OSDN Git Service

ARM: 8250/1: sa1100: provide OSTIMER0 clock for pxa_timer
authorDmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Sun, 21 Dec 2014 15:07:43 +0000 (16:07 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 14 Jan 2015 11:28:22 +0000 (11:28 +0000)
Pxa_timer clocksource requires OSTIMER0 clock to be provided.
Add dummy clock returning proper rate.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mach-sa1100/clock.c

index 03c75a8..cbf53bb 100644 (file)
@@ -119,6 +119,17 @@ static DEFINE_CLK(gpio27, &clk_gpio27_ops);
 
 static DEFINE_CLK(cpu, &clk_cpu_ops);
 
+static unsigned long clk_36864_get_rate(struct clk *clk)
+{
+       return 3686400;
+}
+
+static struct clkops clk_36864_ops = {
+       .get_rate       = clk_36864_get_rate,
+};
+
+static DEFINE_CLK(36864, &clk_36864_ops);
+
 static struct clk_lookup sa11xx_clkregs[] = {
        CLKDEV_INIT("sa1111.0", NULL, &clk_gpio27),
        CLKDEV_INIT("sa1100-rtc", NULL, NULL),
@@ -126,6 +137,7 @@ static struct clk_lookup sa11xx_clkregs[] = {
        CLKDEV_INIT("sa11x0-pcmcia", NULL, &clk_cpu),
        /* sa1111 names devices using internal offsets, PCMCIA is at 0x1800 */
        CLKDEV_INIT("1800", NULL, &clk_cpu),
+       CLKDEV_INIT(NULL, "OSTIMER0", &clk_36864),
 };
 
 static int __init sa11xx_clk_init(void)