* [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi
@ 2017-02-01 12:53 ` Raju Lakkaraju
0 siblings, 0 replies; 12+ messages in thread
From: Raju Lakkaraju @ 2017-02-01 12:53 UTC (permalink / raw)
To: netdev, devicetree; +Cc: f.fainelli, Allan.Nielsen, andrew, Raju Lakkaraju
From: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
LED Mode:
Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
status information that can be selected by setting LED mode.
LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get from
Device Tree.
Tested on Beaglebone Black with VSC 8531 PHY.
Change set:
v0:
- Initial version of LED driver for Microsemi PHYs.
v1:
- Update all review comments given by Andrew.
- Add new header file "mscc-phy-vsc8531.h" to define DT macros.
- Add error/range check for DT LED mode input
v2:
- Fixed x86_64 build error.
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
Raju Lakkaraju (1):
net: phy: Add LED mode driver for Microsemi PHYs.
.../devicetree/bindings/net/mscc-phy-vsc8531.txt | 10 +++
drivers/net/phy/mscc.c | 85 +++++++++++++++++++++-
include/dt-bindings/net/mscc-phy-vsc8531.h | 29 ++++++++
3 files changed, 123 insertions(+), 1 deletion(-)
create mode 100644 include/dt-bindings/net/mscc-phy-vsc8531.h
--
2.7.4
^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi
@ 2017-02-01 12:53 ` Raju Lakkaraju
0 siblings, 0 replies; 12+ messages in thread
From: Raju Lakkaraju @ 2017-02-01 12:53 UTC (permalink / raw)
To: netdev, devicetree; +Cc: f.fainelli, Allan.Nielsen, andrew, Raju Lakkaraju
From: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
LED Mode:
Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
status information that can be selected by setting LED mode.
LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get from
Device Tree.
Tested on Beaglebone Black with VSC 8531 PHY.
Change set:
v0:
- Initial version of LED driver for Microsemi PHYs.
v1:
- Update all review comments given by Andrew.
- Add new header file "mscc-phy-vsc8531.h" to define DT macros.
- Add error/range check for DT LED mode input
v2:
- Fixed x86_64 build error.
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
Raju Lakkaraju (1):
net: phy: Add LED mode driver for Microsemi PHYs.
.../devicetree/bindings/net/mscc-phy-vsc8531.txt | 10 +++
drivers/net/phy/mscc.c | 85 +++++++++++++++++++++-
include/dt-bindings/net/mscc-phy-vsc8531.h | 29 ++++++++
3 files changed, 123 insertions(+), 1 deletion(-)
create mode 100644 include/dt-bindings/net/mscc-phy-vsc8531.h
--
2.7.4
^ permalink raw reply [flat|nested] 12+ messages in thread
* [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi PHYs.
2017-02-01 12:53 ` Raju Lakkaraju
@ 2017-02-01 12:53 ` Raju Lakkaraju
-1 siblings, 0 replies; 12+ messages in thread
From: Raju Lakkaraju @ 2017-02-01 12:53 UTC (permalink / raw)
To: netdev, devicetree; +Cc: f.fainelli, Allan.Nielsen, andrew, Raju Lakkaraju
From: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
LED Mode:
Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
status information that can be selected by setting LED mode.
LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get
from Device Tree.
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
---
.../devicetree/bindings/net/mscc-phy-vsc8531.txt | 10 +++
drivers/net/phy/mscc.c | 85 +++++++++++++++++++++-
include/dt-bindings/net/mscc-phy-vsc8531.h | 29 ++++++++
3 files changed, 123 insertions(+), 1 deletion(-)
create mode 100644 include/dt-bindings/net/mscc-phy-vsc8531.h
diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
index bdefefc6..bb7450c 100644
--- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
+++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
@@ -27,6 +27,14 @@ Optional properties:
'vddmac'.
Default value is 0%.
Ref: Table:1 - Edge rate change (below).
+- vsc8531,led-0-mode : LED mode. Specify how the LED[0] should behave.
+ Allowed values are define in
+ "include/dt-bindings/net/mscc-phy-vsc8531.h".
+ Default value is 1.
+- vsc8531,led-1-mode : LED mode. Specify how the LED[1] should behave.
+ Allowed values are define in
+ "include/dt-bindings/net/mscc-phy-vsc8531.h".
+ Default value is 2.
