From: Adrian Bunk <bunk@stusta.de>
Date: Tue, 28 Mar 2006 09:56:43 +0000 (-0800)
Subject: [PATCH] arch/i386/kernel/microcode.c: remove the obsolete microcode_ioctl
X-Git-Tag: firefly_0821_release~36647
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f45e4656ac0609437267b242953c07d523649f8d;p=firefly-linux-kernel-4.4.55.git

[PATCH] arch/i386/kernel/microcode.c: remove the obsolete microcode_ioctl

Nowadays, even Debian stable ships a microcode_ctl utility recent enough to no
longer use this ioctl.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Tigran Aivazian <tigran_aivazian@symantec.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/Documentation/ioctl-number.txt b/Documentation/ioctl-number.txt
index aa7ba00ec082..171a44ebd939 100644
--- a/Documentation/ioctl-number.txt
+++ b/Documentation/ioctl-number.txt
@@ -78,8 +78,6 @@ Code	Seq#	Include File		Comments
 '#'	00-3F	IEEE 1394 Subsystem	Block for the entire subsystem
 '1'	00-1F	<linux/timepps.h>	PPS kit from Ulrich Windl
 					<ftp://ftp.de.kernel.org/pub/linux/daemons/ntp/PPS/>
-'6'	00-10	<asm-i386/processor.h>	Intel IA32 microcode update driver
-					<mailto:tigran@veritas.com>
 '8'	all				SNP8023 advanced NIC card
 					<mailto:mcr@solidum.com>
 'A'	00-1F	linux/apm_bios.h
diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c
index dd780a00553f..e7c138f66c5a 100644
--- a/arch/i386/kernel/microcode.c
+++ b/arch/i386/kernel/microcode.c
@@ -459,26 +459,9 @@ static ssize_t microcode_write (struct file *file, const char __user *buf, size_
 	return ret;
 }
 
-static int microcode_ioctl (struct inode *inode, struct file *file, 
-		unsigned int cmd, unsigned long arg)
-{
-	switch (cmd) {
-		/* 
-		 *  XXX: will be removed after microcode_ctl 
-		 *  is updated to ignore failure of this ioctl()
-		 */
-		case MICROCODE_IOCFREE:
-			return 0;
-		default:
-			return -EINVAL;
-	}
-	return -EINVAL;
-}
-
 static struct file_operations microcode_fops = {
 	.owner		= THIS_MODULE,
 	.write		= microcode_write,
-	.ioctl		= microcode_ioctl,
 	.open		= microcode_open,
 };
 
diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h
index af4bfd012475..805f0dcda468 100644
--- a/include/asm-i386/processor.h
+++ b/include/asm-i386/processor.h
@@ -621,8 +621,6 @@ struct extended_sigtable {
 	unsigned int reserved[3];
 	struct extended_signature sigs[0];
 };
-/* '6' because it used to be for P6 only (but now covers Pentium 4 as well) */
-#define MICROCODE_IOCFREE	_IO('6',0)
 
 /* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
 static inline void rep_nop(void)
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index 1aa2cee43344..37a3ec433ee5 100644
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -358,9 +358,6 @@ struct extended_sigtable {
 	struct extended_signature sigs[0];
 };
 
-/* '6' because it used to be for P6 only (but now covers Pentium 4 as well) */
-#define MICROCODE_IOCFREE	_IO('6',0)
-
 
 #define ASM_NOP1 K8_NOP1
 #define ASM_NOP2 K8_NOP2