target/linux/brcm63xx/patches-3.18/378-MIPS-BCM63XX-calculate-labels-for-DT-registered-cont.patch

   1 From e55892aac9d5508a000647ca66f0e678e02be3bb Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jogo@openwrt.org>
   3 Date: Sat, 21 Feb 2015 17:26:50 +0100
   4 Subject: [PATCH 5/6] MIPS: BCM63XX: calculate labels for DT registered
   5  controllers
   6
   7
   8 Signed-off-by: Jonas Gorski <jogo@openwrt.org>
   9 ---
  10  arch/mips/bcm63xx/gpio.c |   16 +++++++++++++---
  11  1 file changed, 13 insertions(+), 3 deletions(-)
  12
  13 --- a/arch/mips/bcm63xx/gpio.c
  14 +++ b/arch/mips/bcm63xx/gpio.c
  15 @@ -20,6 +20,8 @@
  16  #include <bcm63xx_gpio.h>
  17  #include <bcm63xx_regs.h>
  18
  19 +#include "boards/board_common.h"
  20 +
  21  /* for registering lookups; make them large enough to hold OF names */
  22  static char *gpio_chip_labels[] = {
  23         "xxxxxxxx.gpio-controller",
  24 @@ -49,9 +51,17 @@ static void __init bcm63xx_gpio_init_one
  25         pdata.base = id * 32;
  26         pdata.ngpio = ngpio;
  27
  28 -       sprintf(gpio_chip_labels[id], "bcm63xx-gpio.%d", id);
  29 -       platform_device_register_resndata(NULL, "bcm63xx-gpio", id, res, 2,
  30 -                                         &pdata, sizeof(pdata));
  31 +       if (board_of_device_present("gpio0")) {
  32 +               unsigned long base = res[0].start;
  33 +
  34 +               if (base < 0xf0000000U)
  35 +                       base = CPHYSADDR(base);
  36 +               sprintf(gpio_chip_labels[id], "%lx.gpio-controller", base);
  37 +       } else {
  38 +               sprintf(gpio_chip_labels[id], "bcm63xx-gpio.%d", id);
  39 +               platform_device_register_resndata(NULL, "bcm63xx-gpio", id, res,
  40 +                                                 2, &pdata, sizeof(pdata));
  41 +       }
  42  }
  43
  44  int __init bcm63xx_gpio_init(void)