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Subject[2.6 patch] kill aux_device_present (fwd)
The patch forwarded below (slghtly adapted to an unrelated context 
change) still applies and compiles against 2.6.11-rc1-mm1.

Please apply.


----- Forwarded message from Adrian Bunk <bunk@stusta.de> -----
Date: Sat, 11 Dec 2004 23:00:12 +0100
From: Adrian Bunk <bunk@stusta.de>
To: linux-kernel@vger.kernel.org
Subject: [2.6 patch] kill aux_device_present

There's no reason for keeping a write-only variable.


diffstat output:
arch/alpha/kernel/setup.c | 2 --
arch/arm/kernel/setup.c | 2 --
arch/arm26/kernel/setup.c | 1 -
arch/cris/kernel/setup.c | 2 --
arch/i386/kernel/setup.c | 3 ---
arch/ia64/kernel/setup.c | 2 --
arch/ppc/kernel/setup.c | 1 -
arch/sh/kernel/setup.c | 1 -
arch/sh64/kernel/setup.c | 4 ----
arch/x86_64/kernel/setup.c | 3 ---
10 files changed, 21 deletions(-)

Signed-off-by: Adrian Bunk <bunk@stusta.de>

--- linux-2.6.10-rc2-mm4-full/arch/ppc/kernel/setup.c.old 2004-12-11 21:50:07.000000000 +0100
+++ linux-2.6.10-rc2-mm4-full/arch/ppc/kernel/setup.c 2004-12-11 21:50:13.000000000 +0100
@@ -55,7 +55,6 @@
extern void power4_idle(void);

extern boot_infos_t *boot_infos;
-unsigned char aux_device_present;
struct ide_machdep_calls ppc_ide_md;
char *sysmap;
unsigned long sysmap_size;
--- linux-2.6.10-rc2-mm4-full/arch/arm/kernel/setup.c.old 2004-12-11 21:50:33.000000000 +0100
+++ linux-2.6.10-rc2-mm4-full/arch/arm/kernel/setup.c 2004-12-11 21:50:37.000000000 +0100
@@ -91,8 +91,6 @@
struct cpu_cache_fns cpu_cache;
#endif

-unsigned char aux_device_present;
-
char elf_platform[ELF_PLATFORM_SIZE];
EXPORT_SYMBOL(elf_platform);

--- linux-2.6.10-rc2-mm4-full/arch/sh/kernel/setup.c.old 2004-12-11 21:50:44.000000000 +0100
+++ linux-2.6.10-rc2-mm4-full/arch/sh/kernel/setup.c 2004-12-11 21:50:47.000000000 +0100
@@ -43,7 +43,6 @@
*/
struct sh_cpuinfo boot_cpu_data = { CPU_SH_NONE, 0, 10000000, };
struct screen_info screen_info;
-unsigned char aux_device_present = 0xaa;

#if defined(CONFIG_SH_UNKNOWN)
struct sh_machine_vector sh_mv;
--- linux-2.6.10-rc2-mm4-full/arch/cris/kernel/setup.c.old 2004-12-11 21:50:54.000000000 +0100
+++ linux-2.6.10-rc2-mm4-full/arch/cris/kernel/setup.c 2004-12-11 21:50:58.000000000 +0100
@@ -26,8 +26,6 @@
struct drive_info_struct { char dummy[32]; } drive_info;
struct screen_info screen_info;

-unsigned char aux_device_present;
-
extern int root_mountflags;
extern char _etext, _edata, _end;

--- linux-2.6.10-rc2-mm4-full/arch/arm26/kernel/setup.c.old 2004-12-11 21:51:07.000000000 +0100
+++ linux-2.6.10-rc2-mm4-full/arch/arm26/kernel/setup.c 2004-12-11 21:51:12.000000000 +0100
@@ -74,7 +74,6 @@

struct processor processor;

