| From | Hayes Wang <> | Subject | [PATCH net v3 2/9] r8152: reset flow control patch when linking on for RTL8153B | Date | Wed, 22 Jan 2020 16:02:06 +0800 |
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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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