lkml.org 
[lkml]   [2005]   [Nov]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    Date
    From
    Subject[PATCH 14/15] misc: Configurable number of supported IDE interfaces
    Configurable number of supported IDE interfaces

    This overrides the default limit (which may be set per arch with
    CONFIG_IDE_MAX_HWIFS). This is the result of setting interfaces to 1:

    text data bss dec hex filename
    3330172 529036 190556 4049764 3dcb64 vmlinux-baseline
    3329352 528928 172124 4030404 3d7fc4 vmlinux

    Signed-off-by: Matt Mackall <mpm@selenic.com>

    Index: 2.6.14-misc/drivers/ide/setup-pci.c
    ===================================================================
    --- 2.6.14-misc.orig/drivers/ide/setup-pci.c 2005-10-27 17:02:08.000000000 -0700
    +++ 2.6.14-misc/drivers/ide/setup-pci.c 2005-11-09 11:27:23.000000000 -0800
    @@ -102,7 +102,7 @@ static ide_hwif_t *ide_match_hwif(unsign
    return hwif; /* pick an unused entry */
    }
    }
    - for (h = 0; h < 2; ++h) {
    + for (h = 0; h < 2 && h < MAX_HWIFS; ++h) {
    hwif = ide_hwifs + h;
    if (hwif->chipset == ide_unknown)
    return hwif; /* pick an unused entry */
    Index: 2.6.14-misc/include/linux/ide.h
    ===================================================================
    --- 2.6.14-misc.orig/include/linux/ide.h 2005-11-01 10:54:33.000000000 -0800
    +++ 2.6.14-misc/include/linux/ide.h 2005-11-09 11:27:23.000000000 -0800
    @@ -309,6 +309,11 @@ static inline void ide_init_hwif_ports(h
    }
    #endif /* IDE_ARCH_OBSOLETE_INIT */

    +#if defined(CONFIG_IDE_HWIFS) && CONFIG_IDE_HWIFS > 0
    +#undef MAX_HWIFS
    +#define MAX_HWIFS CONFIG_IDE_HWIFS
    +#endif
    +
    /* Currently only m68k, apus and m8xx need it */
    #ifndef IDE_ARCH_ACK_INTR
    # define ide_ack_intr(hwif) (1)
    Index: 2.6.14-misc/init/Kconfig
    ===================================================================
    --- 2.6.14-misc.orig/init/Kconfig 2005-11-09 11:27:20.000000000 -0800
    +++ 2.6.14-misc/init/Kconfig 2005-11-09 11:27:23.000000000 -0800
    @@ -457,6 +457,15 @@ config CC_ALIGN_JUMPS
    no dummy operations need be executed.
    Zero means use compiler's default.

    +config IDE_HWIFS
    + depends IDE
    + int "Number of IDE hardware interfaces (0 for default)" if EMBEDDED
    + range 0 20
    + default 0
    + help
    + Select the maximum number of IDE interfaces (0 for default).
    + Saves up to 14k.
    +
    endmenu # General setup

    config TINY_SHMEM
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/
    \
     
     \ /
      Last update: 2005-11-11 09:41    [W:0.044 / U:0.088 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site