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. pci driver now returns devices, even when they have been pci_reserve()d

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. pci_reserve() returns an error on devices that have already been reserved,
  instead of panic()ing; the pci_reserve() library call still panics,
  pci_reserve_ok() returns an int.
. this allows at_wini to use the instance value as intended, as all devices
  are seen, even reserved ones
. only devices actually used by at_wini are pci_reserve()d
. pci doesn't release devices based on argv[0], as at_wini both have the
  same name and multiple instances won't work together properly
This commit is contained in:
Ben Gras
2007-02-20 17:09:19 +00:00
parent 825f29fd89
commit 168d766f32
6 changed files with 39 additions and 7 deletions
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include/minix/syslib.h
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@@ -185,6 +185,7 @@ _PROTOTYPE( int pci_next_dev, (int *devindp, u16_t *vidp, u16_t *didp) );
_PROTOTYPE( int pci_find_dev, (U8_t bus, U8_t dev, U8_t func,
int *devindp) );
_PROTOTYPE( void pci_reserve, (int devind) );
_PROTOTYPE( int pci_reserve_ok, (int devind) );
_PROTOTYPE( void pci_ids, (int devind, u16_t *vidp, u16_t *didp) );
_PROTOTYPE( void pci_rescan_bus, (U8_t busnr) );
_PROTOTYPE( u8_t pci_attr_r8, (int devind, int port) );