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From 841e59ba3e496d86ca5f069204d5e5c1ad43c01d Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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Date: Tue, 27 Jan 2015 22:29:21 +0100
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Subject: [PATCH] mtd: bcm47xxpart: support for Xiaomi specific board_data
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partition
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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---
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drivers/mtd/bcm47xxpart.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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--- a/drivers/mtd/bcm47xxpart.c
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+++ b/drivers/mtd/bcm47xxpart.c
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@@ -33,6 +33,7 @@
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/* Magics */
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#define BOARD_DATA_MAGIC 0x5246504D /* MPFR */
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#define BOARD_DATA_MAGIC2 0xBD0D0BBD
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+#define BOARD_DATA_XIAOMI_MAGIC 0x474D4442 /* GMDB */
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#define CFE_MAGIC 0x43464531 /* 1EFC */
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#define FACTORY_MAGIC 0x59544346 /* FCTY */
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#define NVRAM_HEADER 0x48534C46 /* FLSH */
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@@ -267,7 +268,8 @@ static int bcm47xxpart_parse(struct mtd_
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}
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/* Some devices (ex. WNDR3700v3) don't have a standard 'MPFR' */
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- if (buf[0x000 / 4] == BOARD_DATA_MAGIC2) {
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+ if (buf[0x000 / 4] == BOARD_DATA_MAGIC2 ||
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+ le32_to_cpu(buf[0x000 / 4]) == BOARD_DATA_XIAOMI_MAGIC) {
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bcm47xxpart_add_part(&parts[curr_part++], "board_data",
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offset, MTD_WRITEABLE);
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continue;
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