From: Heikki Krogerus <heikki.kroge...@linux.intel.com>
By using the unified device property interface, the function
can be made available for all platforms and not just the
ones using DT.
Signed-off-by: Heikki Krogerus <heikki.kroge...@linux.intel.com>
Signed-off-by: Felipe Balbi <ba...@ti.com>
(cherry picked from commit 06e7114f0d8297278eb24f4e9bee3393a94bd8ce)
Signed-off-by: Wan Ahmad Zainie <wan.ahmad.zainie.wan.moha...@intel.com>
Conflicts:
drivers/usb/musb/sunxi.c
Resolved. Deleted. This file does not exist in 4.1.y.
---
drivers/usb/chipidea/core.c | 2 +-
drivers/usb/common/common.c | 15 ++++-----------
drivers/usb/dwc2/platform.c | 2 +-
drivers/usb/dwc3/core.c | 2 +-
drivers/usb/dwc3/dwc3-st.c | 2 +-
drivers/usb/musb/musb_dsps.c | 2 +-
drivers/usb/phy/phy-msm-usb.c | 2 +-
drivers/usb/phy/phy-tegra-usb.c | 2 +-
include/linux/usb/of.h | 6 ------
include/linux/usb/otg.h | 9 +++++++++
10 files changed, 20 insertions(+), 24 deletions(-)
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 029859a..b0e79e6 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -566,7 +566,7 @@ static int ci_get_platdata(struct device *dev,
platdata->phy_mode = of_usb_get_phy_mode(dev->of_node);
if (!platdata->dr_mode)
- platdata->dr_mode = of_usb_get_dr_mode(dev->of_node);
+ platdata->dr_mode = usb_get_dr_mode(dev);
if (platdata->dr_mode == USB_DR_MODE_UNKNOWN)
platdata->dr_mode = USB_DR_MODE_OTG;
diff --git a/drivers/usb/common/common.c b/drivers/usb/common/common.c
index b25a111..673d530 100644
--- a/drivers/usb/common/common.c
+++ b/drivers/usb/common/common.c
@@ -99,7 +99,6 @@ const char *usb_state_string(enum usb_device_state state)
}
EXPORT_SYMBOL_GPL(usb_state_string);
-#ifdef CONFIG_OF
static const char *const usb_dr_modes[] = {
[USB_DR_MODE_UNKNOWN] = "",
[USB_DR_MODE_HOST] = "host",
@@ -107,19 +106,12 @@ static const char *const usb_dr_modes[] = {
[USB_DR_MODE_OTG] = "otg",
};
-/**
- * of_usb_get_dr_mode - Get dual role mode for given device_node
- * @np: Pointer to the given device_node
- *
- * The function gets phy interface string from property 'dr_mode',
- * and returns the correspondig enum usb_dr_mode
- */
-enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np)
+enum usb_dr_mode usb_get_dr_mode(struct device *dev)
{
const char *dr_mode;
int err, i;
- err = of_property_read_string(np, "dr_mode", &dr_mode);
+ err = device_property_read_string(dev, "dr_mode", &dr_mode);
if (err < 0)
return USB_DR_MODE_UNKNOWN;
@@ -129,8 +121,9 @@ enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np)
return USB_DR_MODE_UNKNOWN;
}
-EXPORT_SYMBOL_GPL(of_usb_get_dr_mode);
+EXPORT_SYMBOL_GPL(usb_get_dr_mode);
+#ifdef CONFIG_OF
/**
* of_usb_host_tpl_support - to get if Targeted Peripheral List is supported
* for given targeted hosts (non-PC hosts)
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 185663e..d6f620f 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -214,7 +214,7 @@ static int dwc2_driver_probe(struct platform_device *dev)
dev_dbg(&dev->dev, "mapped PA %08lx to VA %p\n",
(unsigned long)res->start, hsotg->regs);
- hsotg->dr_mode = of_usb_get_dr_mode(dev->dev.of_node);
+ hsotg->dr_mode = usb_get_dr_mode(&dev->dev);
/*
* Attempt to find a generic PHY, then look for an old style
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 43b8c1c..c649596 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -878,6 +878,7 @@ static int dwc3_probe(struct platform_device *pdev)
