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Date: Wed, 21 Feb 2024 19:26:14 -0000
From: "tip-bot2 for Kunwu Chan" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Kunwu Chan <chentao@...inos.cn>, "Borislav Petkov (AMD)" <bp@...en8.de>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject:
 [tip: x86/cleanups] x86/apm_32: Remove dead function apm_get_battery_status()

The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID:     e37ae6433a5eeb5fb66e3de4b97cdda68ee2c5e8
Gitweb:        https://git.kernel.org/tip/e37ae6433a5eeb5fb66e3de4b97cdda68ee2c5e8
Author:        Kunwu Chan <chentao@...inos.cn>
AuthorDate:    Fri, 26 Jan 2024 11:08:24 +08:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Wed, 21 Feb 2024 19:38:03 +01:00

x86/apm_32: Remove dead function apm_get_battery_status()

This part was commented out 25 years ago in:

  commit d43c43b46ebfdb437b78206fcc1992c4d2e8c15e
  Author: linus1 <torvalds@...uxfoundation.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@...inos.cn>
Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Link: https://lore.kernel.org/r/20240126030824.579711-1-chentao@kylinos.cn
---
 arch/x86/kernel/apm_32.c | 29 -----------------------------
 1 file changed, 29 deletions(-)

diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 76a5ced..b37ab10 100644
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -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

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