Size of Samsung NAND id 0xD5 in nand_flash_ids[]

[Ravi Vasarla]

Hi Vaibhav,

In 32 bit operation, max data can be represented upto 4GiB - 1. In this given condition you can map the pages of size 4GiB - 1 
 (As highest msb in 32 bit operation is represented by 2^31 only);

Regards,
Ravi Kumar

________________________________________
From: linux-mtd-bounces at lists.infradead.org [linux-mtd-bounces at lists.infradead.org] On Behalf Of Vaibhav AGARWAL [vaibhav.agarwal at st.com]
Sent: Tuesday, April 14, 2009 16:42
To: linux-mtd at lists.infradead.org
Subject: Size of Samsung NAND id 0xD5 in nand_flash_ids[]

Hi,

I m using Samsung K9WBG08U1M NAND. And after looking at Samsung's
product decoder sheet, I can decode it's size as 4GiB. However, on
matching it's signature id i.e. 0xD5 in 'nand_flash_ids[]' table, I can
see it's size defined to be 2GiB by mtd framework. Is there any specific
reason for doing so?

Regards,
Vaibhav.

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