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2020-06-13treewide: replace '---help---' in Kconfig files with 'help'Masahiro Yamada1-4/+4
Since commit 84af7a6194e4 ("checkpatch: kconfig: prefer 'help' over '---help---'"), the number of '---help---' has been gradually decreasing, but there are still more than 2400 instances. This commit finishes the conversion. While I touched the lines, I also fixed the indentation. There are a variety of indentation styles found. a) 4 spaces + '---help---' b) 7 spaces + '---help---' c) 8 spaces + '---help---' d) 1 space + 1 tab + '---help---' e) 1 tab + '---help---' (correct indentation) f) 1 tab + 1 space + '---help---' g) 1 tab + 2 spaces + '---help---' In order to convert all of them to 1 tab + 'help', I ran the following commend: $ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/' Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2019-09-03usb: common: create Kconfig fileChunfeng Yun1-34/+1
Create Kconfig file for USB common core, and move USB_LED_TRIG and USB_ULPI_BUS configs into the new file from the parent Kconfig, it will help to add new configs later. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Link: https://lore.kernel.org/r/1567070558-29417-10-git-send-email-chunfeng.yun@mediatek.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-09-02Merge tag 'usb-for-v5.4' of ↵Greg Kroah-Hartman1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next Felipe writes: USB: Changes for v5.4 merge window With only 45 non-merge commits, we have a small merge window from the Gadget perspective. The biggest change here is the addition of the Cadence USB3 DRD Driver. All other changes are small, non-critical fixes or smaller new features like the improvement to BESL handling in dwc3. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> * tag 'usb-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: (45 commits) usb: gadget: net2280: Add workaround for AB chip Errata 11 usb: gadget: net2280: Move all "ll" registers in one structure usb: dwc3: gadget: Workaround Mirosoft's BESL check usb:cdns3 Fix for stuck packets in on-chip OUT buffer. usb: cdns3: Add Cadence USB3 DRD Driver usb: common: Simplify usb_decode_get_set_descriptor function. usb: common: Patch simplify usb_decode_set_clear_feature function. usb: common: Separated decoding functions from dwc3 driver. dt-bindings: add binding for USBSS-DRD controller. usb: gadget: composite: Set recommended BESL values usb: dwc3: gadget: Set BESL config parameter usb: dwc3: Separate field holding multiple properties usb: gadget: Export recommended BESL values usb: phy: phy-fsl-usb: Make structure fsl_otg_initdata constant usb: udc: lpc32xx: silence fall-through warning usb: dwc3: meson-g12a: fix suspend resume regulator unbalanced disables usb: udc: lpc32xx: remove set but not used 3 variables usb: gadget: udc: core: Fix segfault if udc_bind_to_driver() for pending driver fails usb: dwc3: st: Add of_dev_put() in probe function usb: dwc3: st: Add of_node_put() before return in probe function ...
2019-08-29usb: cdns3: Add Cadence USB3 DRD DriverPawel Laszczak1-0/+2
This patch introduce new Cadence USBSS DRD driver to Linux kernel. The Cadence USBSS DRD Controller is a highly configurable IP Core which can be instantiated as Dual-Role Device (DRD), Peripheral Only and Host Only (XHCI)configurations. The current driver has been validated with FPGA platform. We have support for PCIe bus, which is used on FPGA prototyping. The host side of USBSS-DRD controller is compliant with XHCI specification, so it works with standard XHCI Linux driver. Signed-off-by: Pawel Laszczak <pawell@cadence.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2019-08-08USB: Move wusbcore and UWB to staging as it is obsoleteGreg Kroah-Hartman1-2/+0
The UWB and wusbcore code is long obsolete, so let us just move the code out of the real part of the kernel and into the drivers/staging/ location with plans to remove it entirely in a few releases. Link: https://lore.kernel.org/r/20190806101509.GA11280@kroah.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-13Merge tag 'dma-mapping-5.3' of git://git.infradead.org/users/hch/dma-mappingLinus Torvalds1-0/+1
