linux-kernel - Re: [PATCH 3/3] mtd: spi-nor: Add USE

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Message-ID: <36213198-a09c-a969-1f57-092e0fb7cd68@huawei.com>
Date:   Thu, 5 Dec 2019 11:21:20 +0000
From:   John Garry <john.garry@...wei.com>
To:     Vignesh Raghavendra <vigneshr@...com>,
        Tudor Ambarus <tudor.ambarus@...rochip.com>
CC:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Richard Weinberger <richard@....at>,
        Ashish Kumar <Ashish.Kumar@....com>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        chenxiang <chenxiang66@...ilicon.com>
Subject: Re: [PATCH 3/3] mtd: spi-nor: Add USE_FSR flag for n25q* entries

On 05/12/2019 06:59, Vignesh Raghavendra wrote:
> Add USE_FSR flag to all variants of n25q entries that support Flag Status
> Register.
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr@...com>

Tested-by: John Garry <john.garry@...wei.com> #for n25q128a13

> ---
>   drivers/mtd/spi-nor/spi-nor.c | 15 ++++++++++-----
>   1 file changed, 10 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
> index a5cb647378f0..1082b6bb1393 100644
> --- a/drivers/mtd/spi-nor/spi-nor.c
> +++ b/drivers/mtd/spi-nor/spi-nor.c
> @@ -2454,16 +2454,21 @@ static const struct flash_info spi_nor_ids[] = {
>   	{ "n25q032a",	 INFO(0x20bb16, 0, 64 * 1024,   64, SPI_NOR_QUAD_READ) },
>   	{ "n25q064",     INFO(0x20ba17, 0, 64 * 1024,  128, SECT_4K | SPI_NOR_QUAD_READ) },
>   	{ "n25q064a",    INFO(0x20bb17, 0, 64 * 1024,  128, SECT_4K | SPI_NOR_QUAD_READ) },
> -	{ "n25q128a11",  INFO(0x20bb18, 0, 64 * 1024,  256, SECT_4K | SPI_NOR_QUAD_READ) },
> -	{ "n25q128a13",  INFO(0x20ba18, 0, 64 * 1024,  256, SECT_4K | SPI_NOR_QUAD_READ) },
> +	{ "n25q128a11",  INFO(0x20bb18, 0, 64 * 1024,  256, SECT_4K |
> +			      USE_FSR | SPI_NOR_QUAD_READ) },
> +	{ "n25q128a13",  INFO(0x20ba18, 0, 64 * 1024,  256, SECT_4K |
> +			      USE_FSR | SPI_NOR_QUAD_READ) },
>   	{ "mt25ql256a",  INFO6(0x20ba19, 0x104400, 64 * 1024,  512,
>   			       SECT_4K | USE_FSR | SPI_NOR_DUAL_READ |
>   			       SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
> -	{ "n25q256a",    INFO(0x20ba19, 0, 64 * 1024,  512, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
> +	{ "n25q256a",    INFO(0x20ba19, 0, 64 * 1024,  512, SECT_4K |
> +			      USE_FSR | SPI_NOR_DUAL_READ |
> +			      SPI_NOR_QUAD_READ) },
>   	{ "mt25qu256a",  INFO6(0x20bb19, 0x104400, 64 * 1024,  512,
>   			       SECT_4K | USE_FSR | SPI_NOR_DUAL_READ |
>   			       SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
> -	{ "n25q256ax1",  INFO(0x20bb19, 0, 64 * 1024,  512, SECT_4K | SPI_NOR_QUAD_READ) },
> +	{ "n25q256ax1",  INFO(0x20bb19, 0, 64 * 1024,  512, SECT_4K |
> +			      USE_FSR | SPI_NOR_QUAD_READ) },
>   	{ "mt25ql512a",  INFO6(0x20ba20, 0x104400, 64 * 1024, 1024,
>   			       SECT_4K | USE_FSR | SPI_NOR_DUAL_READ |
>   			       SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
> @@ -2472,7 +2477,7 @@ static const struct flash_info spi_nor_ids[] = {
>   			       SECT_4K | USE_FSR | SPI_NOR_DUAL_READ |
>   			       SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES) },
>   	{ "n25q512a",    INFO(0x20bb20, 0, 64 * 1024, 1024, SECT_4K |
> -			      SPI_NOR_QUAD_READ) },
> +			      USE_FSR | SPI_NOR_QUAD_READ) },
>   	{ "n25q00",      INFO(0x20ba21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) },
>   	{ "n25q00a",     INFO(0x20bb21, 0, 64 * 1024, 2048, SECT_4K | USE_FSR | SPI_NOR_QUAD_READ | NO_CHIP_ERASE) },
>   	{ "mt25ql02g",   INFO(0x20ba22, 0, 64 * 1024, 4096,
>