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authorHayes Wang <hayeswang@realtek.com>2022-08-18 16:06:20 +0800
committerDavid S. Miller <davem@davemloft.net>2022-08-22 14:28:59 +0100
commitb75d612014447e04abdf0e37ffb8f2fd8b0b49d6 (patch)
treef1e05c28a296f3a9af462243e51998b4e0b81fb7 /drivers/net
parent6dc4df12d741c0fe8f885778a43039e0619b9cd9 (diff)
r8152: fix the RX FIFO settings when suspending
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>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/usb/r8152.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 46c7954d2762..d142ac8fcf6e 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -5906,6 +5906,11 @@ 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);
@@ -6544,6 +6549,11 @@ 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);