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-rw-r--r--drivers/usb/cdns3/core.c22
-rw-r--r--drivers/usb/chipidea/core.c10
-rw-r--r--drivers/usb/dwc3/dwc3-meson-g12a.c10
-rw-r--r--drivers/usb/gadget/udc/renesas_usb3.c26
-rw-r--r--drivers/usb/gadget/udc/tegra-xudc.c8
-rw-r--r--drivers/usb/mtu3/mtu3_dr.c9
-rw-r--r--drivers/usb/musb/mediatek.c16
-rw-r--r--drivers/usb/roles/class.c4
-rw-r--r--drivers/usb/roles/intel-xhci-usb-role-switch.c26
-rw-r--r--include/linux/usb/role.h5
10 files changed, 77 insertions, 59 deletions
diff --git a/drivers/usb/cdns3/core.c b/drivers/usb/cdns3/core.c
index c2123ef8d8a3..4aafba20f450 100644
--- a/drivers/usb/cdns3/core.c
+++ b/drivers/usb/cdns3/core.c
@@ -330,9 +330,9 @@ exit:
*
* Returns role
*/
-static enum usb_role cdns3_role_get(struct device *dev)
+static enum usb_role cdns3_role_get(struct usb_role_switch *sw)
{
- struct cdns3 *cdns = dev_get_drvdata(dev);
+ struct cdns3 *cdns = usb_role_switch_get_drvdata(sw);
return cdns->role;
}
@@ -346,9 +346,9 @@ static enum usb_role cdns3_role_get(struct device *dev)
* - Role switch for dual-role devices
* - USB_ROLE_GADGET <--> USB_ROLE_NONE for peripheral-only devices
*/
-static int cdns3_role_set(struct device *dev, enum usb_role role)
+static int cdns3_role_set(struct usb_role_switch *sw, enum usb_role role)
{
- struct cdns3 *cdns = dev_get_drvdata(dev);
+ struct cdns3 *cdns = usb_role_switch_get_drvdata(sw);
int ret = 0;
pm_runtime_get_sync(cdns->dev);
@@ -423,12 +423,6 @@ pm_put:
return ret;
}
-static const struct usb_role_switch_desc cdns3_switch_desc = {
- .set = cdns3_role_set,
- .get = cdns3_role_get,
- .allow_userspace_control = true,
-};
-
/**
* cdns3_probe - probe for cdns3 core device
* @pdev: Pointer to cdns3 core platform device
@@ -437,6 +431,7 @@ static const struct usb_role_switch_desc cdns3_switch_desc = {
*/
static int cdns3_probe(struct platform_device *pdev)
{
+ struct usb_role_switch_desc sw_desc = { };
struct device *dev = &pdev->dev;
struct resource *res;
struct cdns3 *cdns;
@@ -529,7 +524,12 @@ static int cdns3_probe(struct platform_device *pdev)
if (ret)
goto err3;
- cdns->role_sw = usb_role_switch_register(dev, &cdns3_switch_desc);
+ sw_desc.set = cdns3_role_set;
+ sw_desc.get = cdns3_role_get;
+ sw_desc.allow_userspace_control = true;
+ sw_desc.driver_data = cdns;
+
+ cdns->role_sw = usb_role_switch_register(dev, &sw_desc);
if (IS_ERR(cdns->role_sw)) {
ret = PTR_ERR(cdns->role_sw);
dev_warn(dev, "Unable to register Role Switch\n");
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 52139c2a9924..ae0bdc036464 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -600,9 +600,9 @@ static int ci_cable_notifier(struct notifier_block *nb, unsigned long event,
return NOTIFY_DONE;
}
-static enum usb_role ci_usb_role_switch_get(struct device *dev)
+static enum usb_role ci_usb_role_switch_get(struct usb_role_switch *sw)
{
- struct ci_hdrc *ci = dev_get_drvdata(dev);
+ struct ci_hdrc *ci = usb_role_switch_get_drvdata(sw);
enum usb_role role;
unsigned long flags;
@@ -613,9 +613,10 @@ static enum usb_role ci_usb_role_switch_get(struct device *dev)
return role;
}
-static int ci_usb_role_switch_set(struct device *dev, enum usb_role role)
