diff options
author | David S. Miller <davem@davemloft.net> | 2015-08-01 09:52:20 +0300 |
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committer | David S. Miller <davem@davemloft.net> | 2015-08-01 09:52:20 +0300 |
commit | 5510b3c2a173921374ec847848fb20b98e1c698a (patch) | |
tree | c9e185281ef17280ce0dc30be7923124874736b0 /drivers/net/usb/r8152.c | |
parent | 17f901e8915cb922c2ca710835ef34f166f53ee9 (diff) | |
parent | 7c764cec3703583247c4ab837c652975a3d41f4b (diff) | |
download | linux-5510b3c2a173921374ec847848fb20b98e1c698a.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
arch/s390/net/bpf_jit_comp.c
drivers/net/ethernet/ti/netcp_ethss.c
net/bridge/br_multicast.c
net/ipv4/ip_fragment.c
All four conflicts were cases of simple overlapping
changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/r8152.c')
-rw-r--r-- | drivers/net/usb/r8152.c | 189 |
1 files changed, 137 insertions, 52 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 348652a190af..fe4ec324aebc 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -27,7 +27,7 @@ #include <linux/usb/cdc.h> /* Version Information */ -#define DRIVER_VERSION "v1.08.0 (2015/01/13)" +#define DRIVER_VERSION "v1.08.1 (2015/07/28)" #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>" #define DRIVER_DESC "Realtek RTL8152/RTL8153 Based USB Ethernet Adapters" #define MODULENAME "r8152" @@ -1904,11 +1904,10 @@ static void rtl_drop_queued_tx(struct r8152 *tp) static void rtl8152_tx_timeout(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); - int i; netif_warn(tp, tx_err, netdev, "Tx timeout\n"); - for (i = 0; i < RTL8152_MAX_TX; i++) - usb_unlink_urb(tp->tx_info[i].urb); + + usb_queue_reset_device(tp->intf); } static void rtl8152_set_rx_mode(struct net_device *netdev) @@ -2077,7 +2076,6 @@ static int rtl_start_rx(struct r8152 *tp) { int i, ret = 0; - napi_disable(&tp->napi); INIT_LIST_HEAD(&tp->rx_done); for (i = 0; i < RTL8152_MAX_RX; i++) { INIT_LIST_HEAD(&tp->rx_info[i].list); @@ -2085,7 +2083,6 @@ static int rtl_start_rx(struct r8152 *tp) if (ret) break; } - napi_enable(&tp->napi); if (ret && ++i < RTL8152_MAX_RX) { struct list_head rx_queue; @@ -2168,6 +2165,7 @@ static int rtl8153_enable(struct r8152 *tp) if (test_bit(RTL8152_UNPLUG, &tp->flags)) return -ENODEV; + usb_disable_lpm(tp->udev); set_tx_qlen(tp); rtl_set_eee_plus(tp); r8153_set_rx_early_timeout(tp); @@ -2339,11 +2337,61 @@ static void __rtl_set_wol(struct r8152 *tp, u32 wolopts) device_set_wakeup_enable(&tp->udev->dev, false); } +static void r8153_u1u2en(struct r8152 *tp, bool enable) +{ + u8 u1u2[8]; + + if (enable) + memset(u1u2, 0xff, sizeof(u1u2)); + else + memset(u1u2, 0x00, sizeof(u1u2)); + + usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2); +} + +static void r8153_u2p3en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL); + if (enable && tp->version != RTL_VER_03 && tp->version != RTL_VER_04) + ocp_data |= U2P3_ENABLE; + else + ocp_data &= ~U2P3_ENABLE; + ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data); +} + +static void r8153_power_cut_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT); + if (enable) + ocp_data |= PWR_EN | PHASE2_EN; + else + ocp_data &= ~(PWR_EN | PHASE2_EN); + ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0); + ocp_data &= ~PCUT_STATUS; + ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); +} + +static bool rtl_can_wakeup(struct r8152 *tp) +{ + struct usb_device *udev = tp->udev; + + return (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP); +} + static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable) { if (enable) { u32 ocp_data; + r8153_u1u2en(tp, false); + r8153_u2p3en(tp, false); + __rtl_set_wol(tp, WAKE_ANY); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_CONFIG); @@ -2355,6 +2403,8 @@ static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable) ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); } else { __rtl_set_wol(tp, tp->saved_wolopts); + r8153_u2p3en(tp, true); + r8153_u1u2en(tp, true); } } @@ -2604,46 +2654,6 @@ static void r8153_hw_phy_cfg(struct r8152 *tp) set_bit(PHY_RESET, &tp->flags); } -static void r8153_u1u2en(struct r8152 *tp, bool enable) -{ - u8 u1u2[8]; - - if (enable) - memset(u1u2, 0xff, sizeof(u1u2)); - else - memset(u1u2, 0x00, sizeof(u1u2)); - - usb_ocp_write(tp, USB_TOLERANCE, BYTE_EN_SIX_BYTES, sizeof(u1u2), u1u2); -} - -static void r8153_u2p3en(struct r8152 *tp, bool enable) -{ - u32 ocp_data; - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL); - if (enable) - ocp_data |= U2P3_ENABLE; - else - ocp_data &= ~U2P3_ENABLE; - ocp_write_word(tp, MCU_TYPE_USB, USB_U2P3_CTRL, ocp_data); -} - -static void r8153_power_cut_en(struct r8152 *tp, bool