Table: 1 - Edge rate change
----------------------------------------------------------------|
@@ -60,4 +68,6 @@ Example:
compatible = "ethernet-phy-id0007.0570";
vsc8531,vddmac = <3300>;
vsc8531,edge-slowdown = <7>;
+ vsc8531,led-0-mode = <LINK_1000_ACTIVITY>;
+ vsc8531,led-1-mode = <LINK_100_ACTIVITY>;
};
diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c
index e03ead8..f0cb7cc 100644
--- a/drivers/net/phy/mscc.c
+++ b/drivers/net/phy/mscc.c
@@ -13,6 +13,7 @@
#include <linux/phy.h>
#include <linux/of.h>
#include <linux/netdevice.h>
+#include <dt-bindings/net/mscc-phy-vsc8531.h>
enum rgmii_rx_clock_delay {
RGMII_RX_CLK_DELAY_0_2_NS = 0,
@@ -52,6 +53,11 @@ enum rgmii_rx_clock_delay {
#define MSCC_PHY_DEV_AUX_CNTL 28
#define HP_AUTO_MDIX_X_OVER_IND_MASK 0x2000
+#define MSCC_PHY_LED_MODE_SEL 29
+#define LED_1_MODE_SEL_MASK 0x00F0
+#define LED_0_MODE_SEL_MASK 0x000F
+#define LED_1_MODE_SEL_POS 4
+
#define MSCC_EXT_PAGE_ACCESS 31
#define MSCC_PHY_PAGE_STANDARD 0x0000 /* Standard registers */
#define MSCC_PHY_PAGE_EXTENDED 0x0001 /* Extended registers */
@@ -99,6 +105,8 @@ enum rgmii_rx_clock_delay {
struct vsc8531_private {
int rate_magic;
+ u8 led_0_mode;
+ u8 led_1_mode;
};
#ifdef CONFIG_OF_MDIO
@@ -123,6 +131,29 @@ static int vsc85xx_phy_page_set(struct phy_device *phydev, u8 page)
return rc;
}
+static int vsc85xx_led_cntl_set(struct phy_device *phydev,
+ u8 led_num,
+ u8 mode)
+{
+ int rc;
+ u16 reg_val;
+
+ mutex_lock(&phydev->lock);
+ reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL);
+ if (led_num) {
+ reg_val &= ~LED_1_MODE_SEL_MASK;
+ reg_val |= (((u16)mode << LED_1_MODE_SEL_POS) &
+ LED_1_MODE_SEL_MASK);
+ } else {
+ reg_val &= ~LED_0_MODE_SEL_MASK;
+ reg_val |= ((u16)mode & LED_0_MODE_SEL_MASK);
+ }
+ rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val);
+ mutex_unlock(&phydev->lock);
+
+ return rc;
+}
+
static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix)
{
u16 reg_val;
@@ -370,11 +401,43 @@ static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
return -EINVAL;
}
+
+static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
+ char *led,
+ u8 default_mode)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct device_node *of_node = dev->of_node;
+ u8 led_mode;
+ int rc;
+
+ if (!of_node)
+ return -ENODEV;
+
+ rc = of_property_read_u8(of_node, led, &led_mode);
+ if ((rc == 0) &&
+ ((led_mode > 15) || (led_mode == 7) || (led_mode == 11))) {
+ phydev_err(phydev, "DT %s invalid\n", led);
+ return -EINVAL;
+ } else if (rc == -EINVAL) {
+ return default_mode;
+ }
+
+ return led_mode;
+}
+
#else
static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
{
return 0;
}
+
+static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
+ char *led,
+ u8 default_mode)
+{
+ return default_mode;
+}
#endif /* CONFIG_OF_MDIO */
static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
@@ -499,6 +562,13 @@ static int vsc85xx_config_init(struct phy_device *phydev)
if (rc)
return rc;
+ rc = vsc85xx_led_cntl_set(phydev, 1, vsc8531->led_1_mode);
+ if (rc)
+ return rc;
+ rc = vsc85xx_led_cntl_set(phydev, 0, vsc8531->led_0_mode);
+ if (rc)
+ return rc;
+
rc = genphy_config_init(phydev);
return rc;
@@ -555,8 +625,9 @@ static int vsc85xx_read_status(struct phy_device *phydev)
static int vsc85xx_probe(struct phy_device *phydev)
{
- int rate_magic;
struct vsc8531_private *vsc8531;
+ int rate_magic;
+ int led_mode;
rate_magic = vsc85xx_edge_rate_magic_get(phydev);
if (rate_magic < 0)
@@ -570,6 +641,18 @@ static int vsc85xx_probe(struct phy_device *phydev)
vsc8531->rate_magic = rate_magic;
+ /* LED[0] and LED[1] mode */
+ led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-0-mode",
+ LINK_1000_ACTIVITY);
+ if (led_mode < 0)
+ return led_mode;
+ vsc8531->led_0_mode = led_mode;
+ led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-1-mode",
+ LINK_100_ACTIVITY);
+ if (led_mode < 0)
+ return led_mode;
+ vsc8531->led_1_mode = led_mode;
+
return 0;
}
diff --git a/include/dt-bindings/net/mscc-phy-vsc8531.h b/include/dt-bindings/net/mscc-phy-vsc8531.h
new file mode 100644
index 0000000..af6af98
--- /dev/null
+++ b/include/dt-bindings/net/mscc-phy-vsc8531.h
@@ -0,0 +1,29 @@
+/*
+ * Device Tree constants for Microsemi VSC8531 PHY
+ *
+ * Author: Nagaraju Lakkaraju
+ *
+ * License: Dual MIT/GPL
+ * Copyright (c) 2017 Microsemi Corporation
+ */
+
+#ifndef _DT_BINDINGS_MSCC_VSC8531_H
+#define _DT_BINDINGS_MSCC_VSC8531_H
+
+/* PHY LED Modes */
+#define LINK_ACTIVITY 0
+#define LINK_1000_ACTIVITY 1
+#define LINK_100_ACTIVITY 2
+#define LINK_10_ACTIVITY 3
+#define LINK_100_1000_ACTIVITY 4
+#define LINK_10_1000_ACTIVITY 5
+#define LINK_10_100_ACTIVITY 6
+#define DUPLEX_COLLISION 8
+#define COLLISION 9
+#define ACTIVITY 10
+#define AUTONEG_FAULT 12
+#define SERIAL_MODE 13
+#define FORCE_LED_OFF 14
+#define FORCE_LED_ON 15
+
+#endif
--
2.7.4
^ permalink raw reply related [flat|nested] 12+ messages in thread
* [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi PHYs.
@ 2017-02-01 12:53 ` Raju Lakkaraju
0 siblings, 0 replies; 12+ messages in thread
From: Raju Lakkaraju @ 2017-02-01 12:53 UTC (permalink / raw)
To: netdev, devicetree; +Cc: f.fainelli, Allan.Nielsen, andrew, Raju Lakkaraju
From: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
LED Mode:
Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
status information that can be selected by setting LED mode.
LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get
from Device Tree.
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
---
.../devicetree/bindings/net/mscc-phy-vsc8531.txt | 10 +++
drivers/net/phy/mscc.c | 85 +++++++++++++++++++++-
include/dt-bindings/net/mscc-phy-vsc8531.h | 29 ++++++++
3 files changed, 123 insertions(+), 1 deletion(-)
create mode 100644 include/dt-bindings/net/mscc-phy-vsc8531.h
diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
index bdefefc6..bb7450c 100644
--- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
+++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
@@ -27,6 +27,14 @@ Optional properties:
'vddmac'.
Default value is 0%.
Ref: Table:1 - Edge rate change (below).
