linux/arch/h8300/include/asm/pci.h
Myron Stowe 96c5590058 PCI: Pull PCI 'latency timer' setup up into the core
The 'latency timer' of PCI devices, both Type 0 and Type 1,
is setup in architecture-specific code [see: 'pcibios_set_master()'].
There are two approaches being taken by all the architectures - check
if the 'latency timer' is currently set between 16 and 255 and if not
bring it within bounds, or, do nothing (and then there is the
gratuitously different PA-RISC implementation).

There is nothing architecture-specific about PCI's 'latency timer' so
this patch pulls its setup functionality up into the PCI core by
creating a generic 'pcibios_set_master()' function using the '__weak'
attribute which can be used by all architectures as a default which,
if necessary, can then be over-ridden by architecture-specific code.

No functional change.

Signed-off-by: Myron Stowe <myron.stowe@redhat.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
2012-01-06 12:10:42 -08:00

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C

#ifndef _ASM_H8300_PCI_H
#define _ASM_H8300_PCI_H
/*
* asm-h8300/pci.h - H8/300 specific PCI declarations.
*
* Yoshinori Sato <ysato@users.sourceforge.jp>
*/
#define pcibios_assign_all_busses() 0
static inline void pcibios_penalize_isa_irq(int irq, int active)
{
/* We don't do dynamic PCI IRQ allocation */
}
#define PCI_DMA_BUS_IS_PHYS (1)
#endif /* _ASM_H8300_PCI_H */