[PATCH 5.15 039/136] r8152: fix the units of some registers for RTL8156A

From: Greg Kroah-Hartman
Date: Mon Aug 29 2022 - 07:09:06 EST


From: Hayes Wang <hayeswang@xxxxxxxxxxx>

[ Upstream commit 6dc4df12d741c0fe8f885778a43039e0619b9cd9 ]

The units of PLA_RX_FIFO_FULL and PLA_RX_FIFO_EMPTY are 16 bytes.

Fixes: 195aae321c82 ("r8152: support new chips")
Signed-off-by: Hayes Wang <hayeswang@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/usb/r8152.c | 17 ++---------------
1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 0d1d92ef79099..d18627a8539a4 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -6429,21 +6429,8 @@ static void r8156_fc_parameter(struct r8152 *tp)
u32 pause_on = tp->fc_pause_on ? tp->fc_pause_on : fc_pause_on_auto(tp);
u32 pause_off = tp->fc_pause_off ? tp->fc_pause_off : fc_pause_off_auto(tp);

- switch (tp->version) {
- case RTL_VER_10:
- case RTL_VER_11:
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_FULL, pause_on / 8);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_EMPTY, pause_off / 8);
- break;
- case RTL_VER_12:
- case RTL_VER_13:
- case RTL_VER_15:
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_FULL, pause_on / 16);
- ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_EMPTY, pause_off / 16);
- break;
- default:
- break;
- }
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_FULL, pause_on / 16);
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_RX_FIFO_EMPTY, pause_off / 16);
}

static void rtl8156_change_mtu(struct r8152 *tp)
--
2.35.1