Commit 9781aa8a authored by Will Deacon's avatar Will Deacon
Browse files

ARM: l2x0: use -st dsb option for ordering writel_relaxed with unlock 



writel_relaxed and spin_unlock are both store operations, so we only
need to enforce store ordering in the dsb.

Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
parent 40a5c0b4

arch/arm/mm/cache-l2x0.c

+1 −1
Original line number Diff line number Diff line
@@ -290,7 +290,7 @@ static void l2x0_disable(void) 
	raw_spin_lock_irqsave(&l2x0_lock, flags);

	__l2x0_flush_all();

	writel_relaxed(0, l2x0_base + L2X0_CTRL);

	dsb();

	dsb(st);

	raw_spin_unlock_irqrestore(&l2x0_lock, flags);

}