+static int ci_usb_role_switch_set(struct usb_role_switch *sw,
+ enum usb_role role)
{
- struct ci_hdrc *ci = dev_get_drvdata(dev);
+ struct ci_hdrc *ci = usb_role_switch_get_drvdata(sw);
struct ci_hdrc_cable *cable = NULL;
enum usb_role current_role = ci_role_to_usb_role(ci);
enum ci_role ci_role = usb_role_to_ci_role(role);
@@ -1118,6 +1119,7 @@ static int ci_hdrc_probe(struct platform_device *pdev)
}
if (ci_role_switch.fwnode) {
+ ci_role_switch.driver_data = ci;
ci->role_switch = usb_role_switch_register(dev,
&ci_role_switch);
if (IS_ERR(ci->role_switch)) {
diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c
index 8a3ec1a951fe..3309ce90ca14 100644
--- a/drivers/usb/dwc3/dwc3-meson-g12a.c
+++ b/drivers/usb/dwc3/dwc3-meson-g12a.c
@@ -321,9 +321,10 @@ static int dwc3_meson_g12a_otg_mode_set(struct dwc3_meson_g12a *priv,
return 0;
}
-static int dwc3_meson_g12a_role_set(struct device *dev, enum usb_role role)
+static int dwc3_meson_g12a_role_set(struct usb_role_switch *sw,
+ enum usb_role role)
{
- struct dwc3_meson_g12a *priv = dev_get_drvdata(dev);
+ struct dwc3_meson_g12a *priv = usb_role_switch_get_drvdata(sw);
enum phy_mode mode;
if (role == USB_ROLE_NONE)
@@ -338,9 +339,9 @@ static int dwc3_meson_g12a_role_set(struct device *dev, enum usb_role role)
return dwc3_meson_g12a_otg_mode_set(priv, mode);
}
-static enum usb_role dwc3_meson_g12a_role_get(struct device *dev)
+static enum usb_role dwc3_meson_g12a_role_get(struct usb_role_switch *sw)
{
- struct dwc3_meson_g12a *priv = dev_get_drvdata(dev);
+ struct dwc3_meson_g12a *priv = usb_role_switch_get_drvdata(sw);
return priv->otg_phy_mode == PHY_MODE_USB_HOST ?
USB_ROLE_HOST : USB_ROLE_DEVICE;
@@ -499,6 +500,7 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev)
priv->switch_desc.allow_userspace_control = true;
priv->switch_desc.set = dwc3_meson_g12a_role_set;
priv->switch_desc.get = dwc3_meson_g12a_role_get;
+ priv->switch_desc.driver_data = priv;
priv->role_switch = usb_role_switch_register(dev, &priv->switch_desc);
if (IS_ERR(priv->role_switch))
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 42ae99ad9b25..0c418ce50ba0 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -2355,14 +2355,14 @@ static const struct usb_gadget_ops renesas_usb3_gadget_ops = {
.set_selfpowered = renesas_usb3_set_selfpowered,
};
-static enum usb_role renesas_usb3_role_switch_get(struct device *dev)
+static enum usb_role renesas_usb3_role_switch_get(struct usb_role_switch *sw)
{
- struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
+ struct renesas_usb3 *usb3 = usb_role_switch_get_drvdata(sw);
enum usb_role cur_role;
- pm_runtime_get_sync(dev);
+ pm_runtime_get_sync(usb3_to_dev(usb3));
cur_role = usb3_is_host(usb3) ? USB_ROLE_HOST : USB_ROLE_DEVICE;
- pm_runtime_put(dev);
+ pm_runtime_put(usb3_to_dev(usb3));
return cur_role;
}
@@ -2372,7 +2372,7 @@ static void handle_ext_role_switch_states(struct device *dev,
{
struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
struct device *host = usb3->host_dev;
- enum usb_role cur_role = renesas_usb3_role_switch_get(dev);
+ enum usb_role cur_role = renesas_usb3_role_switch_get(usb3->role_sw);
switch (role) {
case USB_ROLE_NONE:
