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ddd0c53018
The CP15 diagnostic register holds ARM errata bits on Cortex-A9, so it needs to be saved/restored on suspend/resume. Otherwise, the effectiveness of errata workaround gets lost together with diagnostic register bit across suspend/resume cycle. And the CP15 power control register of Cortex-A9 shares the same problem. The patch adds a couple of Cortex-A9 specific suspend/resume functions to save/restore these two Cortex-A9 CP15 registers across the suspend/resume cycle. Signed-off-by: Shawn Guo <shawn.guo@freescale.com> Acked-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> |
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