enable) -{ - u32 ocp_data; - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_POWER_CUT); - if (enable) - ocp_data |= PWR_EN | PHASE2_EN; - else - ocp_data &= ~(PWR_EN | PHASE2_EN); - ocp_write_word(tp, MCU_TYPE_USB, USB_POWER_CUT, ocp_data); - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_MISC_0); - ocp_data &= ~PCUT_STATUS; - ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); -} - static void r8153_first_init(struct r8152 *tp) { u32 ocp_data; @@ -2786,6 +2796,7 @@ static void rtl8153_disable(struct r8152 *tp) r8153_disable_aldps(tp); rtl_disable(tp); r8153_enable_aldps(tp); + usb_enable_lpm(tp->udev); } static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) @@ -2906,9 +2917,13 @@ static void rtl8153_up(struct r8152 *tp) if (test_bit(RTL8152_UNPLUG, &tp->flags)) return; + r8153_u1u2en(tp, false); r8153_disable_aldps(tp); r8153_first_init(tp); r8153_enable_aldps(tp); + r8153_u2p3en(tp, true); + r8153_u1u2en(tp, true); + usb_enable_lpm(tp->udev); } static void rtl8153_down(struct r8152 *tp) @@ -2919,6 +2934,7 @@ static void rtl8153_down(struct r8152 *tp) } r8153_u1u2en(tp, false); + r8153_u2p3en(tp, false); r8153_power_cut_en(tp, false); r8153_disable_aldps(tp); r8153_enter_oob(tp); @@ -2937,8 +2953,10 @@ static void set_carrier(struct r8152 *tp) if (!netif_carrier_ok(netdev)) { tp->rtl_ops.enable(tp); set_bit(RTL8152_SET_RX_MODE, &tp->flags); + napi_disable(&tp->napi); netif_carrier_on(netdev); rtl_start_rx(tp); + napi_enable(&tp->napi); } } else { if (netif_carrier_ok(netdev)) { @@ -3257,6 +3275,7 @@ static void r8153_init(struct r8152 *tp) msleep(20); } + usb_disable_lpm(tp->udev); r8153_u2p3en(tp, false); if (tp->version == RTL_VER_04) { @@ -3331,6 +3350,59 @@ static void r8153_init(struct r8152 *tp) r8153_enable_aldps(tp); r8152b_enable_fc(tp); rtl_tally_reset(tp); + r8153_u2p3en(tp, true); +} + +static int rtl8152_pre_reset(struct usb_interface *intf) +{ + struct r8152 *tp = usb_get_intfdata(intf); + struct net_device *netdev; + + if (!tp) + return 0; + + netdev = tp->netdev; + if (!netif_running(netdev)) + return 0; + + napi_disable(&tp->napi); + clear_bit(WORK_ENABLE, &tp->flags); + usb_kill_urb(tp->intr_urb); + cancel_delayed_work_sync(&tp->schedule); + if (netif_carrier_ok(netdev)) { + netif_stop_queue(netdev); + mutex_lock(&tp->control); + tp->rtl_ops.disable(tp); + mutex_unlock(&tp->control); + } + + return 0; +} + +static int rtl8152_post_reset(struct usb_interface *intf) +{ + struct r8152 *tp = usb_get_intfdata(intf); + struct net_device *netdev; + + if (!tp) + return 0; + + netdev = tp->netdev; + if (!netif_running(netdev)) + return 0; + + set_bit(WORK_ENABLE, &tp->flags); + if (netif_carrier_ok(netdev)) { + mutex_lock(&tp->control); + tp->rtl_ops.enable(tp); + rtl8152_set_rx_mode(netdev); + mutex_unlock(&tp->control); + netif_wake_queue(netdev); + } + + napi_enable(&tp->napi); + + return 0; } static int rtl8152_suspend(struct usb_interface *intf, pm_message_t message) @@ -3386,9 +3458,11 @@ static int rtl8152_resume(struct usb_interface *intf) if (test_bit(SELECTIVE_SUSPEND, &tp->flags)) { rtl_runtime_suspend_enable(tp, false); clear_bit(SELECTIVE_SUSPEND, &tp->flags); + napi_disable(&tp->napi); set_bit(WORK_ENABLE, &tp->flags); if (netif_carrier_ok(tp->netdev)) rtl_start_rx(tp); + napi_enable(&tp->napi); } else { tp->rtl_ops.up(tp); rtl8152_set_speed(tp, AUTONEG_ENABLE, @@ -3415,12 +3489,15 @@ static void rtl8152_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) if (usb_autopm_get_interface(tp->intf) < 0) return; - mutex_lock(&tp->control); - - wol->supported = WAKE_ANY; - wol->wolopts = __rtl_get_wol(tp); - - mutex_unlock(&tp->control); + if (!rtl_can_wakeup(tp)) { + wol->supported = 0; + wol->wolopts = 0; + } else { + mutex_lock(&tp->control); + wol->supported = WAKE_ANY; + wol->wolopts = __rtl_get_wol(tp); + mutex_unlock(&tp->control); + } usb_autopm_put_interface(tp->intf); } @@ -3430,6 +3507,9 @@ static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) struct r8152 *tp = netdev_priv(dev); int ret; + if (!rtl_can_wakeup(tp)) + return -EOPNOTSUPP; + ret = usb_autopm_get_interface(tp->intf); if (ret < 0) goto out_set_wol; @@ -4076,6 +4156,9 @@ static int rtl8152_probe(struct usb_interface *intf, goto out1; } + if (!rtl_can_wakeup(tp)) + __rtl_set_wol(tp, 0); + tp->saved_wolopts = __rtl_get_wol(tp); if (tp->saved_wolopts) device_set_wakeup_enable(&udev->dev, true); @@ -4149,6 +4232,8 @@ static struct usb_driver rtl8152_driver = { .suspend = rtl8152_suspend, .resume = rtl8152_resume, .reset_resume = rtl8152_resume, + .pre_reset = rtl8152_pre_reset, + .post_reset = rtl8152_post_reset, .supports_autosuspend = 1, .disable_hub_initiated_lpm = 1, }; |