target/linux/brcm47xx/patches-3.14/128-MIPS-BCM47XX-Add-new-file-for-device-specific-workar.patch

   1 From 1f3e1c682a0b5273e3ee8799b54319971f426e6a Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
   3 Date: Wed, 29 Jan 2014 18:06:52 +0100
   4 Subject: [RFC V2][PATCH] MIPS: BCM47XX: Add new file for device specific workarounds
   5
   6 ---
   7 V2: Drop pr_debug for devices we don't need workarounds for. It was too
   8     load and not useful at all.
   9 ---
  10  arch/mips/bcm47xx/Makefile          |  2 +-
  11  arch/mips/bcm47xx/bcm47xx_private.h |  3 +++
  12  arch/mips/bcm47xx/setup.c           |  1 +
  13  arch/mips/bcm47xx/workarounds.c     | 25 +++++++++++++++++++++++++
  14  4 files changed, 30 insertions(+), 1 deletion(-)
  15  create mode 100644 arch/mips/bcm47xx/workarounds.c
  16
  17 --- a/arch/mips/bcm47xx/Makefile
  18 +++ b/arch/mips/bcm47xx/Makefile
  19 @@ -4,4 +4,4 @@
  20  #
  21
  22  obj-y                          += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
  23 -obj-y                          += board.o buttons.o leds.o
  24 +obj-y                          += board.o buttons.o leds.o workarounds.o
  25 --- a/arch/mips/bcm47xx/bcm47xx_private.h
  26 +++ b/arch/mips/bcm47xx/bcm47xx_private.h
  27 @@ -9,4 +9,7 @@ int __init bcm47xx_buttons_register(void
  28  /* leds.c */
  29  void __init bcm47xx_leds_register(void);
  30
  31 +/* workarounds.c */
  32 +void __init bcm47xx_workarounds(void);
  33 +
  34  #endif
  35 --- a/arch/mips/bcm47xx/setup.c
  36 +++ b/arch/mips/bcm47xx/setup.c
  37 @@ -286,6 +286,7 @@ static int __init bcm47xx_register_bus_c
  38         }
  39         bcm47xx_buttons_register();
  40         bcm47xx_leds_register();
  41 +       bcm47xx_workarounds();
  42
  43         fixed_phy_add(PHY_POLL, 0, &bcm47xx_fixed_phy_status);
  44         return 0;
  45 --- /dev/null
  46 +++ b/arch/mips/bcm47xx/workarounds.c
  47 @@ -0,0 +1,31 @@
  48 +#include "bcm47xx_private.h"
  49 +
  50 +#include <linux/gpio.h>
  51 +#include <bcm47xx_board.h>
  52 +#include <bcm47xx.h>
  53 +
  54 +static void __init bcm47xx_workarounds_netgear_wnr3500l(void)
  55 +{
  56 +       const int usb_power = 12;
  57 +       int err;
  58 +
  59 +       err = gpio_request_one(usb_power, GPIOF_OUT_INIT_HIGH, "usb_power");
  60 +       if (err)
  61 +               pr_err("Failed to request USB power gpio: %d\n", err);
  62 +       else
  63 +               gpio_free(usb_power);
  64 +}
  65 +
  66 +void __init bcm47xx_workarounds(void)
  67 +{
  68 +       enum bcm47xx_board board = bcm47xx_board_get();
  69 +
  70 +       switch (board) {
  71 +       case BCM47XX_BOARD_NETGEAR_WNR3500L:
  72 +               bcm47xx_workarounds_netgear_wnr3500l();
  73 +               break;
  74 +       default:
  75 +               /* No workaround(s) needed */
  76 +               break;
  77 +       }
  78 +}