diff options
Diffstat (limited to 'drivers/usb/eth/r8152.c')
| -rw-r--r-- | drivers/usb/eth/r8152.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/eth/r8152.c b/drivers/usb/eth/r8152.c index 1845d957f97..8cefacbd7ec 100644 --- a/drivers/usb/eth/r8152.c +++ b/drivers/usb/eth/r8152.c @@ -568,6 +568,17 @@ static void r8153_power_cut_en(struct r8152 *tp, bool enable) ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data); } +static void rtl_reset_bmu(struct r8152 *tp) +{ + u8 ocp_data; + + ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_BMU_RESET); + ocp_data &= ~(BMU_RESET_EP_IN | BMU_RESET_EP_OUT); + ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data); + ocp_data |= BMU_RESET_EP_IN | BMU_RESET_EP_OUT; + ocp_write_byte(tp, MCU_TYPE_USB, USB_BMU_RESET, ocp_data); +} + static int r8152_read_mac(struct r8152 *tp, unsigned char *macaddr) { int ret; @@ -786,6 +797,7 @@ static void r8153_first_init(struct r8152 *tp) r8153_hw_phy_cfg(tp); rtl8152_nic_reset(tp); + rtl_reset_bmu(tp); ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); ocp_data &= ~NOW_IS_OOB; @@ -832,6 +844,7 @@ static void r8153_enter_oob(struct r8152 *tp) ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data); rtl_disable(tp); + rtl_reset_bmu(tp); rtl8152_reinit_ll(tp); @@ -873,6 +886,7 @@ static void rtl8153_disable(struct r8152 *tp) { r8153_disable_aldps(tp); rtl_disable(tp); + rtl_reset_bmu(tp); } static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) |