The page calculation under spi_nor_s3an_addr_convert() was wrong. On
Default Address Mode we need to perform a divide by page_size.
Fixes: 61cba34bd6c1 ("mtd: spi-nor: Add support for S3AN spi-nor devices")
Signed-off-by: Ricardo Ribalda Delgado <[email protected]>
---
drivers/mtd/spi-nor/spi-nor.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 2a643a1bb45e..a374532068f0 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -431,11 +431,15 @@ 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 ret;
- offset %= nor->page_size;
+ offset = addr % nor->page_size;
+ ret = addr / nor->page_size;
+ ret <<= (nor->page_size > 512) ? 10 : 9;
+ ret |= offset;
- return ((addr - offset) << 1) | offset;
+ return ret;
}
/*
--
2.11.0
