DmaStatus); + outl(DMA_STATUS_MAC_TX_INT, &lp->lan_saa9730_regs->DmaStatus); while (1) { - pPacket = - (unsigned int *) lp->TxmBuffer[lp-> - PendingTxmBufferIndex] - [lp->PendingTxmPacketIndex]; + pPacket = lp->TxmBuffer[lp->PendingTxmBufferIndex] + [lp->PendingTxmPacketIndex]; /* Get status of first packet transmitted. */ tx_status = le32_to_cpu(*pPacket); @@ -605,23 +609,22 @@ static int lan_saa9730_tx(struct net_device *dev) lp->stats.tx_errors++; if (tx_status & (TX_STATUS_EX_COLL << TX_STAT_CTL_STATUS_SHF)) - lp->stats.tx_aborted_errors++; + lp->stats.tx_aborted_errors++; if (tx_status & - (TX_STATUS_LATE_COLL << - TX_STAT_CTL_STATUS_SHF)) lp->stats. - tx_window_errors++; + (TX_STATUS_LATE_COLL << TX_STAT_CTL_STATUS_SHF)) + lp->stats.tx_window_errors++; if (tx_status & (TX_STATUS_L_CARR << TX_STAT_CTL_STATUS_SHF)) - lp->stats.tx_carrier_errors++; + lp->stats.tx_carrier_errors++; if (tx_status & (TX_STATUS_UNDER << TX_STAT_CTL_STATUS_SHF)) - lp->stats.tx_fifo_errors++; + lp->stats.tx_fifo_errors++; if (tx_status & (TX_STATUS_SQ_ERR << TX_STAT_CTL_STATUS_SHF)) - lp->stats.tx_heartbeat_errors++; + lp->stats.tx_heartbeat_errors++; lp->stats.collisions += - tx_status & TX_STATUS_TX_COLL_MSK; + tx_status & TX_STATUS_TX_COLL_MSK; } /* Free buffer. */ @@ -636,21 +639,15 @@ static int lan_saa9730_tx(struct net_device *dev) } } - /* Make sure A and B are available to hardware. */ - OUTL(OK2USE_TX_A | OK2USE_TX_B, &lp->lan_saa9730_regs->Ok2Use); - - if (netif_queue_stopped(dev)) { - /* The tx buffer is no longer full. */ - netif_wake_queue(dev); - } + /* The tx buffer is no longer full. */ + netif_wake_queue(dev); return 0; } static int lan_saa9730_rx(struct net_device *dev) { - struct lan_saa9730_private *lp = - (struct lan_saa9730_private *) dev->priv; + struct lan_saa9730_private *lp = netdev_priv(dev); int len = 0; struct sk_buff *skb = 0; unsigned int rx_status; @@ -663,16 +660,13 @@ static int lan_saa9730_rx(struct net_device *dev) printk("lan_saa9730_rx interrupt\n"); /* Clear receive interrupts. */ - OUTL(DMA_STATUS_MAC_RX_INT | DMA_STATUS_RX_INT | + outl(DMA_STATUS_MAC_RX_INT | DMA_STATUS_RX_INT | DMA_STATUS_RX_TO_INT, &lp->lan_saa9730_regs->DmaStatus); /* Address next packet */ - if (lp->NextRcvToUseIsA) - BufferIndex = 0; - else - BufferIndex = 1; + BufferIndex = lp->NextRcvBufferIndex; PacketIndex = lp->NextRcvPacketIndex; - pPacket = (unsigned int *) lp->RcvBuffer[BufferIndex][PacketIndex]; + pPacket = lp->RcvBuffer[BufferIndex][PacketIndex]; rx_status = le32_to_cpu(*pPacket); /* Process each packet. */ @@ -715,51 +709,39 @@ static int lan_saa9730_rx(struct net_device *dev) lp->stats.rx_errors++; if (rx_status & (RX_STATUS_CRC_ERR << RX_STAT_CTL_STATUS_SHF)) - lp->stats.rx_crc_errors++; + lp->stats.rx_crc_errors++; if (rx_status & - (RX_STATUS_ALIGN_ERR << - RX_STAT_CTL_STATUS_SHF)) lp->stats. - rx_frame_errors++; + (RX_STATUS_ALIGN_ERR << RX_STAT_CTL_STATUS_SHF)) + lp->stats.rx_frame_errors++; if (rx_status & (RX_STATUS_OVERFLOW << RX_STAT_CTL_STATUS_SHF)) - lp->stats.rx_fifo_errors++; + lp->stats.rx_fifo_errors++; if (rx_status & (RX_STATUS_LONG_ERR << RX_STAT_CTL_STATUS_SHF)) - lp->stats.rx_length_errors++; + lp->stats.rx_length_errors++; } /* Indicate we have processed the buffer. */ - *pPacket = - cpu_to_le32(RXSF_READY << RX_STAT_CTL_OWNER_SHF); + *pPacket = cpu_to_le32(RXSF_READY << RX_STAT_CTL_OWNER_SHF); + + /* Make sure A or B is available to hardware as appropriate. */ + outl(BufferIndex ? OK2USE_RX_B : OK2USE_RX_A, + &lp->lan_saa9730_regs->Ok2Use); /* Go to next packet in sequence. */ lp->NextRcvPacketIndex++; if (lp->NextRcvPacketIndex >= LAN_SAA9730_RCV_Q_SIZE) { lp->NextRcvPacketIndex = 0; - if (BufferIndex) { - lp->NextRcvToUseIsA = 1; - } else { - lp->NextRcvToUseIsA = 0; - } + lp->NextRcvBufferIndex ^= 1; } - OUTL(OK2USE_RX_A | OK2USE_RX_B, - &lp->lan_saa9730_regs->Ok2Use); /* Address next packet */ - if (lp->NextRcvToUseIsA) - BufferIndex = 0; - else - BufferIndex = 1; + BufferIndex = lp->NextRcvBufferIndex; PacketIndex = lp->NextRcvPacketIndex; - pPacket = - (unsigned int *) lp-> - RcvBuffer[BufferIndex][PacketIndex]; + pPacket = lp->RcvBuffer[BufferIndex][PacketIndex]; rx_status = le32_to_cpu(*pPacket); } - /* Make sure A and B are available to hardware. */ - OUTL(OK2USE_RX_A | OK2USE_RX_B, &lp->lan_saa9730_regs->Ok2Use); - return 0; } @@ -767,8 +749,7 @@ static irqreturn_t lan_saa9730_interrupt(const int irq, void *dev_id, struct pt_regs *regs) { struct net_device *dev = (struct net_device *) dev_id; - struct lan_saa9730_private *lp = - (struct lan_saa9730_private *) dev->priv; + struct lan_saa9730_private *lp = netdev_priv(dev); if (lan_saa9730_debug > 5) printk("lan_saa9730_interrupt\n"); @@ -780,11 +761,11 @@ static irqreturn_t lan_saa9730_interrupt(const int irq, void *dev_id, evm_saa9730_clear_lan_int(lp); /* Service pending transmit interrupts. */ - if (INL(&lp->lan_saa9730_regs->DmaStatus) & DMA_STATUS_MAC_TX_INT) + if (readl(&lp->lan_saa9730_regs->DmaStatus) & DMA_STATUS_MAC_TX_INT) lan_saa9730_tx(dev); /* Service pending receive interrupts. */ - if (INL(&lp->lan_saa9730_regs->DmaStatus) & + if (readl(&lp->lan_saa9730_regs->DmaStatus) & (DMA_STATUS_MAC_RX_INT | DMA_STATUS_RX_INT | DMA_STATUS_RX_TO_INT)) lan_saa9730_rx(dev); @@ -794,15 +775,9 @@ static irqreturn_t lan_saa9730_interrupt(const int irq, void *dev_id, return IRQ_HANDLED; } -static int lan_saa9730_open_fail(struct net_device *dev) -{ - return -ENODEV; -} - static int lan_saa9730_open(struct net_device *dev) { - struct lan_saa9730_private *lp = - (struct lan_saa9730_private *) dev->priv; + struct lan_saa9730_private *lp = netdev_priv(dev); /* Associate IRQ with lan_saa9730_interrupt */ if (request_irq(dev->irq, &lan_saa9730_interrupt, 0, "SAA9730 Eth", @@ -834,15 +809,13 @@ static int lan_saa9730_write(struct lan_saa9730_private *lp, int PacketIndex; if (lan_saa9730_debug > 5) - printk("lan_saa9730_write: skb=%08x\n", - (unsigned int) skb); + printk("lan_saa9730_write: skb=%p\n", skb); BufferIndex = lp->NextTxmBufferIndex; PacketIndex = lp->NextTxmPacketIndex; - tx_status = - le32_to_cpu(*(unsigned int *) lp-> - TxmBuffer[BufferIndex][PacketIndex]); + tx_status = le32_to_cpu(*(unsigned int *)lp->TxmBuffer[BufferIndex] + [PacketIndex]); if ((tx_status & TX_STAT_CTL_OWNER_MSK) != (TXSF_EMPTY << TX_STAT_CTL_OWNER_SHF)) { if (lan_saa9730_debug > 4) @@ -858,29 +831,29 @@ static int lan_saa9730_write(struct lan_saa9730_private *lp, lp->NextTxmBufferIndex ^= 1; } - pbPacketData = - (unsigned char *) lp->TxmBuffer[BufferIndex][PacketIndex]; + pbPacketData = lp->TxmBuffer[BufferIndex][PacketIndex]; pbPacketData += 4; /* copy the bits */ memcpy(pbPacketData, pbData, len); /* Set