+- vsc8531,led-0-mode : LED mode. Specify how the LED[0] should behave.
+ Allowed values are define in
+ "include/dt-bindings/net/mscc-phy-vsc8531.h".
+ Default value is 1.
+- vsc8531,led-1-mode : LED mode. Specify how the LED[1] should behave.
+ Allowed values are define in
+ "include/dt-bindings/net/mscc-phy-vsc8531.h".
+ Default value is 2.
Table: 1 - Edge rate change
----------------------------------------------------------------|
@@ -60,4 +68,6 @@ Example:
compatible = "ethernet-phy-id0007.0570";
vsc8531,vddmac = <3300>;
vsc8531,edge-slowdown = <7>;
+ vsc8531,led-0-mode = <LINK_1000_ACTIVITY>;
+ vsc8531,led-1-mode = <LINK_100_ACTIVITY>;
};
diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c
index e03ead8..f0cb7cc 100644
--- a/drivers/net/phy/mscc.c
+++ b/drivers/net/phy/mscc.c
@@ -13,6 +13,7 @@
#include <linux/phy.h>
#include <linux/of.h>
#include <linux/netdevice.h>
+#include <dt-bindings/net/mscc-phy-vsc8531.h>
enum rgmii_rx_clock_delay {
RGMII_RX_CLK_DELAY_0_2_NS = 0,
@@ -52,6 +53,11 @@ enum rgmii_rx_clock_delay {
#define MSCC_PHY_DEV_AUX_CNTL 28
#define HP_AUTO_MDIX_X_OVER_IND_MASK 0x2000
+#define MSCC_PHY_LED_MODE_SEL 29
+#define LED_1_MODE_SEL_MASK 0x00F0
+#define LED_0_MODE_SEL_MASK 0x000F
+#define LED_1_MODE_SEL_POS 4
+
#define MSCC_EXT_PAGE_ACCESS 31
#define MSCC_PHY_PAGE_STANDARD 0x0000 /* Standard registers */
#define MSCC_PHY_PAGE_EXTENDED 0x0001 /* Extended registers */
@@ -99,6 +105,8 @@ enum rgmii_rx_clock_delay {
struct vsc8531_private {
int rate_magic;
+ u8 led_0_mode;
+ u8 led_1_mode;
};
#ifdef CONFIG_OF_MDIO
@@ -123,6 +131,29 @@ static int vsc85xx_phy_page_set(struct phy_device *phydev, u8 page)
return rc;
}
+static int vsc85xx_led_cntl_set(struct phy_device *phydev,
+ u8 led_num,
+ u8 mode)
+{
+ int rc;
+ u16 reg_val;
+
+ mutex_lock(&phydev->lock);
+ reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL);
+ if (led_num) {
+ reg_val &= ~LED_1_MODE_SEL_MASK;
+ reg_val |= (((u16)mode << LED_1_MODE_SEL_POS) &
+ LED_1_MODE_SEL_MASK);
+ } else {
+ reg_val &= ~LED_0_MODE_SEL_MASK;
+ reg_val |= ((u16)mode & LED_0_MODE_SEL_MASK);
+ }
+ rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val);
+ mutex_unlock(&phydev->lock);
+
+ return rc;
+}
+
static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix)
{
u16 reg_val;
@@ -370,11 +401,43 @@ static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
return -EINVAL;
}
+
+static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
+ char *led,
+ u8 default_mode)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct device_node *of_node = dev->of_node;
+ u8 led_mode;
+ int rc;
+
+ if (!of_node)
+ return -ENODEV;
+
+ rc = of_property_read_u8(of_node, led, &led_mode);
+ if ((rc == 0) &&
+ ((led_mode > 15) || (led_mode == 7) || (led_mode == 11))) {
+ phydev_err(phydev, "DT %s invalid\n", led);
+ return -EINVAL;
+ } else if (rc == -EINVAL) {
+ return default_mode;
+ }
+
+ return led_mode;
+}
+
#else
static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
{
return 0;
}
+
+static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
+ char *led,
+ u8 default_mode)
+{
+ return default_mode;
+}
#endif /* CONFIG_OF_MDIO */
static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
@@ -499,6 +562,13 @@ static int vsc85xx_config_init(struct phy_device *phydev)
if (rc)
return rc;
+ rc = vsc85xx_led_cntl_set(phydev, 1, vsc8531->led_1_mode);
+ if (rc)
+ return rc;
+ rc = vsc85xx_led_cntl_set(phydev, 0, vsc8531->led_0_mode);
+ if (rc)
+ return rc;
+
rc = genphy_config_init(phydev);
return rc;
@@ -555,8 +625,9 @@ static int vsc85xx_read_status(struct phy_device *phydev)
static int vsc85xx_probe(struct phy_device *phydev)
{
- int rate_magic;
struct vsc8531_private *vsc8531;
+ int rate_magic;
+ int led_mode;
rate_magic = vsc85xx_edge_rate_magic_get(phydev);
if (rate_magic < 0)
@@ -570,6 +641,18 @@ static int vsc85xx_probe(struct phy_device *phydev)
vsc8531->rate_magic = rate_magic;
+ /* LED[0] and LED[1] mode */
+ led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-0-mode",
+ LINK_1000_ACTIVITY);
+ if (led_mode < 0)
+ return led_mode;
+ vsc8531->led_0_mode = led_mode;
+ led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-1-mode",
+ LINK_100_ACTIVITY);
+ if (led_mode < 0)
+ return led_mode;
+ vsc8531->led_1_mode = led_mode;
+
return 0;
}
diff --git a/include/dt-bindings/net/mscc-phy-vsc8531.h b/include/dt-bindings/net/mscc-phy-vsc8531.h
new file mode 100644
index 0000000..af6af98
--- /dev/null
+++ b/include/dt-bindings/net/mscc-phy-vsc8531.h
@@ -0,0 +1,29 @@
+/*
+ * Device Tree constants for Microsemi VSC8531 PHY
+ *
+ * Author: Nagaraju Lakkaraju
+ *
+ * License: Dual MIT/GPL
+ * Copyright (c) 2017 Microsemi Corporation
+ */
+
+#ifndef _DT_BINDINGS_MSCC_VSC8531_H
+#define _DT_BINDINGS_MSCC_VSC8531_H
+
+/* PHY LED Modes */
+#define LINK_ACTIVITY 0
+#define LINK_1000_ACTIVITY 1
+#define LINK_100_ACTIVITY 2
+#define LINK_10_ACTIVITY 3
+#define LINK_100_1000_ACTIVITY 4
+#define LINK_10_1000_ACTIVITY 5
+#define LINK_10_100_ACTIVITY 6
+#define DUPLEX_COLLISION 8
+#define COLLISION 9
+#define ACTIVITY 10
+#define AUTONEG_FAULT 12
+#define SERIAL_MODE 13
+#define FORCE_LED_OFF 14
+#define FORCE_LED_ON 15
+
+#endif
--
2.7.4
^ permalink raw reply related [flat|nested] 12+ messages in thread
* Re: [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi PHYs.
