mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Ingo Molnar <mingo@kernel.org>
To: Florian Fainelli <ffainelli@freebox.fr>
Cc: tglx@linutronix.de, mingo@redhat.com, x86@kernel.org,
	rui.zhang@intel.com, alan@linux.intel.com,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] x86: ce4100: force reboot method to be KBD
Date: Fri, 26 Oct 2012 11:32:11 +0200	[thread overview]
Message-ID: <20121026093211.GB1106@gmail.com> (raw)
In-Reply-To: <1351242325-23724-3-git-send-email-ffainelli@freebox.fr>


* Florian Fainelli <ffainelli@freebox.fr> wrote:

> From: Maxime Bizon <mbizon@freebox.fr>
> 
> The default reboot is via ACPI for this platform, and the CEFDK bootloader
> actually supports this, but will issue a system power off instead of a real
> reboot. Setting the reboot method to be KBD instead of ACPI ensures proper
> system reboot.
> 
> Signed-off-by: Florian Fainelli <ffainelli@freebox.fr>
> ---
>  arch/x86/platform/ce4100/ce4100.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c
> index 74f8774..8c9ed9a 100644
> --- a/arch/x86/platform/ce4100/ce4100.c
> +++ b/arch/x86/platform/ce4100/ce4100.c
> @@ -21,6 +21,7 @@
>  #include <asm/i8259.h>
>  #include <asm/io.h>
>  #include <asm/io_apic.h>
> +#include <asm/emergency-restart.h>
>  
>  static int ce4100_i8042_detect(void)
>  {
> @@ -144,6 +145,8 @@ void __init x86_ce4100_early_setup(void)
>  	x86_init.mpparse.find_smp_config = x86_init_noop;
>  	x86_init.pci.init = ce4100_pci_init;
>  
> +	reboot_type = BOOT_KBD;

Here too put a minimal comment into the code:

	/*
	 * The system default is ACPI reboot, but that powers 
	 * off on CE4100 so the use KBD reset instead:
	 */
	reboot_type = BOOT_KBD;

Thanks,

	Ingo

  reply	other threads:[~2012-10-26  9:32 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-26  9:05 [PATCH 0/3] x86: ce4100 fixes and improvements Florian Fainelli
2012-10-26  9:05 ` [PATCH 1/3] x86: ce4100: implement pm_poweroff Florian Fainelli
2012-10-26  9:30   ` Ingo Molnar
2012-10-26  9:05 ` [PATCH 2/3] x86: ce4100: force reboot method to be KBD Florian Fainelli
2012-10-26  9:32   ` Ingo Molnar [this message]
2012-10-26  9:05 ` [PATCH 3/3] x86: ce4100: fixup PCI configuration register access for devices without interrupts Florian Fainelli
2012-10-26 11:30 ` [PATCH 0/3 v2] x86: ce4100 fixes and improvements Florian Fainelli
2012-10-26 11:30   ` [PATCH 1/3 v2] x86: ce4100: implement pm_poweroff Florian Fainelli
2012-10-26 11:30   ` [PATCH 2/3 v2] x86: ce4100: force reboot method to be KBD Florian Fainelli
2012-10-26 14:58     ` Ingo Molnar
2012-10-26 11:30   ` [PATCH 3/3] x86: ce4100: fixup PCI configuration register access for devices without interrupts Florian Fainelli
2012-10-29 13:40   ` [PATCH 0/3 v3] x86: ce4100 fixes and improvements Florian Fainelli
2012-10-29 13:40     ` [PATCH 1/3 v3] x86: ce4100: implement pm_poweroff Florian Fainelli
2012-10-30 12:25       ` [tip:x86/urgent] x86/ce4100: Fix pm_poweroff tip-bot for Florian Fainelli
2012-10-29 13:40     ` [PATCH 2/3 v3] x86: ce4100: force reboot method to be KBD Florian Fainelli
2012-10-30 12:26       ` [tip:x86/urgent] x86/ce4100: Fix reboot by forcing the " tip-bot for Maxime Bizon
2012-10-29 13:40     ` [PATCH 3/3 v3] x86: ce4100: fixup PCI configuration register access for devices without interrupts Florian Fainelli
2012-10-30 12:27       ` [tip:x86/urgent] x86/ce4100: Fix " tip-bot for Maxime Bizon
  -- strict thread matches above, loose matches on Subject: below --
2012-10-19 11:51 [PATCH 0/3] x86: ce4100: various fixes Florian Fainelli
2012-10-19 11:51 ` [PATCH 2/3] x86: ce4100: force reboot method to be KBD Florian Fainelli

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=20121026093211.GB1106@gmail.com \
    --to=mingo@kernel.org \
    --cc=alan@linux.intel.com \
    --cc=ffainelli@freebox.fr \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@redhat.com \
    --cc=rui.zhang@intel.com \
    --cc=tglx@linutronix.de \
    --cc=x86@kernel.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

Powered by JetHome