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Subject[PATCH net v3 2/9] r8152: reset flow control patch when linking on for RTL8153B
Date
When linking ON, the patch of flow control has to be reset. This
makes sure the patch works normally.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
---
drivers/net/usb/r8152.c | 11 +++++++++++
1 file changed, 11 insertions(+)

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);
}

--
2.21.0
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