From: Segher Boessenkool <segher@kernel.crashing.org>
To: Paul Mackerras <paulus@samba.org>
Cc: linuxppc-dev@ozlabs.org, John Linn <john.linn@xilinx.com>
Subject: Re: [PATCH 2/3] [POWERPC] Xilinx: of_serial support for Xilinx uart 16550.
Date: Fri, 21 Mar 2008 12:39:45 +0100 [thread overview]
Message-ID: <82ce3dbb9ebdb1fa4fc7407ed3396411@kernel.crashing.org> (raw)
In-Reply-To: <18403.32257.725539.470771@cargo.ozlabs.ibm.com>
>> Personally, I'm not fond of this approach. There is already some
>> traction to using the reg-shift property to specify spacing, and I
>> think it would be appropriate to also define a reg-offset property to
>> handle the +3 offset and then let the xilinx 16550 nodes use those.
>
> Why do we need a reg-offset property when we can just add the offset
> to the appropriate word(s) in the reg property?
Because if you do that, the "reg" property cannot describe the full
register block (it misses the first few bytes). Not a huge problem
in practice, sure.
Segher
next prev parent reply other threads:[~2008-03-21 11:39 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <12060242324116-git-send-email-john.linn@xilinx.com>
2008-03-20 14:43 ` [PATCH 2/3] [POWERPC] Xilinx: of_serial support for Xilinx uart 16550 John Linn
2008-03-21 0:19 ` Grant Likely
2008-03-21 9:21 ` Paul Mackerras
2008-03-21 11:39 ` Segher Boessenkool [this message]
2008-03-21 16:08 ` [PATCH 2/3] [POWERPC] Xilinx: of_serial support for Xilinx uart16550 Stephen Neuendorffer
2008-03-21 16:48 ` Segher Boessenkool
2008-03-22 14:50 ` [PATCH 2/3] [POWERPC] Xilinx: of_serial support for Xilinx uart 16550 Grant Likely
2008-03-22 16:06 ` Sergei Shtylyov
2008-03-24 14:09 ` Sergei Shtylyov
2008-03-24 14:27 ` Grant Likely
2008-03-24 16:15 ` Sergei Shtylyov
2008-03-24 16:48 ` Grant Likely
2008-03-24 17:03 ` Sergei Shtylyov
2008-03-25 22:48 ` John Linn
2008-03-21 13:00 ` Sergei Shtylyov
2008-03-21 15:37 ` Segher Boessenkool
2008-03-21 15:54 ` Sergei Shtylyov
2008-03-21 16:45 ` Segher Boessenkool
2008-03-21 16:50 ` [PATCH 2/3] [POWERPC] Xilinx: of_serial support for Xilinx uart16550 Stephen Neuendorffer
2008-03-21 17:01 ` [PATCH 2/3] [POWERPC] Xilinx: of_serial support for Xilinx uart 16550 Sergei Shtylyov
2008-03-22 15:06 ` Grant Likely
2008-03-22 16:40 ` Sergei Shtylyov
2008-03-21 16:14 ` [PATCH 2/3] [POWERPC] Xilinx: of_serial support for Xilinx uart16550 Stephen Neuendorffer
[not found] ` <1206024232655-git-send-email-john.linn@xilinx.com>
2008-03-20 14:43 ` [PATCH 3/3] [POWERPC] Xilinx: boot support for Xilinx uart 16550 John Linn
2008-03-20 14:54 ` Grant Likely
2008-03-20 16:15 ` John Linn
2008-03-20 21:18 ` Grant Likely
[not found] ` <20080320175601.5D86217C8055@mail127-sin.bigfish.com>
2008-03-20 21:07 ` Grant Likely
2008-03-20 22:04 ` Grant Likely
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