From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/net/phy/dp83867.c | 24 ++++++++++++++++++++++--
1 files changed, 22 insertions(+), 2 deletions(-)
diff --git a/kernel/drivers/net/phy/dp83867.c b/kernel/drivers/net/phy/dp83867.c
index c8031e2..834bf63 100644
--- a/kernel/drivers/net/phy/dp83867.c
+++ b/kernel/drivers/net/phy/dp83867.c
@@ -41,6 +41,7 @@
#define DP83867_STRAP_STS1 0x006E
#define DP83867_STRAP_STS2 0x006f
#define DP83867_RGMIIDCTL 0x0086
+#define DP83867_DSP_FFE_CFG 0x012c
#define DP83867_RXFCFG 0x0134
#define DP83867_RXFPMD1 0x0136
#define DP83867_RXFPMD2 0x0137
@@ -801,14 +802,33 @@
{
int err;
+ err = phy_write(phydev, DP83867_CTRL, DP83867_SW_RESET);
+ if (err < 0)
+ return err;
+
+ usleep_range(10, 20);
+
+ err = phy_modify(phydev, MII_DP83867_PHYCTRL,
+ DP83867_PHYCR_FORCE_LINK_GOOD, 0);
+ if (err < 0)
+ return err;
+
+ /* Configure the DSP Feedforward Equalizer Configuration register to
+ * improve short cable (< 1 meter) performance. This will not affect
+ * long cable performance.
+ */
+ err = phy_write_mmd(phydev, DP83867_DEVADDR, DP83867_DSP_FFE_CFG,
+ 0x0e81);
+ if (err < 0)
+ return err;
+
err = phy_write(phydev, DP83867_CTRL, DP83867_SW_RESTART);
if (err < 0)
return err;
usleep_range(10, 20);
- return phy_modify(phydev, MII_DP83867_PHYCTRL,
- DP83867_PHYCR_FORCE_LINK_GOOD, 0);
+ return 0;
}
static void dp83867_link_change_notify(struct phy_device *phydev)
--
Gitblit v1.6.2