From: sanjay.rawat@linaro.org (Sanjay Singh Rawat)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 4/8] ARM: vexpress: use generic cpu idle function for wfi
Date: Tue, 11 Jun 2013 11:03:05 +0530 [thread overview]
Message-ID: <51B6B691.1040305@linaro.org> (raw)
In-Reply-To: <1370617870.4852.23.camel@hornet>
commit: 8553cb67d2318db327071018fc81084cbabccc46 explains that
-sanjay
On Friday 07 June 2013 08:41 PM, Pawel Moll wrote:
> On Mon, 2013-05-27 at 15:32 +0100, Sanjay Singh Rawat wrote:
>> use cpu_do_idle for entering the wfi mode.
>>
>> Signed-off-by: Sanjay Singh Rawat <sanjay.rawat@linaro.org>
>> ---
>> arch/arm/mach-vexpress/hotplug.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/mach-vexpress/hotplug.c b/arch/arm/mach-vexpress/hotplug.c
>> index f0ce6b8..b3dffc2 100644
>> --- a/arch/arm/mach-vexpress/hotplug.c
>> +++ b/arch/arm/mach-vexpress/hotplug.c
>> @@ -60,7 +60,8 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
>> * code will have already disabled interrupts
>> */
>> for (;;) {
>> - wfi();
>> + /* enter WFI mode */
>> + cpu_do_idle();
>>
>> if (pen_release == cpu_logical_map(cpu)) {
>> /*
>
> I probably don't get the whole picture, but may I ask what is the
> rationale behind this change? As in: why cpu_do_idle() is better?
>
> Pawe?
>
>
next prev parent reply other threads:[~2013-06-11 5:33 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-27 14:32 [PATCH 0/8] ARM: use cpu_do_idle for entering wfi mode Sanjay Singh Rawat
2013-05-27 14:32 ` [PATCH 1/8] ARM: EXYNOS: use generic cpu idle function for wfi Sanjay Singh Rawat
2013-06-04 15:25 ` Sanjay Singh Rawat
2013-05-27 14:32 ` [PATCH 2/8] ARM: RealView: " Sanjay Singh Rawat
2013-06-04 15:20 ` Sanjay Singh Rawat
2013-05-27 14:32 ` [PATCH 3/8] ARM: SPEAr: " Sanjay Singh Rawat
2013-05-28 9:55 ` Viresh Kumar
2013-05-27 14:32 ` [PATCH 4/8] ARM: vexpress: " Sanjay Singh Rawat
2013-06-04 15:23 ` Sanjay Singh Rawat
2013-06-07 9:17 ` Linus Walleij
2013-06-07 15:11 ` Pawel Moll
2013-06-11 5:33 ` Sanjay Singh Rawat [this message]
2013-06-11 10:07 ` Pawel Moll
2013-06-11 15:30 ` Nicolas Pitre
2013-06-12 5:34 ` Sanjay Singh Rawat
2013-05-27 14:32 ` [PATCH 5/8] ARM: zynq: " Sanjay Singh Rawat
2013-05-29 5:39 ` Michal Simek
2013-05-27 14:32 ` [PATCH 6/8] ARM: ux500: " Sanjay Singh Rawat
2013-05-30 7:26 ` Srinidhi Kasagar
2013-05-27 14:32 ` [PATCH 7/8] ARM: msm: " Sanjay Singh Rawat
2013-05-28 18:50 ` David Brown
2013-05-30 16:42 ` David Brown
2013-05-27 14:32 ` [PATCH 8/8] ARM: PRIMA2: " Sanjay Singh Rawat
2013-06-04 15:28 ` Sanjay Singh Rawat
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=51B6B691.1040305@linaro.org \
--to=sanjay.rawat@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).