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From 7b781d1a67486a2ae50c174731ca1daebf381ab4 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <festevam@gmail.com>
Date: Fri, 23 Mar 2012 13:13:49 -0300
Subject: [PATCH] ARM: mx28: Remove CPUFREQ support
When using CPUFREQ driver with the mainline U-boot, the kernel hangs.
Remove CPUFREQ support for now.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
arch/arm/configs/imx28evk_defconfig | 1 -
arch/arm/plat-mxs/Kconfig | 2 --
arch/arm/plat-mxs/clock.c | 10 ----------
3 files changed, 0 insertions(+), 13 deletions(-)
diff --git a/arch/arm/configs/imx28evk_defconfig b/arch/arm/configs/imx28evk_defconfig
index 08f6a18..0c8bc66 100644
--- a/arch/arm/configs/imx28evk_defconfig
+++ b/arch/arm/configs/imx28evk_defconfig
@@ -18,7 +18,6 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_HARDIRQS_SW_RESEND=y
CONFIG_GENERIC_IRQ_PROBE=y
CONFIG_RWSEM_GENERIC_SPINLOCK=y
-CONFIG_ARCH_HAS_CPUFREQ=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
CONFIG_ZONE_DMA=y
diff --git a/arch/arm/plat-mxs/Kconfig b/arch/arm/plat-mxs/Kconfig
index 831a24b..63768f8 100644
--- a/arch/arm/plat-mxs/Kconfig
+++ b/arch/arm/plat-mxs/Kconfig
@@ -13,7 +13,6 @@ config ARCH_MX28
select MXS_ICOLL
select MXS_DMA_ENGINE
select MXS_AUART_DMA_SUPPORT
- select ARCH_HAS_CPUFREQ
---help---
Support Freescale MX28 chips
@@ -25,7 +24,6 @@ config ARCH_MX23
select MXS_ICOLL
select MXS_DMA_ENGINE
select MXS_AUART_DMA_SUPPORT
- select ARCH_HAS_CPUFREQ
---help---
Support Freescale MX23 chips
diff --git a/arch/arm/plat-mxs/clock.c b/arch/arm/plat-mxs/clock.c
index 1b98b1e..3ce7953 100644
--- a/arch/arm/plat-mxs/clock.c
+++ b/arch/arm/plat-mxs/clock.c
@@ -119,11 +119,6 @@ int clk_enable(struct clk *clk)
ret = __clk_enable(clk);
spin_unlock_irqrestore(&clockfw_lock, flags);
- if ((clk->flags & CPU_FREQ_TRIG_UPDATE)
- && (pre_usage == 0)) {
- cpufreq_trig_needed = 1;
- cpufreq_update_policy(0);
- }
return ret;
}
EXPORT_SYMBOL(clk_enable);
@@ -139,11 +134,6 @@ void clk_disable(struct clk *clk)
spin_lock_irqsave(&clockfw_lock, flags);
__clk_disable(clk);
spin_unlock_irqrestore(&clockfw_lock, flags);
- if ((clk->flags & CPU_FREQ_TRIG_UPDATE)
- && ((clk->ref & CLK_EN_MASK) == 0)) {
- cpufreq_trig_needed = 1;
- cpufreq_update_policy(0);
- }
}
EXPORT_SYMBOL(clk_disable);
--
1.7.1
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