[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>

4 files changed, 0 insertions, 24 deletions

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