2017-02-01 12:53 ` Raju Lakkaraju
(?)
@ 2017-02-01 13:55 ` Andrew Lunn
[not found] ` <20170201135555.GE4967-g2DYL2Zd6BY@public.gmane.org>
-1 siblings, 1 reply; 12+ messages in thread
From: Andrew Lunn @ 2017-02-01 13:55 UTC (permalink / raw)
To: Raju Lakkaraju; +Cc: netdev, devicetree, f.fainelli, Allan.Nielsen
On Wed, Feb 01, 2017 at 06:23:46PM +0530, Raju Lakkaraju wrote:
> From: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
>
> LED Mode:
> Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
> status information that can be selected by setting LED mode.
>
> LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get
> from Device Tree.
>
> Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
> ---
> .../devicetree/bindings/net/mscc-phy-vsc8531.txt | 10 +++
> drivers/net/phy/mscc.c | 85 +++++++++++++++++++++-
> include/dt-bindings/net/mscc-phy-vsc8531.h | 29 ++++++++
> 3 files changed, 123 insertions(+), 1 deletion(-)
> create mode 100644 include/dt-bindings/net/mscc-phy-vsc8531.h
>
> diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
> index bdefefc6..bb7450c 100644
> --- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
> +++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
> @@ -27,6 +27,14 @@ Optional properties:
> 'vddmac'.
> Default value is 0%.
> Ref: Table:1 - Edge rate change (below).
> +- vsc8531,led-0-mode : LED mode. Specify how the LED[0] should behave.
> + Allowed values are define in
> + "include/dt-bindings/net/mscc-phy-vsc8531.h".
> + Default value is 1.
1 is not very useful. What does it mean? How about:
Default value is LINK_1000_ACTIVITY (1)
> +- vsc8531,led-1-mode : LED mode. Specify how the LED[1] should behave.
> + Allowed values are define in
> + "include/dt-bindings/net/mscc-phy-vsc8531.h".
> + Default value is 2.
>
> Table: 1 - Edge rate change
> ----------------------------------------------------------------|
> @@ -60,4 +68,6 @@ Example:
> compatible = "ethernet-phy-id0007.0570";
> vsc8531,vddmac = <3300>;
> vsc8531,edge-slowdown = <7>;
> + vsc8531,led-0-mode = <LINK_1000_ACTIVITY>;
> + vsc8531,led-1-mode = <LINK_100_ACTIVITY>;
> };
> diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c
> index e03ead8..f0cb7cc 100644
> --- a/drivers/net/phy/mscc.c
> +++ b/drivers/net/phy/mscc.c
> @@ -13,6 +13,7 @@
> #include <linux/phy.h>
> #include <linux/of.h>
> #include <linux/netdevice.h>
> +#include <dt-bindings/net/mscc-phy-vsc8531.h>
>
> enum rgmii_rx_clock_delay {
> RGMII_RX_CLK_DELAY_0_2_NS = 0,
> @@ -52,6 +53,11 @@ enum rgmii_rx_clock_delay {
> #define MSCC_PHY_DEV_AUX_CNTL 28
> #define HP_AUTO_MDIX_X_OVER_IND_MASK 0x2000
>
> +#define MSCC_PHY_LED_MODE_SEL 29
> +#define LED_1_MODE_SEL_MASK 0x00F0
> +#define LED_0_MODE_SEL_MASK 0x000F
> +#define LED_1_MODE_SEL_POS 4
> +
> #define MSCC_EXT_PAGE_ACCESS 31
> #define MSCC_PHY_PAGE_STANDARD 0x0000 /* Standard registers */
> #define MSCC_PHY_PAGE_EXTENDED 0x0001 /* Extended registers */
> @@ -99,6 +105,8 @@ enum rgmii_rx_clock_delay {
>
> struct vsc8531_private {
> int rate_magic;
> + u8 led_0_mode;
> + u8 led_1_mode;
> };
>
> #ifdef CONFIG_OF_MDIO
> @@ -123,6 +131,29 @@ static int vsc85xx_phy_page_set(struct phy_device *phydev, u8 page)
> return rc;
> }
>
> +static int vsc85xx_led_cntl_set(struct phy_device *phydev,
> + u8 led_num,
> + u8 mode)
> +{
> + int rc;
> + u16 reg_val;
> +
> + mutex_lock(&phydev->lock);
> + reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL);
> + if (led_num) {
> + reg_val &= ~LED_1_MODE_SEL_MASK;
> + reg_val |= (((u16)mode << LED_1_MODE_SEL_POS) &
> + LED_1_MODE_SEL_MASK);
> + } else {
> + reg_val &= ~LED_0_MODE_SEL_MASK;
> + reg_val |= ((u16)mode & LED_0_MODE_SEL_MASK);
> + }
> + rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val);
> + mutex_unlock(&phydev->lock);
> +
> + return rc;
> +}
> +
> static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix)
> {
> u16 reg_val;
> @@ -370,11 +401,43 @@ static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
>
> return -EINVAL;
> }
> +
> +static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
> + char *led,
> + u8 default_mode)
> +{
> + struct device *dev = &phydev->mdio.dev;
> + struct device_node *of_node = dev->of_node;
> + u8 led_mode;
> + int rc;
> +
> + if (!of_node)
> + return -ENODEV;
> +
> + rc = of_property_read_u8(of_node, led, &led_mode);
> + if ((rc == 0) &&
> + ((led_mode > 15) || (led_mode == 7) || (led_mode == 11))) {
> + phydev_err(phydev, "DT %s invalid\n", led);
> + return -EINVAL;
> + } else if (rc == -EINVAL) {
> + return default_mode;
> + }
I don't think you understood my comment about of_property_read_u8()
not modifying &led_mode on error. Please read the comment again, and
simplify this.
