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Merge branch 'disable_unused_vfs_esp32' into integration

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This commit is contained in:
J. Nick Koston
2025-10-20 21:25:28 -10:00
parent b2fe8bb25d abcb2ce4e7
commit e3c3acebde
2 changed files with 54 additions and 5 deletions
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47
esphome/components/esp32/__init__.py
View File

@@ -552,6 +552,30 @@ CONF_ENABLE_LWIP_CHECK_THREAD_SAFETY = "enable_lwip_check_thread_safety"
CONF_DISABLE_LIBC_LOCKS_IN_IRAM = "disable_libc_locks_in_iram"
CONF_DISABLE_VFS_SUPPORT_TERMIOS = "disable_vfs_support_termios"
CONF_DISABLE_VFS_SUPPORT_SELECT = "disable_vfs_support_select"
CONF_DISABLE_VFS_SUPPORT_DIR = "disable_vfs_support_dir"
# VFS requirement tracking
# Components that need VFS features can call require_vfs_select() or require_vfs_dir()
KEY_VFS_SELECT_REQUIRED = "vfs_select_required"
KEY_VFS_DIR_REQUIRED = "vfs_dir_required"
def require_vfs_select() -> None:
"""Mark that VFS select support is required by a component.
Call this from components that use esp_vfs_eventfd or other VFS select features.
This prevents CONFIG_VFS_SUPPORT_SELECT from being disabled.
"""
CORE.data[KEY_VFS_SELECT_REQUIRED] = True
def require_vfs_dir() -> None:
"""Mark that VFS directory support is required by a component.
Call this from components that use directory functions (opendir, readdir, mkdir, etc.).
This prevents CONFIG_VFS_SUPPORT_DIR from being disabled.
"""
CORE.data[KEY_VFS_DIR_REQUIRED] = True
def _validate_idf_component(config: ConfigType) -> ConfigType:
@@ -623,6 +647,7 @@ FRAMEWORK_SCHEMA = cv.All(
cv.Optional(
CONF_DISABLE_VFS_SUPPORT_SELECT, default=True
): cv.boolean,
cv.Optional(CONF_DISABLE_VFS_SUPPORT_DIR, default=True): cv.boolean,
cv.Optional(CONF_EXECUTE_FROM_PSRAM): cv.boolean,
}
),
@@ -980,13 +1005,33 @@ async def to_code(config):
# Disable VFS support for select() with file descriptors
# ESPHome only uses select() with sockets via lwip_select(), which still works.
# VFS select is only needed for UART/eventfd file descriptors, which ESPHome doesn't use.
# VFS select is only needed for UART/eventfd file descriptors.
# Components that need it (e.g., openthread) call require_vfs_select().
# Saves approximately 2.7KB of flash when disabled (default).
if CORE.data.get(KEY_VFS_SELECT_REQUIRED, False):
# Component requires VFS select - force enable regardless of user setting
add_idf_sdkconfig_option("CONFIG_VFS_SUPPORT_SELECT", True)
else:
# No component needs it - allow user to control (default: disabled)
add_idf_sdkconfig_option(
"CONFIG_VFS_SUPPORT_SELECT",
not advanced.get(CONF_DISABLE_VFS_SUPPORT_SELECT, True),
)
# Disable VFS support for directory functions (opendir, readdir, mkdir, etc.)
# ESPHome doesn't use directory functions on ESP32.
# Components that need it (e.g., storage components) call require_vfs_dir().
# Saves approximately 0.5KB+ of flash when disabled (default).
if CORE.data.get(KEY_VFS_DIR_REQUIRED, False):
# Component requires VFS directory support - force enable regardless of user setting
add_idf_sdkconfig_option("CONFIG_VFS_SUPPORT_DIR", True)
else:
# No component needs it - allow user to control (default: disabled)
add_idf_sdkconfig_option(
"CONFIG_VFS_SUPPORT_DIR",
not advanced.get(CONF_DISABLE_VFS_SUPPORT_DIR, True),
)
cg.add_platformio_option("board_build.partitions", "partitions.csv")
if CONF_PARTITIONS in config:
add_extra_build_file(

4
esphome/components/openthread/__init__.py
View File

@@ -4,6 +4,7 @@ from esphome.components.esp32 import (
VARIANT_ESP32H2,
add_idf_sdkconfig_option,
only_on_variant,
require_vfs_select,
)
from esphome.components.mdns import MDNSComponent, enable_mdns_storage
import esphome.config_validation as cv
@@ -141,6 +142,9 @@ FINAL_VALIDATE_SCHEMA = _final_validate
async def to_code(config):
cg.add_define("USE_OPENTHREAD")
# OpenThread uses esp_vfs_eventfd which requires VFS select support
require_vfs_select()
# OpenThread SRP needs access to mDNS services after setup
enable_mdns_storage()