-unsigned char aux_device_present;
char elf_platform[ELF_PLATFORM_SIZE];

unsigned long phys_initrd_start __initdata = 0;
--- linux-2.6.10-rc2-mm4-full/arch/ia64/kernel/setup.c.old 2004-12-11 21:51:21.000000000 +0100
+++ linux-2.6.10-rc2-mm4-full/arch/ia64/kernel/setup.c 2004-12-11 21:51:27.000000000 +0100
@@ -75,8 +75,6 @@
EXPORT_SYMBOL(io_space);
unsigned int num_io_spaces;

-unsigned char aux_device_present = 0xaa; /* XXX remove this when legacy I/O is gone */
-
/*
* The merge_mask variable needs to be set to (max(iommu_page_size(iommu)) - 1). This
* mask specifies a mask of address bits that must be 0 in order for two buffers to be
--- linux-2.6.10-rc2-mm4-full/arch/alpha/kernel/setup.c.old 2004-12-11 21:51:34.000000000 +0100
+++ linux-2.6.10-rc2-mm4-full/arch/alpha/kernel/setup.c 2004-12-11 21:51:45.000000000 +0100
@@ -110,8 +110,6 @@
int alpha_using_srm;
#endif

-unsigned char aux_device_present = 0xaa;
-
#define N(a) (sizeof(a)/sizeof(a[0]))

static struct alpha_machine_vector *get_sysvec(unsigned long, unsigned long,
--- linux-2.6.10-rc2-mm4-full/arch/sh64/kernel/setup.c.old 2004-12-11 21:51:53.000000000 +0100
+++ linux-2.6.10-rc2-mm4-full/arch/sh64/kernel/setup.c 2004-12-11 21:51:59.000000000 +0100
@@ -61,10 +61,6 @@

struct screen_info screen_info;

-/* On a PC this would be initialised as a result of the BIOS detecting the
- * mouse. */
-unsigned char aux_device_present = 0xaa;
-
#ifdef CONFIG_BLK_DEV_RAM
extern int rd_doload; /* 1 = load ramdisk, 0 = don't load */
extern int rd_prompt; /* 1 = prompt for ramdisk, 0 = don't prompt */
--- linux-2.6.10-rc2-mm4-full/arch/x86_64/kernel/setup.c.old 2004-12-11 21:52:07.000000000 +0100
+++ linux-2.6.10-rc2-mm4-full/arch/x86_64/kernel/setup.c 2004-12-11 21:52:12.000000000 +0100
@@ -100,8 +100,6 @@
struct edid_info edid_info;
struct e820map e820;

-unsigned char aux_device_present;
-
extern int root_mountflags;
extern char _text, _etext, _edata, _end;

@@ -452,7 +450,6 @@
drive_info = DRIVE_INFO;
screen_info = SCREEN_INFO;
edid_info = EDID_INFO;
- aux_device_present = AUX_DEVICE_INFO;
saved_video_mode = SAVED_VIDEO_MODE;

#ifdef CONFIG_BLK_DEV_RAM
--- linux-2.6.11-rc1-mm1-full/arch/i386/kernel/setup.c.old 2005-01-16 00:29:48.000000000 +0100
+++ linux-2.6.11-rc1-mm1-full/arch/i386/kernel/setup.c 2005-01-16 00:30:17.000000000 +0100
@@ -120,8 +120,6 @@
struct ist_info ist_info;
struct e820map e820;

-unsigned char aux_device_present;
-
extern void early_cpu_init(void);
extern void dmi_scan_machine(void);
extern void generic_apic_probe(char *);
@@ -1368,7 +1366,6 @@
machine_submodel_id = SYS_DESC_TABLE.table[1];
BIOS_revision = SYS_DESC_TABLE.table[2];
}
- aux_device_present = AUX_DEVICE_INFO;
bootloader_type = LOADER_TYPE;

#ifdef CONFIG_BLK_DEV_RAM
-
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