linux-kernel - Re: writing portable code based on BITS_PER

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Message-ID: <6de39a910608061308t4c9dd9fdo3e1ff634a3079e3d@mail.gmail.com>
Date:	Sun, 6 Aug 2006 13:08:08 -0700
From:	"Om N." <xhandle@...il.com>
To:	"Om N." <xhandle@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: writing portable code based on BITS_PER_LONG?

On 8/6/06, Jan-Benedict Glaw <jbglaw@...-owl.de> wrote:
> On Sat, 2006-08-05 23:16:29 -0700, Om N. <xhandle@...il.com> wrote:
> > I am trying to port a driver written for IA32. This is a pci driver
> > and has a chipset doing PCI <-> local bus data transfer, where local
> > bus is 16 bit. So a number of values are converted by right/left
> > shifting by 16 bits.
> I'd probably write some macros that access the parts of the longs you
> want to have/set and put these into some header file.
Let me go the macro way. Let me beat the code into some shape and then
post a url to the list for comments on 64bit safeness.

Thanks for ideas,
Regards,
Om.
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