[PATCH v2 1/3] net: fec: set phy reset time to 1ms

[PATCH v2 1/3] net: fec: set phy reset time to 1ms

[Stefan Christ]

According to the device tree bindings in dts/Bindings/net/fsl-fec.txt
the default phy-reset time is 1ms.

Signed-off-by: Stefan Christ <s.christ@phytec.de>
---
 drivers/net/fec_imx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c
index 78ccb85..f19d046 100644
--- a/drivers/net/fec_imx.c
+++ b/drivers/net/fec_imx.c
@@ -692,7 +692,7 @@ static int fec_probe(struct device_d *dev)
 		if (ret)
 			goto err_free;
 
-		udelay(10);
+		mdelay(1);
 		gpio_set_value(phy_reset, 1);
 	}
 
-- 
1.9.1


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[PATCH v2 2/3] net: fec: implement dtb property phy-reset-duration

[Stefan Christ]

Implement device tree property phy-reset-duration to adjust length of
phy reset.

Signed-off-by: Stefan Christ <s.christ@phytec.de>
---
 drivers/net/fec_imx.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c
index f19d046..70087ad 100644
--- a/drivers/net/fec_imx.c
+++ b/drivers/net/fec_imx.c
@@ -654,6 +654,7 @@ static int fec_probe(struct device_d *dev)
 	int ret;
 	enum fec_type type;
 	int phy_reset;
+	u32 msec = 1;
 
 	ret = dev_get_drvdata(dev, (const void **)&type);
 	if (ret)
@@ -684,6 +685,8 @@ static int fec_probe(struct device_d *dev)
 
 	phy_reset = of_get_named_gpio(dev->device_node, "phy-reset-gpios", 0);
 	if (gpio_is_valid(phy_reset)) {
+		of_property_read_u32(dev->device_node, "phy-reset-duration", &msec);
+
 		ret = gpio_request(phy_reset, "phy-reset");
 		if (ret)
 			goto err_free;
@@ -692,7 +695,7 @@ static int fec_probe(struct device_d *dev)
 		if (ret)
 			goto err_free;
 
-		mdelay(1);
+		mdelay(msec);
 		gpio_set_value(phy_reset, 1);
 	}
 
-- 
1.9.1


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[PATCH v2 3/3] net: fec: fix indentation and whitspaces

[Stefan Christ]

Signed-off-by: Stefan Christ <s.christ@phytec.de>
---
 drivers/net/fec_imx.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c
index 70087ad..5418034 100644
--- a/drivers/net/fec_imx.c
+++ b/drivers/net/fec_imx.c
@@ -259,7 +259,7 @@ static int fec_set_hwaddr(struct eth_device *dev, const unsigned char *mac)
 	writel((mac[0] << 24) + (mac[1] << 16) + (mac[2] << 8) + mac[3], fec->regs + FEC_PADDR1);
 	writel((mac[4] << 24) + (mac[5] << 16) + 0x8808, fec->regs + FEC_PADDR2);
 
-        return 0;
+	return 0;
 }
 
 static int fec_init(struct eth_device *dev)
@@ -647,8 +647,8 @@ static int fec_probe_dt(struct device_d *dev, struct fec_priv *fec)
 #endif
 static int fec_probe(struct device_d *dev)
 {
-        struct fec_platform_data *pdata = (struct fec_platform_data *)dev->platform_data;
-        struct eth_device *edev;
+	struct fec_platform_data *pdata = (struct fec_platform_data *)dev->platform_data;
+	struct eth_device *edev;
 	struct fec_priv *fec;
 	void *base;
 	int ret;
@@ -778,7 +778,7 @@ static __maybe_unused struct of_device_id imx_fec_dt_ids[] = {
 	}, {
 		.compatible = "fsl,imx6q-fec",
 		.data = (void *)FEC_TYPE_IMX6,
-	},  {
+	}, {
 		.compatible = "fsl,imx6sx-fec",
 		.data = (void *)FEC_TYPE_IMX6,
 	}, {
-- 
1.9.1


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Re: [PATCH v2 2/3] net: fec: implement dtb property phy-reset-duration

[Stefan Christ]

Hi,

ups. Change information is missing:

v2: Remove upper bound check of reset duration and update commit message

Mit freundlichen Grüßen / Kind regards,
	Stefan Christ

On Wed, Nov 18, 2015 at 10:08:44AM +0100, Stefan Christ wrote:
> Implement device tree property phy-reset-duration to adjust length of
> phy reset.
> 
> Signed-off-by: Stefan Christ <s.christ@phytec.de>
> ---
>  drivers/net/fec_imx.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/net/fec_imx.c b/drivers/net/fec_imx.c
> index f19d046..70087ad 100644
> --- a/drivers/net/fec_imx.c
> +++ b/drivers/net/fec_imx.c
> @@ -654,6 +654,7 @@ static int fec_probe(struct device_d *dev)
>  	int ret;
>  	enum fec_type type;
>  	int phy_reset;
> +	u32 msec = 1;
>  
>  	ret = dev_get_drvdata(dev, (const void **)&type);
>  	if (ret)
> @@ -684,6 +685,8 @@ static int fec_probe(struct device_d *dev)
>  
>  	phy_reset = of_get_named_gpio(dev->device_node, "phy-reset-gpios", 0);
>  	if (gpio_is_valid(phy_reset)) {
> +		of_property_read_u32(dev->device_node, "phy-reset-duration", &msec);
> +
>  		ret = gpio_request(phy_reset, "phy-reset");
>  		if (ret)
>  			goto err_free;
> @@ -692,7 +695,7 @@ static int fec_probe(struct device_d *dev)
>  		if (ret)
>  			goto err_free;
>  
> -		mdelay(1);
> +		mdelay(msec);
>  		gpio_set_value(phy_reset, 1);
>  	}
>  
> -- 
> 1.9.1
> 
> 
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox

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Re: [PATCH v2 1/3] net: fec: set phy reset time to 1ms

[Sascha Hauer]

On Wed, Nov 18, 2015 at 10:08:43AM +0100, Stefan Christ wrote:
> According to the device tree bindings in dts/Bindings/net/fsl-fec.txt
> the default phy-reset time is 1ms.
> 
> Signed-off-by: Stefan Christ <s.christ@phytec.de>

Applied, thanks

Sascha

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