From mboxrd@z Thu Jan  1 00:00:00 1970
From: mark.rutland@arm.com (Mark Rutland)
Date: Mon, 15 May 2017 11:20:54 +0100
Subject: [patch 07/18] ACPI: Adjust system_state check
In-Reply-To: <20170514183613.002084749@linutronix.de>
References: <20170514182716.347236777@linutronix.de>
 <20170514183613.002084749@linutronix.de>
Message-ID: <20170515102053.GA17776@leverpostej>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Sun, May 14, 2017 at 08:27:23PM +0200, Thomas Gleixner wrote:
> To enable smp_processor_id() and might_sleep() debug checks earlier, it's
> required to add system states between SYSTEM_BOOTING and SYSTEM_RUNNING.
> 
> Make the decision wether a pci root is hotplugged depend on SYSTEM_RUNNING
> instead of !SYSTEM_BOOTING.
> 
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will.deacon@arm.com>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: linux-arm-kernel at lists.infradead.org
> ---
>  drivers/acpi/pci_root.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

This looks sane to me, but I assume this was meant to be Cc'd to the
ACPI folk rather than the arm64 folk?

Mark.

> --- a/drivers/acpi/pci_root.c
> +++ b/drivers/acpi/pci_root.c
> @@ -523,7 +523,7 @@ static int acpi_pci_root_add(struct acpi
>  	struct acpi_pci_root *root;
>  	acpi_handle handle = device->handle;
>  	int no_aspm = 0;
> -	bool hotadd = system_state != SYSTEM_BOOTING;
> +	bool hotadd = system_state == SYSTEM_RUNNING;
>  
>  	root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
>  	if (!root)
> 
>