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Subject[patch] A slightly smarter dmi_scan.c ?
Greetings everyone,

OK. This is the last thing of this nature I'm going to submit... After
all, I started this. No need to take this above informal spring
cleaning...
James, Alan is right. No need for #ifdef's *when* (and only when)
there's a better way to do it. Thanks.

This is against 2.4.17.--- linux/arch/i386/kernel/dmi_scan.c Mon Dec 31 10:52:52 2001
+++ linux/arch/i386/kernel/dmi_scan.c.mod Mon Dec 31 11:12:10 2001
@@ -256,7 +256,7 @@ static __init int set_smp_bios_reboot(st

static __init int set_realmode_power_off(struct dmi_blacklist *d)
{
- if (apm_info.realmode_power_off == 0)
+ if (apm_info.bios.version && (apm_info.realmode_power_off == 0))
{
apm_info.realmode_power_off = 1;
printk(KERN_INFO "%s bios detected. Using realmode poweroff only.\n", d->ident);
@@ -271,7 +271,7 @@ static __init int set_realmode_power_off

static __init int set_apm_ints(struct dmi_blacklist *d)
{
- if (apm_info.allow_ints == 0)
+ if (apm_info.bios.version && (apm_info.allow_ints == 0))
{
apm_info.allow_ints = 1;
printk(KERN_INFO "%s machine detected. Enabling interrupts during APM calls.\n", d->ident);
@@ -285,7 +285,7 @@ static __init int set_apm_ints(struct dm

static __init int apm_is_horked(struct dmi_blacklist *d)
{
- if (apm_info.disabled == 0)
+ if (apm_info.bios.version && (apm_info.disabled == 0))
{
apm_info.disabled = 1;
printk(KERN_INFO "%s machine detected. Disabling APM.\n", d->ident);
@@ -342,8 +342,10 @@ static __init int sony_vaio_laptop(struc

static __init int swab_apm_power_in_minutes(struct dmi_blacklist *d)
{
- apm_info.get_power_status_swabinminutes = 1;
- printk(KERN_WARNING "BIOS strings suggest APM reports battery life in minutes and wrong byte order.\n");
+ if (apm_info.bios.version) {
+ apm_info.get_power_status_swabinminutes = 1;
+ printk(KERN_WARNING "BIOS strings suggest APM reports battery life in minutes and wrong byte order.\n");
+ }
return 0;
}
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