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Subject[PATCH net-next 02/14] r8152: add three functions
Date
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>
---
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 f042a85..2d5e761 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)
--
1.8.4.2


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