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mtd: spi-nor: Fix S3AN addressing calculation 

The page calculation under spi_nor_s3an_addr_convert() was wrong. On
Default Address Mode we need to perform a divide by page_size.

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
This commit is contained in:
Ricardo Ribalda 2017-01-18 17:40:16 +01:00 committed by Cyrille Pitchen
parent f40a2725ea
commit 56c5c32896
1 changed files with 6 additions and 3 deletions
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9
drivers/mtd/spi-nor/spi-nor.c
View File

@ -431,11 +431,14 @@ static void spi_nor_unlock_and_unprep(struct spi_nor *nor, enum spi_nor_ops ops)
*/
static loff_t spi_nor_s3an_addr_convert(struct spi_nor *nor, unsigned int addr)
{
unsigned int offset = addr;
unsigned int offset;
unsigned int page;
offset %= nor->page_size;
offset = addr % nor->page_size;
page = addr / nor->page_size;
page <<= (nor->page_size > 512) ? 10 : 9;
return ((addr - offset) << 1) | offset;
return page | offset;
}
/*