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net-snk: Remove some unused PCI functions 

The read/write_io ones are used by biosemu, though we should
probably fix them to work on qemu platform at some stage.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2014-07-15 17:36:24 +10:00 committed by Nikunj A Dadhania
parent 6495aef5b6
commit 0a341a279b
2 changed files with 2 additions and 35 deletions
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6
clients/net-snk/include/pci.h
View File

@ -14,12 +14,6 @@
#ifndef _PCI_H
#define _PCI_H
#include <of.h>
int pci_calc_bar_size (long long puid, int bus, int devfn, int bar);
int pci_get_bar_start (long long puid, int bus, int devfn, int bar);
void pci_set_bar_start (long long puid, int bus, int devfn, int bar, int value);
unsigned int read_io(void *addr, size_t sz);
int write_io(void *addr, unsigned int value, size_t sz);

31
clients/net-snk/oflib/pci.c
View File

@ -19,33 +19,7 @@
#include <cpu.h>
#include <cache.h>
int
pci_calc_bar_size(long long puid, int bus, int devfn, int bar)
{
int size;
int old;
bar = bar * 4 + 0x10;
old = rtas_pci_config_read(puid, 4, bus, devfn, bar);
rtas_pci_config_write(puid, 4, bus, devfn, bar, 0xffffffff);
size = (rtas_pci_config_read(puid, 4, bus, devfn, bar) & (-4)) * -1;
rtas_pci_config_write(puid, 4, bus, devfn, bar, old);
return size;
}
int
pci_get_bar_start(long long puid, int bus, int devfn, int bar)
{
return rtas_pci_config_read(puid, 4, bus, devfn, bar * 4 + 0x10);
}
void
pci_set_bar_start(long long puid, int bus, int devfn, int bar, int value)
{
rtas_pci_config_write(puid, 4, bus, devfn, bar * 4 + 0x10, value);
}
unsigned int
read_io(void *addr, size_t sz)
unsigned int read_io(void *addr, size_t sz)
{
unsigned int ret;
@ -66,8 +40,7 @@ read_io(void *addr, size_t sz)
return ret;
}
int
write_io(void *addr, unsigned int value, size_t sz)
int write_io(void *addr, unsigned int value, size_t sz)
{
switch (sz) {
case 1: