From: Gabor Juhos <juhosg@openwrt.org>
Date: Thu, 2 Aug 2012 09:54:21 +0000 (+0000)
Subject: generic: rtl836x: add hw_reset field to struct rtl8366_smi
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=e2782eae8ee17143d0506078fcf5c0a44b2302fe;p=lede.git
generic: rtl836x: add hw_reset field to struct rtl8366_smi
It will be used to start/stop the switch if that is
supported by the given board.
SVN-Revision: 32943
---
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
index 1288db1982..9903269390 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
@@ -308,6 +308,19 @@ int rtl8366_smi_rmwr(struct rtl8366_smi *smi, u32 addr, u32 mask, u32 data)
}
EXPORT_SYMBOL_GPL(rtl8366_smi_rmwr);
+static int rtl8366_reset(struct rtl8366_smi *smi)
+{
+ if (smi->hw_reset) {
+ smi->hw_reset(true);
+ msleep(25);
+ smi->hw_reset(false);
+ msleep(25);
+ return 0;
+ }
+
+ return smi->ops->reset_chip(smi);
+}
+
static int rtl8366_mc_is_used(struct rtl8366_smi *smi, int mc_index, int *used)
{
int err;
@@ -938,7 +951,7 @@ int rtl8366_sw_reset_switch(struct switch_dev *dev)
struct rtl8366_smi *smi = sw_to_rtl8366_smi(dev);
int err;
- err = smi->ops->reset_chip(smi);
+ err = rtl8366_reset(smi);
if (err)
return err;
@@ -1227,6 +1240,13 @@ static int __rtl8366_smi_init(struct rtl8366_smi *smi, const char *name)
}
spin_lock_init(&smi->lock);
+
+ /* start the switch */
+ if (smi->hw_reset) {
+ smi->hw_reset(false);
+ msleep(25);
+ }
+
return 0;
err_free_sda:
@@ -1237,6 +1257,9 @@ static int __rtl8366_smi_init(struct rtl8366_smi *smi, const char *name)
static void __rtl8366_smi_cleanup(struct rtl8366_smi *smi)
{
+ if (smi->hw_reset)
+ smi->hw_reset(true);
+
gpio_free(smi->gpio_sck);
gpio_free(smi->gpio_sda);
}
@@ -1300,7 +1323,7 @@ int rtl8366_smi_init(struct rtl8366_smi *smi)
goto err_free_sck;
}
- err = smi->ops->reset_chip(smi);
+ err = rtl8366_reset(smi);
if (err)
goto err_free_sck;
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h
index ea5e6dbd6c..700f83c1a5 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h
@@ -32,6 +32,7 @@ struct rtl8366_smi {
struct device *parent;
unsigned int gpio_sda;
unsigned int gpio_sck;
+ void (*hw_reset)(bool active);
unsigned int clk_delay; /* ns */
u8 cmd_read;
u8 cmd_write;
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366rb.c b/target/linux/generic/files/drivers/net/phy/rtl8366rb.c
index 3901602f93..775949792d 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366rb.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366rb.c
@@ -1194,6 +1194,8 @@ static int __devinit rtl8366rb_probe(struct platform_device *pdev)
smi->gpio_sda = pdata->gpio_sda;
smi->gpio_sck = pdata->gpio_sck;
+ smi->hw_reset = pdata->hw_reset;
+
smi->clk_delay = 10;
smi->cmd_read = 0xa9;
smi->cmd_write = 0xa8;
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8366s.c b/target/linux/generic/files/drivers/net/phy/rtl8366s.c
index 21f743926a..77427d6c9e 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8366s.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366s.c
@@ -1074,6 +1074,8 @@ static int __devinit rtl8366s_probe(struct platform_device *pdev)
smi->gpio_sda = pdata->gpio_sda;
smi->gpio_sck = pdata->gpio_sck;
+ smi->hw_reset = pdata->hw_reset;
+
smi->clk_delay = 10;
smi->cmd_read = 0xa9;
smi->cmd_write = 0xa8;
diff --git a/target/linux/generic/files/drivers/net/phy/rtl8367.c b/target/linux/generic/files/drivers/net/phy/rtl8367.c
index 4f2ba6327b..ee2a047013 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8367.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8367.c
@@ -1692,6 +1692,8 @@ static int __devinit rtl8367_probe(struct platform_device *pdev)
smi->gpio_sda = pdata->gpio_sda;
smi->gpio_sck = pdata->gpio_sck;
+ smi->hw_reset = pdata->hw_reset;
+
smi->clk_delay = 1500;
smi->cmd_read = 0xb9;
smi->cmd_write = 0xb8;
diff --git a/target/linux/generic/files/include/linux/rtl8366.h b/target/linux/generic/files/include/linux/rtl8366.h
index 22ce614d40..78daed2205 100644
--- a/target/linux/generic/files/include/linux/rtl8366.h
+++ b/target/linux/generic/files/include/linux/rtl8366.h
@@ -29,6 +29,8 @@ struct rtl8366_initval {
struct rtl8366_platform_data {
unsigned gpio_sda;
unsigned gpio_sck;
+ void (*hw_reset)(bool active);
+
unsigned num_initvals;
struct rtl8366_initval *initvals;
};
diff --git a/target/linux/generic/files/include/linux/rtl8367.h b/target/linux/generic/files/include/linux/rtl8367.h
index aab553e229..470c5f3812 100644
--- a/target/linux/generic/files/include/linux/rtl8367.h
+++ b/target/linux/generic/files/include/linux/rtl8367.h
@@ -50,6 +50,7 @@ struct rtl8367_extif_config {
struct rtl8367_platform_data {
unsigned gpio_sda;
unsigned gpio_sck;
+ void (*hw_reset)(bool active);
struct rtl8367_extif_config *extif0_cfg;
struct rtl8367_extif_config *extif1_cfg;