diff options
| author | Catalin Marinas <catalin.marinas@arm.com> | 2008-11-10 14:14:11 +0000 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2008-11-10 14:14:11 +0000 |
| commit | 8553cb67d2318db327071018fc81084cbabccc46 (patch) | |
| tree | f2db64a188cbf2cce745720bf3d279daa2768609 /arch/arm/kernel | |
| parent | 73b63efaac7352c9e2bf1570fac98fd44a99f8f9 (diff) | |
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>
Diffstat (limited to 'arch/arm/kernel')
0 files changed, 0 insertions, 0 deletions