linux-kernel - Re: [PATCH v2 02/15] powerpc/85xx: add sleep and deep sleep support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 23 Apr 2013 18:53:20 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	Zhao Chenhui <chenhui.zhao@...escale.com>
CC:	<linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 02/15] powerpc/85xx: add sleep and deep sleep support

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?

> +	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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/