*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * the Free Software Foundation; either version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
#include "sky2.h"
#define DRV_NAME "sky2"
-#define DRV_VERSION "1.9"
+#define DRV_VERSION "1.10"
#define PFX DRV_NAME " "
/*
module_param(disable_msi, int, 0);
MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
-static int idle_timeout = 100;
+static int idle_timeout = 0;
module_param(idle_timeout, int, 0);
-MODULE_PARM_DESC(idle_timeout, "Idle timeout workaround for lost interrupts (ms)");
+MODULE_PARM_DESC(idle_timeout, "Watchdog timer for lost interrupts (ms)");
static const struct pci_device_id sky2_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) },
{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) },
{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4b00) }, /* DGE-560T */
{ PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4001) }, /* DGE-550SX */
+ { PCI_DEVICE(PCI_VENDOR_ID_DLINK, 0x4B02) }, /* DGE-560SX */
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4340) },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4341) },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4342) },
gma_write16(hw, port, GM_RX_CTRL, reg);
}
+/* flow control to advertise bits */
+static const u16 copper_fc_adv[] = {
+ [FC_NONE] = 0,
+ [FC_TX] = PHY_M_AN_ASP,
+ [FC_RX] = PHY_M_AN_PC,
+ [FC_BOTH] = PHY_M_AN_PC | PHY_M_AN_ASP,
+};
+
+/* flow control to advertise bits when using 1000BaseX */
+static const u16 fiber_fc_adv[] = {
+ [FC_BOTH] = PHY_M_P_BOTH_MD_X,
+ [FC_TX] = PHY_M_P_ASYM_MD_X,
+ [FC_RX] = PHY_M_P_SYM_MD_X,
+ [FC_NONE] = PHY_M_P_NO_PAUSE_X,
+};
+
+/* flow control to GMA disable bits */
+static const u16 gm_fc_disable[] = {
+ [FC_NONE] = GM_GPCR_FC_RX_DIS | GM_GPCR_FC_TX_DIS,
+ [FC_TX] = GM_GPCR_FC_RX_DIS,
+ [FC_RX] = GM_GPCR_FC_TX_DIS,
+ [FC_BOTH] = 0,
+};
+
+
static void sky2_phy_init(struct sky2_hw *hw, unsigned port)
{
struct sky2_port *sky2 = netdev_priv(hw->dev[port]);
gm_phy_write(hw, port, PHY_MARV_EXT_ADR, pg);
}
- ctrl = gm_phy_read(hw, port, PHY_MARV_CTRL);
- if (sky2->autoneg == AUTONEG_DISABLE)
- ctrl &= ~PHY_CT_ANE;
- else
- ctrl |= PHY_CT_ANE;
-
- ctrl |= PHY_CT_RESET;
- gm_phy_write(hw, port, PHY_MARV_CTRL, ctrl);
-
- ctrl = 0;
+ ctrl = PHY_CT_RESET;
ct1000 = 0;
adv = PHY_AN_CSMA;
reg = 0;
adv |= PHY_M_AN_10_FD;
if (sky2->advertising & ADVERTISED_10baseT_Half)
adv |= PHY_M_AN_10_HD;
+
+ adv |= copper_fc_adv[sky2->flow_mode];
} else { /* special defines for FIBER (88E1040S only) */
if (sky2->advertising & ADVERTISED_1000baseT_Full)
adv |= PHY_M_AN_1000X_AFD;
if (sky2->advertising & ADVERTISED_1000baseT_Half)
adv |= PHY_M_AN_1000X_AHD;
- }
- /* Set Flow-control capabilities */
- if (sky2->tx_pause && sky2->rx_pause)
