diff mbox

ARM: r7s72100: fix bus clock calculation

Message ID 1393579975-19619-1-git-send-email-wsa@the-dreams.de (mailing list archive)
State Accepted
Commit 14610a06dc6dc5510ad839051c162a6549b77e88
Headers show

Commit Message

Wolfram Sang Feb. 28, 2014, 9:32 a.m. UTC 
From: Wolfram Sang <wsa@sang-engineering.com>

The picture in the datasheet is a little misleading, yet the divider of
the bus_clk is 1/3 and not 2/3.

Signed-off-by: Wolfram Sang <wsa@sang-engineering.com>
---
 arch/arm/mach-shmobile/clock-r7s72100.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Simon Horman March 6, 2014, 4:22 a.m. UTC | #1 
On Fri, Feb 28, 2014 at 10:32:55AM +0100, Wolfram Sang wrote:
> From: Wolfram Sang <wsa@sang-engineering.com>
> 
> The picture in the datasheet is a little misleading, yet the divider of
> the bus_clk is 1/3 and not 2/3.
> 
> Signed-off-by: Wolfram Sang <wsa@sang-engineering.com>

Thanks, I have queued this up with "shmobile: " inserted into
the subject.

> ---
>  arch/arm/mach-shmobile/clock-r7s72100.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-shmobile/clock-r7s72100.c b/arch/arm/mach-shmobile/clock-r7s72100.c
> index f17a5db..bee0073 100644
> --- a/arch/arm/mach-shmobile/clock-r7s72100.c
> +++ b/arch/arm/mach-shmobile/clock-r7s72100.c
> @@ -70,7 +70,7 @@ static struct clk pll_clk = {
>  
>  static unsigned long bus_recalc(struct clk *clk)
>  {
> -	return clk->parent->rate * 2 / 3;
> +	return clk->parent->rate / 3;
>  }
>  
>  static struct sh_clk_ops bus_clk_ops = {
> -- 
> 1.8.5.1
> 
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diff mbox

Patch

diff --git a/arch/arm/mach-shmobile/clock-r7s72100.c b/arch/arm/mach-shmobile/clock-r7s72100.c
index f17a5db..bee0073 100644
--- a/arch/arm/mach-shmobile/clock-r7s72100.c
+++ b/arch/arm/mach-shmobile/clock-r7s72100.c
@@ -70,7 +70,7 @@  static struct clk pll_clk = {
 
 static unsigned long bus_recalc(struct clk *clk)
 {
-	return clk->parent->rate * 2 / 3;
+	return clk->parent->rate / 3;
 }
 
 static struct sh_clk_ops bus_clk_ops = {