diff options
Diffstat (limited to 'drivers/net/phy')
-rw-r--r-- | drivers/net/phy/Kconfig | 2 | ||||
-rw-r--r-- | drivers/net/phy/broadcom.c | 2 | ||||
-rw-r--r-- | drivers/net/phy/dp83640.c | 223 | ||||
-rw-r--r-- | drivers/net/phy/icplus.c | 100 | ||||
-rw-r--r-- | drivers/net/phy/mdio-gpio.c | 2 | ||||
-rw-r--r-- | drivers/net/phy/national.c | 17 | ||||
-rw-r--r-- | drivers/net/phy/phy_device.c | 4 | ||||
-rw-r--r-- | drivers/net/phy/vitesse.c | 34 |
8 files changed, 303 insertions, 81 deletions
diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index a70244306c94..bb88e12101c7 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -3,7 +3,7 @@ # menuconfig PHYLIB - tristate "PHY Device support and infrastructure" + bool "PHY Device support and infrastructure" depends on !S390 depends on NETDEVICES help diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index d84c4224dd12..e8be47d6d7d0 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -553,7 +553,7 @@ static int bcm5481_config_aneg(struct phy_device *phydev) /* * There is no BCM5481 specification available, so down * here is everything we know about "register 0x18". This - * at least helps BCM5481 to successfuly receive packets + * at least helps BCM5481 to successfully receive packets * on MPC8360E-RDK board. Peter Barada <peterb@logicpd.com> * says: "This sets delay between the RXD and RXC signals * instead of using trace lengths to achieve timing". diff --git a/drivers/net/phy/dp83640.c b/drivers/net/phy/dp83640.c index 2cd8dc5847b4..9663e0ba6003 100644 --- a/drivers/net/phy/dp83640.c +++ b/drivers/net/phy/dp83640.c @@ -34,18 +34,16 @@ #define PAGESEL 0x13 #define LAYER4 0x02 #define LAYER2 0x01 -#define MAX_RXTS 4 -#define MAX_TXTS 4 -#define N_EXT_TS 1 +#define MAX_RXTS 64 +#define N_EXT_TS 6 #define PSF_PTPVER 2 #define PSF_EVNT 0x4000 #define PSF_RX 0x2000 #define PSF_TX 0x1000 #define EXT_EVENT 1 -#define EXT_GPIO 1 -#define CAL_EVENT 2 -#define CAL_GPIO 9 -#define CAL_TRIGGER 2 +#define CAL_EVENT 7 +#define CAL_TRIGGER 7 +#define PER_TRIGGER 6 /* phyter seems to miss the mark by 16 ns */ #define ADJTIME_FIX 16 @@ -132,16 +130,30 @@ struct dp83640_clock { /* globals */ +enum { + CALIBRATE_GPIO, + PEROUT_GPIO, + EXTTS0_GPIO, + EXTTS1_GPIO, + EXTTS2_GPIO, + EXTTS3_GPIO, + EXTTS4_GPIO, + EXTTS5_GPIO, + GPIO_TABLE_SIZE +}; + static int chosen_phy = -1; -static ushort cal_gpio = 4; +static ushort gpio_tab[GPIO_TABLE_SIZE] = { + 1, 2, 3, 4, 8, 9, 10, 11 +}; module_param(chosen_phy, int, 0444); -module_param(cal_gpio, ushort, 0444); +module_param_array(gpio_tab, ushort, NULL, 0444); MODULE_PARM_DESC(chosen_phy, \ "The address of the PHY to use for the ancillary clock features"); -MODULE_PARM_DESC(cal_gpio, \ - "Which GPIO line to use for synchronizing multiple PHYs"); +MODULE_PARM_DESC(gpio_tab, \ + "Which GPIO line to use for which purpose: cal,perout,extts1,...,extts6"); /* a list of clocks and a mutex to protect it */ static LIST_HEAD(phyter_clocks); @@ -218,7 +230,7 @@ static void phy2rxts(struct phy_rxts *p, struct rxts *rxts) rxts->seqid = p->seqid; rxts->msgtype = (p->msgtype >> 12) & 0xf; rxts->hash = p->msgtype & 0x0fff; - rxts->tmo = jiffies + HZ; + rxts->tmo = jiffies + 2; } static u64 phy2txts(struct phy_txts *p) @@ -236,6 +248,61 @@ static u64 phy2txts(struct phy_txts *p) return ns; } +static void periodic_output(struct dp83640_clock *clock, + struct ptp_clock_request *clkreq, bool on) +{ + struct dp83640_private *dp83640 = clock->chosen; + struct phy_device *phydev = dp83640->phydev; + u32 sec, nsec, period; + u16 gpio, ptp_trig, trigger, val; + + gpio = on ? gpio_tab[PEROUT_GPIO] : 0; + trigger = PER_TRIGGER; + + ptp_trig = TRIG_WR | + (trigger & TRIG_CSEL_MASK) << TRIG_CSEL_SHIFT | + (gpio & TRIG_GPIO_MASK) << TRIG_GPIO_SHIFT | + TRIG_PER | + TRIG_PULSE; + + val = (trigger & TRIG_SEL_MASK) << TRIG_SEL_SHIFT; + + if (!on) { + val |= TRIG_DIS; + mutex_lock(&clock->extreg_lock); + ext_write(0, phydev, PAGE5, PTP_TRIG, ptp_trig); + ext_write(0, phydev, PAGE4, PTP_CTL, val); + mutex_unlock(&clock->extreg_lock); + return; + } + + sec = clkreq->perout.start.sec; + nsec = clkreq->perout.start.nsec; + period = clkreq->perout.period.sec * 1000000000UL; + period += clkreq->perout.period.nsec; + + mutex_lock(&clock->extreg_lock); + + ext_write(0, phydev, PAGE5, PTP_TRIG, ptp_trig); + + /*load trigger*/ + val |= TRIG_LOAD; + ext_write(0, phydev, PAGE4, PTP_CTL, val); + ext_write(0, phydev, PAGE4, PTP_TDR, nsec & 0xffff); /* ns[15:0] */ + ext_write(0, phydev, PAGE4, PTP_TDR, nsec >> 16); /* ns[31:16] */ + ext_write(0, phydev, PAGE4, PTP_TDR, sec & 0xffff); /* sec[15:0] */ + ext_write(0, phydev, PAGE4, PTP_TDR, sec >> 16); /* sec[31:16] */ + ext_write(0, phydev, PAGE4, PTP_TDR, period & 0xffff); /* ns[15:0] */ + ext_write(0, phydev, PAGE4, PTP_TDR, period >> 16); /* ns[31:16] */ + + /*enable trigger*/ + val &= ~TRIG_LOAD; + val |= TRIG_EN; + ext_write(0, phydev, PAGE4, PTP_CTL, val); + + mutex_unlock(&clock->extreg_lock); +} + /* ptp clock methods */ static int ptp_dp83640_adjfreq(struct ptp_clock_info *ptp, s32 ppb) @@ -339,19 +406,30 @@ static int ptp_dp83640_enable(struct ptp_clock_info *ptp, struct dp83640_clock *clock = container_of(ptp, struct dp83640_clock, caps); struct phy_device *phydev = clock->chosen->phydev; - u16 evnt; + int index; + u16 evnt, event_num, gpio_num; switch (rq->type) { case PTP_CLK_REQ_EXTTS: - if (rq->extts.index != 0) + index = rq->extts.index; + if (index < 0 || index >= N_EXT_TS) return -EINVAL; - evnt = EVNT_WR | (EXT_EVENT & EVNT_SEL_MASK) << EVNT_SEL_SHIFT; + event_num = EXT_EVENT + index; + evnt = EVNT_WR | (event_num & EVNT_SEL_MASK) << EVNT_SEL_SHIFT; if (on) { - evnt |= (EXT_GPIO & EVNT_GPIO_MASK) << EVNT_GPIO_SHIFT; + gpio_num = gpio_tab[EXTTS0_GPIO + index]; + evnt |= (gpio_num & EVNT_GPIO_MASK) << EVNT_GPIO_SHIFT; evnt |= EVNT_RISE; } ext_write(0, phydev, PAGE5, PTP_EVNT, evnt); return 0; + + case PTP_CLK_REQ_PEROUT: + if (rq->perout.index != 0) + return -EINVAL; + periodic_output(clock, rq, on); + return 0; + default: break; } @@ -442,9 +520,10 @@ static void recalibrate(struct dp83640_clock *clock) struct list_head *this; struct dp83640_private *tmp; struct phy_device *master = clock->chosen->phydev; - u16 cfg0, evnt, ptp_trig, trigger, val; + u16 cal_gpio, cfg0, evnt, ptp_trig, trigger, val; trigger = CAL_TRIGGER; + cal_gpio = gpio_tab[CALIBRATE_GPIO]; mutex_lock(&clock->extreg_lock); @@ -543,11 +622,17 @@ static void recalibrate(struct dp83640_clock *clock) /* time stamping methods */ +static inline u16 exts_chan_to_edata(int ch) +{ + return 1 << ((ch + EXT_EVENT) * 2); +} + static int decode_evnt(struct dp83640_private *dp83640, void *data, u16 ests) { struct phy_txts *phy_txts; struct