Public bug reported:
[ Impact ]
The noble/linux-raspi kernel fails to build from source (FTBFS).
Rebasing onto Ubuntu-6.8.0-136.136 pulled in a broken stable backport
whose defect is latent in the generic/master kernel — master does not
compile the Broadcom ASP2 driver — but becomes a fatal compile error in
linux-raspi, which enables it on arm64 (CONFIG_BCMASP: “Required for Pi
(not in master)”).
compiling drivers/net/ethernet/broadcom/asp2/bcmasp_intf.o:
bcmasp_intf.c:675:37: error: 'struct phy_device' has no member named 'eee_cfg'
bcmasp_intf.c:677:27: error: 'struct phy_device' has no member named
'enable_tx_lpi'
bcmasp_intf.c:1081:23: error: 'struct phy_device' has no member named 'eee_cfg'
bcmasp_intf.c:1364:41: error: 'struct phy_device' has no member named 'eee_cfg'
bcmasp_intf.c:1416:53: error: 'struct phy_device' has no member named 'eee_cfg'
Commit e57cfd7faf78 (“net: bcm: asp2: convert to phylib managed EEE”,
upstream 21f56ad1b211) was pulled in only as Stable-dep-of: cbfa5be2bf64
(“net: bcmasp: fix double free of WoL irq”). The conversion makes the
driver consume phylib managed-EEE fields (phydev->eee_cfg,
phydev->enable_tx_lpi) whose infrastructure (Russell King’s phylib
managed-EEE series, ~v6.12) was never backported to Noble 6.8 — the
managed-EEE consumer was dragged in without its infrastructure. The
commit is present in master tags (132.x → 136.136) but master CI stays
green because it does not build this driver.
[ Fix ]
Clean revert of the managed-EEE conversion. The three EEE commits sit
beneath a stack (asp-v3.0, the WoL fix, asp-v2.0 removal, probe/clk
fixes) that touches the same files, so a zero-hand-edit revert unwinds
10 commits newest-first down to the EEE base (d55c64e4ae98 ..
cec1550ce9b3), restoring self-managed EEE. ASP 2.2 support
(fa6cc48ea828) is outside the conflict path and is preserved.
# Revert commit Reverts in-tree Subject
1 d55c64e4ae98 bfc6bba5abff net: bcmasp: Fix network filter wake
for asp-3.0
2 fb1b8c9e8dd7 e307cd953e52 net: bcmasp: Restore programming of TX
map vector register
3 0c01abc7dcc9 c2ed77c1f649 net: bcmasp: fix double disable of clk
4 9fcea88c77d8 605c2d7260f5 net: bcmasp: Add support for asp-v3.0
5 fe845d76a9fa 14fa5d8ff619 net: bcmasp: fix double free of WoL irq
6 2bab11107ddf 3f28a3564218 net: bcmasp: streamline early exit in
probe
7 88d4b5fa1300 bcbbececeea4 net: bcmasp: Remove support for asp-v2.0
8 ff089f3a67cc e57cfd7faf78 * net: bcm: asp2: convert to phylib
managed EEE
9 26f4ed96942e 8d2cc390d968 * net: bcm: asp2: remove tx_lpi_enabled
10 cec1550ce9b3 d1943caf8cd3 * net: bcm: asp2: fix LPI timer handling
[ Test Plan ]
Kernel should compile properly after patch application. Build
noble/linux-raspi (arm64) with CONFIG_BCMASP=m
[ Other Info ]
Culprit commit: e57cfd7faf78 (bcmasp managed-EEE), in Ubuntu-6.8.0-136.136.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2159608
Title:
noble/linux-raspi FTBFS: bcmasp phylib managed-EEE backport missing
prerequisites
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