2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-26 06:04:14 +08:00
linux-next/arch/sparc64/prom/devops.c
Adrian Bunk b00dc83764 sparc64: remove CVS keywords
This patch removes the CVS keywords that weren't updated for a long time
from comments.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-20 00:33:43 -07:00

42 lines
1006 B
C

/*
* devops.c: Device operations using the PROM.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <asm/openprom.h>
#include <asm/oplib.h>
/* Open the device described by the string 'dstr'. Returns the handle
* to that device used for subsequent operations on that device.
* Returns 0 on failure.
*/
int
prom_devopen(const char *dstr)
{
return p1275_cmd ("open", P1275_ARG(0,P1275_ARG_IN_STRING)|
P1275_INOUT(1,1),
dstr);
}
/* Close the device described by device handle 'dhandle'. */
int
prom_devclose(int dhandle)
{
p1275_cmd ("close", P1275_INOUT(1,0), dhandle);
return 0;
}
/* Seek to specified location described by 'seekhi' and 'seeklo'
* for device 'dhandle'.
*/
void
prom_seek(int dhandle, unsigned int seekhi, unsigned int seeklo)
{
p1275_cmd ("seek", P1275_INOUT(3,1), dhandle, seekhi, seeklo);
}