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-rw-r--r--arch/arm/mach-tegra/clock.c20
-rw-r--r--arch/arm/mach-tegra/clock.h3
-rw-r--r--arch/arm/mach-tegra/include/mach/clk.h2
-rw-r--r--arch/arm/mach-tegra/tegra2_clocks.c17
4 files changed, 10 insertions, 32 deletions
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c
index f8d41ffc0ca9..a8f359d8ae17 100644
--- a/arch/arm/mach-tegra/clock.c
+++ b/arch/arm/mach-tegra/clock.c
@@ -387,13 +387,15 @@ EXPORT_SYMBOL(tegra_clk_init_from_table);
void tegra_periph_reset_deassert(struct clk *c)
{
- tegra2_periph_reset_deassert(c);
+ BUG_ON(!c->ops->reset);
+ c->ops->reset(c, false);
}
EXPORT_SYMBOL(tegra_periph_reset_deassert);
void tegra_periph_reset_assert(struct clk *c)
{
- tegra2_periph_reset_assert(c);
+ BUG_ON(!c->ops->reset);
+ c->ops->reset(c, true);
}
EXPORT_SYMBOL(tegra_periph_reset_assert);
@@ -402,20 +404,6 @@ void __init tegra_init_clock(void)
tegra2_init_clocks();
}
-/*
- * The SDMMC controllers have extra bits in the clock source register that
- * adjust the delay between the clock and data to compenstate for delays
- * on the PCB.
- */
-void tegra_sdmmc_tap_delay(struct clk *c, int delay)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&c->spinlock, flags);
- tegra2_sdmmc_tap_delay(c, delay);
- spin_unlock_irqrestore(&c->spinlock, flags);
-}
-
#ifdef CONFIG_DEBUG_FS
static int __clk_lock_all_spinlocks(void)
diff --git a/arch/arm/mach-tegra/clock.h b/arch/arm/mach-tegra/clock.h
index 688316abc64e..8c18e81a9f56 100644
--- a/arch/arm/mach-tegra/clock.h
+++ b/arch/arm/mach-tegra/clock.h
@@ -146,8 +146,6 @@ struct tegra_clk_init_table {
};
void tegra2_init_clocks(void);
-void tegra2_periph_reset_deassert(struct clk *c);
-void tegra2_periph_reset_assert(struct clk *c);
void clk_init(struct clk *clk);
struct clk *tegra_get_clock_by_name(const char *name);
unsigned long clk_measure_input_freq(void);
@@ -155,6 +153,5 @@ int clk_reparent(struct clk *c, struct clk *parent);
void tegra_clk_init_from_table(struct tegra_clk_init_table *table);
unsigned long clk_get_rate_locked(struct clk *c);
int clk_set_rate_locked(struct clk *c, unsigned long rate);
-void tegra2_sdmmc_tap_delay(struct clk *c, int delay);
#endif
diff --git a/arch/arm/mach-tegra/include/mach/clk.h b/arch/arm/mach-tegra/include/mach/clk.h
index c8baf8f80d23..fc3ecb66de08 100644
--- a/arch/arm/mach-tegra/include/mach/clk.h
+++ b/arch/arm/mach-tegra/include/mach/clk.h
@@ -26,6 +26,6 @@ void tegra_periph_reset_deassert(struct clk *c);
void tegra_periph_reset_assert(struct clk *c);
unsigned long clk_get_rate_all_locked(struct clk *c);
-void tegra_sdmmc_tap_delay(struct clk *c, int delay);
+void tegra2_sdmmc_tap_delay(struct clk *c, int delay);
#endif
diff --git a/arch/arm/mach-tegra/tegra2_clocks.c b/arch/arm/mach-tegra/tegra2_clocks.c
index 371869d8ea01..c78abab86253 100644
--- a/arch/arm/mach-tegra/tegra2_clocks.c
+++ b/arch/arm/mach-tegra/tegra2_clocks.c
@@ -278,18 +278,6 @@ static struct clk_ops tegra_clk_m_ops = {
.disable = tegra2_clk_m_disable,
};
-void tegra2_periph_reset_assert(struct clk *c)
-{
- BUG_ON(!c->ops->reset);
- c->ops->reset(c, true);
-}
-
-void tegra2_periph_reset_deassert(struct clk *c)
-{
- BUG_ON(!c->ops->reset);
- c->ops->reset(c, false);
-}
-
/* super clock functions */
/* "super clocks" on tegra have two-stage muxes and a clock skipping
* super divider. We will ignore the clock skipping divider, since we
@@ -1132,6 +1120,9 @@ static struct clk_ops tegra_periph_clk_ops = {
void tegra2_sdmmc_tap_delay(struct clk *c, int delay)
{
u32 reg;
+ unsigned long flags;
+
+ spin_lock_irqsave(&c->spinlock, flags);
delay = clamp(delay, 0, 15);
reg = clk_readl(c->reg);
@@ -1139,6 +1130,8 @@ void tegra2_sdmmc_tap_delay(struct clk *c, int delay)
reg |= SDMMC_CLK_INT_FB_SEL;
reg |= delay << SDMMC_CLK_INT_FB_DLY_SHIFT;
clk_writel(reg, c->reg);
+
+ spin_unlock_irqrestore(&c->spinlock, flags);
}
/* External memory controller clock ops */