> +
> + return led_mode;
> +}
> +
> #else
> static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
> {
> return 0;
> }
> +
> +static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
> + char *led,
> + u8 default_mode)
> +{
> + return default_mode;
> +}
> #endif /* CONFIG_OF_MDIO */
>
> static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
> @@ -499,6 +562,13 @@ static int vsc85xx_config_init(struct phy_device *phydev)
> if (rc)
> return rc;
>
> + rc = vsc85xx_led_cntl_set(phydev, 1, vsc8531->led_1_mode);
> + if (rc)
> + return rc;
Blank line please.
> + rc = vsc85xx_led_cntl_set(phydev, 0, vsc8531->led_0_mode);
> + if (rc)
> + return rc;
> +
> rc = genphy_config_init(phydev);
>
> return rc;
> @@ -555,8 +625,9 @@ static int vsc85xx_read_status(struct phy_device *phydev)
>
> static int vsc85xx_probe(struct phy_device *phydev)
> {
> - int rate_magic;
> struct vsc8531_private *vsc8531;
> + int rate_magic;
> + int led_mode;
>
> rate_magic = vsc85xx_edge_rate_magic_get(phydev);
> if (rate_magic < 0)
> @@ -570,6 +641,18 @@ static int vsc85xx_probe(struct phy_device *phydev)
>
> vsc8531->rate_magic = rate_magic;
>
> + /* LED[0] and LED[1] mode */
> + led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-0-mode",
> + LINK_1000_ACTIVITY);
> + if (led_mode < 0)
> + return led_mode;
> + vsc8531->led_0_mode = led_mode;
Blank line.
> + led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-1-mode",
> + LINK_100_ACTIVITY);
> + if (led_mode < 0)
> + return led_mode;
> + vsc8531->led_1_mode = led_mode;
> +
> return 0;
> }
>
> diff --git a/include/dt-bindings/net/mscc-phy-vsc8531.h b/include/dt-bindings/net/mscc-phy-vsc8531.h
> new file mode 100644
> index 0000000..af6af98
> --- /dev/null
> +++ b/include/dt-bindings/net/mscc-phy-vsc8531.h
> @@ -0,0 +1,29 @@
> +/*
> + * Device Tree constants for Microsemi VSC8531 PHY
> + *
> + * Author: Nagaraju Lakkaraju
> + *
> + * License: Dual MIT/GPL
> + * Copyright (c) 2017 Microsemi Corporation
> + */
> +
> +#ifndef _DT_BINDINGS_MSCC_VSC8531_H
> +#define _DT_BINDINGS_MSCC_VSC8531_H
> +
> +/* PHY LED Modes */
> +#define LINK_ACTIVITY 0
> +#define LINK_1000_ACTIVITY 1
> +#define LINK_100_ACTIVITY 2
> +#define LINK_10_ACTIVITY 3
> +#define LINK_100_1000_ACTIVITY 4
> +#define LINK_10_1000_ACTIVITY 5
> +#define LINK_10_100_ACTIVITY 6
> +#define DUPLEX_COLLISION 8
> +#define COLLISION 9
> +#define ACTIVITY 10
> +#define AUTONEG_FAULT 12
> +#define SERIAL_MODE 13
> +#define FORCE_LED_OFF 14
> +#define FORCE_LED_ON 15
You should prefix these with VSC8531_. Otherwise there is potential to
have issues with two different PHYs defining some of these frequently
used macros.
Andrew
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi PHYs.
[not found] ` <1485953626-25780-2-git-send-email-Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
@ 2017-02-01 18:02 ` Rob Herring
0 siblings, 0 replies; 12+ messages in thread
From: Rob Herring @ 2017-02-01 18:02 UTC (permalink / raw)
To: Raju Lakkaraju
Cc: netdev-u79uwXL29TY76Z2rM5mHXA, devicetree-u79uwXL29TY76Z2rM5mHXA,
f.fainelli-Re5JQEeQqe8AvxtiuMwx3w,
Allan.Nielsen-dzo6w/eZyo2tG0bUXCXiUA, andrew-g2DYL2Zd6BY
On Wed, Feb 01, 2017 at 06:23:46PM +0530, Raju Lakkaraju wrote:
> From: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
>
> LED Mode:
> Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
> status information that can be selected by setting LED mode.
>
> LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get
> from Device Tree.
>
> Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
> ---
> .../devicetree/bindings/net/mscc-phy-vsc8531.txt | 10 +++
> drivers/net/phy/mscc.c | 85 +++++++++++++++++++++-
> include/dt-bindings/net/mscc-phy-vsc8531.h | 29 ++++++++
> 3 files changed, 123 insertions(+), 1 deletion(-)
> create mode 100644 include/dt-bindings/net/mscc-phy-vsc8531.h
>
> diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
> index bdefefc6..bb7450c 100644
> --- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
> +++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
> @@ -27,6 +27,14 @@ Optional properties:
> 'vddmac'.
> Default value is 0%.
> Ref: Table:1 - Edge rate change (below).
> +- vsc8531,led-0-mode : LED mode. Specify how the LED[0] should behave.
vsc8531 is not a vendor prefix. I see other properties did this, but
please don't continue it.
