diff mbox

[v4,2/4] ARM: da850: don't add the emac clock to the clock lookup table twice

Message ID 1481124138-27337-3-git-send-email-bgolaszewski@baylibre.com (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Bartosz Golaszewski Dec. 7, 2016, 3:22 p.m. UTC
Similarly to the aemif clock - this screws up the linked list of clock
children. Create a separate clock for mdio inheriting the rate from
emac_clk.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 arch/arm/mach-davinci/da850.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

Comments

Sekhar Nori Jan. 2, 2017, 9:26 a.m. UTC | #1
On Wednesday 07 December 2016 08:52 PM, Bartosz Golaszewski wrote:
> Similarly to the aemif clock - this screws up the linked list of clock
> children. Create a separate clock for mdio inheriting the rate from
> emac_clk.
> 
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

Applied with change in headline (see comment on 1/4). Also added a 
comment explaining why mdio clk is needed.

> ---
>  arch/arm/mach-davinci/da850.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
> index e9d019c..6b1fbac 100644
> --- a/arch/arm/mach-davinci/da850.c
> +++ b/arch/arm/mach-davinci/da850.c
> @@ -319,6 +319,11 @@ static struct clk emac_clk = {
>  	.gpsc		= 1,
>  };
>  

/*
 * In order to avoid adding the emac_clk to the clock lookup table twice (and
 * screwing up the linked list in the process) create a separate clock for
 * mdio inheriting the rate from emac_clk.
 */

> +static struct clk mdio_clk = {
> +	.name		= "mdio",
> +	.parent		= &emac_clk,
> +};

Thanks,
Sekhar
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diff mbox

Patch

diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index e9d019c..6b1fbac 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -319,6 +319,11 @@  static struct clk emac_clk = {
 	.gpsc		= 1,
 };
 
+static struct clk mdio_clk = {
+	.name		= "mdio",
+	.parent		= &emac_clk,
+};
+
 static struct clk mcasp_clk = {
 	.name		= "mcasp",
 	.parent		= &async3_clk,
@@ -539,7 +544,7 @@  static struct clk_lookup da850_clks[] = {
 	CLK(NULL,		"arm",		&arm_clk),
 	CLK(NULL,		"rmii",		&rmii_clk),
 	CLK("davinci_emac.1",	NULL,		&emac_clk),
-	CLK("davinci_mdio.0",	"fck",		&emac_clk),
+	CLK("davinci_mdio.0",	"fck",		&mdio_clk),
 	CLK("davinci-mcasp.0",	NULL,		&mcasp_clk),
 	CLK("davinci-mcbsp.0",	NULL,		&mcbsp0_clk),
 	CLK("davinci-mcbsp.1",	NULL,		&mcbsp1_clk),