From f99cd20eda12b1920ffc284a736437c016b3a5a2 Mon Sep 17 00:00:00 2001 From: Hayes Wang Date: Wed, 22 Jan 2020 16:02:06 +0800 Subject: r8152: reset flow control patch when linking on for RTL8153B When linking ON, the patch of flow control has to be reset. This makes sure the patch works normally. Signed-off-by: Hayes Wang Signed-off-by: David S. Miller --- drivers/net/usb/r8152.c | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'drivers/net/usb') diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 115559707683..504db2348a3e 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -2865,6 +2865,17 @@ static int rtl8153_enable(struct r8152 *tp) r8153_set_rx_early_timeout(tp); r8153_set_rx_early_size(tp); + if (tp->version == RTL_VER_09) { + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_TASK); + ocp_data &= ~FC_PATCH_TASK; + ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data); + usleep_range(1000, 2000); + ocp_data |= FC_PATCH_TASK; + ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data); + } + return rtl_enable(tp); } -- cgit v1.2.3