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authorHauke Mehrtens <hauke@hauke-m.de>2021-01-19 15:12:19 +0100
committerHauke Mehrtens <hauke@hauke-m.de>2021-01-19 15:12:19 +0100
commitb12284a14ce90d77c9b0e77876454e173be5bea6 (patch)
treeb3482aedb7c2d2534507cb90271c40c05a6be44f /target/linux/apm821xx/patches-4.14/023-0006-crypto-crypto4xx-add-prng-crypto-support.patch
parent8055e38794741313f8f4e6059f83c71dc0ab1d1c (diff)
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OpenWrt v19.07.6: adjust config defaultsv19.07.6
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Diffstat (limited to 'target/linux/apm821xx/patches-4.14/023-0006-crypto-crypto4xx-add-prng-crypto-support.patch')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2025-09-25 19:23:12 +0000
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From 5f0e0758efddef5b06994a76d8c7f0b8a4c1daae Mon Sep 17 00:00:00 2001
From: Ricardo Ribalda <ricardo.ribalda@gmail.com>
Date: Wed, 18 Jan 2017 17:40:16 +0100
Subject: [PATCH] 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>
---
 drivers/mtd/spi-nor/spi-nor.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -431,11 +431,14 @@ static void spi_nor_unlock_and_unprep(st
  */
 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;
 }
 
 /*