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platform/chrome: Prevent build for big-endian systems

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Both ARM and ARM64 which are a dependency for CHROME_PLATFORMS have
seldomly used big-endian variants.

The ChromeOS EC framework and drivers are written under the assumption
that they will be running on a little-endian systems. Code which would
be broken on big-endian can be found trivially.

Some examples:
cros_ec.c: suspend_params.sleep_timeout_ms = ec_dev->suspend_timeout_ms
cros_ec_debugfs.c: resp->time_since_ec_boot_ms
cros_ec_wdt.c: arg.req.reboot_timeout_sec = wdd->timeout

Prevent the build for big-endian systems.

Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20260531-cros-big-endian-v1-2-0cc90f39c636@weissschuh.net
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
This commit is contained in:
Thomas Weißschuh 2026-05-31 15:20:16 +02:00 committed by Tzung-Bi Shih
parent 6b81cbaf36
commit 883f968dcb
1 changed files with 1 additions and 0 deletions
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drivers/platform/chrome/Kconfig
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@ -6,6 +6,7 @@
menuconfig CHROME_PLATFORMS
bool "Platform support for Chrome hardware"
depends on X86 || ARM || ARM64 || COMPILE_TEST
depends on !CPU_BIG_ENDIAN || COMPILE_TEST
help
Say Y here to get to see options for platform support for
various Chromebooks and Chromeboxes. This option alone does