- adv |= PHY_AN_PAUSE_CAP; /* symmetric */
- else if (sky2->rx_pause && !sky2->tx_pause)
- adv |= PHY_AN_PAUSE_ASYM | PHY_AN_PAUSE_CAP;
- else if (!sky2->rx_pause && sky2->tx_pause)
- adv |= PHY_AN_PAUSE_ASYM; /* local */
+ adv |= fiber_fc_adv[sky2->flow_mode];
+ }
/* Restart Auto-negotiation */
ctrl |= PHY_CT_ANE | PHY_CT_RE_CFG;
if (sky2->duplex == DUPLEX_FULL) {
reg |= GM_GPCR_DUP_FULL;
ctrl |= PHY_CT_DUP_MD;
- } else if (sky2->speed != SPEED_1000 && hw->chip_id != CHIP_ID_YUKON_EC_U) {
- /* Turn off flow control for 10/100mbps */
- sky2->rx_pause = 0;
- sky2->tx_pause = 0;
- }
+ } else if (sky2->speed < SPEED_1000)
+ sky2->flow_mode = FC_NONE;
- if (!sky2->rx_pause)
- reg |= GM_GPCR_FC_RX_DIS;
- if (!sky2->tx_pause)
- reg |= GM_GPCR_FC_TX_DIS;
+ reg |= gm_fc_disable[sky2->flow_mode];
/* Forward pause packets to GMAC? */
- if (sky2->tx_pause || sky2->rx_pause)
+ if (sky2->flow_mode & FC_RX)
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON);
else
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF);
-
- ctrl |= PHY_CT_RESET;
}
gma_write16(hw, port, GM_GP_CTRL, reg);
/* Flush Rx MAC FIFO on any flow control or error */
sky2_write16(hw, SK_REG(port, RX_GMF_FL_MSK), GMR_FS_ANY_ERR);
- /* Set threshold to 0xa (64 bytes)
- * ASF disabled so no need to do WA dev #4.30
- */
- sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF);
+ /* Set threshold to 0xa (64 bytes) + 1 to workaround pause bug */
+ sky2_write16(hw, SK_REG(port, RX_GMF_FL_THR), RX_GMF_FL_THR_DEF+1);
/* Configure Tx MAC FIFO */
sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_CLR);
}
-/* Assign Ram Buffer allocation.
- * start and end are in units of 4k bytes
- * ram registers are in units of 64bit words
- */
-static void sky2_ramset(struct sky2_hw *hw, u16 q, u8 startk, u8 endk)
+/* Assign Ram Buffer allocation in units of 64bit (8 bytes) */
+static void sky2_ramset(struct sky2_hw *hw, u16 q, u32 start, u32 end)
{
- u32 start, end;
-
- start = startk * 4096/8;
- end = (endk * 4096/8) - 1;
+ pr_debug(PFX "q %d %#x %#x\n", q, start, end);
sky2_write8(hw, RB_ADDR(q, RB_CTRL), RB_RST_CLR);
sky2_write32(hw, RB_ADDR(q, RB_START), start);
sky2_write32(hw, RB_ADDR(q, RB_RP), start);
if (q == Q_R1 || q == Q_R2) {
- u32 space = (endk - startk) * 4096/8;
+ u32 space = end - start + 1;
u32 tp = space - space/4;
/* On receive queue's set the thresholds
sky2->rx_put = sky2->rx_next = 0;
sky2_qset(hw, rxq);
- if (hw->chip_id == CHIP_ID_YUKON_EC_U && hw->chip_rev >= 2) {
+ if (hw->chip_id == CHIP_ID_YUKON_EC_U &&
+ (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0)) {
/* MAC Rx RAM Read is controlled by hardware */
sky2_write32(hw, Q_ADDR(rxq, Q_F), F_M_RX_RAM_DIS);
}
sky2_mac_init(hw, port);
- /* Determine available ram buffer space (in 4K blocks).
