Prev: [PATCH 31/33] Removing dead MACH_U300_BS26
Next: [PATCH 27/33] Removing dead IDE_PXA_CF
From: Christoph Egger on 30 Jun 2010 12:10
MACH_U300_USE_I2S_AS_MASTER doesn't exist in Kconfig, therefore
removing all references for it from the source code.

Signed-off-by: Christoph Egger <siccegge(a)cs.fau.de>
---
arch/arm/mach-u300/clock.c | 91 --------------------------------------------
1 files changed, 0 insertions(+), 91 deletions(-)

diff --git a/arch/arm/mach-u300/clock.c b/arch/arm/mach-u300/clock.c
index 5af71d5..80972a0 100644
--- a/arch/arm/mach-u300/clock.c
+++ b/arch/arm/mach-u300/clock.c
@@ -216,85 +216,6 @@ static u16 syscon_clk_get_rate(void)
return val;
}

-#ifdef CONFIG_MACH_U300_USE_I2S_AS_MASTER
-static void enable_i2s0_vcxo(void)
-{
- u16 val;
- unsigned long iflags;
-
- spin_lock_irqsave(&syscon_clkreg_lock, iflags);
- /* Set I2S0 to use the VCXO 26 MHz clock */
- val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
- val |= U300_SYSCON_CCR_TURN_VCXO_ON;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
- val |= U300_SYSCON_CCR_I2S0_USE_VCXO;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
- val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
- val |= U300_SYSCON_CEFR_I2S0_CLK_EN;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
- spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
-}
-
-static void enable_i2s1_vcxo(void)
-{
- u16 val;
- unsigned long iflags;
-
- spin_lock_irqsave(&syscon_clkreg_lock, iflags);
- /* Set I2S1 to use the VCXO 26 MHz clock */
- val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
- val |= U300_SYSCON_CCR_TURN_VCXO_ON;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
- val |= U300_SYSCON_CCR_I2S1_USE_VCXO;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
- val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
- val |= U300_SYSCON_CEFR_I2S1_CLK_EN;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
- spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
-}
-
-static void disable_i2s0_vcxo(void)
-{
- u16 val;
- unsigned long iflags;
-
- spin_lock_irqsave(&syscon_clkreg_lock, iflags);
- /* Disable I2S0 use of the VCXO 26 MHz clock */
- val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
- val &= ~U300_SYSCON_CCR_I2S0_USE_VCXO;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
- /* Deactivate VCXO if noone else is using VCXO */
- if (!(val & U300_SYSCON_CCR_I2S1_USE_VCXO))
- val &= ~U300_SYSCON_CCR_TURN_VCXO_ON;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
- val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
- val &= ~U300_SYSCON_CEFR_I2S0_CLK_EN;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
- spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
-}
-
-static void disable_i2s1_vcxo(void)
-{
- u16 val;
- unsigned long iflags;
-
- spin_lock_irqsave(&syscon_clkreg_lock, iflags);
- /* Disable I2S1 use of the VCXO 26 MHz clock */
- val = readw(U300_SYSCON_VBASE + U300_SYSCON_CCR);
- val &= ~U300_SYSCON_CCR_I2S1_USE_VCXO;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
- /* Deactivate VCXO if noone else is using VCXO */
- if (!(val & U300_SYSCON_CCR_I2S0_USE_VCXO))
- val &= ~U300_SYSCON_CCR_TURN_VCXO_ON;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CCR);
- val = readw(U300_SYSCON_VBASE + U300_SYSCON_CEFR);
- val &= ~U300_SYSCON_CEFR_I2S0_CLK_EN;
- writew(val, U300_SYSCON_VBASE + U300_SYSCON_CEFR);
- spin_unlock_irqrestore(&syscon_clkreg_lock, iflags);
-}
-#endif /* CONFIG_MACH_U300_USE_I2S_AS_MASTER */
-
-
static void syscon_clk_rate_set_mclk(unsigned long rate)
{
u16 val;
@@ -383,12 +304,6 @@ void clk_disable(struct clk *clk)
if (likely((u32)clk->parent))
clk_disable(clk->parent);
}
-#ifdef CONFIG_MACH_U300_USE_I2S_AS_MASTER
- if (unlikely(!strcmp(clk->name, "I2S0")))
- disable_i2s0_vcxo();
- if (unlikely(!strcmp(clk->name, "I2S1")))
- disable_i2s1_vcxo();
-#endif
spin_unlock_irqrestore(&clk->lock, iflags);
}
EXPORT_SYMBOL(clk_disable);
@@ -411,12 +326,6 @@ int clk_enable(struct clk *clk)
/* clocks without enable function are always on */
if (clk->enable)
clk->enable(clk);
-#ifdef CONFIG_MACH_U300_USE_I2S_AS_MASTER
- if (unlikely(!strcmp(clk->name, "I2S0")))
- enable_i2s0_vcxo();
- if (unlikely(!strcmp(clk->name, "I2S1")))
- enable_i2s1_vcxo();
-#endif
}
}
spin_unlock_irqrestore(&clk->lock, iflags);
--
1.7.0.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo(a)vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
 | 
Pages: 1
Prev: [PATCH 31/33] Removing dead MACH_U300_BS26
Next: [PATCH 27/33] Removing dead IDE_PXA_CF