From mboxrd@z Thu Jan  1 00:00:00 1970
From: Russell King - ARM Linux <linux@armlinux.org.uk>
Subject: Re: [PATCH 4/6] of/fdt: Populate phys_initrd_start/phys_initrd_size
 from FDT
Date: Tue, 30 Oct 2018 09:32:39 +0000
Message-ID: <20181030093239.GJ30658@n2100.armlinux.org.uk>
References: <20181029235206.30060-1-f.fainelli@gmail.com>
 <20181029235206.30060-5-f.fainelli@gmail.com>
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To: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-kernel@vger.kernel.org, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Rob Herring <robh+dt@kernel.org>, Frank Rowand <frowand.list@gmail.com>, Andrew Morton <akpm@linux-foundation.org>, Marc Zyngier <marc.zyngier@arm.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Andrey Konovalov <andreyknvl@google.com>, Masahiro Yamada <yamada.masahiro@socionext.com>, Robin Murphy <robin.murphy@arm.com>, Laura Abbott <labbott@redhat.com>, Stefan Agner <stefan@agner.ch>, Johannes Weiner <hannes@cmpxchg.org>, Greg Hackmann <ghackmann@android.com>, Kristina Martsenko <kristina.martsenko@arm.com>, CHANDAN VN <chandan.vn@samsung.com>, "moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" <linux-arm-kernel@lists.infradead.org>
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On Mon, Oct 29, 2018 at 04:52:04PM -0700, Florian Fainelli wrote:
> If the architecture implements ARCH_HAS_PHYS_INITRD, make the FDT
> scanning code populate the physical address of the start of the FDT and
> its size.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
>  arch/arm/mm/init.c | 2 +-
>  drivers/of/fdt.c   | 4 ++++
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
> index 8f364aa24172..517e95cfb5d2 100644
> --- a/arch/arm/mm/init.c
> +++ b/arch/arm/mm/init.c
> @@ -237,7 +237,7 @@ static void __init arm_initrd_init(void)
>  	phys_addr_t start;
>  	unsigned long size;
>  
> -	/* FDT scan will populate initrd_start */
> +	/* FDT scan will populate initrd_start and phys_initrd_start */
>  	if (initrd_start && !phys_initrd_size) {
>  		phys_initrd_start = __virt_to_phys(initrd_start);
>  		phys_initrd_size = initrd_end - initrd_start;

We should be able to delete the whole if () { } block and comment as
a result of this series - it was added by Rob in 65939301acdb to
unify the DT initrd code.

-- 
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