target/linux/brcm47xx/patches-3.6/500-ssb-add-function-to-return-number-of-gpio-lines.patch

   1 --- a/drivers/ssb/embedded.c
   2 +++ b/drivers/ssb/embedded.c
   3 @@ -171,6 +171,18 @@ u32 ssb_gpio_polarity(struct ssb_bus *bu
   4  }
   5  EXPORT_SYMBOL(ssb_gpio_polarity);
   6
   7 +int ssb_gpio_count(struct ssb_bus *bus)
   8 +{
   9 +       if (ssb_chipco_available(&bus->chipco))
  10 +               return SSB_GPIO_CHIPCO_LINES;
  11 +       else if (ssb_extif_available(&bus->extif))
  12 +               return SSB_GPIO_EXTIF_LINES;
  13 +       else
  14 +               SSB_WARN_ON(1);
  15 +       return 0;
  16 +}
  17 +EXPORT_SYMBOL(ssb_gpio_count);
  18 +
  19  #ifdef CONFIG_SSB_DRIVER_GIGE
  20  static int gige_pci_init_callback(struct ssb_bus *bus, unsigned long data)
  21  {
  22 --- a/include/linux/ssb/ssb_embedded.h
  23 +++ b/include/linux/ssb/ssb_embedded.h
  24 @@ -7,6 +7,9 @@
  25
  26  extern int ssb_watchdog_timer_set(struct ssb_bus *bus, u32 ticks);
  27
  28 +#define SSB_GPIO_EXTIF_LINES   5
  29 +#define SSB_GPIO_CHIPCO_LINES  16
  30 +
  31  /* Generic GPIO API */
  32  u32 ssb_gpio_in(struct ssb_bus *bus, u32 mask);
  33  u32 ssb_gpio_out(struct ssb_bus *bus, u32 mask, u32 value);
  34 @@ -14,5 +17,6 @@ u32 ssb_gpio_outen(struct ssb_bus *bus,
  35  u32 ssb_gpio_control(struct ssb_bus *bus, u32 mask, u32 value);
  36  u32 ssb_gpio_intmask(struct ssb_bus *bus, u32 mask, u32 value);
  37  u32 ssb_gpio_polarity(struct ssb_bus *bus, u32 mask, u32 value);
  38 +int ssb_gpio_count(struct ssb_bus *bus);
  39
  40  #endif /* LINUX_SSB_EMBEDDED_H_ */