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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 <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2014-02-18 21:48:59 +08:00 committed by David S. Miller
parent 4349968ad2
commit 00a5e360c5
1 changed files with 51 additions and 48 deletions
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99
drivers/net/usb/r8152.c
View File

@ -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)