Re: [PATCH net-next v2 2/2] net: dsa: realtek: rtl8365mb: add EEE support

[Jakub Kicinski]

On Thu,  3 Sep 2026 11:22:11 +0200 Oleksij Rempel wrote:
> Add EEE support on the integrated-PHY ports, controllable per port via
> ethtool.

Looks like clang is doing more aggressive inlining here because build
fails with:

../drivers/net/dsa/realtek/rtl8365mb_main.c:894:9: error: call to '__compiletime_assert_1481' declared with 'error' attribute: FIELD_PREP: value too large for the field
  894 |         val |= FIELD_PREP(RTL8365MB_INDIRECT_ACCESS_ADDRESS_OCPADR_5_1_MASK,
      |                ^
../include/linux/bitfield.h:138:3: note: expanded from macro 'FIELD_PREP'
  138 |                 __FIELD_PREP(_mask, _val, "FIELD_PREP: ");              \
      |                 ^
../include/linux/bitfield.h:91:3: note: expanded from macro '__FIELD_PREP'
   91 |                 __BF_FIELD_CHECK_MASK(mask, val, pfx);                  \
      |                 ^
../include/linux/bitfield.h:70:3: note: expanded from macro '__BF_FIELD_CHECK_MASK'
   70 |                 BUILD_BUG_ON_MSG(__builtin_constant_p(_val) ?           \
      |                 ^
note: (skipping 2 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
./../include/linux/compiler_types.h:690:2: note: expanded from macro '_compiletime_assert'
  690 |         __compiletime_assert(condition, msg, prefix, suffix)
      |         ^
./../include/linux/compiler_types.h:683:4: note: expanded from macro '__compiletime_assert'
  683 |                         prefix ## suffix();                             \
      |                         ^
<scratch space>:18:1: note: expanded from here
   18 | __compiletime_assert_1481
      | ^

Looks legit at a glance. Maybe the addrs you're defining should be
relative to RTL8365MB_PHY_OCP_ADDR_PHYREG_BASE ?