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Date: Mon, 2 Feb 2015 16:58:13 -0400
From: Eduardo Valentin <edubezval@...il.com>
To: Linux PM <linux-pm@...r.kernel.org>,
Viresh Kumar <viresh.kumar@...aro.org>
Cc: Eduardo Valentin <edubezval@...il.com>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Kukjin Kim <kgene@...nel.org>,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 10/14] cpufreq: exynox-cpufreq: pass exynos_dvfs_info to .set_freq callback
This change passes the exynos_dvfs_info to the .set_freq callback
to avoid using local static variables. Now, the core can use
same allocated data structure and child code can work on same
data structure.
Cc: "Rafael J. Wysocki" <rjw@...ysocki.net>
Cc: Viresh Kumar <viresh.kumar@...aro.org>
Cc: Kukjin Kim <kgene@...nel.org>
Cc: linux-pm@...r.kernel.org
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-samsung-soc@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Eduardo Valentin <edubezval@...il.com>
---
drivers/cpufreq/exynos-cpufreq.c | 2 +-
drivers/cpufreq/exynos-cpufreq.h | 2 +-
drivers/cpufreq/exynos4210-cpufreq.c | 17 ++++++++++-------
drivers/cpufreq/exynos4x12-cpufreq.c | 19 +++++++++++--------
drivers/cpufreq/exynos5250-cpufreq.c | 19 +++++++++++--------
5 files changed, 34 insertions(+), 25 deletions(-)
diff --git a/drivers/cpufreq/exynos-cpufreq.c b/drivers/cpufreq/exynos-cpufreq.c
index 5e98c6b..a964602 100644
--- a/drivers/cpufreq/exynos-cpufreq.c
+++ b/drivers/cpufreq/exynos-cpufreq.c
@@ -108,7 +108,7 @@ static int exynos_cpufreq_scale(unsigned int target_freq)
}
}
- exynos_info->set_freq(old_index, index);
+ exynos_info->set_freq(exynos_info, old_index, index);
/* When the new frequency is lower than current frequency */
if ((target_freq < old_freq) ||
diff --git a/drivers/cpufreq/exynos-cpufreq.h b/drivers/cpufreq/exynos-cpufreq.h
index 9f2062a..b59558e 100644
--- a/drivers/cpufreq/exynos-cpufreq.h
+++ b/drivers/cpufreq/exynos-cpufreq.h
@@ -48,7 +48,7 @@ struct exynos_dvfs_info {
struct clk *cpu_clk;
unsigned int *volt_table;
struct cpufreq_frequency_table *freq_table;
- void (*set_freq)(unsigned int, unsigned int);
+ void (*set_freq)(struct exynos_dvfs_info *, unsigned int, unsigned int);
bool (*need_apll_change)(unsigned int, unsigned int);
void __iomem *cmu_regs;
};
diff --git a/drivers/cpufreq/exynos4210-cpufreq.c b/drivers/cpufreq/exynos4210-cpufreq.c
index fc02a39..00889a4 100644
--- a/drivers/cpufreq/exynos4210-cpufreq.c
+++ b/drivers/cpufreq/exynos4210-cpufreq.c
@@ -55,7 +55,8 @@ static struct apll_freq apll_freq_4210[] = {
APLL_FREQ(200, 0, 1, 3, 1, 3, 1, 0, 0, 3, 0, 0, 200, 6, 3),
};
-static void exynos4210_set_clkdiv(unsigned int div_index)
+static void exynos4210_set_clkdiv(struct exynos_dvfs_info *cpufreq,
+ unsigned int div_index)
{
unsigned int tmp;
@@ -80,7 +81,8 @@ static void exynos4210_set_clkdiv(unsigned int div_index)
} while (tmp & 0x11);
}
-static void exynos4210_set_apll(unsigned int index)
+static void exynos4210_set_apll(struct exynos_dvfs_info *cpufreq,
+ unsigned int index)
{
unsigned int tmp, freq = apll_freq_4210[index].freq;
@@ -104,15 +106,16 @@ static void exynos4210_set_apll(unsigned int index)
} while (tmp != (0x1 << EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT));
}
-static void exynos4210_set_frequency(unsigned int old_index,
+static void exynos4210_set_frequency(struct exynos_dvfs_info *cpufreq,
+ unsigned int old_index,
