kernel: delete Linux 5.4 config and patches

[openwrt/staging/wigyori.git] / target / linux / layerscape / patches-5.4 / 820-usb-0006-usb-dwc3-drd-add-usb-role-switch-class-support-for-d.patch

diff --git a/target/linux/layerscape/patches-5.4/820-usb-0006-usb-dwc3-drd-add-usb-role-switch-class-support-for-d.patch b/target/linux/layerscape/patches-5.4/820-usb-0006-usb-dwc3-drd-add-usb-role-switch-class-support-for-d.patch
deleted file mode 100644 (file)
index 4e6f128..0000000
--- a/target/linux/layerscape/patches-5.4/820-usb-0006-usb-dwc3-drd-add-usb-role-switch-class-support-for-d.patch
+++ /dev/null
@@ -1,103 +0,0 @@
-From 8595748e58885439c7e18a11a94702378bff3b02 Mon Sep 17 00:00:00 2001
-From: Li Jun <jun.li@nxp.com>
-Date: Sun, 27 Jan 2019 19:40:03 +0800
-Subject: [PATCH] usb: dwc3: drd: add usb role switch class support for dual
- role swap
-
-Register a usb_role_switch for dual role swap if the property
-"usb-role-switch" is present.
-
-Signed-off-by: Li Jun <jun.li@nxp.com>
----
- drivers/usb/dwc3/core.h |  2 ++
- drivers/usb/dwc3/drd.c  | 47 ++++++++++++++++++++++++++++++++++++++++++++++-
- 2 files changed, 48 insertions(+), 1 deletion(-)
-
---- a/drivers/usb/dwc3/core.h
-+++ b/drivers/usb/dwc3/core.h
-@@ -25,6 +25,7 @@
- #include <linux/usb/ch9.h>
- #include <linux/usb/gadget.h>
- #include <linux/usb/otg.h>
-+#include <linux/usb/role.h>
- #include <linux/ulpi/interface.h>
- 
- #include <linux/phy/phy.h>
-@@ -1096,6 +1097,7 @@ struct dwc3 {
-       void __iomem            *regs;
-       size_t                  regs_size;
- 
-+      struct usb_role_switch  *role_switch;
-       enum usb_dr_mode        dr_mode;
-       u32                     current_dr_role;
-       u32                     desired_dr_role;
---- a/drivers/usb/dwc3/drd.c
-+++ b/drivers/usb/dwc3/drd.c
-@@ -476,6 +476,43 @@ static struct extcon_dev *dwc3_get_extco
-       return edev;
- }
- 
-+static int dwc3_usb_role_switch_set(struct device *dev, enum usb_role role)
-+{
-+      u32 mode;
-+
-+      switch (role) {
-+      case USB_ROLE_HOST:
-+              mode = DWC3_GCTL_PRTCAP_HOST;
-+              break;
-+      case USB_ROLE_DEVICE:
-+              mode = DWC3_GCTL_PRTCAP_DEVICE;
-+              break;
-+      default:
-+              return 0;
-+      };
-+
-+      dwc3_set_mode(dev_get_drvdata(dev), mode);
-+      return 0;
-+}
-+
-+static enum usb_role dwc3_usb_role_switch_get(struct device *dev)
-+{
-+      struct dwc3 *dwc = dev_get_drvdata(dev);
-+      unsigned long flags;
-+      enum usb_role role;
-+
-+      spin_lock_irqsave(&dwc->lock, flags);
-+      role = dwc->current_dr_role;
-+      spin_unlock_irqrestore(&dwc->lock, flags);
-+
-+      return role;
-+}
-+
-+static const struct usb_role_switch_desc dwc3_role_switch = {
-+      .set = dwc3_usb_role_switch_set,
-+      .get = dwc3_usb_role_switch_get,
-+};
-+
- int dwc3_drd_init(struct dwc3 *dwc)
- {
-       int ret, irq;
-@@ -484,7 +521,12 @@ int dwc3_drd_init(struct dwc3 *dwc)
-       if (IS_ERR(dwc->edev))
-               return PTR_ERR(dwc->edev);
- 
--      if (dwc->edev) {
-+      if (device_property_read_bool(dwc->dev, "usb-role-switch")) {
-+              dwc->role_switch = usb_role_switch_register(dwc->dev,
-+                                                          &dwc3_role_switch);
-+              if (IS_ERR(dwc->role_switch))
-+                      return PTR_ERR(dwc->role_switch);
-+      } else if (dwc->edev) {
-               dwc->edev_nb.notifier_call = dwc3_drd_notifier;
-               ret = extcon_register_notifier(dwc->edev, EXTCON_USB_HOST,
-                                              &dwc->edev_nb);
-@@ -531,6 +573,9 @@ void dwc3_drd_exit(struct dwc3 *dwc)
- {
-       unsigned long flags;
- 
-+      if (dwc->role_switch)
-+              usb_role_switch_unregister(dwc->role_switch);
-+
-       if (dwc->edev)
-               extcon_unregister_notifier(dwc->edev, EXTCON_USB_HOST,
-                                          &dwc->edev_nb);