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Flashrom only tries to use WP-based unlocking if it detects that WP operations are supported. However WP support was detected in a way that ignored WP operations provided by opaque masters. This stopped flashrom from automatically unlocking with some opaque masters, particularly linux_mtd. This commit also deletes part of a test that required the chip unlock function to be called before read/write/erase operations because WP unlocking is now used instead of chip unlocking. BUG=b:280111380 BRANCH=none TEST=Checked flashrom automatically unlocked flash on strongbad (MTD) Change-Id: I1774ad64d82ae47cd085df6045e17e283855c01f Signed-off-by: Nikolai Artemiev <nartemiev@google.com> Reviewed-on: https://review.coreboot.org/c/flashrom/+/74930 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Edward O'Callaghan <quasisec@chromium.org> Reviewed-by: Sergii Dmytruk <sergii.dmytruk@3mdeb.com>