openwrt/target/linux/generic/pending-4.14/735-net-phy-at803x-fix-at8033-sgmii-mode.patch
Stijn Segers 9ce7aa325e kernel: bump 4.14 to 4.14.60 for 18.06
* Refreshed patches.
* Patches made redundant by changes upstream:
  - target/linux/ramips/patches-4.14/0036-mtd-fix-cfi-cmdset-0002-erase-status-check.patch
* Patches accepted upstream:
  - target/linux/apm821xx/patches-4.14/020-0001-crypto-crypto4xx-remove-bad-list_del.patch
  - target/linux/apm821xx/patches-4.14/020-0011-crypto-crypto4xx-fix-crypto4xx_build_pdr-crypto4xx_b.patch
  - target/linux/brcm63xx/patches-4.14/001-4.15-08-bcm63xx_enet-correct-clock-usage.patch
  - target/linux/brcm63xx/patches-4.14/001-4.15-09-bcm63xx_enet-do-not-write-to-random-DMA-channel-on-B.patch
  - target/linux/generic/backport-4.14/080-net-convert-sock.sk_wmem_alloc-from-atomic_t-to-refc.patch
  - target/linux/generic/pending-4.14/900-gen_stats-fix-netlink-stats-padding.patch

The ext4 regression introduced in 4.14.55 has been fixed by 4.14.60 (commit f547aa20b4f61662ad3e1a2040bb3cc5778f19b0).

Fixes the following CVEs:
- CVE-2018-10876
- CVE-2018-10877
- CVE-2018-10879
- CVE-2018-10880
- CVE-2018-10881
- CVE-2018-10882
- CVE-2018-10883

Thanks to Stijn Tintel for the CVE list :-).

Compile-tested on: ramips/mt7621, x86/64
Run-tested on: ramips/mt7621, x86/64

Signed-off-by: Stijn Segers <foss@volatilesystems.org>
2018-08-06 07:30:41 +02:00

52 lines
1.5 KiB
Diff

From: Roman Yeryomin <roman@advem.lv>
Subject: kernel: add at803x fix for sgmii mode
Some (possibly broken) bootloaders incorreclty initialize at8033
phy. This patch enables sgmii autonegotiation mode.
[john@phrozen.org: felix added this to his upstream queue]
Signed-off-by: Roman Yeryomin <roman@advem.lv>
---
drivers/net/phy/at803x.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -46,6 +46,7 @@
#define AT803X_FUNC_DATA 0x4003
#define AT803X_REG_CHIP_CONFIG 0x1f
#define AT803X_BT_BX_REG_SEL 0x8000
+#define AT803X_SGMII_ANEG_EN 0x1000
#define AT803X_PCS_SMART_EEE_CTRL3 0x805D
#define AT803X_SMART_EEE_CTRL3_LPI_TX_DELAY_SEL_MASK 0x3
@@ -292,6 +293,27 @@ static int at803x_config_init(struct phy
{
struct at803x_platform_data *pdata;
int ret;
+ u32 v;
+
+ if (phydev->drv->phy_id == ATH8031_PHY_ID &&
+ phydev->interface == PHY_INTERFACE_MODE_SGMII)
+ {
+ v = phy_read(phydev, AT803X_REG_CHIP_CONFIG);
+ /* select SGMII/fiber page */
+ ret = phy_write(phydev, AT803X_REG_CHIP_CONFIG,
+ v & ~AT803X_BT_BX_REG_SEL);
+ if (ret)
+ return ret;
+ /* enable SGMII autonegotiation */
+ ret = phy_write(phydev, MII_BMCR, AT803X_SGMII_ANEG_EN);
+ if (ret)
+ return ret;
+ /* select copper page */
+ ret = phy_write(phydev, AT803X_REG_CHIP_CONFIG,
+ v | AT803X_BT_BX_REG_SEL);
+ if (ret)
+ return ret;
+ }
ret = genphy_config_init(phydev);
if (ret < 0)