ptp_clock_event event; + int i, parsed; int words = (ests >> EVNT_TS_LEN_SHIFT) & EVNT_TS_LEN_MASK; u16 ext_status = 0; @@ -569,14 +654,25 @@ static int decode_evnt(struct dp83640_private *dp83640, dp83640->edata.ns_lo = phy_txts->ns_lo; } + if (ext_status) { + parsed = words + 2; + } else { + parsed = words + 1; + i = ((ests >> EVNT_NUM_SHIFT) & EVNT_NUM_MASK) - EXT_EVENT; + ext_status = exts_chan_to_edata(i); + } + event.type = PTP_CLOCK_EXTTS; - event.index = 0; event.timestamp = phy2txts(&dp83640->edata); - ptp_clock_event(dp83640->clock->ptp_clock, &event); + for (i = 0; i < N_EXT_TS; i++) { + if (ext_status & exts_chan_to_edata(i)) { + event.index = i; + ptp_clock_event(dp83640->clock->ptp_clock, &event); + } + } - words = ext_status ? words + 2 : words + 1; - return words * sizeof(u16); + return parsed * sizeof(u16); } static void decode_rxts(struct dp83640_private *dp83640, @@ -590,7 +686,7 @@ static void decode_rxts(struct dp83640_private *dp83640, prune_rx_ts(dp83640); if (list_empty(&dp83640->rxpool)) { - pr_warning("dp83640: rx timestamp pool is empty\n"); + pr_debug("dp83640: rx timestamp pool is empty\n"); goto out; } rxts = list_first_entry(&dp83640->rxpool, struct rxts, list); @@ -613,7 +709,7 @@ static void decode_txts(struct dp83640_private *dp83640, skb = skb_dequeue(&dp83640->tx_queue); if (!skb) { - pr_warning("dp83640: have timestamp but tx_queue empty\n"); + pr_debug("dp83640: have timestamp but tx_queue empty\n"); return; } ns = phy2txts(phy_txts); @@ -665,6 +761,41 @@ static void decode_status_frame(struct dp83640_private *dp83640, } } +static int is_sync(struct sk_buff *skb, int type) +{ + u8 *data = skb->data, *msgtype; + unsigned int offset = 0; + + switch (type) { + case PTP_CLASS_V1_IPV4: + case PTP_CLASS_V2_IPV4: + offset = ETH_HLEN + IPV4_HLEN(data) + UDP_HLEN; + break; + case PTP_CLASS_V1_IPV6: + case PTP_CLASS_V2_IPV6: + offset = OFF_PTP6; + break; + case PTP_CLASS_V2_L2: + offset = ETH_HLEN; + break; + case PTP_CLASS_V2_VLAN: + offset = ETH_HLEN + VLAN_HLEN; + break; + default: + return 0; + } + + if (type & PTP_CLASS_V1) + offset += OFF_PTP_CONTROL; + + if (skb->len < offset + 1) + return 0; + + msgtype = data + offset; + + return (*msgtype & 0xf) == 0; +} + static int match(struct sk_buff *skb, unsigned int type, struct rxts *rxts) { u16 *seqid; @@ -741,7 +872,7 @@ static void dp83640_clock_init(struct dp83640_clock *clock, struct mii_bus *bus) clock->caps.max_adj = 1953124; clock->caps.n_alarm = 0; clock->caps.n_ext_ts = N_EXT_TS; - clock->caps.n_per_out = 0; + clock->caps.n_per_out = 1; clock->caps.pps = 0; clock->caps.adjfreq = ptp_dp83640_adjfreq; clock->caps.adjtime = ptp_dp83640_adjtime; @@ -876,6 +1007,7 @@ static void dp83640_remove(struct phy_device *phydev) struct dp83640_clock *clock; struct list_head *this, *next; struct dp83640_private *tmp, *dp83640 = phydev->priv; + struct sk_buff *skb; if (phydev->addr == BROADCAST_ADDR) return; @@ -883,6 +1015,12 @@ static void dp83640_remove(struct phy_device *phydev) enable_status_frames(phydev, false); cancel_work_sync(&dp83640->ts_work); + while ((skb = skb_dequeue(&dp83640->rx_queue)) != NULL) + kfree_skb(skb); + + while ((skb = skb_dequeue(&dp83640->tx_queue)) != NULL) + skb_complete_tx_timestamp(skb, NULL); + clock = dp83640_clock_get(dp83640->clock); if (dp83640 == clock->chosen) { @@ -914,16 +1052,10 