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From: "Heiko Stübner" <heiko@sntech.de>
To: Kukjin Kim <kgene.kim@samsung.com>, 'Ben Dooks' <ben-linux@fluff.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, heiko@sntech.de
Subject: [PATCH 5/8] S3C2443: Add get_rate operation for clk_armdiv
Date: Wed, 28 Sep 2011 12:21:37 +0200	[thread overview]
Message-ID: <201109281221.37568.heiko@sntech.de> (raw)
In-Reply-To: <201109281217.33813.heiko@sntech.de>

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
 arch/arm/plat-s3c24xx/s3c2443-clock.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/arch/arm/plat-s3c24xx/s3c2443-clock.c b/arch/arm/plat-s3c24xx/s3c2443-clock.c
index f9c5b03..fea3d5c 100644
--- a/arch/arm/plat-s3c24xx/s3c2443-clock.c
+++ b/arch/arm/plat-s3c24xx/s3c2443-clock.c
@@ -189,6 +189,19 @@ static unsigned long s3c2443_armclk_roundrate(struct clk *clk,
 	return parent / best;
 }
 
+static unsigned long s3c2443_armclk_getrate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned long clkcon0;
+	int val;
+
+	clkcon0 = __raw_readl(S3C2443_CLKDIV0);
+	clkcon0 &= armdivmask;
+	val = clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT;
+
+	return rate / armdiv[val];
+}
+
 static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate)
 {
 	unsigned long parent = clk_get_rate(clk->parent);
@@ -224,6 +237,7 @@ static struct clk clk_armdiv = {
 	.parent		= &clk_msysclk.clk,
 	.ops		= &(struct clk_ops) {
 		.round_rate = s3c2443_armclk_roundrate,
+		.get_rate = s3c2443_armclk_getrate,
 		.set_rate = s3c2443_armclk_setrate,
 	},
 };
-- 
1.7.5.4

WARNING: multiple messages have this Message-ID (diff)
From: heiko@sntech.de (Heiko Stübner)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 5/8] S3C2443: Add get_rate operation for clk_armdiv
Date: Wed, 28 Sep 2011 12:21:37 +0200	[thread overview]
Message-ID: <201109281221.37568.heiko@sntech.de> (raw)
In-Reply-To: <201109281217.33813.heiko@sntech.de>

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
---
 arch/arm/plat-s3c24xx/s3c2443-clock.c |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/arch/arm/plat-s3c24xx/s3c2443-clock.c b/arch/arm/plat-s3c24xx/s3c2443-clock.c
index f9c5b03..fea3d5c 100644
--- a/arch/arm/plat-s3c24xx/s3c2443-clock.c
+++ b/arch/arm/plat-s3c24xx/s3c2443-clock.c
@@ -189,6 +189,19 @@ static unsigned long s3c2443_armclk_roundrate(struct clk *clk,
 	return parent / best;
 }
 
+static unsigned long s3c2443_armclk_getrate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+	unsigned long clkcon0;
+	int val;
+
+	clkcon0 = __raw_readl(S3C2443_CLKDIV0);
+	clkcon0 &= armdivmask;
+	val = clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT;
+
+	return rate / armdiv[val];
+}
+
 static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate)
 {
 	unsigned long parent = clk_get_rate(clk->parent);
@@ -224,6 +237,7 @@ static struct clk clk_armdiv = {
 	.parent		= &clk_msysclk.clk,
 	.ops		= &(struct clk_ops) {
 		.round_rate = s3c2443_armclk_roundrate,
+		.get_rate = s3c2443_armclk_getrate,
 		.set_rate = s3c2443_armclk_setrate,
 	},
 };
-- 
1.7.5.4

  parent reply	other threads:[~2011-09-28 10:21 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-28 10:17 [PATCH 0/8] S3C2416: Enable armdiv and armclk Heiko Stübner
2011-09-28 10:17 ` Heiko Stübner
2011-09-28 10:18 ` [PATCH 1/8] S3C2416: Add armdiv_mask constant Heiko Stübner
2011-09-28 10:18   ` Heiko Stübner
2011-09-28 10:19 ` [PATCH 2/8] S3C2443: Add infrastructure to transmit armdiv to common code Heiko Stübner
2011-09-28 10:19   ` Heiko Stübner
2011-09-28 10:20 ` [PATCH 3/8] S3C2443: Move clk_arm and clk_armdiv " Heiko Stübner
2011-09-28 10:20   ` Heiko Stübner
2011-09-28 10:20 ` [PATCH 4/8] S3C2416: Add comment describing the armdiv/armclk Heiko Stübner
2011-09-28 10:20   ` Heiko Stübner
2011-09-28 10:21 ` Heiko Stübner [this message]
2011-09-28 10:21   ` [PATCH 5/8] S3C2443: Add get_rate operation for clk_armdiv Heiko Stübner
2011-09-28 10:22 ` [PATCH 6/8] S3C2443: handle unset armdiv values gracefully Heiko Stübner
2011-09-28 10:22   ` Heiko Stübner
2011-09-28 10:22 ` [PATCH 7/8] S3C2443: Accommodate cpufreq frequency scheme in armdiv Heiko Stübner
2011-09-28 10:22   ` Heiko Stübner
2011-09-28 10:23 ` [PATCH 8/8] S3C2443: use clk_get_rate to init fclk in common_setup_clocks Heiko Stübner
2011-09-28 10:23   ` Heiko Stübner
2011-10-14  7:14 ` [PATCH 0/8] S3C2416: Enable armdiv and armclk Kukjin Kim
2011-10-14  7:14   ` Kukjin Kim
2011-10-14  7:27   ` Heiko Stübner
2011-10-14  7:27     ` Heiko Stübner
2011-10-14  7:44     ` Kukjin Kim
2011-10-14  7:44       ` Kukjin Kim

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