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From: Vignesh Raghavendra <vigneshr@ti.com>
To: Sagar Shrikant Kadam <sagar.kadam@sifive.com>,
	<marek.vasut@gmail.com>, <tudor.ambarus@microchip.com>,
	<dwmw2@infradead.org>, <computersforpeace@gmail.com>,
	<miquel.raynal@bootlin.com>, <richard@nod.at>,
	<linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
	<linux-riscv@lists.infradead.org>
Cc: wesley@sifive.com, palmer@sifive.com, aou@eecs.berkeley.edu,
	paul.walmsley@sifive.com
Subject: Re: [PATCH v5 1/3] mtd: spi-nor: add support for is25wp256
Date: Sun, 16 Jun 2019 18:14:16 +0530	[thread overview]
Message-ID: <325855d0-00f9-df8a-ea57-c140d39dd6ef@ti.com> (raw)
In-Reply-To: <1560336476-31763-2-git-send-email-sagar.kadam@sifive.com>

Hi,

On 12-Jun-19 4:17 PM, Sagar Shrikant Kadam wrote:
[...]

> @@ -4129,7 +4137,7 @@ int spi_nor_scan(struct spi_nor *nor, const char *name,
>  	if (ret)
>  		return ret;
>  
> -	if (nor->addr_width) {
> +	if (nor->addr_width && JEDEC_MFR(info) != SNOR_MFR_ISSI) {
>  		/* already configured from SFDP */

Hmm, why would you want to ignore addr_width that's read from SFDP table?

Regards
Vignesh


>  	} else if (info->addr_width) {
>  		nor->addr_width = info->addr_width;
> diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
> index b3d360b..ff13297 100644
> --- a/include/linux/mtd/spi-nor.h
> +++ b/include/linux/mtd/spi-nor.h
> @@ -19,6 +19,7 @@
>  #define SNOR_MFR_ATMEL		CFI_MFR_ATMEL
>  #define SNOR_MFR_GIGADEVICE	0xc8
>  #define SNOR_MFR_INTEL		CFI_MFR_INTEL
> +#define SNOR_MFR_ISSI		0x9d		/* ISSI */
>  #define SNOR_MFR_ST		CFI_MFR_ST	/* ST Micro */
>  #define SNOR_MFR_MICRON		CFI_MFR_MICRON	/* Micron */
>  #define SNOR_MFR_MACRONIX	CFI_MFR_MACRONIX
> 

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  reply	other threads:[~2019-06-16 12:44 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-12 10:47 [PATCH v5 0/3] mtd: spi-nor: add support for is25wp256 spi-nor flash Sagar Shrikant Kadam
2019-06-12 10:47 ` [PATCH v5 1/3] mtd: spi-nor: add support for is25wp256 Sagar Shrikant Kadam
2019-06-16 12:44   ` Vignesh Raghavendra [this message]
2019-06-17 15:18     ` Sagar Kadam
2019-06-21  6:04       ` Vignesh Raghavendra
2019-06-21 10:28         ` Sagar Kadam
2019-06-24  9:34           ` Vignesh Raghavendra
2019-06-24 12:40             ` Sagar Kadam
2019-06-24 13:08               ` Vignesh Raghavendra
2019-06-24 15:22                 ` Sagar Kadam
2019-06-12 10:47 ` [PATCH v5 2/3] mtd: spi-nor: add support to unlock flash device Sagar Shrikant Kadam
2019-06-16 13:05   ` Vignesh Raghavendra
2019-06-17 15:40     ` Sagar Kadam
2019-06-18  0:25       ` Joe Perches
2019-06-18  3:55         ` Sagar Kadam
2019-06-12 10:47 ` [PATCH v5 3/3] mtd: spi-nor: add locking support for is25xxxxx device Sagar Shrikant Kadam
2019-06-18  4:24   ` Vignesh Raghavendra
2019-06-18 11:44     ` Sagar Kadam

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