- * Note: not sure about the FE setting below yet
- */
- if (hw->chip_id == CHIP_ID_YUKON_FE)
- ramsize = 4;
- else
- ramsize = sky2_read8(hw, B2_E_0);
+ /* Determine available ram buffer space in qwords. */
+ ramsize = sky2_read8(hw, B2_E_0) * 4096/8;
- /* Give transmitter one third (rounded up) */
- rxspace = ramsize - (ramsize + 2) / 3;
+ if (ramsize > 6*1024/8)
+ rxspace = ramsize - (ramsize + 2) / 3;
+ else
+ rxspace = ramsize / 2;
- sky2_ramset(hw, rxqaddr[port], 0, rxspace);
- sky2_ramset(hw, txqaddr[port], rxspace, ramsize);
+ sky2_ramset(hw, rxqaddr[port], 0, rxspace-1);
+ sky2_ramset(hw, txqaddr[port], rxspace, ramsize-1);
/* Make sure SyncQ is disabled */
sky2_write8(hw, RB_ADDR(port == 0 ? Q_XS1 : Q_XS2, RB_CTRL),
u32 tcpsum;
tcpsum = offset << 16; /* sum start */
- tcpsum |= offset + skb->csum; /* sum write */
+ tcpsum |= offset + skb->csum_offset; /* sum write */
ctrl = CALSUM | WR_SUM | INIT_SUM | LOCK_SUM;
if (skb->nh.iph->protocol == IPPROTO_UDP)
if (unlikely(netif_msg_tx_done(sky2)))
printk(KERN_DEBUG "%s: tx done %u\n",
dev->name, idx);
- dev_kfree_skb(re->skb);
+ dev_kfree_skb_any(re->skb);
}
le->opcode = 0; /* paranoia */
/* Stop more packets from being queued */
netif_stop_queue(dev);
+ /* Disable port IRQ */
+ imask = sky2_read32(hw, B0_IMSK);
+ imask &= ~portirq_msk[port];
+ sky2_write32(hw, B0_IMSK, imask);
+
sky2_gmac_reset(hw, port);
/* Stop transmitter */
/* WA for dev. #4.209 */
if (hw->chip_id == CHIP_ID_YUKON_EC_U
- && hw->chip_rev == CHIP_REV_YU_EC_U_A1)
+ && (hw->chip_rev == CHIP_REV_YU_EC_U_A1 || hw->chip_rev == CHIP_REV_YU_EC_U_B0))
sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T),
sky2->speed != SPEED_1000 ?
TX_STFW_ENA : TX_STFW_DIS);
sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
sky2_write8(hw, SK_REG(port, TX_GMF_CTRL_T), GMF_RST_SET);
- /* Disable port IRQ */
- imask = sky2_read32(hw, B0_IMSK);
- imask &= ~portirq_msk[port];
- sky2_write32(hw, B0_IMSK, imask);
-
sky2_phy_power(hw, port, 0);
/* turn off LED's */
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
u16 reg;
+ static const char *fc_name[] = {
+ [FC_NONE] = "none",
+ [FC_TX] = "tx",
+ [FC_RX] = "rx",
+ [FC_BOTH] = "both",
+ };
/* enable Rx/Tx */
reg = gma_read16(hw, port, GM_GP_CTRL);
"%s: Link is up at %d Mbps, %s duplex, flow control %s\n",
sky2->netdev->name, sky2->speed,
sky2->duplex == DUPLEX_FULL ? "full" : "half",
- (sky2->tx_pause && sky2->rx_pause) ? "both" :
- sky2->tx_pause ? "tx" : sky2->rx_pause ? "rx" : "none");
+ fc_name[sky2->flow_status]);
}
static void sky2_link_down(struct sky2_port *sky2)
reg &= ~(GM_GPCR_RX_ENA | GM_GPCR_TX_ENA);
gma_write16(hw, port, GM_GP_CTRL, reg);
- if (sky2->rx_pause && !sky2->tx_pause) {
+ if (sky2->flow_status == FC_RX) {
/* restore Asymmetric Pause bit */
gm_phy_write(hw, port, PHY_MARV_AUNE_ADV,
gm_phy_read(hw, port, PHY_MARV_AUNE_ADV)
sky2_phy_init(hw, port);
}
+static enum flow_control sky2_flow(int rx, int tx)
+{
+ if (rx)
+ return tx ? FC_BOTH : FC_RX;
+ else
+ return tx ? FC_TX : FC_NONE;
+}
+
static int sky2_autoneg_done(struct sky2_port *sky2, u16 aux)
{
struct sky2_hw *hw = sky2->hw;
}
sky2->speed = sky2_phy_speed(hw, aux);
