How to get a device_t

[Bernd Walter]

On Sat, Aug 09, 2003 at 01:38:05PM +0200, Bernd Walter wrote:
> After adding you patch and some includes (<machine/pci_cfgreg.h>,
> <dev/pci/pcireg.h>)
> 
> [...]
> pci_open(1):    mode 1 addr port (0x0cf8) is 0x00000000
> pci_open(1a):   mode1res=0x80000000 (0x80000000)
> pci_cfgcheck:   device 0 [class=060000] [hdr=00] is there (id=30001022)
> pcibios: BIOS version 2.00
> Doing h0h0magic for AMD Elan sc520
> sysctl machdep.i8254_freq=1189161 returns 0
> Timecounter "ELAN"  frequency 8333333 Hz
> 
> 
> Fatal trap 12: page fault while in kernel mode
> fault virtual address   = 0x78363029
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0xc029d05b
> stack pointer           = 0x10:0xc03cdcc4
> frame pointer           = 0x10:0xc03cdcd4
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                         = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = interrupt enabled, resume, IOPL = 0
> current process         = 0 (swapper)
> kernel: type 12 trap, code=0
> Stopped at      BUS_ADD_CHILD+0x2b:     pushl   0x4(%eax)
> db> trace

The number of arguments to elanbb_identify was wrong.
Now things work better.

I will now split it into elanmmcr and elanbb driver and then publish
the finished work.

-- 
B.Walter                   BWCT                http://www.bwct.de
ticso at bwct.de                                  info at bwct.de