linux-kernel - [PATCH] base: isa: Remove X86

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Date:	Thu, 21 Jan 2016 10:56:32 -0500
From:	William Breathitt Gray <vilhelm.gray@...il.com>
To:	tglx@...utronix.de, mingo@...hat.com, hpa@...or.com
Cc:	gregkh@...uxfoundation.org, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] base: isa: Remove X86_32 dependency

Many motherboards utilize a LPC to ISA bridge in order to decode
ISA-style port-mapped I/O addresses. This is particularly true for
embedded motherboards supporting the PC/104 bus (a bus specification
derived from ISA).

These motherboards are now commonly running 64-bit x86 processors. The
X86_32 dependency should be removed from the ISA configuration option in
order to support these newer motherboards.

Signed-off-by: William Breathitt Gray <vilhelm.gray@...il.com>
---
 arch/x86/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 4a10ba9..d82b4b1 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2443,8 +2443,6 @@ config ISA_DMA_API
 	  Enables ISA-style DMA support for devices requiring such controllers.
 	  If unsure, say Y.
 
-if X86_32
-
 config ISA
 	bool "ISA support"
 	---help---
@@ -2454,6 +2452,8 @@ config ISA
 	  (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
 	  newer boards don't support it.  If you have ISA, say Y, otherwise N.
 
+if X86_32
+
 config EISA
 	bool "EISA support"
 	depends on ISA
-- 
2.4.10