- if (sky2->speed == SPEED_1000) {
- u16 ctl2 = gm_phy_read(hw, port, PHY_MARV_1000T_CTRL);
- u16 lpa2 = gm_phy_read(hw, port, PHY_MARV_1000T_STAT);
- if (lpa2 & PHY_B_1000S_MSF) {
- printk(KERN_ERR PFX "%s: master/slave fault",
- sky2->netdev->name);
- return -1;
- }
-
- if ((ctl2 & PHY_M_1000C_AFD) && (lpa2 & PHY_B_1000S_LP_FD))
- sky2->duplex = DUPLEX_FULL;
- else
- sky2->duplex = DUPLEX_HALF;
- } else {
- u16 adv = gm_phy_read(hw, port, PHY_MARV_AUNE_ADV);
- if ((aux & adv) & PHY_AN_FULL)
- sky2->duplex = DUPLEX_FULL;
- else
- sky2->duplex = DUPLEX_HALF;
- }
+ sky2->duplex = (aux & PHY_M_PS_FULL_DUP) ? DUPLEX_FULL : DUPLEX_HALF;
/* Pause bits are offset (9..8) */
if (hw->chip_id == CHIP_ID_YUKON_XL || hw->chip_id == CHIP_ID_YUKON_EC_U)
aux >>= 6;
- sky2->rx_pause = (aux & PHY_M_PS_RX_P_EN) != 0;
- sky2->tx_pause = (aux & PHY_M_PS_TX_P_EN) != 0;
+ sky2->flow_status = sky2_flow(aux & PHY_M_PS_RX_P_EN,
+ aux & PHY_M_PS_TX_P_EN);
- if (sky2->duplex == DUPLEX_HALF && sky2->speed != SPEED_1000
+ if (sky2->duplex == DUPLEX_HALF && sky2->speed < SPEED_1000
&& hw->chip_id != CHIP_ID_YUKON_EC_U)
- sky2->rx_pause = sky2->tx_pause = 0;
+ sky2->flow_status = FC_NONE;
- if (sky2->rx_pause || sky2->tx_pause)
+ if (aux & PHY_M_PS_RX_P_EN)
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_ON);
else
sky2_write8(hw, SK_REG(port, GMAC_CTRL), GMC_PAUSE_OFF);
struct sky2_port *sky2 = netdev_priv(dev);
u16 istatus, phystat;
+ if (!netif_running(dev))
+ return;
+
spin_lock(&sky2->phy_lock);
istatus = gm_phy_read(hw, port, PHY_MARV_INT_STAT);
phystat = gm_phy_read(hw, port, PHY_MARV_PHY_STAT);
- if (!netif_running(dev))
- goto out;
-
if (netif_msg_intr(sky2))
printk(KERN_INFO PFX "%s: phy interrupt status 0x%x 0x%x\n",
sky2->netdev->name, istatus, phystat);
error:
++sky2->net_stats.rx_errors;
+ if (status & GMR_FS_RX_FF_OV) {
+ sky2->net_stats.rx_fifo_errors++;
+ goto resubmit;
+ }
if (netif_msg_rx_err(sky2) && net_ratelimit())
printk(KERN_INFO PFX "%s: rx error, status 0x%x length %d\n",
sky2->net_stats.rx_frame_errors++;
if (status & GMR_FS_CRC_ERR)
sky2->net_stats.rx_crc_errors++;
- if (status & GMR_FS_RX_FF_OV)
- sky2->net_stats.rx_fifo_errors++;
goto resubmit;
}
case OP_RXSTAT:
skb = sky2_receive(dev, length, status);
if (!skb)
- break;
+ goto force_update;
skb->protocol = eth_type_trans(skb, dev);
dev->last_rx = jiffies;
/* Update receiver after 16 frames */
if (++buf_write[le->link] == RX_BUF_WRITE) {
- sky2_put_idx(hw, rxqaddr[le->link],
- sky2->rx_put);
+force_update:
+ sky2_put_idx(hw, rxqaddr[le->link], sky2->rx_put);
buf_write[le->link] = 0;
}
/* PCI-Express uncorrectable Error occurred */
u32 pex_err;
- pex_err = sky2_pci_read32(hw,
- hw->err_cap + PCI_ERR_UNCOR_STATUS);
+ pex_err = sky2_pci_read32(hw, PEX_UNC_ERR_STAT);
if (net_ratelimit())
printk(KERN_ERR PFX "%s: pci express error (0x%x)\n",
/* clear the interrupt */
sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
- sky2_pci_write32(hw,
- hw->err_cap + PCI_ERR_UNCOR_STATUS,
- 0xffffffffUL);
+ sky2_pci_write32(hw, PEX_UNC_ERR_STAT,
+ 0xffffffffUL);
sky2_write32(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
-
