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Remove dead code which makes a call to mem_range_attr_set().

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This fixes a bug where mxge did not declare a dependancy on
mem(4), and failed to load with options nomem.

Pointed out by: antoine
This commit is contained in:
Andrew Gallatin 2008-03-12 15:36:00 +00:00
parent 1397332d85
commit 47c2e9879b
1 changed files with 2 additions and 18 deletions
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20
sys/dev/mxge/if_mxge.c
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@ -42,7 +42,6 @@ __FBSDID("$FreeBSD$");
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/memrange.h>
#include <sys/socket.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
@ -155,32 +154,17 @@ static void
mxge_enable_wc(mxge_softc_t *sc)
{
#if defined(__i386) || defined(__amd64)
struct mem_range_desc mrdesc;
vm_paddr_t pa;
vm_offset_t len;
int err, action;
int err;
sc->wc = 1;
len = rman_get_size(sc->mem_res);
err = pmap_change_attr((vm_offset_t) sc->sram,
len, PAT_WRITE_COMBINING);
if (err == 0)
return;
else
if (err != 0) {
device_printf(sc->dev, "pmap_change_attr failed, %d\n",
err);
pa = rman_get_start(sc->mem_res);
mrdesc.mr_base = pa;
mrdesc.mr_len = len;
mrdesc.mr_flags = MDF_WRITECOMBINE;
action = MEMRANGE_SET_UPDATE;
strcpy((char *)&mrdesc.mr_owner, "mxge");
err = mem_range_attr_set(&mrdesc, &action);
if (err != 0) {
sc->wc = 0;
device_printf(sc->dev,
"w/c failed for pa 0x%lx, len 0x%lx, err = %d\n",
(unsigned long)pa, (unsigned long)len, err);
}
#endif
}