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r8152: fix the poor throughput for 2.5G devices 

Fix the poor throughput for 2.5G devices, when changing the speed from
auto mode to force mode. This patch is used to notify the MAC when the
mode is changed.

Fixes: 195aae321c ("r8152: support new chips")
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hayes Wang 2023-04-28 16:53:30 +08:00 committed by David S. Miller
parent 8ceda6d5a1
commit 61b0ad6f58
1 changed files with 14 additions and 0 deletions
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14
drivers/net/usb/r8152.c
View File

@ -199,6 +199,7 @@
#define OCP_EEE_AR 0xa41a
#define OCP_EEE_DATA 0xa41c
#define OCP_PHY_STATUS 0xa420
#define OCP_INTR_EN 0xa424
#define OCP_NCTL_CFG 0xa42c
#define OCP_POWER_CFG 0xa430
#define OCP_EEE_CFG 0xa432
@ -620,6 +621,9 @@ enum spd_duplex {
#define PHY_STAT_LAN_ON 3
#define PHY_STAT_PWRDN 5
/* OCP_INTR_EN */
#define INTR_SPEED_FORCE BIT(3)
/* OCP_NCTL_CFG */
#define PGA_RETURN_EN BIT(1)
@ -7554,6 +7558,11 @@ static void r8156_hw_phy_cfg(struct r8152 *tp)
((swap_a & 0x1f) << 8) |
((swap_a >> 8) & 0x1f));
}
/* Notify the MAC when the speed is changed to force mode. */
data = ocp_reg_read(tp, OCP_INTR_EN);
data |= INTR_SPEED_FORCE;
ocp_reg_write(tp, OCP_INTR_EN, data);
break;
default:
break;
@ -7949,6 +7958,11 @@ static void r8156b_hw_phy_cfg(struct r8152 *tp)
break;
}
/* Notify the MAC when the speed is changed to force mode. */
data = ocp_reg_read(tp, OCP_INTR_EN);
data |= INTR_SPEED_FORCE;
ocp_reg_write(tp, OCP_INTR_EN, data);
if (rtl_phy_patch_request(tp, true, true))
return;