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clocksource: pass DT node pointer to init functions

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In cases where we have multiple nodes of the same type, we may need the
node pointer to know which node was matched. Passing the node pointer
also keeps the init function from having to match the node a 2nd time.

Update bcm2835, vt8500, and tegra20 init functions for the new function
prototype. Further tegra20 clean-ups are in follow-up commit.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Prisk <linux@prisktech.co.nz>
Tested-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Rob Herring
2013-02-06 14:40:22 -06:00
parent e0c2536238
commit effbfdd7ba
4 changed files with 5 additions and 28 deletions
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12
drivers/clocksource/bcm2835_timer.c
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@@ -95,23 +95,13 @@ static irqreturn_t bcm2835_time_interrupt(int irq, void *dev_id)
}
}
static struct of_device_id bcm2835_time_match[] __initconst = {
{ .compatible = "brcm,bcm2835-system-timer" },
{}
};
static void __init bcm2835_timer_init(void)
static void __init bcm2835_timer_init(struct device_node *node)
{
struct device_node *node;
void __iomem *base;
u32 freq;
int irq;
struct bcm2835_timer *timer;
node = of_find_matching_node(NULL, bcm2835_time_match);
if (!node)
panic("No bcm2835 timer node");
base = of_iomap(node, 0);
if (!base)
panic("Can't remap registers");