@@ -2424,7 +2424,7 @@ static void handle_role_switch_states(struct device *dev,
{
struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
struct device *host = usb3->host_dev;
- enum usb_role cur_role = renesas_usb3_role_switch_get(dev);
+ enum usb_role cur_role = renesas_usb3_role_switch_get(usb3->role_sw);
if (cur_role == USB_ROLE_HOST && role == USB_ROLE_DEVICE) {
device_release_driver(host);
@@ -2438,19 +2438,19 @@ static void handle_role_switch_states(struct device *dev,
}
}
-static int renesas_usb3_role_switch_set(struct device *dev,
+static int renesas_usb3_role_switch_set(struct usb_role_switch *sw,
enum usb_role role)
{
- struct renesas_usb3 *usb3 = dev_get_drvdata(dev);
+ struct renesas_usb3 *usb3 = usb_role_switch_get_drvdata(sw);
- pm_runtime_get_sync(dev);
+ pm_runtime_get_sync(usb3_to_dev(usb3));
if (usb3->role_sw_by_connector)
- handle_ext_role_switch_states(dev, role);
+ handle_ext_role_switch_states(usb3_to_dev(usb3), role);
else
- handle_role_switch_states(dev, role);
+ handle_role_switch_states(usb3_to_dev(usb3), role);
- pm_runtime_put(dev);
+ pm_runtime_put(usb3_to_dev(usb3));
return 0;
}
@@ -2831,6 +2831,8 @@ static int renesas_usb3_probe(struct platform_device *pdev)
renesas_usb3_role_switch_desc.fwnode = dev_fwnode(&pdev->dev);
}
+ renesas_usb3_role_switch_desc.driver_data = usb3;
+
INIT_WORK(&usb3->role_work, renesas_usb3_role_work);
usb3->role_sw = usb_role_switch_register(&pdev->dev,
&renesas_usb3_role_switch_desc);
diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c
index 634c2c19a176..b9df6369d56d 100644
--- a/drivers/usb/gadget/udc/tegra-xudc.c
+++ b/drivers/usb/gadget/udc/tegra-xudc.c
@@ -676,12 +676,13 @@ static void tegra_xudc_usb_role_sw_work(struct work_struct *work)
}
-static int tegra_xudc_usb_role_sw_set(struct device *dev, enum usb_role role)
+static int tegra_xudc_usb_role_sw_set(struct usb_role_switch *sw,
+ enum usb_role role)
{
- struct tegra_xudc *xudc = dev_get_drvdata(dev);
+ struct tegra_xudc *xudc = usb_role_switch_get_drvdata(sw);
unsigned long flags;
- dev_dbg(dev, "%s role is %d\n", __func__, role);
+ dev_dbg(xudc->dev, "%s role is %d\n", __func__, role);
spin_lock_irqsave(&xudc->lock, flags);
@@ -3590,6 +3591,7 @@ static int tegra_xudc_probe(struct platform_device *pdev)
if (of_property_read_bool(xudc->dev->of_node, "usb-role-switch")) {
role_sx_desc.set = tegra_xudc_usb_role_sw_set;
role_sx_desc.fwnode = dev_fwnode(xudc->dev);
+ role_sx_desc.driver_data = xudc;
xudc->usb_role_sw = usb_role_switch_register(xudc->dev,
&role_sx_desc);
diff --git a/drivers/usb/mtu3/mtu3_dr.c b/drivers/usb/mtu3/mtu3_dr.c
index 08e18448e8b8..04f666e85731 100644
--- a/drivers/usb/mtu3/mtu3_dr.c
+++ b/drivers/usb/mtu3/mtu3_dr.c
@@ -320,9 +320,9 @@ void ssusb_set_force_mode(struct ssusb_mtk *ssusb,
mtu3_writel(ssusb->ippc_base, SSUSB_U2_CTRL(0), value);
}
-static int ssusb_role_sw_set(struct device *dev, enum usb_role role)
+static int ssusb_role_sw_set(struct usb_role_switch *sw, enum usb_role role)
{
- struct ssusb_mtk *ssusb = dev_get_drvdata(dev);
+ struct ssusb_mtk *ssusb = usb_role_switch_get_drvdata(sw);
bool to_host = false;
if (role == USB_ROLE_HOST)
@@ -334,9 +334,9 @@ static int ssusb_role_sw_set(struct device *dev, enum usb_role role)