- /* In case of fatal error mask off to keep from getting stuck */
- if (pex_err & (PCI_ERR_UNC_POISON_TLP | PCI_ERR_UNC_FCP
- | PCI_ERR_UNC_DLP)) {
+ if (pex_err & PEX_FATAL_ERRORS) {
u32 hwmsk = sky2_read32(hw, B0_HWE_IMSK);
hwmsk &= ~Y2_IS_PCI_EXP;
sky2_write32(hw, B0_HWE_IMSK, hwmsk);
}
-
}
if (status & Y2_HWE_L1_MASK)
}
}
-static irqreturn_t sky2_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t sky2_intr(int irq, void *dev_id)
{
struct sky2_hw *hw = dev_id;
struct net_device *dev0 = hw->dev[0];
u16 status;
u8 t8;
int i;
- u32 msk;
sky2_write8(hw, B0_CTST, CS_RST_CLR);
sky2_write8(hw, B0_CTST, CS_MRST_CLR);
/* clear any PEX errors */
- if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) {
- hw->err_cap = pci_find_ext_capability(hw->pdev, PCI_EXT_CAP_ID_ERR);
- if (hw->err_cap)
- sky2_pci_write32(hw,
- hw->err_cap + PCI_ERR_UNCOR_STATUS,
- 0xffffffffUL);
- }
+ if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP))
+ sky2_pci_write32(hw, PEX_UNC_ERR_STAT, 0xffffffffUL);
+
hw->pmd_type = sky2_read8(hw, B2_PMD_TYP);
hw->ports = 1;
sky2_write8(hw, RAM_BUFFER(i, B3_RI_RTO_XS2), SK_RI_TO_53);
}
- msk = Y2_HWE_ALL_MASK;
- if (!hw->err_cap)
- msk &= ~Y2_IS_PCI_EXP;
- sky2_write32(hw, B0_HWE_IMSK, msk);
+ sky2_write32(hw, B0_HWE_IMSK, Y2_HWE_ALL_MASK);
for (i = 0; i < hw->ports; i++)
sky2_gmac_reset(hw, i);
{
struct sky2_port *sky2 = netdev_priv(dev);
- if (sky2->autoneg != AUTONEG_ENABLE)
+ if (!netif_running(dev) || sky2->autoneg != AUTONEG_ENABLE)
return -EINVAL;
sky2_phy_reinit(sky2);
return 0;
}
+static void inline sky2_add_filter(u8 filter[8], const u8 *addr)
+{
+ u32 bit;
+
+ bit = ether_crc(ETH_ALEN, addr) & 63;
+ filter[bit >> 3] |= 1 << (bit & 7);
+}
+
static void sky2_set_multicast(struct net_device *dev)
{
struct sky2_port *sky2 = netdev_priv(dev);
struct dev_mc_list *list = dev->mc_list;
u16 reg;
u8 filter[8];
+ int rx_pause;
+ static const u8 pause_mc_addr[ETH_ALEN] = { 0x1, 0x80, 0xc2, 0x0, 0x0, 0x1 };
+ rx_pause = (sky2->flow_status == FC_RX || sky2->flow_status == FC_BOTH);
memset(filter, 0, sizeof(filter));
reg = gma_read16(hw, port, GM_RX_CTRL);
if (dev->flags & IFF_PROMISC) /* promiscuous */
reg &= ~(GM_RXCR_UCF_ENA | GM_RXCR_MCF_ENA);
- else if ((dev->flags & IFF_ALLMULTI) || dev->mc_count > 16) /* all multicast */
+ else if (dev->flags & IFF_ALLMULTI)
memset(filter, 0xff, sizeof(filter));
- else if (dev->mc_count == 0) /* no multicast */
+ else if (dev->mc_count == 0 && !rx_pause)
reg &= ~GM_RXCR_MCF_ENA;
else {
int i;
reg |= GM_RXCR_MCF_ENA;
- for (i = 0; list && i < dev->mc_count; i++, list = list->next) {
- u32 bit = ether_crc(ETH_ALEN, list->dmi_addr) & 0x3f;
- filter[bit / 8] |= 1 << (bit % 8);
- }
+ if (rx_pause)
+ sky2_add_filter(filter, pause_mc_addr);
+
+ for (i = 0; list && i < dev->mc_count; i++, list = list->next)
+ sky2_add_filter(filter, list->dmi_addr);
}
gma_write16(hw, port, GM_MC_ADDR_H1,
{
struct sky2_port *sky2 = netdev_priv(dev);
- ecmd->tx_pause = sky2->tx_pause;
- ecmd->rx_pause = sky2->rx_pause;
+ switch (sky2->flow_mode) {
+ case FC_NONE:
+ ecmd->tx_pause = ecmd->rx_pause = 0;
+ break;
+ case FC_TX:
+ ecmd->tx_pause = 1, ecmd->rx_pause = 0;
+ break;
+ case FC_RX:
