target/linux/ixp4xx/patches-2.6.25/298-avila_rtc_fixup.patch

   1 diff -uprN linux-2.6.23.orig/arch/arm/mach-ixp4xx/avila-setup.c linux-2.6.23/arch/arm/mach-ixp4xx/avila-setup.c
   2 --- linux-2.6.23.orig/arch/arm/mach-ixp4xx/avila-setup.c        2007-10-09 15:31:38.000000000 -0500
   3 +++ linux-2.6.23/arch/arm/mach-ixp4xx/avila-setup.c     2007-10-11 01:08:21.000000000 -0500
   4 @@ -138,6 +138,35 @@ static struct platform_device *avila_dev
   5         &avila_uart
   6  };
   7
   8 +static char avila_rtc_probe[] __initdata = "rtc-ds1672.probe=0,0x68 ";
   9 +
  10 +static void __init avila_fixup(struct machine_desc *desc,
  11 +                struct tag *tags, char **cmdline, struct meminfo *mi)
  12 +{
  13 +    struct tag *t = tags;
  14 +    char *p = *cmdline;
  15 +
  16 +    /* Find the end of the tags table, taking note of any cmdline tag. */
  17 +    for (; t->hdr.size; t = tag_next(t)) {
  18 +        if (t->hdr.tag == ATAG_CMDLINE) {
  19 +            p = t->u.cmdline.cmdline;
  20 +        }
  21 +    }
  22 +
  23 +    /* Overwrite the end of the table with a new cmdline tag. */
  24 +    t->hdr.tag = ATAG_CMDLINE;
  25 +    t->hdr.size = (sizeof (struct tag_header) +
  26 +        strlen(avila_rtc_probe) + strlen(p) + 1 + 4) >> 2;
  27 +    strlcpy(t->u.cmdline.cmdline, avila_rtc_probe, COMMAND_LINE_SIZE);
  28 +    strlcpy(t->u.cmdline.cmdline + strlen(avila_rtc_probe), p,
  29 +        COMMAND_LINE_SIZE - strlen(avila_rtc_probe));
  30 +
  31 +    /* Terminate the table. */
  32 +    t = tag_next(t);
  33 +    t->hdr.tag = ATAG_NONE;
  34 +    t->hdr.size = 0;
  35 +}
  36 +
  37  static void __init avila_init(void)
  38  {
  39         ixp4xx_sys_init();
  40 @@ -165,6 +194,7 @@ MACHINE_START(AVILA, "Gateworks Avila Ne
  41         /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
  42         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
  43         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
  44 +       .fixup          = avila_fixup,
  45         .map_io         = ixp4xx_map_io,
  46         .init_irq       = ixp4xx_init_irq,
  47         .timer          = &ixp4xx_timer,
  48 @@ -182,6 +212,7 @@ MACHINE_START(LOFT, "Giant Shoulder Inc
  49         /* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */
  50         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
  51         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
  52 +       .fixup          = avila_fixup,
  53         .map_io         = ixp4xx_map_io,
  54         .init_irq       = ixp4xx_init_irq,
  55         .timer          = &ixp4xx_timer,