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authorPaul Mundt <lethal@linux-sh.org>2012-03-28 13:53:10 +0900
committerPaul Mundt <lethal@linux-sh.org>2012-03-28 13:53:10 +0900
commit18af30e259c25a64ad69bb749c661564bc886275 (patch)
tree996c89594fd20f25fcc15b5843625d99473f6982 /arch/arm/mach-tegra/clock.c
parent691c01c3f0b3252308162de90edcd02f7ca1733c (diff)
parent6658a6991cef75719a21441aa0b7f8d6821534ee (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest
Diffstat (limited to 'arch/arm/mach-tegra/clock.c')
-rw-r--r--arch/arm/mach-tegra/clock.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c
index 8337068a4ab..8dad8d18cb4 100644
--- a/arch/arm/mach-tegra/clock.c
+++ b/arch/arm/mach-tegra/clock.c
@@ -399,6 +399,28 @@ void tegra_periph_reset_assert(struct clk *c)
}
EXPORT_SYMBOL(tegra_periph_reset_assert);
+/* Several extended clock configuration bits (e.g., clock routing, clock
+ * phase control) are included in PLL and peripheral clock source
+ * registers. */
+int tegra_clk_cfg_ex(struct clk *c, enum tegra_clk_ex_param p, u32 setting)
+{
+ int ret = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&c->spinlock, flags);
+
+ if (!c->ops || !c->ops->clk_cfg_ex) {
+ ret = -ENOSYS;
+ goto out;
+ }
+ ret = c->ops->clk_cfg_ex(c, p, setting);
+
+out:
+ spin_unlock_irqrestore(&c->spinlock, flags);
+
+ return ret;
+}
+
#ifdef CONFIG_DEBUG_FS
static int __clk_lock_all_spinlocks(void)