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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /arch/arm/mach-tegra/clock.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 8337068a4abe..8dad8d18cb49 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)