hird_threshold = 12;
dwc->maximum_speed = usb_get_maximum_speed(dev);
+ dwc->dr_mode = usb_get_dr_mode(dev);
if (node) {
dwc->has_lpm_erratum = of_property_read_bool(node,
@@ -893,7 +894,6 @@ static int dwc3_probe(struct platform_device *pdev)
dwc->needs_fifo_resize = of_property_read_bool(node,
"tx-fifo-resize");
- dwc->dr_mode = of_usb_get_dr_mode(node);
dwc->disable_scramble_quirk = of_property_read_bool(node,
"snps,disable_scramble_quirk");
diff --git a/drivers/usb/dwc3/dwc3-st.c b/drivers/usb/dwc3/dwc3-st.c
index 8e66449..a3f3384 100644
--- a/drivers/usb/dwc3/dwc3-st.c
+++ b/drivers/usb/dwc3/dwc3-st.c
@@ -272,7 +272,7 @@ static int st_dwc3_probe(struct platform_device *pdev)
goto undo_softreset;
}
- dwc3_data->dr_mode = of_usb_get_dr_mode(child_pdev->dev.of_node);
+ dwc3_data->dr_mode = usb_get_dr_mode(&child_pdev->dev);
/*
* Configure the USB port as device or host according to the static
diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c
index 85b694f..56c0355 100644
--- a/drivers/usb/musb/musb_dsps.c
+++ b/drivers/usb/musb/musb_dsps.c
@@ -666,7 +666,7 @@ static int get_musb_port_mode(struct device *dev)
{
enum usb_dr_mode mode;
- mode = of_usb_get_dr_mode(dev->of_node);
+ mode = usb_get_dr_mode(dev);
switch (mode) {
case USB_DR_MODE_HOST:
return MUSB_PORT_MODE_HOST;
diff --git a/drivers/usb/phy/phy-msm-usb.c b/drivers/usb/phy/phy-msm-usb.c
index c9156be..1dce97f 100644
--- a/drivers/usb/phy/phy-msm-usb.c
+++ b/drivers/usb/phy/phy-msm-usb.c
@@ -1462,7 +1462,7 @@ static int msm_otg_read_dt(struct platform_device *pdev,
struct msm_otg *motg)
if (IS_ERR(motg->phy_rst))
motg->phy_rst = NULL;
- pdata->mode = of_usb_get_dr_mode(node);
+ pdata->mode = usb_get_dr_mode(&pdev->dev);
if (pdata->mode == USB_DR_MODE_UNKNOWN)
pdata->mode = USB_DR_MODE_OTG;
diff --git a/drivers/usb/phy/phy-tegra-usb.c b/drivers/usb/phy/phy-tegra-usb.c
index ab025b0..5fe4a57 100644
--- a/drivers/usb/phy/phy-tegra-usb.c
+++ b/drivers/usb/phy/phy-tegra-usb.c
@@ -1029,7 +1029,7 @@ static int tegra_usb_phy_probe(struct platform_device
*pdev)
}
if (of_find_property(np, "dr_mode", NULL))
- tegra_phy->mode = of_usb_get_dr_mode(np);
+ tegra_phy->mode = usb_get_dr_mode(&pdev->dev);
else
tegra_phy->mode = USB_DR_MODE_HOST;
diff --git a/include/linux/usb/of.h b/include/linux/usb/of.h
index ff23fea..c3fe9e4 100644
--- a/include/linux/usb/of.h
+++ b/include/linux/usb/of.h
@@ -12,16 +12,10 @@
#include <linux/usb/phy.h>
#if IS_ENABLED(CONFIG_OF)
-enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np);
bool of_usb_host_tpl_support(struct device_node *np);
int of_usb_update_otg_caps(struct device_node *np,
struct usb_otg_caps *otg_caps);
#else
-static inline enum usb_dr_mode of_usb_get_dr_mode(struct device_node *np)
-{
- return USB_DR_MODE_UNKNOWN;
-}
-
static inline bool of_usb_host_tpl_support(struct device_node *np)
{
return false;
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 52661c5..b27ebae 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -104,4 +104,13 @@ enum usb_dr_mode {
USB_DR_MODE_OTG,
};
+/**
+ * usb_get_dr_mode - Get dual role mode for given device
+ * @dev: Pointer to the given device
+ *
+ * The function gets phy interface string from property 'dr_mode',
+ * and returns the correspondig enum usb_dr_mode
+ */
+extern enum usb_dr_mode usb_get_dr_mode(struct device *dev);
+
#endif /* __LINUX_USB_OTG_H */
--
1.9.1
--
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