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Date:   Wed, 29 Nov 2017 21:54:36 +0100
From:   Alexander Sverdlin <alexander.sverdlin@...il.com>
To:     Lukasz Majewski <lukma@...x.de>, Arnd Bergmann <arnd@...db.de>,
        arndbergmann@...il.com,
        Hartley Sweeten <hsweeten@...ionengravers.com>
Cc:     Russell King <linux@...linux.org.uk>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Olof Johansson <olof@...om.net>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v2 3/6] ARM: ep93xx: ts72xx: Rewrite
 ts72xx_register_flash() to accept parameters

Hi!

On 21/11/17 15:32, Lukasz Majewski wrote:
> This commit extend the ts72xx_register_flash() to accept passed parameters,
> which makes it more reusable.
> 
> Now it is possible to accept ep93xx flash start address and partitions.
> 
> Signed-off-by: Lukasz Majewski <lukma@...x.de>

Acked-by: Alexander Sverdlin <alexander.sverdlin@...il.com>

> 
> ---
> Changes for v2:
> - New patch
> ---
>  arch/arm/mach-ep93xx/ts72xx.c | 20 ++++++++------------
>  1 file changed, 8 insertions(+), 12 deletions(-)
> 
> diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
> index 06345b85f27c..00e0e5b8babf 100644
> --- a/arch/arm/mach-ep93xx/ts72xx.c
> +++ b/arch/arm/mach-ep93xx/ts72xx.c
> @@ -120,8 +120,6 @@ static struct platform_nand_data ts72xx_nand_data = {
>  		.nr_chips	= 1,
>  		.chip_offset	= 0,
>  		.chip_delay	= 15,
> -		.partitions	= ts72xx_nand_parts,
> -		.nr_partitions	= ARRAY_SIZE(ts72xx_nand_parts),
>  	},
>  	.ctrl = {
>  		.cmd_ctrl	= ts72xx_nand_hwcontrol,
> @@ -145,8 +143,8 @@ static struct platform_device ts72xx_nand_flash = {
>  	.num_resources		= ARRAY_SIZE(ts72xx_nand_resource),
>  };
>  
> -
> -static void __init ts72xx_register_flash(void)
> +void __init ts72xx_register_flash(struct mtd_partition *parts, int n,
> +				  resource_size_t start)
>  {
>  	/*
>  	 * TS7200 has NOR flash all other TS72xx board have NAND flash.
> @@ -154,16 +152,12 @@ static void __init ts72xx_register_flash(void)
>  	if (board_is_ts7200()) {
>  		ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_16M);
>  	} else {
> -		resource_size_t start;
> -
> -		if (is_ts9420_installed())
> -			start = EP93XX_CS7_PHYS_BASE;
> -		else
> -			start = EP93XX_CS6_PHYS_BASE;
> -
>  		ts72xx_nand_resource[0].start = start;
>  		ts72xx_nand_resource[0].end = start + SZ_16M - 1;
>  
> +		ts72xx_nand_data.chip.partitions = parts;
> +		ts72xx_nand_data.chip.nr_partitions = n;
> +
>  		platform_device_register(&ts72xx_nand_flash);
>  	}
>  }
> @@ -223,7 +217,9 @@ static struct platform_device ts73xx_fpga_device = {
>  static void __init ts72xx_init_machine(void)
>  {
>  	ep93xx_init_devices();
> -	ts72xx_register_flash();
> +	ts72xx_register_flash(ts72xx_nand_parts, ARRAY_SIZE(ts72xx_nand_parts),
> +			      is_ts9420_installed() ?
> +			      EP93XX_CS7_PHYS_BASE : EP93XX_CS6_PHYS_BASE);
>  	platform_device_register(&ts72xx_rtc_device);
>  	platform_device_register(&ts72xx_wdt_device);
>  

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