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Subject[PATCH 11/17] ARM: davinci: da830: switch to using the clocksource driver
Date
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

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

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
arch/arm/mach-davinci/da830.c | 56 ++++++++++++++++++-----------------
1 file changed, 29 insertions(+), 27 deletions(-)

diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index ceb0417f10f6..0d81a8fdd9e6 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -20,7 +20,8 @@
#include <mach/cputype.h>
#include <mach/da8xx.h>
#include <mach/irqs.h>
-#include <mach/time.h>
+
+#include <clocksource/timer-davinci.h>

#include "mux.h"

@@ -769,32 +770,32 @@ int __init da830_register_gpio(void)
return da8xx_register_gpio(&da830_gpio_platform_data);
}

-static struct davinci_timer_instance da830_timer_instance[2] = {
- {
- .base = DA8XX_TIMER64P0_BASE,
- .bottom_irq = IRQ_DA8XX_TINT12_0,
- .top_irq = IRQ_DA8XX_TINT34_0,
- .cmp_off = DA830_CMP12_0,
- .cmp_irq = IRQ_DA830_T12CMPINT0_0,
+static const struct davinci_timer_cfg da830_timer_cfg = {
+ .reg = {
+ .start = DA8XX_TIMER64P0_BASE,
+ .end = DA8XX_TIMER64P0_BASE + SZ_4K,
+ .flags = IORESOURCE_MEM,
},
- {
- .base = DA8XX_TIMER64P1_BASE,
- .bottom_irq = IRQ_DA8XX_TINT12_1,
- .top_irq = IRQ_DA8XX_TINT34_1,
- .cmp_off = DA830_CMP12_0,
- .cmp_irq = IRQ_DA830_T12CMPINT0_1,
+ .irq = {
+ {
+ .start = IRQ_DA8XX_TINT12_0,
+ .end = IRQ_DA8XX_TINT12_0,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_DA8XX_TINT34_0,
+ .end = IRQ_DA8XX_TINT34_0,
+ .flags = IORESOURCE_IRQ,
+ },
},
-};
-
-/*
- * T0_BOT: Timer 0, bottom : Used for clock_event & clocksource
- * T0_TOP: Timer 0, top : Used by DSP
- * T1_BOT, T1_TOP: Timer 1, bottom & top: Used for watchdog timer
- */
-static struct davinci_timer_info da830_timer_info = {
- .timers = da830_timer_instance,
- .clockevent_id = T0_BOT,
- .clocksource_id = T0_BOT,
+ .cmp = {
+ .irq = {
+ .start = IRQ_DA830_T12CMPINT0_0,
+ .end = IRQ_DA830_T12CMPINT0_0,
+ .flags = IORESOURCE_IRQ,
+ },
+ .offset = DA830_CMP12_0,
+ }
};

static const struct davinci_soc_info davinci_soc_info_da830 = {
@@ -810,7 +811,6 @@ static const struct davinci_soc_info davinci_soc_info_da830 = {
.intc_type = DAVINCI_INTC_TYPE_CP_INTC,
.intc_irq_prios = da830_default_priorities,
.intc_irq_num = DA830_N_CP_INTC_IRQ,
- .timer_info = &da830_timer_info,
.emac_pdata = &da8xx_emac_pdata,
};

@@ -826,6 +826,7 @@ void __init da830_init_time(void)
{
void __iomem *pll;
struct clk *clk;
+ int rv;

clk_register_fixed_rate(NULL, "ref_clk", NULL, 0, DA830_REF_FREQ);

@@ -836,7 +837,8 @@ void __init da830_init_time(void)
clk = clk_get(NULL, "timer0");
WARN(IS_ERR(clk), "Unable to get the timer clock\n");

- davinci_timer_init(clk);
+ rv = davinci_timer_register(clk, &da830_timer_cfg);
+ WARN(rv, "Unable to register the timer: %d\n", rv);
}

static struct resource da830_psc0_resources[] = {
--
2.19.1
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