target/linux/ixp4xx/patches-2.6.23/298-avila_rtc_fixup.patch

   1 Index: linux-2.6.23.17/arch/arm/mach-ixp4xx/avila-setup.c
   2 ===================================================================
   3 --- linux-2.6.23.17.orig/arch/arm/mach-ixp4xx/avila-setup.c
   4 +++ linux-2.6.23.17/arch/arm/mach-ixp4xx/avila-setup.c
   5 @@ -165,6 +165,35 @@ static struct platform_device *avila_dev
   6         &avila_eth[1],
   7  };
   8
   9 +static char avila_rtc_probe[] __initdata = "rtc-ds1672.probe=0,0x68 ";
  10 +
  11 +static void __init avila_fixup(struct machine_desc *desc,
  12 +                struct tag *tags, char **cmdline, struct meminfo *mi)
  13 +{
  14 +    struct tag *t = tags;
  15 +    char *p = *cmdline;
  16 +
  17 +    /* Find the end of the tags table, taking note of any cmdline tag. */
  18 +    for (; t->hdr.size; t = tag_next(t)) {
  19 +        if (t->hdr.tag == ATAG_CMDLINE) {
  20 +            p = t->u.cmdline.cmdline;
  21 +        }
  22 +    }
  23 +
  24 +    /* Overwrite the end of the table with a new cmdline tag. */
  25 +    t->hdr.tag = ATAG_CMDLINE;
  26 +    t->hdr.size = (sizeof (struct tag_header) +
  27 +        strlen(avila_rtc_probe) + strlen(p) + 1 + 4) >> 2;
  28 +    strlcpy(t->u.cmdline.cmdline, avila_rtc_probe, COMMAND_LINE_SIZE);
  29 +    strlcpy(t->u.cmdline.cmdline + strlen(avila_rtc_probe), p,
  30 +        COMMAND_LINE_SIZE - strlen(avila_rtc_probe));
  31 +
  32 +    /* Terminate the table. */
  33 +    t = tag_next(t);
  34 +    t->hdr.tag = ATAG_NONE;
  35 +    t->hdr.size = 0;
  36 +}
  37 +
  38  static void __init avila_init(void)
  39  {
  40         ixp4xx_sys_init();
  41 @@ -192,6 +221,7 @@ MACHINE_START(AVILA, "Gateworks Avila Ne
  42         /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
  43         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
  44         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
  45 +       .fixup          = avila_fixup,
  46         .map_io         = ixp4xx_map_io,
  47         .init_irq       = ixp4xx_init_irq,
  48         .timer          = &ixp4xx_timer,
  49 @@ -209,6 +239,7 @@ MACHINE_START(LOFT, "Giant Shoulder Inc
  50         /* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */
  51         .phys_io        = IXP4XX_PERIPHERAL_BASE_PHYS,
  52         .io_pg_offst    = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
  53 +       .fixup          = avila_fixup,
  54         .map_io         = ixp4xx_map_io,
  55         .init_irq       = ixp4xx_init_irq,
  56         .timer          = &ixp4xx_timer,