+ ecmd->tx_pause = 0, ecmd->rx_pause = 1;
+ break;
+ case FC_BOTH:
+ ecmd->tx_pause = ecmd->rx_pause = 1;
+ }
+
ecmd->autoneg = sky2->autoneg;
}
struct sky2_port *sky2 = netdev_priv(dev);
sky2->autoneg = ecmd->autoneg;
- sky2->tx_pause = ecmd->tx_pause != 0;
- sky2->rx_pause = ecmd->rx_pause != 0;
+ sky2->flow_mode = sky2_flow(ecmd->rx_pause, ecmd->tx_pause);
- sky2_phy_reinit(sky2);
+ if (netif_running(dev))
+ sky2_phy_reinit(sky2);
return 0;
}
dev->poll = sky2_poll;
dev->weight = NAPI_WEIGHT;
#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = sky2_netpoll;
+ /* Network console (only works on port 0)
+ * because netpoll makes assumptions about NAPI
+ */
+ if (port == 0)
+ dev->poll_controller = sky2_netpoll;
#endif
sky2 = netdev_priv(dev);
/* Auto speed and flow control */
sky2->autoneg = AUTONEG_ENABLE;
- sky2->tx_pause = 1;
- sky2->rx_pause = 1;
+ sky2->flow_mode = FC_BOTH;
+
sky2->duplex = -1;
sky2->speed = -1;
sky2->advertising = sky2_supported_modes(hw);
}
/* Handle software interrupt used during MSI test */
-static irqreturn_t __devinit sky2_test_intr(int irq, void *dev_id,
- struct pt_regs *regs)
+static irqreturn_t __devinit sky2_test_intr(int irq, void *dev_id)
{
struct sky2_hw *hw = dev_id;
u32 status = sky2_read32(hw, B0_Y2_SP_ISRC2);
return IRQ_NONE;
if (status & Y2_IS_IRQ_SW) {
- hw->msi_detected = 1;
+ hw->msi = 1;
wake_up(&hw->msi_wait);
sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ);
}
sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW);
- err = request_irq(pdev->irq, sky2_test_intr, IRQF_SHARED, DRV_NAME, hw);
+ err = request_irq(pdev->irq, sky2_test_intr, 0, DRV_NAME, hw);
if (err) {
printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
pci_name(pdev), pdev->irq);
sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ);
sky2_read8(hw, B0_CTST);
- wait_event_timeout(hw->msi_wait, hw->msi_detected, HZ/10);
+ wait_event_timeout(hw->msi_wait, hw->msi, HZ/10);
- if (!hw->msi_detected) {
+ if (!hw->msi) {
/* MSI test failed, go back to INTx mode */
- printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
- "switching to INTx mode. Please report this failure to "
- "the PCI maintainer and include system chipset information.\n",
+ printk(KERN_INFO PFX "%s: No interrupt generated using MSI, "
+ "switching to INTx mode.\n",
pci_name(pdev));
err = -EOPNOTSUPP;
}
sky2_write32(hw, B0_IMSK, 0);
+ sky2_read32(hw, B0_IMSK);
free_irq(pdev->irq, hw);
goto err_out_free_netdev;
}
- err = request_irq(pdev->irq, sky2_intr, IRQF_SHARED, dev->name, hw);
+ err = request_irq(pdev->irq, sky2_intr, hw->msi ? 0 : IRQF_SHARED,
+ dev->name, hw);
if (err) {
printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
pci_name(pdev), pdev->irq);
return 0;
err_out_unregister:
- pci_disable_msi(pdev);
+ if (hw->msi)
+ pci_disable_msi(pdev);
unregister_netdev(dev);
err_out_free_netdev:
free_netdev(dev);
sky2_read8(hw, B0_CTST);
free_irq(pdev->irq, hw);
- pci_disable_msi(pdev);
+ if (hw->msi)
+ pci_disable_msi(pdev);
pci_free_consistent(pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma);
pci_release_regions(pdev);
pci_disable_device(pdev);
Code Review / linux-2.6.git / blobdiff