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Re: [PATCH] base: isa: Remove X86_32 dependency

From "H. Peter Anvin" <hpa@zytor.com>
Newsgroups linux.kernel
Subject Re: [PATCH] base: isa: Remove X86_32 dependency
Date 2016-01-21 20:50 +0100
Message-ID <qTtp0-1qg-5@gated-at.bofh.it> (permalink)
References <qTpOq-7iT-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 01/21/16 07:56, William Breathitt Gray wrote:
> 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@gmail.com>

CONFIG_ISA is mainly used to exclude drivers that are for ISA-specific
devices.

However, PC/104 is indeed an actual ISA parallel bus, and as you say
widely used in embedded systems.  However, I would like to see if there
are anything hidden with !CONFIG_ISA which makes sense in PC104 systems.

	-hpa

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Thread

[PATCH] base: isa: Remove X86_32 dependency William Breathitt Gray <vilhelm.gray@gmail.com> - 2016-01-21 17:00 +0100
  Re: [PATCH] base: isa: Remove X86_32 dependency "H. Peter Anvin" <hpa@zytor.com> - 2016-01-21 20:50 +0100
    Re: [PATCH] base: isa: Remove X86_32 dependency William Breathitt Gray <vilhelm.gray@gmail.com> - 2016-01-22 00:50 +0100
      Re: [PATCH] base: isa: Remove X86_32 dependency "H. Peter Anvin" <hpa@zytor.com> - 2016-01-22 00:50 +0100
        Re: [PATCH] base: isa: Remove X86_32 dependency William Breathitt Gray <vilhelm.gray@gmail.com> - 2016-01-22 01:10 +0100
          Re: [PATCH] base: isa: Remove X86_32 dependency Thomas Gleixner <tglx@linutronix.de> - 2016-01-22 09:10 +0100

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