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SubjectRe: [PATCH v2 02/15] powerpc/85xx: add sleep and deep sleep support
On Tue, Apr 23, 2013 at 06:53:20PM -0500, Scott Wood wrote:
> On 04/19/2013 05:47:35 AM, Zhao Chenhui wrote:
> > static int pmc_suspend_enter(suspend_state_t state)
> > {
> >- int ret;
> >+ int ret = 0;
> >+
> >+ switch (state) {
> >+#ifdef CONFIG_PPC_85xx
> >+ case PM_SUSPEND_MEM:
> >+#ifdef CONFIG_SPE
> >+ enable_kernel_spe();
> >+#endif
> >+ enable_kernel_fp();
>
> Why does enable_kernel_spe() need an ifdef but enable_kernel_fp()
> doesn't?
>

will enclose it with CONFIG_PPC_FPU.

> >+ case PM_SUSPEND_STANDBY:
> >+#ifdef CONFIG_FSL_SOC_BOOKE
> >+ flush_dcache_L1();
> >+#endif
> >+ setbits32(&pmc_regs->powmgtcsr, POWMGTCSR_SLP);
>
> Only L1, even on e500mc?
>
> -Scott

This patch is just for chips with pmc unit. They have no e500mc core.

-Chenhui



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