From: Linus Walleij <linus.walleij@linaro.org>
Date: Fri, 10 Jan 2014 14:54:34 +0000 (+0100)
Subject: ARM: SP804: make Integrator/CP timer pick clock from DT
X-Git-Tag: firefly_0821_release~176^2~4128^2~10^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9cf31380598466a6ce1d95e68a3f89582eaddc13;p=firefly-linux-kernel-4.4.55.git

ARM: SP804: make Integrator/CP timer pick clock from DT

This modifies the SP804 driver so that the clock will be taken
from the device tree node for the timer.

Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Rob Herring <rob.herring@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/arch/arm/common/timer-sp.c b/arch/arm/common/timer-sp.c
index 53c6a26b633d..fd6bff0c5b96 100644
--- a/arch/arm/common/timer-sp.c
+++ b/arch/arm/common/timer-sp.c
@@ -271,10 +271,14 @@ static void __init integrator_cp_of_init(struct device_node *np)
 	void __iomem *base;
 	int irq;
 	const char *name = of_get_property(np, "compatible", NULL);
+	struct clk *clk;
 
 	base = of_iomap(np, 0);
 	if (WARN_ON(!base))
 		return;
+	clk = of_clk_get(np, 0);
+	if (WARN_ON(IS_ERR(clk)))
+		return;
 
 	/* Ensure timer is disabled */
 	writel(0, base + TIMER_CTRL);
@@ -283,13 +287,13 @@ static void __init integrator_cp_of_init(struct device_node *np)
 		goto err;
 
 	if (!init_count)
-		sp804_clocksource_init(base, name);
+		__sp804_clocksource_and_sched_clock_init(base, name, clk, 0);
 	else {
 		irq = irq_of_parse_and_map(np, 0);
 		if (irq <= 0)
 			goto err;
 
-		sp804_clockevents_init(base, irq, name);
+		__sp804_clockevents_init(base, irq, clk, name);
 	}
 
 	init_count++;