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr) if (cfg.flags) /* reserved for future extensions */ return -EINVAL; - switch (cfg.tx_type) { - case HWTSTAMP_TX_OFF: - dp83640->hwts_tx_en = 0; - break; - case HWTSTAMP_TX_ON: - dp83640->hwts_tx_en = 1; - break; - default: + if (cfg.tx_type < 0 || cfg.tx_type > HWTSTAMP_TX_ONESTEP_SYNC) return -ERANGE; - } + + dp83640->hwts_tx_en = cfg.tx_type; switch (cfg.rx_filter) { case HWTSTAMP_FILTER_NONE: @@ -978,6 +1110,9 @@ static int dp83640_hwtstamp(struct phy_device *phydev, struct ifreq *ifr) if (dp83640->hwts_tx_en) txcfg0 |= TX_TS_EN; + if (dp83640->hwts_tx_en == HWTSTAMP_TX_ONESTEP_SYNC) + txcfg0 |= SYNC_1STEP | CHK_1STEP; + if (dp83640->hwts_rx_en) rxcfg0 |= RX_TS_EN; @@ -1060,12 +1195,24 @@ static void dp83640_txtstamp(struct phy_device *phydev, { struct dp83640_private *dp83640 = phydev->priv; - if (!dp83640->hwts_tx_en) { - kfree_skb(skb); - return; + switch (dp83640->hwts_tx_en) { + + case HWTSTAMP_TX_ONESTEP_SYNC: + if (is_sync(skb, type)) { + skb_complete_tx_timestamp(skb, NULL); + return; + } + /* fall through */ + case HWTSTAMP_TX_ON: + skb_queue_tail(&dp83640->tx_queue, skb); + schedule_work(&dp83640->ts_work); + break; + + case HWTSTAMP_TX_OFF: + default: + skb_complete_tx_timestamp(skb, NULL); + break; } - skb_queue_tail(&dp83640->tx_queue, skb); - schedule_work(&dp83640->ts_work); } static struct phy_driver dp83640_driver = { diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c index d4cbc2922b23..c81f136ae670 100644 --- a/drivers/net/phy/icplus.c +++ b/drivers/net/phy/icplus.c @@ -30,10 +30,17 @@ #include <asm/irq.h> #include <asm/uaccess.h> -MODULE_DESCRIPTION("ICPlus IP175C/IC1001 PHY drivers"); +MODULE_DESCRIPTION("ICPlus IP175C/IP101A/IC1001 PHY drivers"); MODULE_AUTHOR("Michael Barkowski"); MODULE_LICENSE("GPL"); +/* IP101A/IP1001 */ +#define IP10XX_SPEC_CTRL_STATUS 16 /* Spec. Control Register */ +#define IP1001_SPEC_CTRL_STATUS_2 20 /* IP1001 Spec. Control Reg 2 */ +#define IP1001_PHASE_SEL_MASK 3 /* IP1001 RX/TXPHASE_SEL */ +#define IP1001_APS_ON 11 /* IP1001 APS Mode bit */ +#define IP101A_APS_ON 2 /* IP101A APS Mode bit */ + static int ip175c_config_init(struct phy_device *phydev) { int err, i; @@ -42,36 +49,36 @@ static int ip175c_config_init(struct phy_device *phydev) if (full_reset_performed == 0) { /* master reset */ - err = phydev->bus->write(phydev->bus, 30, 0, 0x175c); + err = mdiobus_write(phydev->bus, 30, 0, 0x175c); if (err < 0) return err; /* ensure no bus delays overlap reset period */ - err = phydev->bus->read(phydev->bus, 30, 0); + err = mdiobus_read(phydev->bus, 30, 0); /* data sheet specifies reset period is 2 msec */ mdelay(2); /* enable IP175C mode */ - err = phydev->bus->write(phydev->bus, 29, 31, 0x175c); + err = mdiobus_write(phydev->bus, 29, 31, 0x175c); if (err < 0) return err; /* Set MII0 speed and duplex (in PHY mode) */ - err = phydev->bus->write(phydev->bus, 29, 22, 0x420); + err = mdiobus_write(phydev->bus, 29, 22, 0x420); if (err < 0) return err; /* reset switch ports */ for (i = 0; i < 5; i++) { - err = phydev->bus->write(phydev->bus, i, - MII_BMCR, BMCR_RESET); + err = mdiobus_write(phydev->bus, i, + MII_BMCR, BMCR_RESET); if (err < 0) return err; } for (i = 0; i < 5; i++) - err = phydev->bus->read(phydev->bus, i, MII_BMCR); + err = mdiobus_read(phydev->bus, i, MII_BMCR); mdelay(2); @@ -89,27 +96,61 @@ static int ip175c_config_init(struct phy_device *phydev) return 0; } -static int ip1001_config_init(struct phy_device *phydev) +static int ip1xx_reset(struct phy_device *phydev) { - int err, value; + int err, bmcr; /* Software Reset PHY */ - value = phy_read(phydev, MII_BMCR); - value |= BMCR_RESET; - err = phy_write(phydev, MII_BMCR, value); + bmcr = phy_read(phydev, MII_BMCR); + bmcr |= BMCR_RESET; + err = phy_write(phydev, MII_BMCR, bmcr); if (err < 0) return err; do { - value = phy_read(phydev, MII_BMCR); - } while (value & BMCR_RESET); + bmcr = phy_read(phydev, MII_BMCR); + } while (bmcr & BMCR_RESET); + + return err; +} + +static int ip1001_config_init(struct phy_device *phydev) +{ + int c; + + c = ip1xx_reset(phydev); + if (c < 0) + return c; + + /* Enable Auto Power Saving mode */ + c = phy_read(phydev, IP1001_SPEC_CTRL_STATUS_2); + c |= IP1001_APS_ON; + if (c < 0) + return c; + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII) { + /* Additional delay (2ns) used to adjust RX clock phase + * at RGMII interface */ + c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS); + c |= IP1001_PHASE_SEL_MASK; + c = phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c); + } + + return c; +} + +static int ip101a_config_init(struct phy_device *phydev) +{ + int c; - /* Additional delay (2ns) used to adjust RX clock phase - * at GMII/ RGMII interface */ - value = phy_read(phydev, 16); - value |= 0x3; + c = ip1xx_reset(phydev); + if (c < 0) + return c; - return phy_write(phydev, 16, value); + /* Enable Auto Power Saving mode */ + c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS); + c |= IP101A_APS_ON; + return c; } static int ip175c_read_status(struct phy_device *phydev) @@ -158,6 +199,20 @@ static struct phy_driver ip1001_driver = { .driver = { .owner = THIS_MODULE,}, }; +static struct phy_driver ip101a_driver = { + .phy_id = 0x02430c54, + .name = "ICPlus IP101A", + .phy_id_mask = 0x0ffffff0, + .features = PHY_BASIC_FEATURES | SUPPORTED_Pause | + SUPPORTED_Asym_Pause, + .config_init = &ip101a_config_init, + .config_aneg = &genphy_config_aneg, + .read_status = &genphy_read_status, + .suspend = genphy_suspend, + .resume = genphy_resume, + .driver = { .owner = THIS_MODULE,}, +}; + static int __init icplus_init(void) { int ret = 0; @@ -166,12 +221,17 @@ static int __init icplus_init(void) if (ret < 0) return -ENODEV; + ret = phy_driver_register(&ip101a_driver); + if (ret < 0) + return -ENODEV; + return phy_driver_register(&ip175c_driver); } static void __exit icplus_exit(void) { phy_driver_unregister(&ip1001_driver); + phy_driver_unregister(&ip101a_driver); phy_driver_unregister(&ip175c_driver); } diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c index 47c8339a0359..2843c90f712f 100644 --- a/drivers/net/phy/mdio-gpio.c +++ b/drivers/net/phy/mdio-gpio.c @@ -241,7 +241,7 @@ MODULE_DEVICE_TABLE(of, mdio_ofgpio_match); static struct platform_driver mdio_ofgpio_driver = { .driver = { - .name = "mdio-gpio", + .name = "mdio-ofgpio", .owner = THIS_MODULE, .of_match_table = mdio_ofgpio_match, }, diff --git a/drivers/net/phy/national.c b/drivers/net/phy/national.c index 0620ba963508..04bb8fcc0cb5 100644 --- a/drivers/net/phy/national.c +++ b/drivers/net/phy/national.c @@ -25,8 +25,9 @@ /* DP83865 phy identifier values */ #define DP83865_PHY_ID 0x20005c7a -#define DP83865_INT_MASK_REG 0x15 -#define