transmit status for hardware */ - *(unsigned int *) lp->TxmBuffer[BufferIndex][PacketIndex] = - cpu_to_le32((TXSF_READY << TX_STAT_CTL_OWNER_SHF) | - (TX_STAT_CTL_INT_AFTER_TX << TX_STAT_CTL_FRAME_SHF) - | (len << TX_STAT_CTL_LENGTH_SHF)); - - /* Set hardware tx buffer. */ - OUTL(OK2USE_TX_A | OK2USE_TX_B, &lp->lan_saa9730_regs->Ok2Use); + *(unsigned int *)lp->TxmBuffer[BufferIndex][PacketIndex] = + cpu_to_le32((TXSF_READY << TX_STAT_CTL_OWNER_SHF) | + (TX_STAT_CTL_INT_AFTER_TX << + TX_STAT_CTL_FRAME_SHF) | + (len << TX_STAT_CTL_LENGTH_SHF)); + + /* Make sure A or B is available to hardware as appropriate. */ + outl(BufferIndex ? OK2USE_TX_B : OK2USE_TX_A, + &lp->lan_saa9730_regs->Ok2Use); return 0; } static void lan_saa9730_tx_timeout(struct net_device *dev) { - struct lan_saa9730_private *lp = - (struct lan_saa9730_private *) dev->priv; + struct lan_saa9730_private *lp = netdev_priv(dev); /* Transmitter timeout, serious problems */ lp->stats.tx_errors++; @@ -889,20 +862,19 @@ static void lan_saa9730_tx_timeout(struct net_device *dev) lan_saa9730_restart(lp); dev->trans_start = jiffies; - netif_start_queue(dev); + netif_wake_queue(dev); } static int lan_saa9730_start_xmit(struct sk_buff *skb, struct net_device *dev) { - struct lan_saa9730_private *lp = - (struct lan_saa9730_private *) dev->priv; + struct lan_saa9730_private *lp = netdev_priv(dev); unsigned long flags; int skblen; int len; if (lan_saa9730_debug > 4) - printk("Send packet: skb=%08x\n", (unsigned int) skb); + printk("Send packet: skb=%p\n", skb); skblen = skb->len; @@ -912,8 +884,7 @@ static int lan_saa9730_start_xmit(struct sk_buff *skb, if (lan_saa9730_write(lp, skb, skblen)) { spin_unlock_irqrestore(&lp->lock, flags); - printk("Error when writing packet to controller: skb=%08x\n", - (unsigned int) skb); + printk("Error when writing packet to controller: skb=%p\n", skb); netif_stop_queue(dev); return -1; } @@ -922,7 +893,7 @@ static int lan_saa9730_start_xmit(struct sk_buff *skb, lp->stats.tx_packets++; dev->trans_start = jiffies; - netif_start_queue(dev); + netif_wake_queue(dev); dev_kfree_skb(skb); spin_unlock_irqrestore(&lp->lock, flags); @@ -932,8 +903,7 @@ static int lan_saa9730_start_xmit(struct sk_buff *skb, static int lan_saa9730_close(struct net_device *dev) { - struct lan_saa9730_private *lp = - (struct lan_saa9730_private *) dev->priv; + struct lan_saa9730_private *lp = netdev_priv(dev); if (lan_saa9730_debug > 1) printk("lan_saa9730_close:\n"); @@ -955,33 +925,31 @@ static int lan_saa9730_close(struct net_device *dev) static struct net_device_stats *lan_saa9730_get_stats(struct net_device *dev) { - struct lan_saa9730_private *lp = - (struct lan_saa9730_private *) dev->priv; + struct lan_saa9730_private *lp = netdev_priv(dev); return &lp->stats; } static void lan_saa9730_set_multicast(struct net_device *dev) { - struct lan_saa9730_private *lp = - (struct lan_saa9730_private *) dev->priv; + struct lan_saa9730_private *lp = netdev_priv(dev); /* Stop the controller */ lan_saa9730_stop(lp); if (dev->flags & IFF_PROMISC) { /* accept all packets */ - OUTL(CAM_CONTROL_COMP_EN | CAM_CONTROL_STATION_ACC | + outl(CAM_CONTROL_COMP_EN | CAM_CONTROL_STATION_ACC | CAM_CONTROL_GROUP_ACC | CAM_CONTROL_BROAD_ACC, &lp->lan_saa9730_regs->CamCtl); } else { if (dev->flags & IFF_ALLMULTI) { /* accept all