> + Allowed values are define in
> + "include/dt-bindings/net/mscc-phy-vsc8531.h".
> + Default value is 1.
> +- vsc8531,led-1-mode : LED mode. Specify how the LED[1] should behave.
Why not make this an array for LED0 and LED1?
> + Allowed values are define in
> + "include/dt-bindings/net/mscc-phy-vsc8531.h".
> + Default value is 2.
>
> Table: 1 - Edge rate change
> ----------------------------------------------------------------|
> @@ -60,4 +68,6 @@ Example:
> compatible = "ethernet-phy-id0007.0570";
> vsc8531,vddmac = <3300>;
> vsc8531,edge-slowdown = <7>;
> + vsc8531,led-0-mode = <LINK_1000_ACTIVITY>;
> + vsc8531,led-1-mode = <LINK_100_ACTIVITY>;
> };
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi
2017-02-01 12:53 ` Raju Lakkaraju
(?)
(?)
@ 2017-02-01 18:04 ` Florian Fainelli
2017-02-07 13:39 ` Raju Lakkaraju
-1 siblings, 1 reply; 12+ messages in thread
From: Florian Fainelli @ 2017-02-01 18:04 UTC (permalink / raw)
To: Raju Lakkaraju, netdev, devicetree; +Cc: Allan.Nielsen, andrew
On 02/01/2017 04:53 AM, Raju Lakkaraju wrote:
> From: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
>
> LED Mode:
> Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
> status information that can be selected by setting LED mode.
Why is this LED selection done through Device Tree/initial configuration
instead of coming up with a proper LED device registered by the PHY
which allows you to select exactly how you want the modes to wind-up
looking like?
NB: you don't need a cover letter for single patches.
>
> LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get from
> Device Tree.
>
> Tested on Beaglebone Black with VSC 8531 PHY.
>
> Change set:
> v0:
> - Initial version of LED driver for Microsemi PHYs.
> v1:
> - Update all review comments given by Andrew.
> - Add new header file "mscc-phy-vsc8531.h" to define DT macros.
> - Add error/range check for DT LED mode input
> v2:
> - Fixed x86_64 build error.
>
> Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
>
>
> Raju Lakkaraju (1):
> net: phy: Add LED mode driver for Microsemi PHYs.
>
> .../devicetree/bindings/net/mscc-phy-vsc8531.txt | 10 +++
> drivers/net/phy/mscc.c | 85 +++++++++++++++++++++-
> include/dt-bindings/net/mscc-phy-vsc8531.h | 29 ++++++++
> 3 files changed, 123 insertions(+), 1 deletion(-)
> create mode 100644 include/dt-bindings/net/mscc-phy-vsc8531.h
>
--
Florian
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi PHYs.
[not found] ` <20170201135555.GE4967-g2DYL2Zd6BY@public.gmane.org>
@ 2017-02-07 9:17 ` Raju Lakkaraju
0 siblings, 0 replies; 12+ messages in thread
From: Raju Lakkaraju @ 2017-02-07 9:17 UTC (permalink / raw)
To: Andrew Lunn
Cc: netdev-u79uwXL29TY76Z2rM5mHXA, devicetree-u79uwXL29TY76Z2rM5mHXA,
f.fainelli-Re5JQEeQqe8AvxtiuMwx3w,
Allan.Nielsen-dzo6w/eZyo2tG0bUXCXiUA
Hi Andrew,
Thank you for given review comments.
On Wed, Feb 01, 2017 at 02:55:55PM +0100, Andrew Lunn wrote:
> EXTERNAL EMAIL
>
>
> On Wed, Feb 01, 2017 at 06:23:46PM +0530, Raju Lakkaraju wrote:
> > From: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
> >
> > LED Mode:
> > + "include/dt-bindings/net/mscc-phy-vsc8531.h".
> > + Default value is 1.
>
> 1 is not very useful. What does it mean? How about:
>
> Default value is LINK_1000_ACTIVITY (1)
>
Accepted.
> > +- vsc8531,led-1-mode : LED mode. Specify how the LED[1] should behave.
> > + Allowed values are define in
> > + int rc;
> > +
> > + if (!of_node)
> > + return -ENODEV;
> > +
> > + rc = of_property_read_u8(of_node, led, &led_mode);
> > + if ((rc == 0) &&
> > + ((led_mode > 15) || (led_mode == 7) || (led_mode == 11))) {
> > + phydev_err(phydev, "DT %s invalid\n", led);
> > + return -EINVAL;
> > + } else if (rc == -EINVAL) {
> > + return default_mode;
> > + }
>
> I don't think you understood my comment about of_property_read_u8()
> not modifying &led_mode on error. Please read the comment again, and
> simplify this.
>
If i understand your comment correctly, in case of return value -EINVAL, it
should return error. Am i correct?
i would perfer in case of of_property_read_u8( ) returns -EINVAL,
i would like to configure LEDs with default state. Shall i configure?
Still if you think i did not understand your comments, please write little
bit more.
> > +
> > + return led_mode;
> > +}
> > +
> > #else
> > static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
> > {
> > return 0;
> > }
> > +
> > +static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
> > + char *led,
> > + u8 default_mode)
> > +{
> > + return default_mode;
> > +}
> > #endif /* CONFIG_OF_MDIO */
> >
> > static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
> > @@ -499,6 +562,13 @@ static int vsc85xx_config_init(struct phy_device *phydev)
> > if (rc)
> > return rc;
> >
> > + rc = vsc85xx_led_cntl_set(phydev, 1, vsc8531->led_1_mode);
> > + if (rc)
> > + return rc;
>
> Blank line please.
>
Accepted.
> > + rc = vsc85xx_led_cntl_set(phydev, 0, vsc8531->led_0_mode);
> > + if (rc)
> > + return rc;
> > +
> > rc = genphy_config_init(phydev);
> >
> > return rc;
> > @@ -555,8 +625,9 @@ static int vsc85xx_read_status(struct phy_device *phydev)
> > + led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-0-mode",
> > + LINK_1000_ACTIVITY);
> > + if (led_mode < 0)
> > + return led_mode;
> > + vsc8531->led_0_mode = led_mode;
>
> Blank line.
