linux-kernel - Re: [PATCH 7/7] openrisc: remove the redundant of_platform

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Message-ID: <57DFF6EC.2070806@southpole.se>
Date:   Mon, 19 Sep 2016 16:32:12 +0200
From:   Jonas Bonn <jonas@...thpole.se>
To:     Stafford Horne <shorne@...il.com>,
        Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org, Rob Herring <robh@...nel.org>
Subject: Re: [PATCH 7/7] openrisc: remove the redundant of_platform_populate

On 09/16/2016 04:43 PM, Stafford Horne wrote:
> From: Rob Herring <robh@...nel.org>
>
> The of_platform_populate call in the openrisc arch code is now redundant
> as the DT core provides a default call. Openrisc has a NULL match table
> which means only top level nodes with compatible strings will have
> devices creates. The default version will also descend nodes in the
> match table such as "simple-bus" which should be fine as openrisc
> doesn't have any of these (though it is preferred that memory-mapped
> peripherals be grouped under a bus node(s)).
>
> Signed-off-by: Rob Herring <robh@...nel.org>
> Cc: Jonas Bonn <jonas@...thpole.se>
> Signed-off-by: Stafford Horne <shorne@...il.com>

Yes, this is fine, but trivial/generic stuff like this doesn't really 
need to go via the OpenRISC repo, anyway.

/Jonas

> ---
>   arch/openrisc/kernel/setup.c | 10 ----------
>   1 file changed, 10 deletions(-)
>
> diff --git a/arch/openrisc/kernel/setup.c b/arch/openrisc/kernel/setup.c
> index b4ed8b3..d2f78cf 100644
> --- a/arch/openrisc/kernel/setup.c
> +++ b/arch/openrisc/kernel/setup.c
> @@ -38,7 +38,6 @@
>   #include <linux/of.h>
>   #include <linux/memblock.h>
>   #include <linux/device.h>
> -#include <linux/of_platform.h>
>   
>   #include <asm/sections.h>
>   #include <asm/segment.h>
> @@ -219,15 +218,6 @@ void __init or32_early_setup(void *fdt)
>   	early_init_devtree(fdt);
>   }
>   
> -static int __init openrisc_device_probe(void)
> -{
> -	of_platform_populate(NULL, NULL, NULL, NULL);
> -
> -	return 0;
> -}
> -
> -device_initcall(openrisc_device_probe);
> -
>   static inline unsigned long extract_value_bits(unsigned long reg,
>   					       short bit_nr, short width)
>   {