kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 103 deletions

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
index 4e6f128695..0000000000
--- 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);