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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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