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kernel: backport patch for MTD_BCM47XXSFLASH dependency

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This is required to update bcma without build breakage. One of bcma
patches changes BCMA_SFLASH dependency.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
This commit is contained in:
Rafał Miłecki 2016-07-20 12:58:51 +02:00
parent 7a175e2d44
commit d12e276cb0
2 changed files with 41 additions and 0 deletions
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target/linux/generic/patches-4.4/042-mtd-bcm47xxsflash-use-ioremap_cache-instead-of-KSEG0.patch → target/linux/generic/patches-4.4/042-0001-mtd-bcm47xxsflash-use-ioremap_cache-instead-of-KSEG0.patch
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41
target/linux/generic/patches-4.4/042-0002-mtd-add-arch-dependency-for-MTD_BCM47XXSFLASH-symbol.patch Normal file
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@ -0,0 +1,41 @@
From efacc699139e13f9d3ed8b47df92acb88ff8479f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Tue, 19 Jul 2016 09:08:32 +0200
Subject: [PATCH] mtd: add arch dependency for MTD_BCM47XXSFLASH symbol
MIME-Version: 1.0
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We dropped strict MIPS dependency for bcm47xxsflash driver in:
commit 5651d6aaf489 ("mtd: bcm47xxsflash: use ioremap_cache() instead of
KSEG0ADDR()") but using ioremap_cache still limits building it to few
selected architectures only.
A recent commit 57d8f7dd2132 ("bcma: allow enabling serial flash support
on non-MIPS SoCs") automatically dropped MIPS dependency for
MTD_BCM47XXSFLASH which broke building e.g. on powerpc and cris.
The bcma change is alright as it doesn't break building bcma code in any
way. MTD_BCM47XXSFLASH on the other hand should be limited to archs
which need it and can build it (by providing ioremap_cache).
Fixes: 57d8f7dd2132 ("bcma: allow enabling serial flash support on non-MIPS SoCs")
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: Brian Norris <computersforpeace@gmail.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
drivers/mtd/devices/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -114,7 +114,7 @@ config MTD_SST25L
config MTD_BCM47XXSFLASH
tristate "R/O support for serial flash on BCMA bus"
- depends on BCMA_SFLASH
+ depends on BCMA_SFLASH && (MIPS || ARM)
help
BCMA bus can have various flash memories attached, they are
registered by bcma as platform devices. This enables driver for