openwrt/target/linux/generic/patches-3.18/821-usb-dwc2-dualrole.patch
Felix Fietkau d0ba3bb1e2 kernel: finally remove layer7 filter support
it has been non-functional for years and caused numerous memleaks and
crashes for people that tried to enable it.
it has no maintained upstream source, and it does not look like it's
going to be fixed any time soon

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 45423
2015-04-13 22:23:14 +00:00

147 lines
5.1 KiB
Diff

--- a/drivers/usb/dwc2/Kconfig
+++ b/drivers/usb/dwc2/Kconfig
@@ -1,6 +1,6 @@
config USB_DWC2
- bool "DesignWare USB2 DRD Core Support"
- depends on USB
+ tristate "DesignWare USB2 DRD Core Support"
+ depends on USB || USB_GADGET
help
Say Y here if your system has a Dual Role Hi-Speed USB
controller based on the DesignWare HSOTG IP Core.
@@ -10,49 +10,61 @@ config USB_DWC2
bus interface module (if you have a PCI bus system) will be
called dwc2_pci.ko, and the platform interface module (for
controllers directly connected to the CPU) will be called
- dwc2_platform.ko. For gadget mode, there will be a single
- module called dwc2_gadget.ko.
-
- NOTE: The s3c-hsotg driver is now renamed to dwc2_gadget. The
- host and gadget drivers are still currently separate drivers.
- There are plans to merge the dwc2_gadget driver with the dwc2
- host driver in the near future to create a dual-role driver.
+ dwc2_platform.ko. For all modes(host, gadget and dual-role), there
+ will be an additional module named dwc2.ko.
if USB_DWC2
+choice
+ bool "DWC2 Mode Selection"
+ default USB_DWC2_DUAL_ROLE if (USB && USB_GADGET)
+ default USB_DWC2_HOST if (USB && !USB_GADGET)
+ default USB_DWC2_PERIPHERAL if (!USB && USB_GADGET)
+
config USB_DWC2_HOST
- tristate "Host only mode"
+ bool "Host only mode"
depends on USB
help
The Designware USB2.0 high-speed host controller
- integrated into many SoCs.
+ integrated into many SoCs. Select this option if you want the
+ driver to operate in Host-only mode.
-config USB_DWC2_PLATFORM
- bool "DWC2 Platform"
- depends on USB_DWC2_HOST
- default USB_DWC2_HOST
+comment "Gadget/Dual-role mode requires USB Gadget support to be enabled"
+
+config USB_DWC2_PERIPHERAL
+ bool "Gadget only mode"
+ depends on USB_GADGET=y || USB_GADGET=USB_DWC2
help
- The Designware USB2.0 platform interface module for
- controllers directly connected to the CPU. This is only
- used for host mode.
+ The Designware USB2.0 high-speed gadget controller
+ integrated into many SoCs. Select this option if you want the
+ driver to operate in Peripheral-only mode. This option requires
+ USB_GADGET to be enabled.
+
+config USB_DWC2_DUAL_ROLE
+ bool "Dual Role mode"
+ depends on (USB=y || USB=USB_DWC2) && (USB_GADGET=y || USB_GADGET=USB_DWC2)
+ help
+ Select this option if you want the driver to work in a dual-role
+ mode. In this mode both host and gadget features are enabled, and
+ the role will be determined by the cable that gets plugged-in. This
+ option requires USB_GADGET to be enabled.
+endchoice
+
+config USB_DWC2_PLATFORM
+ tristate "DWC2 Platform"
+ default USB_DWC2_HOST || USB_DWC2_PERIPHERAL
+ help
+ The Designware USB2.0 platform interface module for
+ controllers directly connected to the CPU.
config USB_DWC2_PCI
- bool "DWC2 PCI"
+ tristate "DWC2 PCI"
depends on USB_DWC2_HOST && PCI
default USB_DWC2_HOST
help
The Designware USB2.0 PCI interface module for controllers
connected to a PCI bus. This is only used for host mode.
-comment "Gadget mode requires USB Gadget support to be enabled"
-
-config USB_DWC2_PERIPHERAL
- tristate "Gadget only mode"
- depends on USB_GADGET
- help
- The Designware USB2.0 high-speed gadget controller
- integrated into many SoCs.
-
config USB_DWC2_DEBUG
bool "Enable Debugging Messages"
help
--- a/drivers/usb/dwc2/Makefile
+++ b/drivers/usb/dwc2/Makefile
@@ -1,28 +1,28 @@
ccflags-$(CONFIG_USB_DWC2_DEBUG) += -DDEBUG
ccflags-$(CONFIG_USB_DWC2_VERBOSE) += -DVERBOSE_DEBUG
-obj-$(CONFIG_USB_DWC2_HOST) += dwc2.o
+obj-$(CONFIG_USB_DWC2) += dwc2.o
dwc2-y := core.o core_intr.o
-dwc2-y += hcd.o hcd_intr.o
-dwc2-y += hcd_queue.o hcd_ddma.o
+
+ifneq ($(filter y,$(CONFIG_USB_DWC2_HOST) $(CONFIG_USB_DWC2_DUAL_ROLE)),)
+ dwc2-y += hcd.o hcd_intr.o
+ dwc2-y += hcd_queue.o hcd_ddma.o
+endif
+
+ifneq ($(filter y,$(CONFIG_USB_DWC2_PERIPHERAL) $(CONFIG_USB_DWC2_DUAL_ROLE)),)
+ dwc2-y += gadget.o
+endif
# NOTE: The previous s3c-hsotg peripheral mode only driver has been moved to
# this location and renamed gadget.c. When building for dynamically linked
-# modules, dwc2_gadget.ko will get built for peripheral mode. For host mode,
-# the core module will be dwc2.ko, the PCI bus interface module will called
-# dwc2_pci.ko and the platform interface module will be called dwc2_platform.ko.
-# At present the host and gadget driver will be separate drivers, but there
-# are plans in the near future to create a dual-role driver.
+# modules, dwc2.ko will get built for host mode, peripheral mode, and dual-role
+# mode. The PCI bus interface module will called dwc2_pci.ko and the platform
+# interface module will be called dwc2_platform.ko.
ifneq ($(CONFIG_USB_DWC2_PCI),)
- obj-$(CONFIG_USB_DWC2_HOST) += dwc2_pci.o
+ obj-$(CONFIG_USB_DWC2) += dwc2_pci.o
dwc2_pci-y := pci.o
endif
-ifneq ($(CONFIG_USB_DWC2_PLATFORM),)
- obj-$(CONFIG_USB_DWC2_HOST) += dwc2_platform.o
- dwc2_platform-y := platform.o
-endif
-
-obj-$(CONFIG_USB_DWC2_PERIPHERAL) += dwc2_gadget.o
-dwc2_gadget-y := gadget.o
+obj-$(CONFIG_USB_DWC2_PLATFORM) += dwc2_platform.o
+dwc2_platform-y := platform.o