linux-kernel - Re: [PATCH 2/9] mtd: spi-nor: add an alternative method to support memory >16MiB

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Date:   Wed, 5 Oct 2016 17:42:50 +0530
From:   Vignesh R <vigneshr@...com>
To:     Cyrille Pitchen <cyrille.pitchen@...el.com>,
        <computersforpeace@...il.com>, <linux-mtd@...ts.infradead.org>
CC:     <marex@...x.de>, <boris.brezillon@...e-electrons.com>,
        <nicolas.ferre@...el.com>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/9] mtd: spi-nor: add an alternative method to support
 memory >16MiB

Hi,


On Tuesday 04 October 2016 10:07 PM, Cyrille Pitchen wrote:
[...]
>  static struct seq_rw_config stfsm_s25fl_write4_configs[] = {
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index 5c87b2d99507..423448c1c7a8 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -75,6 +75,10 @@ struct flash_info {
>  					 * bit. Must be used with
>  					 * SPI_NOR_HAS_LOCK.
>  					 */
> +#define SPI_NOR_4B_OPCODES	BIT(10)	/*
> +					 * Use dedicated 4byte address op codes
> +					 * to support memory size above 128Mib.
> +					 */


I don't see this flag being added to any flash_info data for any m25p80
compatible flashes? Is that part of a separate series?

-- 
Regards
Vignesh