diff options
| author | hayeswang <hayeswang@realtek.com> | 2017-06-09 12:11:40 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-09 22:37:00 +0300 |
| commit | 134f98bcf1b898fb9d6f2b91bc85dd2e5478b4b8 (patch) | |
| tree | 4f92a55793301cc5b949733bbbd08db1c1db96b2 /drivers/net/usb/r8152.c | |
| parent | ee4761c16cbbca1f0a0b522a2926c5c5b8747c5c (diff) | |
| download | linux-134f98bcf1b898fb9d6f2b91bc85dd2e5478b4b8.tar.xz | |
r8152: adjust the settings about MAC clock speed down for RTL8153
The MAC clock speed down could be enabled if the U1/U2 is disabled.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
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 | 34 |
1 files changed, 29 insertions, 5 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index b8c904f8955e..9a794dbf94e9 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -2428,6 +2428,29 @@ static void __rtl_set_wol(struct r8152 *tp, u32 wolopts) device_set_wakeup_enable(&tp->udev->dev, false); } +static void r8153_mac_clk_spd(struct r8152 *tp, bool enable) +{ + /* MAC clock speed down */ + if (enable) { + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, + ALDPS_SPDWN_RATIO); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, + EEE_SPDWN_RATIO); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, + PKT_AVAIL_SPDWN_EN | SUSPEND_SPDWN_EN | + U1U2_SPDWN_EN | L1_SPDWN_EN); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, + PWRSAVE_SPDWN_EN | RXDV_SPDWN_EN | TX10MIDLE_EN | + TP100_SPDWN_EN | TP500_SPDWN_EN | EEE_SPDWN_EN | + TP1000_SPDWN_EN); + } else { + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, 0); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, 0); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, 0); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, 0); + } +} + static void r8153_u1u2en(struct r8152 *tp, bool enable) { u8 u1u2[8]; @@ -2533,7 +2556,9 @@ static void rtl8153_runtime_enable(struct r8152 *tp, bool enable) if (enable) { r8153_u1u2en(tp, false); r8153_u2p3en(tp, false); + r8153_mac_clk_spd(tp, true); } else { + r8153_mac_clk_spd(tp, false); r8153_u2p3en(tp, true); r8153_u1u2en(tp, true); } @@ -2881,6 +2906,7 @@ static void r8153_first_init(struct r8152 *tp) u32 ocp_data; int i; + r8153_mac_clk_spd(tp, false); rxdy_gated_en(tp, true); r8153_teredo_off(tp); @@ -2947,6 +2973,8 @@ static void r8153_enter_oob(struct r8152 *tp) u32 ocp_data; int i; + r8153_mac_clk_spd(tp, true); + ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); ocp_data &= ~NOW_IS_OOB; ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); @@ -3513,13 +3541,9 @@ static void r8153_init(struct r8152 *tp) r8153_power_cut_en(tp, false); r8153_u1u2en(tp, true); + r8153_mac_clk_spd(tp, false); usb_enable_lpm(tp->udev); - /* MAC clock speed down */ - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL, 0); - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, 0); - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, 0); - ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, 0); rtl_tally_reset(tp); r8153_u2p3en(tp, true); |