return 0;
}
-static enum usb_role ssusb_role_sw_get(struct device *dev)
+static enum usb_role ssusb_role_sw_get(struct usb_role_switch *sw)
{
- struct ssusb_mtk *ssusb = dev_get_drvdata(dev);
+ struct ssusb_mtk *ssusb = usb_role_switch_get_drvdata(sw);
enum usb_role role;
role = ssusb->is_host ? USB_ROLE_HOST : USB_ROLE_DEVICE;
@@ -356,6 +356,7 @@ static int ssusb_role_sw_register(struct otg_switch_mtk *otg_sx)
role_sx_desc.set = ssusb_role_sw_set;
role_sx_desc.get = ssusb_role_sw_get;
role_sx_desc.fwnode = dev_fwnode(ssusb->dev);
+ role_sx_desc.driver_data = ssusb;
otg_sx->role_sw = usb_role_switch_register(ssusb->dev, &role_sx_desc);
return PTR_ERR_OR_ZERO(otg_sx->role_sw);
diff --git a/drivers/usb/musb/mediatek.c b/drivers/usb/musb/mediatek.c
index 6b88c2f5d970..a627f4133d6b 100644
--- a/drivers/usb/musb/mediatek.c
+++ b/drivers/usb/musb/mediatek.c
@@ -115,9 +115,8 @@ static void mtk_musb_clks_disable(struct mtk_glue *glue)
clk_disable_unprepare(glue->main);
}
-static int musb_usb_role_sx_set(struct device *dev, enum usb_role role)
+static int mtk_otg_switch_set(struct mtk_glue *glue, enum usb_role role)
{
- struct mtk_glue *glue = dev_get_drvdata(dev);
struct musb *musb = glue->musb;
u8 devctl = readb(musb->mregs + MUSB_DEVCTL);
enum usb_role new_role;
@@ -168,9 +167,14 @@ static int musb_usb_role_sx_set(struct device *dev, enum usb_role role)
return 0;
}
-static enum usb_role musb_usb_role_sx_get(struct device *dev)
+static int musb_usb_role_sx_set(struct usb_role_switch *sw, enum usb_role role)
{
- struct mtk_glue *glue = dev_get_drvdata(dev);
+ return mtk_otg_switch_set(usb_role_switch_get_drvdata(sw), role);
+}
+
+static enum usb_role musb_usb_role_sx_get(struct usb_role_switch *sw)
+{
+ struct mtk_glue *glue = usb_role_switch_get_drvdata(sw);
return glue->role;
}
@@ -182,6 +186,7 @@ static int mtk_otg_switch_init(struct mtk_glue *glue)
role_sx_desc.set = musb_usb_role_sx_set;
role_sx_desc.get = musb_usb_role_sx_get;
role_sx_desc.fwnode = dev_fwnode(glue->dev);
+ role_sx_desc.driver_data = glue;
glue->role_sw = usb_role_switch_register(glue->dev, &role_sx_desc);
return PTR_ERR_OR_ZERO(glue->role_sw);
@@ -288,8 +293,7 @@ static int mtk_musb_set_mode(struct musb *musb, u8 mode)
return -EINVAL;
}
- glue->role = new_role;
- musb_usb_role_sx_set(dev, glue->role);
+ mtk_otg_switch_set(glue, new_role);
return 0;
}
diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c
index fe34959af230..cda8cbb54581 100644
--- a/drivers/usb/roles/class.c
+++ b/drivers/usb/roles/class.c
@@ -48,7 +48,7 @@ int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role)
mutex_lock(&sw->lock);
- ret = sw->set(sw->dev.parent, role);
+ ret = sw->set(sw, role);
if (!ret)
sw->role = role;
@@ -75,7 +75,7 @@ enum usb_role usb_role_switch_get_role(struct usb_role_switch *sw)
mutex_lock(&sw->lock);
if (sw->get)
- role = sw->get(sw->dev.parent);
+ role = sw->get(sw);
else
role = sw->role;
diff --git a/drivers/usb/roles/intel-xhci-usb-role-switch.c b/drivers/usb/roles/intel-xhci-usb-role-switch.c
index 80d6559bbcb2..5c96e929acea 100644
--- a/drivers/usb/roles/intel-xhci-usb-role-switch.c
+++ b/drivers/usb/roles/intel-xhci-usb-role-switch.c
