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From: "Rupesh S" <rupeshs@myw.ltindia.com>
To: <linuxppc-embedded@lists.linuxppc.org>
Subject: Why not kmalloc() ??
Date: Fri, 16 Jul 2004 14:55:34 +0530	[thread overview]
Message-ID: <s0f7edc2.025@EMAIL> (raw)


Hi,

I just figured out that I need to use m8xx_cpm_hostalloc() to allocate memory for "buffer" that needs to be attached to the "Buffer Descriptor" of an  MPC8xx CPM peripheral (like IIC, SPI, SCC etc). Instead, if I try to use kmalloc() or a static memory allocation, my driver isn't working.

1) Can somebody throw some light on what exactly is the difference between m8xx_cpm_hostalloc() and kmalloc().
2) Why is the difference important in ppc linux ?




Thanks
--
Rupesh S


** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

             reply	other threads:[~2004-07-16  9:25 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-07-16  9:25 Rupesh S [this message]
2004-07-16 10:25 ` kernel 2.4.26 doesn't seem to work with a MPC859T Pedro Aguilar
2004-07-16 11:34 ` Why not kmalloc() ?? Magnus Damm
2004-07-16 12:06   ` sanjeev ramachandran
2004-07-16 13:32     ` Dan Malek
2004-07-16 14:06       ` Mark Chambers
2004-07-16 15:42         ` Rune Torgersen
2004-07-16 19:03           ` Dan Malek
2004-07-16 19:02         ` Dan Malek
2004-07-16 13:29   ` Dan Malek
2004-07-16 11:46 ` Dan Malek
  -- strict thread matches above, loose matches on Subject: below --
2004-07-17  4:51 Rupesh S

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