[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 aa7ba00..171a44e 100644 (file)
--- 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 dd780a0..e7c138f 100644 (file)
--- 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 af4bfd0..805f0dc 100644 (file)
--- 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 1aa2cee..37a3ec4 100644 (file)
--- 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