DP83865_INT_MASK_STATUS 0x14 +#define DP83865_INT_STATUS 0x14 +#define DP83865_INT_MASK 0x15 +#define DP83865_INT_CLEAR 0x17 #define DP83865_INT_REMOTE_FAULT 0x0008 #define DP83865_INT_ANE_COMPLETED 0x0010 @@ -68,21 +69,25 @@ static int ns_config_intr(struct phy_device *phydev) int err; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) - err = phy_write(phydev, DP83865_INT_MASK_REG, + err = phy_write(phydev, DP83865_INT_MASK, DP83865_INT_MASK_DEFAULT); else - err = phy_write(phydev, DP83865_INT_MASK_REG, 0); + err = phy_write(phydev, DP83865_INT_MASK, 0); return err; } static int ns_ack_interrupt(struct phy_device *phydev) { - int ret = phy_read(phydev, DP83865_INT_MASK_STATUS); + int ret = phy_read(phydev, DP83865_INT_STATUS); if (ret < 0) return ret; - return 0; + /* Clear the interrupt status bit by writing a “1” + * to the corresponding bit in INT_CLEAR (2:0 are reserved) */ + ret = phy_write(phydev, DP83865_INT_CLEAR, ret & ~0x7); + + return ret; } static void ns_giga_speed_fallback(struct phy_device *phydev, int mode) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index ff109fe5af6b..83a5a5afec67 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -213,7 +213,7 @@ int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id) /* Grab the bits from PHYIR1, and put them * in the upper half */ - phy_reg = bus->read(bus, addr, MII_PHYSID1); + phy_reg = mdiobus_read(bus, addr, MII_PHYSID1); if (phy_reg < 0) return -EIO; @@ -221,7 +221,7 @@ int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id) *phy_id = (phy_reg & 0xffff) << 16; /* Grab the bits from PHYIR2, and put them in the lower half */ - phy_reg = bus->read(bus, addr, MII_PHYSID2); + phy_reg = mdiobus_read(bus, addr, MII_PHYSID2); if (phy_reg < 0) return -EIO; diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c index 5d8f6e17bd55..0ec8e09cc2ac 100644 --- a/drivers/net/phy/vitesse.c +++ b/drivers/net/phy/vitesse.c @@ -3,7 +3,7 @@ * * Author: Kriston Carson * - * Copyright (c) 2005 Freescale Semiconductor, Inc. + * Copyright (c) 2005, 2009 Freescale Semiconductor, Inc. * * 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 @@ -61,32 +61,42 @@ MODULE_DESCRIPTION("Vitesse PHY driver"); MODULE_AUTHOR("Kriston Carson"); MODULE_LICENSE("GPL"); -static int vsc824x_config_init(struct phy_device *phydev) +int vsc824x_add_skew(struct phy_device *phydev) { - int extcon; int err; - - err = phy_write(phydev, MII_VSC8244_AUX_CONSTAT, - MII_VSC8244_AUXCONSTAT_INIT); - if (err < 0) - return err; + int extcon; extcon = phy_read(phydev, MII_VSC8244_EXT_CON1); if (extcon < 0) - return err; + return extcon; extcon &= ~(MII_VSC8244_EXTCON1_TX_SKEW_MASK | MII_VSC8244_EXTCON1_RX_SKEW_MASK); - if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) - extcon |= (MII_VSC8244_EXTCON1_TX_SKEW | - MII_VSC8244_EXTCON1_RX_SKEW); + extcon |= (MII_VSC8244_EXTCON1_TX_SKEW | + MII_VSC8244_EXTCON1_RX_SKEW); err = phy_write(phydev, MII_VSC8244_EXT_CON1, extcon); return err; } +EXPORT_SYMBOL(vsc824x_add_skew); + +static int vsc824x_config_init(struct phy_device *phydev) +{ + int err; + + err = phy_write(phydev, MII_VSC8244_AUX_CONSTAT, + MII_VSC8244_AUXCONSTAT_INIT); + if (err < 0) + return err; + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) + err = vsc824x_add_skew(phydev); + + return err; +} static int vsc824x_ack_interrupt(struct phy_device *phydev) { |