linux-kernel - Re: [PATCH] mtd: nand: Add comment about Kioxia ID

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Message-ID: <73dae14b-5bf0-b909-3229-aab3ed232669@kioxia.com>
Date:   Tue, 4 Feb 2020 19:30:04 +0900
From:   Yoshio Furuyama <ytc-mb-yfuruyama7@...xia.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     vigneshr@...com, linux-kernel@...r.kernel.org,
        linux-mtd@...ts.infradead.org
Subject: Re: [PATCH] mtd: nand: Add comment about Kioxia ID

Dear Miquèl,


On 2020/02/04 17:52, Miquel Raynal wrote:
> Hi Yoshio,
>
> Yoshio Furuyama <ytc-mb-yfuruyama7@...xia.com> wrote on Tue,  4 Feb
> 2020 11:26:03 +0900:
>
>> Add a comment above NAND_MFR_TOSHIBA and SPINAND_MFR_TOSHIBA definitions
>> that Toshiba and Kioxia ID are the same.
>>
>> Signed-off-by: Yoshio Furuyama <ytc-mb-yfuruyama7@...xia.com>
>> ---
>>   drivers/mtd/nand/raw/internals.h | 1 +
>>   drivers/mtd/nand/spi/toshiba.c   | 1 +
>>   2 files changed, 2 insertions(+)
>>
>> diff --git a/drivers/mtd/nand/raw/internals.h b/drivers/mtd/nand/raw/internals.h
>> index cba6fe7..2918376b 100644
>> --- a/drivers/mtd/nand/raw/internals.h
>> +++ b/drivers/mtd/nand/raw/internals.h
>> @@ -30,6 +30,7 @@
>>   #define NAND_MFR_SAMSUNG	0xec
>>   #define NAND_MFR_SANDISK	0x45
>>   #define NAND_MFR_STMICRO	0x20
>> +/* Toshiba and Kioxia ID are the same. */
>>   #define NAND_MFR_TOSHIBA	0x98
>>   #define NAND_MFR_WINBOND	0xef
>>   
>> diff --git a/drivers/mtd/nand/spi/toshiba.c b/drivers/mtd/nand/spi/toshiba.c
>> index 0db5ee4..a92ecc8 100644
>> --- a/drivers/mtd/nand/spi/toshiba.c
>> +++ b/drivers/mtd/nand/spi/toshiba.c
>> @@ -10,6 +10,7 @@
>>   #include <linux/kernel.h>
>>   #include <linux/mtd/spinand.h>
>>   
>> +/* Toshiba and Kioxia ID are the same. */
>>   #define SPINAND_MFR_TOSHIBA		0x98
>>   #define TOSH_STATUS_ECC_HAS_BITFLIPS_T	(3 << 4)
>>   
>
> "Are the same" is not very descriptive, what about "Kioxia is the new
> name of Toshiba"?


That's a good idea.

Actually ,

Is was changed a company name from Toshiba memory Co to Kioxia Co.     
Since became independent from Toshiba group.

I will update the comment as "Kioxia is new name of Toshiba memory"


Thanks