lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Thu, 20 Mar 2014 12:09:00 -0600
From:	Warner Losh <>
To:	Santosh Shilimkar <>
Cc:	Brian Norris <>,
	Ivan Khoronzhuk <>,
	David Woodhouse <>,,,,,,,
	Russell King - ARM Linux <>,,,,,,,
	Murali Karicheri <>
Subject: Re: [PATCH 2/3] mtd: davinci-nand: add dts property for NAND_NO_SUBPAGE_WRITE option

On Mar 20, 2014, at 12:02 PM, Santosh Shilimkar <> wrote:

> On Thursday 20 March 2014 01:44 PM, Warner Losh wrote:
>> On Mar 20, 2014, at 11:37 AM, Santosh Shilimkar <> wrote:
>>> On Thursday 20 March 2014 01:29 PM, Brian Norris wrote:
>>>> On Thu, Mar 20, 2014 at 01:12:35PM -0400, Santosh Shilimkar wrote:
>>>>> Boris,
>>>> Who's Boris? And why should Boris be taking this patch? It's an MTD
>>>> patch.
>>> I got your name completely wrong. Sorry....
>>>>> On Thursday 20 March 2014 01:06 PM, Ivan Khoronzhuk wrote:
>>>>>> From: Murali Karicheri <>
>>>>>> After testing NAND flash with ubifs for k2hk-emv board were committed
>>>>>> that flash doesn't support subpage writing, so we can fix it by
>>>>>> adding a property to disable subpage write.
>>>> What flash? We try to autodetect NAND as much as possible. Perhaps we
>>>> should be adding infrastructure support instead of hacking it with a DT
>>>> property.
>>> We can't auto detect it and thats why the DT approach was taken. We
>>> will double check that.
>> I though sub page writing was one of the fields in the onfi and/or jedec(toggle) meta data structures. Have you looked there?
> Am not sure if I follow you. The limitation is from the TI NAND controller(AEMIF) and
> not the NAND memory. 

Then never mind. I thought it was the other side of things.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

Powered by blists - more mailing lists