multicast packets */ - OUTL(CAM_CONTROL_COMP_EN | CAM_CONTROL_GROUP_ACC | + outl(CAM_CONTROL_COMP_EN | CAM_CONTROL_GROUP_ACC | CAM_CONTROL_BROAD_ACC, &lp->lan_saa9730_regs->CamCtl); } else { - /* + /* * Will handle the multicast stuff later. -carstenl */ } @@ -993,94 +961,86 @@ static void lan_saa9730_set_multicast(struct net_device *dev) static void __devexit saa9730_remove_one(struct pci_dev *pdev) { - struct net_device *dev = pci_get_drvdata(pdev); - - if (dev) { - unregister_netdev(dev); - - if (dev->priv) - kfree(dev->priv); - - free_netdev(dev); - pci_release_regions(pdev); - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); - } + struct net_device *dev = pci_get_drvdata(pdev); + struct lan_saa9730_private *lp = netdev_priv(dev); + + if (dev) { + unregister_netdev(dev); + lan_saa9730_free_buffers(pdev, lp); + iounmap(lp->lan_saa9730_regs); + iounmap(lp->evm_saa9730_regs); + free_netdev(dev); + pci_release_regions(pdev); + pci_disable_device(pdev); + pci_set_drvdata(pdev, NULL); + } } -static int lan_saa9730_init(struct net_device *dev, int ioaddr, int irq) +static int lan_saa9730_init(struct net_device *dev, struct pci_dev *pdev, + unsigned long ioaddr, int irq) { - struct lan_saa9730_private *lp; + struct lan_saa9730_private *lp = netdev_priv(dev); unsigned char ethernet_addr[6]; - int ret = 0; + int ret; - dev->open = lan_saa9730_open_fail; + if (get_ethernet_addr(ethernet_addr)) { + ret = -ENODEV; + goto out; + } - if (get_ethernet_addr(ethernet_addr)) - return -ENODEV; - memcpy(dev->dev_addr, ethernet_addr, 6); dev->base_addr = ioaddr; dev->irq = irq; - - /* - * Make certain the data structures used by the controller are aligned - * and DMAble. - */ - /* - * XXX: that is obviously broken - kfree() won't be happy with us. - */ - lp = (struct lan_saa9730_private *) (((unsigned long) - kmalloc(sizeof(*lp) + 7, - GFP_DMA | GFP_KERNEL) - + 7) & ~7); - if (!lp) - return -ENOMEM; - - dev->priv = lp; - memset(lp, 0, sizeof(*lp)); + lp->pci_dev = pdev; /* Set SAA9730 LAN base address. */ - lp->lan_saa9730_regs = (t_lan_saa9730_regmap *) (ioaddr + - SAA9730_LAN_REGS_ADDR); + lp->lan_saa9730_regs = ioremap(ioaddr + SAA9730_LAN_REGS_ADDR, + SAA9730_LAN_REGS_SIZE); + if (!lp->lan_saa9730_regs) { + ret = -ENOMEM; + goto out; + } /* Set SAA9730 EVM base address. */ - lp->evm_saa9730_regs = (t_evm_saa9730_regmap *) (ioaddr + - SAA9730_EVM_REGS_ADDR); + lp->evm_saa9730_regs = ioremap(ioaddr + SAA9730_EVM_REGS_ADDR, + SAA9730_EVM_REGS_SIZE); + if (!lp->evm_saa9730_regs) { + ret = -ENOMEM; + goto out_iounmap_lan; + } /* Allocate LAN RX/TX frame buffer space. */ - /* FIXME: a leak */ - if ((ret = lan_saa9730_allocate_buffers(lp))) - goto out; + if ((ret = lan_saa9730_allocate_buffers(pdev, lp))) + goto out_iounmap; /* Stop LAN controller. */ - if ((ret = lan_saa9730_stop(lp))) - goto out; - + if ((ret = lan_saa9730_stop(lp))) + goto out_free_consistent; + /* Initialize CAM registers. */ if ((ret = lan_saa9730_cam_init(dev))) - goto out; + goto out_free_consistent; /* Initialize MII registers. */ if ((ret = lan_saa9730_mii_init(lp))) - goto out; + goto out_free_consistent; /* Initialize control registers. */ - if ((ret = lan_saa9730_control_init(lp))) - goto out; - + if ((ret = lan_saa9730_control_init(lp))) + goto out_free_consistent; + /* Load CAM registers. */ - if ((ret = lan_saa9730_cam_load(lp))) - goto out; - + if ((ret = lan_saa9730_cam_load(lp))) + goto out_free_consistent; + /* Initialize DMA context registers. */ if ((ret = lan_saa9730_dma_init(lp))) - goto out; - + goto out_free_consistent; + spin_lock_init(&lp->lock); - + dev->open = lan_saa9730_open; dev->hard_start_xmit = lan_saa9730_start_xmit; dev->stop = lan_saa9730_close; @@ -1089,45 +1049,43 @@ static int lan_saa9730_init(struct net_device *dev, int ioaddr, int irq) dev->tx_timeout = lan_saa9730_tx_timeout; dev->watchdog_timeo = (HZ >> 1); dev->dma = 0; - - ret = register_netdev(dev); + + ret = register_netdev (dev); if (ret) - goto out; + goto out_free_consistent; + return 0; - out: - if (dev->priv) - kfree(dev->priv); +out_free_consistent: + lan_saa9730_free_buffers(pdev, lp); +out_iounmap: + iounmap(lp->evm_saa9730_regs); +out_iounmap_lan: + iounmap(lp->lan_saa9730_regs); +out: return ret; } static int __devinit saa9730_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { - struct net_device *dev; - unsigned int pci_ioaddr; + struct net_device *dev = NULL; + unsigned long pci_ioaddr; int err; if (lan_saa9730_debug > 1) printk("saa9730.c: PCI bios is present, checking for devices...\n"); - err = -ENOMEM; - dev = alloc_etherdev(0); - if (!dev) - goto out; - - SET_MODULE_OWNER(dev); - err = pci_enable_device(pdev); - if (err) { - printk(KERN_ERR "Cannot enable PCI device, aborting.\n"); - goto out1; - } + if (err) { + printk(KERN_ERR "Cannot enable PCI device, aborting.\n"); + goto out; + } err = pci_request_regions(pdev, DRV_MODULE_NAME); if (err) { printk(KERN_ERR "Cannot obtain PCI resources, aborting.\n"); - goto out2; + goto out_disable_pdev; } pci_irq_line = pdev->irq; @@ -1136,49 +1094,54 @@ static int __devinit saa9730_init_one(struct pci_dev *pdev, const struct pci_dev pci_ioaddr = pci_resource_start(pdev, 1); pci_set_master(pdev); - printk("Found SAA9730 (PCI) at %#x, irq %d.\n", + printk("Found SAA9730 (PCI) at %lx, irq %d.\n", pci_ioaddr, pci_irq_line); - err = lan_saa9730_init(dev, pci_ioaddr, pci_irq_line); + dev = alloc_etherdev(sizeof(struct lan_saa9730_private)); + if (!dev) + goto out_disable_pdev; + + err = lan_saa9730_init(dev, pdev, pci_ioaddr, pci_irq_line); if (err) { - printk("Lan init failed"); - goto out2; + printk("LAN init failed"); + goto out_free_netdev; } pci_set_drvdata(pdev, dev); SET_NETDEV_DEV(dev, &pdev->dev); return 0; - -out2: - pci_disable_device(pdev); -out1: + +out_free_netdev: free_netdev(dev); +out_disable_pdev: + pci_disable_device(pdev); out: + pci_set_drvdata(pdev, NULL); return err; } static struct pci_driver saa9730_driver = { - .name = DRV_MODULE_NAME, - .id_table = saa9730_pci_tbl, - .probe = saa9730_init_one, - .remove = __devexit_p(saa9730_remove_one), + .name = DRV_MODULE_NAME, + .id_table = saa9730_pci_tbl, + .probe = saa9730_init_one, + .remove = __devexit_p(saa9730_remove_one), }; static int __init saa9730_init(void) { - return pci_module_init(&saa9730_driver); + return pci_module_init(&saa9730_driver); } static void __exit saa9730_cleanup(void) { - pci_unregister_driver(&saa9730_driver); + pci_unregister_driver(&saa9730_driver); } module_init(saa9730_init); module_exit(saa9730_cleanup); - - +MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); +MODULE_DESCRIPTION("Philips SAA9730 ethernet driver"); MODULE_LICENSE("GPL"); |