Re: [PATCH 1/6] rapidio: add common mapping APIs for RapidIO memory access

From: Kumar Gala
Date: Thu Jun 11 2009 - 00:15:51 EST

On May 12, 2009, at 3:35 AM, Li Yang wrote:

Add the mapping functions used to support direct IO memory access of

Signed-off-by: Zhang Wei <zw@xxxxxxxxxxxxx>
Signed-off-by: Li Yang <leoli@xxxxxxxxxxxxx>

Use inbnd/outbnd instead of inb/outb which make one think of byte level io accessors.

As I look at this I don't think this is the correct API. I think we should be using the DMA mapping API to hide these details. The concept of mapping like this seems to be more a function of FSL's Address translation/mapping unit (ATMU) than anything specific to the RIO bus standard.

drivers/rapidio/rio.c | 95 ++++++++++++++++++++++++++++++++++++++ +++++++++
include/linux/rio.h | 25 ++++++++++++
include/linux/rio_drv.h | 24 +++++++++---
3 files changed, 138 insertions(+), 6 deletions(-)

- k
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