From: Hayes Wang hayeswang@realtek.com
[ Upstream commit b75d612014447e04abdf0e37ffb8f2fd8b0b49d6 ]
The RX FIFO would be changed when suspending, so the related settings have to be modified, too. Otherwise, the flow control would work abnormally.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=216333 Reported-by: Mark Blakeney mark.blakeney@bullet-systems.net Fixes: cdf0b86b250f ("r8152: fix a WOL issue") Signed-off-by: Hayes Wang hayeswang@realtek.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/usb/r8152.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index d18627a8539a4..7e821bed91ce5 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -5904,6 +5904,11 @@ static void r8153_enter_oob(struct r8152 *tp) ocp_data &= ~NOW_IS_OOB; ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
+ /* RX FIFO settings for OOB */ + ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL0, RXFIFO_THR1_OOB); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL1, RXFIFO_THR2_OOB); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_CTRL2, RXFIFO_THR3_OOB); + rtl_disable(tp); rtl_reset_bmu(tp);
@@ -6542,6 +6547,11 @@ static void rtl8156_down(struct r8152 *tp) ocp_data &= ~NOW_IS_OOB; ocp_write_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL, ocp_data);
+ /* RX FIFO settings for OOB */ + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RXFIFO_FULL, 64 / 16); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_FULL, 1024 / 16); + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_EMPTY, 4096 / 16); + rtl_disable(tp); rtl_reset_bmu(tp);