>
Accepted.
> > + led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-1-mode",
> > + LINK_100_ACTIVITY);
> > +#define AUTONEG_FAULT 12
> > +#define SERIAL_MODE 13
> > +#define FORCE_LED_OFF 14
> > +#define FORCE_LED_ON 15
>
> You should prefix these with VSC8531_. Otherwise there is potential to
> have issues with two different PHYs defining some of these frequently
> used macros.
>
Accepted.
> Andrew
---
Thanks,
Raju.
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi PHYs.
@ 2017-02-07 9:17 ` Raju Lakkaraju
0 siblings, 0 replies; 12+ messages in thread
From: Raju Lakkaraju @ 2017-02-07 9:17 UTC (permalink / raw)
To: Andrew Lunn
Cc: netdev-u79uwXL29TY76Z2rM5mHXA, devicetree-u79uwXL29TY76Z2rM5mHXA,
f.fainelli-Re5JQEeQqe8AvxtiuMwx3w,
Allan.Nielsen-dzo6w/eZyo2tG0bUXCXiUA
Hi Andrew,
Thank you for given review comments.
On Wed, Feb 01, 2017 at 02:55:55PM +0100, Andrew Lunn wrote:
> EXTERNAL EMAIL
>
>
> On Wed, Feb 01, 2017 at 06:23:46PM +0530, Raju Lakkaraju wrote:
> > From: Raju Lakkaraju <Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
> >
> > LED Mode:
> > + "include/dt-bindings/net/mscc-phy-vsc8531.h".
> > + Default value is 1.
>
> 1 is not very useful. What does it mean? How about:
>
> Default value is LINK_1000_ACTIVITY (1)
>
Accepted.
> > +- vsc8531,led-1-mode : LED mode. Specify how the LED[1] should behave.
> > + Allowed values are define in
> > + int rc;
> > +
> > + if (!of_node)
> > + return -ENODEV;
> > +
> > + rc = of_property_read_u8(of_node, led, &led_mode);
> > + if ((rc == 0) &&
> > + ((led_mode > 15) || (led_mode == 7) || (led_mode == 11))) {
> > + phydev_err(phydev, "DT %s invalid\n", led);
> > + return -EINVAL;
> > + } else if (rc == -EINVAL) {
> > + return default_mode;
> > + }
>
> I don't think you understood my comment about of_property_read_u8()
> not modifying &led_mode on error. Please read the comment again, and
> simplify this.
>
If i understand your comment correctly, in case of return value -EINVAL, it
should return error. Am i correct?
i would perfer in case of of_property_read_u8( ) returns -EINVAL,
i would like to configure LEDs with default state. Shall i configure?
Still if you think i did not understand your comments, please write little
bit more.
> > +
> > + return led_mode;
> > +}
> > +
> > #else
> > static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
> > {
> > return 0;
> > }
> > +
> > +static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
> > + char *led,
> > + u8 default_mode)
> > +{
> > + return default_mode;
> > +}
> > #endif /* CONFIG_OF_MDIO */
> >
> > static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
> > @@ -499,6 +562,13 @@ static int vsc85xx_config_init(struct phy_device *phydev)
> > if (rc)
> > return rc;
> >
> > + rc = vsc85xx_led_cntl_set(phydev, 1, vsc8531->led_1_mode);
> > + if (rc)
> > + return rc;
>
> Blank line please.
>
Accepted.
> > + rc = vsc85xx_led_cntl_set(phydev, 0, vsc8531->led_0_mode);
> > + if (rc)
> > + return rc;
> > +
> > rc = genphy_config_init(phydev);
> >
> > return rc;
> > @@ -555,8 +625,9 @@ static int vsc85xx_read_status(struct phy_device *phydev)
> > + led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-0-mode",
> > + LINK_1000_ACTIVITY);
> > + if (led_mode < 0)
> > + return led_mode;
> > + vsc8531->led_0_mode = led_mode;
>
> Blank line.
>
Accepted.
> > + led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-1-mode",
> > + LINK_100_ACTIVITY);
> > +#define AUTONEG_FAULT 12
> > +#define SERIAL_MODE 13
> > +#define FORCE_LED_OFF 14
> > +#define FORCE_LED_ON 15
>
> You should prefix these with VSC8531_. Otherwise there is potential to
> have issues with two different PHYs defining some of these frequently
> used macros.
>
Accepted.
> Andrew
---
Thanks,
Raju.
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi PHYs.
[not found] ` <20170207091737.GA24582-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
@ 2017-02-07 13:12 ` Andrew Lunn
0 siblings, 0 replies; 12+ messages in thread
From: Andrew Lunn @ 2017-02-07 13:12 UTC (permalink / raw)
To: Raju Lakkaraju
Cc: netdev-u79uwXL29TY76Z2rM5mHXA, devicetree-u79uwXL29TY76Z2rM5mHXA,
f.fainelli-Re5JQEeQqe8AvxtiuMwx3w,
Allan.Nielsen-dzo6w/eZyo2tG0bUXCXiUA
> > > +- vsc8531,led-1-mode : LED mode. Specify how the LED[1] should behave.
> > > + Allowed values are define in
> > > + int rc;
> > > +
> > > + if (!of_node)
> > > + return -ENODEV;
> > > +
> > > + rc = of_property_read_u8(of_node, led, &led_mode);
> > > + if ((rc == 0) &&
> > > + ((led_mode > 15) || (led_mode == 7) || (led_mode == 11))) {
> > > + phydev_err(phydev, "DT %s invalid\n", led);
> > > + return -EINVAL;
> > > + } else if (rc == -EINVAL) {
> > > + return default_mode;
> > > + }
> >
> > I don't think you understood my comment about of_property_read_u8()
> > not modifying &led_mode on error. Please read the comment again, and
> > simplify this.