unsigned int new_index)
{
if (old_index > new_index) {
- exynos4210_set_clkdiv(new_index);
- exynos4210_set_apll(new_index);
+ exynos4210_set_clkdiv(cpufreq, new_index);
+ exynos4210_set_apll(cpufreq, new_index);
} else if (old_index < new_index) {
- exynos4210_set_apll(new_index);
- exynos4210_set_clkdiv(new_index);
+ exynos4210_set_apll(cpufreq, new_index);
+ exynos4210_set_clkdiv(cpufreq, new_index);
}
}
diff --git a/drivers/cpufreq/exynos4x12-cpufreq.c b/drivers/cpufreq/exynos4x12-cpufreq.c
index 7e0dd2a..d12087b 100644
--- a/drivers/cpufreq/exynos4x12-cpufreq.c
+++ b/drivers/cpufreq/exynos4x12-cpufreq.c
@@ -100,7 +100,8 @@ static struct apll_freq apll_freq_4412[] = {
APLL_FREQ(200, 0, 1, 3, 0, 1, 1, 1, 0, 3, 0, 0, 100, 3, 2),
};
-static void exynos4x12_set_clkdiv(unsigned int div_index)
+static void exynos4x12_set_clkdiv(struct exynos_dvfs_info *cpufreq,
+ unsigned int div_index)
{
unsigned int tmp;
@@ -125,7 +126,8 @@ static void exynos4x12_set_clkdiv(unsigned int div_index)
} while (tmp != 0x0);
}
-static void exynos4x12_set_apll(unsigned int index)
+static void exynos4x12_set_apll(struct exynos_dvfs_info *cpufreq,
+ unsigned int index)
{
unsigned int tmp, freq = apll_freq_4x12[index].freq;
@@ -151,15 +153,16 @@ static void exynos4x12_set_apll(unsigned int index)
} while (tmp != (0x1 << EXYNOS4_CLKSRC_CPU_MUXCORE_SHIFT));
}
-static void exynos4x12_set_frequency(unsigned int old_index,
- unsigned int new_index)
+static void exynos4x12_set_frequency(struct exynos_dvfs_info *cpufreq,
+ unsigned int old_index,
+ unsigned int new_index)
{
if (old_index > new_index) {
- exynos4x12_set_clkdiv(new_index);
- exynos4x12_set_apll(new_index);
+ exynos4x12_set_clkdiv(cpufreq, new_index);
+ exynos4x12_set_apll(cpufreq, new_index);
} else if (old_index < new_index) {
- exynos4x12_set_apll(new_index);
- exynos4x12_set_clkdiv(new_index);
+ exynos4x12_set_apll(cpufreq, new_index);
+ exynos4x12_set_clkdiv(cpufreq, new_index);
}
}
diff --git a/drivers/cpufreq/exynos5250-cpufreq.c b/drivers/cpufreq/exynos5250-cpufreq.c
index d3ce829..191a511 100644
--- a/drivers/cpufreq/exynos5250-cpufreq.c
+++ b/drivers/cpufreq/exynos5250-cpufreq.c
@@ -80,7 +80,8 @@ static struct apll_freq apll_freq_5250[] = {
APLL_FREQ(200, 0, 1, 7, 7, 1, 1, 1, 0, 0, 2, 0, 100, 3, 2),
};
-static void set_clkdiv(unsigned int div_index)
+static void set_clkdiv(struct exynos_dvfs_info *cpufreq,
+ unsigned int div_index)
{
unsigned int tmp;
@@ -103,7 +104,8 @@ static void set_clkdiv(unsigned int div_index)
cpu_relax();
}
-static void set_apll(unsigned int index)
+static void set_apll(struct exynos_dvfs_info *cpufreq,
+ unsigned int index)
{
unsigned int tmp;
unsigned int freq = apll_freq_5250[index].freq;
@@ -130,15 +132,16 @@ static void set_apll(unsigned int index)
} while (tmp != (0x1 << 16));
}
-static void exynos5250_set_frequency(unsigned int old_index,
- unsigned int new_index)
+static void exynos5250_set_frequency(struct exynos_dvfs_info *exynos_info,
+ unsigned int old_index,
+ unsigned int new_index)
{
if (old_index > new_index) {
- set_clkdiv(new_index);
- set_apll(new_index);
+ set_clkdiv(exynos_info, new_index);
+ set_apll(exynos_info, new_index);
} else if (old_index < new_index) {
- set_apll(new_index);
- set_clkdiv(new_index);
+ set_apll(exynos_info, new_index);
+ set_clkdiv(exynos_info, new_index);
}
}
--
2.1.3
--
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