i'm perusing the various scatterlist.h header files, and i can see
where almost all arches define the convenience macros:
#define sg_dma_address(sg) ((sg)->dma_address)
#define sg_dma_len(sg) ((sg)->dma_length)
but i just noticed the h8300 arch doesn't in *its* header file:
...
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
unsigned long sg_magic;
#endif
unsigned long page_link;
unsigned int offset;
dma_addr_t dma_address;
unsigned int length;
};
#define ISA_DMA_THRESHOLD (0xffffffff)
...
and i don't see where else it might be getting those macro definitions
from. doesn't every architecture *have* to define these macros
somewhere? thanks.
rday
p.s. there are a couple architectures that don't define those macros
in their scatterlist.h, but still define them elsewhere. for example,
the FRV arch (just to be different) defines them in its dma-mapping.h
file. but h8300 doesn't appear to define them *anywhere*, unless i
just missed it.
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA
http://crashcourse.ca
========================================================================
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