> >
>
> If i understand your comment correctly
Nope, you don't.
rc = of_property_read_u8(of_node, led, &led_mode);
If rc indicates an error, led_mode is not touched. Read the
documentation for this function. So you can simplifiy the code:
led_mode = default_mode;
err = of_property_read_u8(of_node, led, &led_mode);
if (!err && (led_mode > 15 || led_mode == 7) | (led_mode == 11) {
phydev_err(phydev, "DT %s invalid\n", led);
return -EINVAL;
}
return led_mode;
Andrew
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^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi
2017-02-01 18:04 ` [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi Florian Fainelli
@ 2017-02-07 13:39 ` Raju Lakkaraju
0 siblings, 0 replies; 12+ messages in thread
From: Raju Lakkaraju @ 2017-02-07 13:39 UTC (permalink / raw)
To: Florian Fainelli; +Cc: netdev, devicetree, Allan.Nielsen, andrew
Hi Florian,
Thank you for review comments.
On Wed, Feb 01, 2017 at 10:04:08AM -0800, Florian Fainelli wrote:
> EXTERNAL EMAIL
>
>
> On 02/01/2017 04:53 AM, Raju Lakkaraju wrote:
> > From: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
> >
> > LED Mode:
> > Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
> > status information that can be selected by setting LED mode.
>
> Why is this LED selection done through Device Tree/initial configuration
> instead of coming up with a proper LED device registered by the PHY
> which allows you to select exactly how you want the modes to wind-up
> looking like?
>
I wrote the LED driver similar to "Micrel". Added only LED mode.
> NB: you don't need a cover letter for single patches.
>
Accepted. I will do.
> >
> > LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get from
> > Device Tree.
> >
> > Tested on Beaglebone Black with VSC 8531 PHY.
> >
> > Change set:
> > v0:
> > - Initial version of LED driver for Microsemi PHYs.
> > v1:
> > - Update all review comments given by Andrew.
> > - Add new header file "mscc-phy-vsc8531.h" to define DT macros.
> > - Add error/range check for DT LED mode input
> > v2:
> > - Fixed x86_64 build error.
> >
> > Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
> >
> >
> > Raju Lakkaraju (1):
> > net: phy: Add LED mode driver for Microsemi PHYs.
> >
> > .../devicetree/bindings/net/mscc-phy-vsc8531.txt | 10 +++
> > drivers/net/phy/mscc.c | 85 +++++++++++++++++++++-
> > include/dt-bindings/net/mscc-phy-vsc8531.h | 29 ++++++++
> > 3 files changed, 123 insertions(+), 1 deletion(-)
> > create mode 100644 include/dt-bindings/net/mscc-phy-vsc8531.h
> >
>
>
> --
> Florian
---
Thanks,
Raju.
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi
@ 2017-02-07 13:39 ` Raju Lakkaraju
0 siblings, 0 replies; 12+ messages in thread
From: Raju Lakkaraju @ 2017-02-07 13:39 UTC (permalink / raw)
To: Florian Fainelli; +Cc: netdev, devicetree, Allan.Nielsen, andrew
Hi Florian,
Thank you for review comments.
On Wed, Feb 01, 2017 at 10:04:08AM -0800, Florian Fainelli wrote:
> EXTERNAL EMAIL
>
>
> On 02/01/2017 04:53 AM, Raju Lakkaraju wrote:
> > From: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
> >
> > LED Mode:
> > Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
> > status information that can be selected by setting LED mode.
>
> Why is this LED selection done through Device Tree/initial configuration
> instead of coming up with a proper LED device registered by the PHY
> which allows you to select exactly how you want the modes to wind-up
> looking like?
>
I wrote the LED driver similar to "Micrel". Added only LED mode.
> NB: you don't need a cover letter for single patches.
>
Accepted. I will do.
> >
> > LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get from
> > Device Tree.
> >
> > Tested on Beaglebone Black with VSC 8531 PHY.
> >
> > Change set:
> > v0:
> > - Initial version of LED driver for Microsemi PHYs.
> > v1:
> > - Update all review comments given by Andrew.
> > - Add new header file "mscc-phy-vsc8531.h" to define DT macros.
> > - Add error/range check for DT LED mode input
> > v2:
> > - Fixed x86_64 build error.
> >
> > Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
> >
> >
> > Raju Lakkaraju (1):
> > net: phy: Add LED mode driver for Microsemi PHYs.
> >
> > .../devicetree/bindings/net/mscc-phy-vsc8531.txt | 10 +++
> > drivers/net/phy/mscc.c | 85 +++++++++++++++++++++-
> > include/dt-bindings/net/mscc-phy-vsc8531.h | 29 ++++++++
> > 3 files changed, 123 insertions(+), 1 deletion(-)
> > create mode 100644 include/dt-bindings/net/mscc-phy-vsc8531.h
> >
>
>
> --
> Florian
---
Thanks,
Raju.
^ permalink raw reply [flat|nested] 12+ messages in thread
end of thread, other threads:[~2017-02-07 13:39 UTC | newest]
Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-02-01 12:53 [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi Raju Lakkaraju
2017-02-01 12:53 ` Raju Lakkaraju
2017-02-01 12:53 ` [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi PHYs Raju Lakkaraju
2017-02-01 12:53 ` Raju Lakkaraju
2017-02-01 13:55 ` Andrew Lunn
[not found] ` <20170201135555.GE4967-g2DYL2Zd6BY@public.gmane.org>
2017-02-07 9:17 ` Raju Lakkaraju
2017-02-07 9:17 ` Raju Lakkaraju
[not found] ` <20170207091737.GA24582-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
2017-02-07 13:12 ` Andrew Lunn
[not found] ` <1485953626-25780-2-git-send-email-Raju.Lakkaraju-dzo6w/eZyo2tG0bUXCXiUA@public.gmane.org>
2017-02-01 18:02 ` Rob Herring
2017-02-01 18:04 ` [PATCH v2 net-next] net: phy: Add LED mode driver for Microsemi Florian Fainelli
2017-02-07 13:39 ` Raju Lakkaraju
2017-02-07 13:39 ` Raju Lakkaraju
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