linux-kernel - RE: [PATCH V3 3/4] ARM: Xilinx: base header files and assembly macros

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Date:	Thu, 17 Feb 2011 18:19:09 -0700
From:	John Linn <John.Linn@...inx.com>
To:	Jamie Iles <jamie@...ieiles.com>
CC:	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux@....linux.org.uk>,
	<catalin.marinas@....com>, <glikely@...retlab.ca>, <arnd@...db.de>
Subject: RE: [PATCH V3 3/4] ARM: Xilinx: base header files and assembly macros



> -----Original Message-----
> From: Jamie Iles [mailto:jamie@...ieiles.com]
> Sent: Thursday, February 17, 2011 3:01 AM
> To: John Linn
> Cc: linux-arm-kernel@...ts.infradead.org;
linux-kernel@...r.kernel.org; linux@....linux.org.uk;
> catalin.marinas@....com; glikely@...retlab.ca; arnd@...db.de
> Subject: Re: [PATCH V3 3/4] ARM: Xilinx: base header files and
assembly macros
> 
> Hi John,
> 
> A few more nitpicks, but looking good now!
> 
> Jamie
> 
> On Wed, Feb 16, 2011 at 09:11:55AM -0700, John Linn wrote:
> > These are the minimum needed to build the kernel for the new
platform.
> >
> > Signed-off-by: John Linn <john.linn@...inx.com>
> > ---
> >
> > V3 Changes
> >
> > Updates based on Russell Kings' comments
> > 	Changed headers to update the license info and remove
> > 	the address
> >
> > 	Updated the constant to use UL in vmalloc.h
> >
> > V2 Changes
> >
> > Updates based on Russell King's comments
> > 	moved to using entry-macro-gic.S
> > 	moved stuff from hardware.h to xilinx_soc.h
> > 	added IOMEM() in io.h to help with typing
> > 	Minor updates to IO_SPACE_LIMIT and __io()
> > 	Updated addresses to be clear with seperate virtual
> > 		and physical addresses
> >
> >  arch/arm/mach-xilinx/include/mach/clkdev.h      |   33
++++++++++++++++
> >  arch/arm/mach-xilinx/include/mach/debug-macro.S |   36
+++++++++++++++++
> >  arch/arm/mach-xilinx/include/mach/entry-macro.S |   30
++++++++++++++
> >  arch/arm/mach-xilinx/include/mach/hardware.h    |   18 +++++++++
> >  arch/arm/mach-xilinx/include/mach/io.h          |   33
++++++++++++++++
> >  arch/arm/mach-xilinx/include/mach/irqs.h        |   29
++++++++++++++
> >  arch/arm/mach-xilinx/include/mach/memory.h      |   23 +++++++++++
> >  arch/arm/mach-xilinx/include/mach/system.h      |   28
+++++++++++++
> >  arch/arm/mach-xilinx/include/mach/timex.h       |   24 ++++++++++++
> >  arch/arm/mach-xilinx/include/mach/uart.h        |   31
+++++++++++++++
> >  arch/arm/mach-xilinx/include/mach/uncompress.h  |   47
+++++++++++++++++++++++
> >  arch/arm/mach-xilinx/include/mach/vmalloc.h     |   20 ++++++++++
> >  arch/arm/mach-xilinx/include/mach/xilinx_soc.h  |   46
++++++++++++++++++++++
> >  13 files changed, 398 insertions(+), 0 deletions(-)
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/clkdev.h
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/debug-macro.S
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/entry-macro.S
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/hardware.h
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/io.h
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/irqs.h
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/memory.h
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/system.h
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/timex.h
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/uart.h
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/uncompress.h
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/vmalloc.h
> >  create mode 100644 arch/arm/mach-xilinx/include/mach/xilinx_soc.h
> >

<snip>

> > diff --git a/arch/arm/mach-xilinx/include/mach/memory.h
b/arch/arm/mach-xilinx/include/mach/memory.h
> > new file mode 100644
> > index 0000000..c200486
> > --- /dev/null
> > +++ b/arch/arm/mach-xilinx/include/mach/memory.h
> > @@ -0,0 +1,23 @@
> > +/* arch/arm/mach-xilinx/include/mach/memory.h
> > + *
> > + *  Copyright (C) 2011 Xilinx
> > + *
> > + * This software is licensed under the terms of the GNU General
Public
> > + * License version 2, as published by the Free Software Foundation,
and
> > + * may be copied, distributed, and modified under those terms.
> > + *
> > + * This program is distributed in the hope that it will be useful,
> > + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> > + * GNU General Public License for more details.
> > + */
> > +
> > +#ifndef __MACH_MEMORY_H__
> > +#define __MACH_MEMORY_H__
> > +
> > +#include <mach/hardware.h>
> > +
> > +#define PHYS_OFFSET             0x0
> 
> This should be PLAT_PHYS_OFFSET and could do with being surrounded
with
> UL() e.g.
> 
> #define PLAT_PHYS_OFFSET	UL(0x00000000)

This doesn't build with 2.6.38-rc5, am I missing something?

PHYS_OFFSET is still needed from what I can tell, but maybe I overlooked
something.

Thanks,
John


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