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Subject: Re: [PATCH v4 07/15] mtd: nand: move Samsung specific init/detection
 logic in nand_samsung.c
To: Boris Brezillon <boris.brezillon@free-electrons.com>,
        Richard Weinberger <richard@nod.at>, linux-mtd@lists.infradead.org
References: <1483448495-31607-1-git-send-email-boris.brezillon@free-electrons.com>
 <1483448495-31607-8-git-send-email-boris.brezillon@free-electrons.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
        Brian Norris <computersforpeace@gmail.com>,
        Cyrille Pitchen <cyrille.pitchen@atmel.com>,
        Icenowy Zheng <icenowy@aosc.xyz>, Valdis.Kletnieks@vt.edu,
        linux-kernel@vger.kernel.org
From: Marek Vasut <marek.vasut@gmail.com>
Message-ID: <09da7377-1323-0794-fe61-34fd06e35404@gmail.com>
Date: Wed, 4 Jan 2017 16:14:07 +0100
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On 01/03/2017 02:01 PM, Boris Brezillon wrote:
> Move Samsung specific initialization and detection logic into
> nand_samsung.c. This is part of the "separate vendor specific code from
> core" cleanup process.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>

[...]

> diff --git a/drivers/mtd/nand/nand_ids.c b/drivers/mtd/nand/nand_ids.c
> index b3a332f37e14..05e9366696c9 100644
> --- a/drivers/mtd/nand/nand_ids.c
> +++ b/drivers/mtd/nand/nand_ids.c
> @@ -10,7 +10,7 @@
>  #include <linux/mtd/nand.h>
>  #include <linux/sizes.h>
>  
> -#define LP_OPTIONS NAND_SAMSUNG_LP_OPTIONS
> +#define LP_OPTIONS 0
>  #define LP_OPTIONS16 (LP_OPTIONS | NAND_BUSWIDTH_16)
>  
>  #define SP_OPTIONS NAND_NEED_READRDY
> @@ -169,10 +169,12 @@ struct nand_flash_dev nand_flash_ids[] = {
>  };
>  
>  /* Manufacturer IDs */
> +extern const struct nand_manufacturer_ops samsung_nand_manuf_ops;

Is the extern needed ?

>  struct nand_manufacturers nand_manuf_ids[] = {
>  	{NAND_MFR_TOSHIBA, "Toshiba"},
>  	{NAND_MFR_ESMT, "ESMT"},
> -	{NAND_MFR_SAMSUNG, "Samsung"},
> +	{NAND_MFR_SAMSUNG, "Samsung", &samsung_nand_manuf_ops},
>  	{NAND_MFR_FUJITSU, "Fujitsu"},
>  	{NAND_MFR_NATIONAL, "National"},
>  	{NAND_MFR_RENESAS, "Renesas"},

[...]


-- 
Best regards,
Marek Vasut