@@ -42,6 +42,7 @@
#define DRV_NAME "intel_xhci_usb_sw"
struct intel_xhci_usb_data {
+ struct device *dev;
struct usb_role_switch *role_sw;
void __iomem *base;
bool enable_sw_switch;
@@ -51,9 +52,10 @@ static const struct software_node intel_xhci_usb_node = {
"intel-xhci-usb-sw",
};
-static int intel_xhci_usb_set_role(struct device *dev, enum usb_role role)
+static int intel_xhci_usb_set_role(struct usb_role_switch *sw,
+ enum usb_role role)
{
- struct intel_xhci_usb_data *data = dev_get_drvdata(dev);
+ struct intel_xhci_usb_data *data = usb_role_switch_get_drvdata(sw);
unsigned long timeout;
acpi_status status;
u32 glk, val;
@@ -66,11 +68,11 @@ static int intel_xhci_usb_set_role(struct device *dev, enum usb_role role)
*/
status = acpi_acquire_global_lock(ACPI_WAIT_FOREVER, &glk);
if (ACPI_FAILURE(status) && status != AE_NOT_CONFIGURED) {
- dev_err(dev, "Error could not acquire lock\n");
+ dev_err(data->dev, "Error could not acquire lock\n");
return -EIO;
}
- pm_runtime_get_sync(dev);
+ pm_runtime_get_sync(data->dev);
/*
* Set idpin value as requested.
@@ -112,7 +114,7 @@ static int intel_xhci_usb_set_role(struct device *dev, enum usb_role role)
do {
val = readl(data->base + DUAL_ROLE_CFG1);
if (!!(val & HOST_MODE) == (role == USB_ROLE_HOST)) {
- pm_runtime_put(dev);
+ pm_runtime_put(data->dev);
return 0;
}
@@ -120,21 +122,21 @@ static int intel_xhci_usb_set_role(struct device *dev, enum usb_role role)
usleep_range(5000, 10000);
} while (time_before(jiffies, timeout));
- pm_runtime_put(dev);
+ pm_runtime_put(data->dev);
- dev_warn(dev, "Timeout waiting for role-switch\n");
+ dev_warn(data->dev, "Timeout waiting for role-switch\n");
return -ETIMEDOUT;
}
-static enum usb_role intel_xhci_usb_get_role(struct device *dev)
+static enum usb_role intel_xhci_usb_get_role(struct usb_role_switch *sw)
{
- struct intel_xhci_usb_data *data = dev_get_drvdata(dev);
+ struct intel_xhci_usb_data *data = usb_role_switch_get_drvdata(sw);
enum usb_role role;
u32 val;
- pm_runtime_get_sync(dev);
+ pm_runtime_get_sync(data->dev);
val = readl(data->base + DUAL_ROLE_CFG0);
- pm_runtime_put(dev);
+ pm_runtime_put(data->dev);
if (!(val & SW_IDPIN))
role = USB_ROLE_HOST;
@@ -175,7 +177,9 @@ static int intel_xhci_usb_probe(struct platform_device *pdev)
sw_desc.get = intel_xhci_usb_get_role,
sw_desc.allow_userspace_control = true,
sw_desc.fwnode = software_node_fwnode(&intel_xhci_usb_node);
+ sw_desc.driver_data = data;
+ data->dev = dev;
data->enable_sw_switch = !device_property_read_bool(dev,
"sw_switch_disable");
diff --git a/include/linux/usb/role.h b/include/linux/usb/role.h
index 02dae936cebd..c028ba8029ad 100644
--- a/include/linux/usb/role.h
+++ b/include/linux/usb/role.h
@@ -13,8 +13,9 @@ enum usb_role {
USB_ROLE_DEVICE,
};
-typedef int (*usb_role_switch_set_t)(struct device *dev, enum usb_role role);
-typedef enum usb_role (*usb_role_switch_get_t)(struct device *dev);
+typedef int (*usb_role_switch_set_t)(struct usb_role_switch *sw,
+ enum usb_role role);
+typedef enum usb_role (*usb_role_switch_get_t)(struct usb_role_switch *sw);
/**
* struct usb_role_switch_desc - USB Role Switch Descriptor
generated by cgit (git 2.34.1) at 2024-06-10 14:03:49 +0000