ARM: davinci: da850: switch to using the clocksource driver

We now have a proper clocksource driver for davinci. Switch the da850
platform to using it.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index dcf3536c46bca1b9e86ac1d8531934cba08833f9..73b7cc53f966843b68efe701e164195b4a582422 100644 (file)
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -35,7 +35,8 @@
 #include <mach/cputype.h>
 #include <mach/da8xx.h>
 #include <mach/pm.h>
-#include <mach/time.h>
+
+#include <clocksource/timer-davinci.h>
 
 #include "irqs.h"
 #include "mux.h"
@@ -333,38 +334,16 @@ static struct davinci_id da850_ids[] = {
        },
 };
 
-static struct davinci_timer_instance da850_timer_instance[4] = {
-       {
-               .base           = DA8XX_TIMER64P0_BASE,
-               .bottom_irq     = DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_0),
-               .top_irq        = DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_0),
-       },
-       {
-               .base           = DA8XX_TIMER64P1_BASE,
-               .bottom_irq     = DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_1),
-               .top_irq        = DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_1),
-       },
-       {
-               .base           = DA850_TIMER64P2_BASE,
-               .bottom_irq     = DAVINCI_INTC_IRQ(IRQ_DA850_TINT12_2),
-               .top_irq        = DAVINCI_INTC_IRQ(IRQ_DA850_TINT34_2),
-       },
-       {
-               .base           = DA850_TIMER64P3_BASE,
-               .bottom_irq     = DAVINCI_INTC_IRQ(IRQ_DA850_TINT12_3),
-               .top_irq        = DAVINCI_INTC_IRQ(IRQ_DA850_TINT34_3),
-       },
-};
-
 /*
- * T0_BOT: Timer 0, bottom             : Used for clock_event
- * T0_TOP: Timer 0, top                        : Used for clocksource
- * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
+ * Bottom half of timer 0 is used for clock_event, top half for
+ * clocksource.
  */
-static struct davinci_timer_info da850_timer_info = {
-       .timers         = da850_timer_instance,
-       .clockevent_id  = T0_BOT,
-       .clocksource_id = T0_TOP,
+static const struct davinci_timer_cfg da850_timer_cfg = {
+       .reg = DEFINE_RES_IO(DA8XX_TIMER64P0_BASE, SZ_4K),
+       .irq = {
+               DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT12_0)),
+               DEFINE_RES_IRQ(DAVINCI_INTC_IRQ(IRQ_DA8XX_TINT34_0)),
+       },
 };
 
 #ifdef CONFIG_CPU_FREQ
@@ -635,7 +614,6 @@ static const struct davinci_soc_info davinci_soc_info_da850 = {
        .pinmux_base            = DA8XX_SYSCFG0_BASE + 0x120,
        .pinmux_pins            = da850_pins,
        .pinmux_pins_num        = ARRAY_SIZE(da850_pins),
-       .timer_info             = &da850_timer_info,
        .emac_pdata             = &da8xx_emac_pdata,
        .sram_dma               = DA8XX_SHARED_RAM_BASE,
        .sram_len               = SZ_128K,
@@ -672,6 +650,7 @@ void __init da850_init_time(void)
        void __iomem *pll0;
        struct regmap *cfgchip;
        struct clk *clk;
+       int rv;
 
        clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DA850_REF_FREQ);
 
@@ -686,7 +665,8 @@ void __init da850_init_time(void)
                return;
        }
 
-       davinci_timer_init(clk);
+       rv = davinci_timer_register(clk, &da850_timer_cfg);
+       WARN(rv, "Unable to register the timer: %d\n", rv);
 }
 
 static struct resource da850_pll1_resources[] = {