clocksource/drivers/clps711x: Remove board support

Since board support for the CLPS711X platform was removed,
remove the board support from the clps711x-timer driver.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lkml.kernel.org/r/20181220111626.17140-1-shc_work@mail.ru

1 files changed, 13 insertions, 32 deletions

diff --git a/drivers/clocksource/clps711x-timer.c b/drivers/clocksource/clps711x-timer.c
index cdc251524f5e..857f8c086274 100644
--- a/drivers/clocksource/clps711x-timer.c
+++ b/drivers/clocksource/clps711x-timer.c
@@ -31,16 +31,9 @@ static u64 notrace clps711x_sched_clock_read(void)
         return ~readw(tcd);
 }
 
-static int __init _clps711x_clksrc_init(struct clk *clock, void __iomem *base)
+static void __init clps711x_clksrc_init(struct clk *clock, void __iomem *base)
 {
-        unsigned long rate;
-
-        if (!base)
-                return -ENOMEM;
-        if (IS_ERR(clock))
-                return PTR_ERR(clock);
-
-        rate = clk_get_rate(clock);
+        unsigned long rate = clk_get_rate(clock);
 
         tcd = base;
 
@@ -48,8 +41,6 @@ static int __init _clps711x_clksrc_init(struct clk *clock, void __iomem *base)
                               clocksource_mmio_readw_down);
 
         sched_clock_register(clps711x_sched_clock_read, 16, rate);
-
-        return 0;
 }
 
 static irqreturn_t clps711x_timer_interrupt(int irq, void *dev_id)
@@ -67,13 +58,6 @@ static int __init _clps711x_clkevt_init(struct clk *clock, void __iomem *base,
         struct clock_event_device *clkevt;
         unsigned long rate;
 
-        if (!irq)
-                return -EINVAL;
-        if (!base)
-                return -ENOMEM;
-        if (IS_ERR(clock))
-                return PTR_ERR(clock);
-
         clkevt = kzalloc(sizeof(*clkevt), GFP_KERNEL);
         if (!clkevt)
                 return -ENOMEM;
@@ -93,32 +77,29 @@ static int __init _clps711x_clkevt_init(struct clk *clock, void __iomem *base,
                            "clps711x-timer", clkevt);
 }
 
-static void __init clps711x_clksrc_init(void __iomem *tc1_base,
-                                        void __iomem *tc2_base,
-                                        unsigned int irq)
-{
-        struct clk *tc1 = clk_get_sys("clps711x-timer.0", NULL);
-        struct clk *tc2 = clk_get_sys("clps711x-timer.1", NULL);
-
-        BUG_ON(_clps711x_clksrc_init(tc1, tc1_base));
-        BUG_ON(_clps711x_clkevt_init(tc2, tc2_base, irq));
-}
-
-#ifdef CONFIG_TIMER_OF
 static int __init clps711x_timer_init(struct device_node *np)
 {
         unsigned int irq = irq_of_parse_and_map(np, 0);
         struct clk *clock = of_clk_get(np, 0);
         void __iomem *base = of_iomap(np, 0);
 
+        if (!base)
+                return -ENOMEM;
+        if (!irq)
+                return -EINVAL;
+        if (IS_ERR(clock))
+                return PTR_ERR(clock);
+
         switch (of_alias_get_id(np, "timer")) {
         case CLPS711X_CLKSRC_CLOCKSOURCE:
-                return _clps711x_clksrc_init(clock, base);
+                clps711x_clksrc_init(clock, base);
+                break;
         case CLPS711X_CLKSRC_CLOCKEVENT:
                 return _clps711x_clkevt_init(clock, base, irq);
         default:
                 return -EINVAL;
         }
+
+        return 0;
 }
 TIMER_OF_DECLARE(clps711x, "cirrus,ep7209-timer", clps711x_timer_init);
-#endif