target/linux/bmips/patches-5.10/204-wdt-bcm7038-add-big-endian-compatibility.patch

   1 --- a/drivers/watchdog/bcm7038_wdt.c
   2 +++ b/drivers/watchdog/bcm7038_wdt.c
   3 @@ -34,6 +34,24 @@ struct bcm7038_watchdog {
   4
   5  static bool nowayout = WATCHDOG_NOWAYOUT;
   6
   7 +static inline void bcm7038_wdt_write(unsigned long data, void __iomem *reg)
   8 +{
   9 +#ifdef CONFIG_CPU_BIG_ENDIAN
  10 +       iowrite32be(data, reg);
  11 +#else
  12 +       writel(data, reg);
  13 +#endif
  14 +}
  15 +
  16 +static inline unsigned long bcm7038_wdt_read(void __iomem *reg)
  17 +{
  18 +#ifdef CONFIG_CPU_BIG_ENDIAN
  19 +       return ioread32be(reg);
  20 +#else
  21 +       return readl(reg);
  22 +#endif
  23 +}
  24 +
  25  static void bcm7038_wdt_set_timeout_reg(struct watchdog_device *wdog)
  26  {
  27         struct bcm7038_watchdog *wdt = watchdog_get_drvdata(wdog);
  28 @@ -41,15 +59,15 @@ static void bcm7038_wdt_set_timeout_reg(
  29
  30         timeout = wdt->rate * wdog->timeout;
  31
  32 -       writel(timeout, wdt->base + WDT_TIMEOUT_REG);
  33 +       bcm7038_wdt_write(timeout, wdt->base + WDT_TIMEOUT_REG);
  34  }
  35
  36  static int bcm7038_wdt_ping(struct watchdog_device *wdog)
  37  {
  38         struct bcm7038_watchdog *wdt = watchdog_get_drvdata(wdog);
  39
  40 -       writel(WDT_START_1, wdt->base + WDT_CMD_REG);
  41 -       writel(WDT_START_2, wdt->base + WDT_CMD_REG);
  42 +       bcm7038_wdt_write(WDT_START_1, wdt->base + WDT_CMD_REG);
  43 +       bcm7038_wdt_write(WDT_START_2, wdt->base + WDT_CMD_REG);
  44
  45         return 0;
  46  }
  47 @@ -66,8 +84,8 @@ static int bcm7038_wdt_stop(struct watch
  48  {
  49         struct bcm7038_watchdog *wdt = watchdog_get_drvdata(wdog);
  50
  51 -       writel(WDT_STOP_1, wdt->base + WDT_CMD_REG);
  52 -       writel(WDT_STOP_2, wdt->base + WDT_CMD_REG);
  53 +       bcm7038_wdt_write(WDT_STOP_1, wdt->base + WDT_CMD_REG);
  54 +       bcm7038_wdt_write(WDT_STOP_2, wdt->base + WDT_CMD_REG);
  55
  56         return 0;
  57  }
  58 @@ -88,7 +106,7 @@ static unsigned int bcm7038_wdt_get_time
  59         struct bcm7038_watchdog *wdt = watchdog_get_drvdata(wdog);
  60         u32 time_left;
  61
  62 -       time_left = readl(wdt->base + WDT_CMD_REG);
  63 +       time_left = bcm7038_wdt_read(wdt->base + WDT_CMD_REG);
  64
  65         return time_left / wdt->rate;
  66  }