Catalin Marinas 8553cb67d2 Modern processors may need to drain the WB before WFI ...

Since WFI may cause the processor to enter a low-power mode, data may
still be in the write buffer. This patch adds a DSB (or DWB) to the
cpu_(v6|v7)_do_idle functions before the WFI.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

2008-11-10 14:14:11 +00:00

5.6 KiB

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