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x86/apm_32: Remove dead function apm_get_battery_status()

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This part was commented out 25 years ago in:

  commit d43c43b46ebfdb437b78206fcc1992c4d2e8c15e
  Author: linus1 <torvalds@linuxfoundation.org>
  Date:   Tue Sep 7 11:00:00 1999 -0600

      Import 2.3.26pre1

and probably no one knows why. Probably it was unused even then.

Just remove it.

  [ bp: Expand commit message. ]

Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240126030824.579711-1-chentao@kylinos.cn
This commit is contained in:
Kunwu Chan 2024-01-26 11:08:24 +08:00 committed by Borislav Petkov (AMD)
parent 7d4002e8ce
commit e37ae6433a
1 changed files with 0 additions and 29 deletions
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29
arch/x86/kernel/apm_32.c
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@ -1055,35 +1055,6 @@ static int apm_get_power_status(u_short *status, u_short *bat, u_short *life)
return APM_SUCCESS;
}
#if 0
static int apm_get_battery_status(u_short which, u_short *status,
u_short *bat, u_short *life, u_short *nbat)
{
u32 eax;
u32 ebx;
u32 ecx;
u32 edx;
u32 esi;
if (apm_info.connection_version < 0x0102) {
/* pretend we only have one battery. */
if (which != 1)
return APM_BAD_DEVICE;
*nbat = 1;
return apm_get_power_status(status, bat, life);
}
if (apm_bios_call(APM_FUNC_GET_STATUS, (0x8000 | (which)), 0, &eax,
&ebx, &ecx, &edx, &esi))
return (eax >> 8) & 0xff;
*status = ebx;
*bat = ecx;
*life = edx;
*nbat = esi;
return APM_SUCCESS;
}
#endif
/**
* apm_engage_power_management - enable PM on a device
* @device: identity of device