From 00a5e360c54ada2fbd58bacbb1c1fd79d2fde80d Mon Sep 17 00:00:00 2001 From: hayeswang Date: Tue, 18 Feb 2014 21:48:59 +0800 Subject: [PATCH] r8152: add three functions Replace some codes with the following three functions. - rtl_drop_queued_tx - rxdy_gated_en - r8152_power_cut_en Signed-off-by: Hayes Wang Signed-off-by: David S. Miller --- drivers/net/usb/r8152.c | 99 +++++++++++++++++++++-------------------- 1 file changed, 51 insertions(+), 48 deletions(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index f042a85b84e9..2d5e76159ca7 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -1478,6 +1478,17 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags) return usb_submit_urb(agg->urb, mem_flags); } +static void rtl_drop_queued_tx(struct r8152 *tp) +{ + struct net_device_stats *stats = &tp->netdev->stats; + struct sk_buff *skb; + + while ((skb = skb_dequeue(&tp->tx_queue))) { + dev_kfree_skb(skb); + stats->tx_dropped++; + } +} + static void rtl8152_tx_timeout(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); @@ -1613,6 +1624,18 @@ static void rtl_set_eee_plus(struct r8152 *tp) } } +static void rxdy_gated_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); + if (enable) + ocp_data |= RXDY_GATED_EN; + else + ocp_data &= ~RXDY_GATED_EN; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); +} + static int rtl_enable(struct r8152 *tp) { u32 ocp_data; @@ -1624,9 +1647,7 @@ static int rtl_enable(struct r8152 *tp) ocp_data |= CR_RE | CR_TE; ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, ocp_data); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); - ocp_data &= ~RXDY_GATED_EN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); + rxdy_gated_en(tp, false); INIT_LIST_HEAD(&tp->rx_done); ret = 0; @@ -1681,8 +1702,6 @@ static int rtl8153_enable(struct r8152 *tp) static void rtl8152_disable(struct r8152 *tp) { - struct net_device_stats *stats = rtl8152_get_stats(tp->netdev); - struct sk_buff *skb; u32 ocp_data; int i; @@ -1690,17 +1709,12 @@ static void rtl8152_disable(struct r8152 *tp) ocp_data &= ~RCR_ACPT_ALL; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); - while ((skb = skb_dequeue(&tp->tx_queue))) { - dev_kfree_skb(skb); - stats->tx_dropped++; - } + rtl_drop_queued_tx(tp); for (i = 0; i < RTL8152_MAX_TX; i++) usb_kill_urb(tp->tx_info[i].urb); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); - ocp_data |= RXDY_GATED_EN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); + rxdy_gated_en(tp, true); for (i = 0; i < 1000; i++) { ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); @@ -1721,6 +1735,23 @@ static void rtl8152_disable(struct r8152 *tp) rtl8152_nic_reset(tp); } +static void r8152_power_cut_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); + if (enable) + ocp_data |= POWER_CUT; + else + ocp_data &= ~POWER_CUT; + ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); + ocp_data &= ~RESUME_INDICATE; + ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); + +} + static void rtl_clear_bp(struct r8152 *tp) { ocp_write_dword(tp, MCU_TYPE_PLA, PLA_BP_0, 0); @@ -1783,9 +1814,7 @@ static void r8152b_exit_oob(struct r8152 *tp) ocp_data &= ~RCR_ACPT_ALL; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); - ocp_data |= RXDY_GATED_EN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); + rxdy_gated_en(tp, true); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00); @@ -1909,9 +1938,7 @@ static void r8152b_enter_oob(struct r8152 *tp) ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5, LAN_WAKE_EN); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); - ocp_data &= ~RXDY_GATED_EN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); + rxdy_gated_en(tp, false); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data |= RCR_APM | RCR_AM | RCR_AB; @@ -2007,10 +2034,7 @@ static void r8153_first_init(struct r8152 *tp) u32 ocp_data; int i; - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); - ocp_data |= RXDY_GATED_EN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); - + rxdy_gated_en(tp, true); r8153_teredo_off(tp); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); @@ -2125,9 +2149,7 @@ static void r8153_enter_oob(struct r8152 *tp) ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG5, LAN_WAKE_EN); - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MISC_1); - ocp_data &= ~RXDY_GATED_EN; - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MISC_1, ocp_data); + rxdy_gated_en(tp, false); ocp_data = ocp_read_dword(tp, MCU_TYPE_PLA, PLA_RCR); ocp_data |= RCR_APM | RCR_AM | RCR_AB; @@ -2231,12 +2253,7 @@ out: static void rtl8152_down(struct r8152 *tp) { - u32 ocp_data; - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); - ocp_data &= ~POWER_CUT; - ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); - + r8152_power_cut_en(tp, false); r8152b_disable_aldps(tp); r8152b_enter_oob(tp); r8152b_enable_aldps(tp); @@ -2399,13 +2416,8 @@ static void r8152b_init(struct r8152 *tp) r8152b_hw_phy_cfg(tp); - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); - ocp_data &= ~POWER_CUT; - ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); + r8152_power_cut_en(tp, false); - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); - ocp_data &= ~RESUME_INDICATE; - ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); r8152b_exit_oob(tp); @@ -2659,17 +2671,8 @@ static void r8152b_get_version(struct r8152 *tp) static void rtl8152_unload(struct r8152 *tp) { - u32 ocp_data; - - if (tp->version != RTL_VER_01) { - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPS_CTRL); - ocp_data |= POWER_CUT; - ocp_write_word(tp, MCU_TYPE_USB, USB_UPS_CTRL, ocp_data); - } - - ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS); - ocp_data &= ~RESUME_INDICATE; - ocp_write_word(tp, MCU_TYPE_USB, USB_PM_CTRL_STATUS, ocp_data); + if (tp->version != RTL_VER_01) + r8152_power_cut_en(tp, true); } static void rtl8153_unload(struct r8152 *tp)