Pull dma-mapping updates from Christoph Hellwig: - move the USB special case that bounced DMA through a device bar into the USB code instead of handling it in the common DMA code (Laurentiu Tudor and Fredrik Noring) - don't dip into the global CMA pool for single page allocations (Nicolin Chen) - fix a crash when allocating memory for the atomic pool failed during boot (Florian Fainelli) - move support for MIPS-style uncached segments to the common code and use that for MIPS and nios2 (me) - make support for DMA_ATTR_NON_CONSISTENT and DMA_ATTR_NO_KERNEL_MAPPING generic (me) - convert nds32 to the generic remapping allocator (me) * tag 'dma-mapping-5.3' of git://git.infradead.org/users/hch/dma-mapping: (29 commits) dma-mapping: mark dma_alloc_need_uncached as __always_inline MIPS: only select ARCH_HAS_UNCACHED_SEGMENT for non-coherent platforms usb: host: Fix excessive alignment restriction for local memory allocations lib/genalloc.c: Add algorithm, align and zeroed family of DMA allocators nios2: use the generic uncached segment support in dma-direct nds32: use the generic remapping allocator for coherent DMA allocations arc: use the generic remapping allocator for coherent DMA allocations dma-direct: handle DMA_ATTR_NO_KERNEL_MAPPING in common code dma-direct: handle DMA_ATTR_NON_CONSISTENT in common code dma-mapping: add a dma_alloc_need_uncached helper openrisc: remove the partial DMA_ATTR_NON_CONSISTENT support arc: remove the partial DMA_ATTR_NON_CONSISTENT support arm-nommu: remove the partial DMA_ATTR_NON_CONSISTENT support ARM: dma-mapping: allow larger DMA mask than supported dma-mapping: truncate dma masks to what dma_addr_t can hold iommu/dma: Apply dma_{alloc,free}_contiguous functions dma-remap: Avoid de-referencing NULL atomic_pool MIPS: use the generic uncached segment support in dma-direct dma-direct: provide generic support for uncached kernel segments au1100fb: fix DMA API abuse ...
2019-07-04Revert "usb:cdns3 Add Cadence USB3 DRD Driver"Greg Kroah-Hartman1-2/+0
This reverts commit 8bc1901ca7b07d864fca11461b3875b31f949765. It's broken. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Felipe Balbi <balbi@kernel.org> Cc: Pawel Laszczak <pawell@cadence.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-07-03Merge tag 'usb-for-v5.3-part2' of ↵Greg Kroah-Hartman1-0/+2
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next Felipe writes: USB: more changes for v5.3 merge window Turns out a few more important changes came about. We have the new Cadence DRD Driver being added here and that's the biggest, most important part. Together with that we have suport for new imx7ulp phy. Support for TigerLake Devices on dwc3. Also a couple important fixes which weren't completed in time for the -rc cycle. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> * tag 'usb-for-v5.3-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: usb: renesas_usbhs: add a workaround for a race condition of workqueue usb: gadget: udc: renesas_usb3: remove redundant assignment to ret usb: dwc2: use a longer AHB idle timeout in dwc2_core_reset() USB: gadget: function: fix issue Unneeded variable: "value" usb: phy: phy-mxs-usb: add imx7ulp support doc: dt-binding: mxs-usb-phy: add compatible for 7ulp usb:cdns3 Fix for stuck packets in on-chip OUT buffer. usb:cdns3 Add Cadence USB3 DRD Driver usb:gadget Simplify usb_decode_get_set_descriptor function. usb:gadget Patch simplify usb_decode_set_clear_feature function. usb:gadget Separated decoding functions from dwc3 driver. dt-bindings: add binding for USBSS-DRD controller. usb: dwc3: pci: add support for TigerLake Devices
2019-07-03usb:cdns3 Add Cadence USB3 DRD DriverPawel Laszczak1-0/+2
This patch introduce new Cadence USBSS DRD driver to Linux kernel. The Cadence USBSS DRD Controller is a highly configurable IP Core which can be instantiated as Dual-Role Device (DRD), Peripheral Only and Host Only (XHCI)configurations. The current driver has been validated with FPGA platform. We have support for PCIe bus, which is used on FPGA prototyping. The host side of USBSS-DRD controller is compliant with XHCI specification, so it works with standard XHCI Linux driver. Signed-off-by: Pawel Laszczak <pawell@cadence.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2019-06-20docs: usb: rename files to .rst and add them to drivers-apiMauro Carvalho Chehab1-1/+1
While there are a mix of things here, most of the stuff were written from Kernel developer's PoV. So, add them to the driver-api book. A follow up for this patch would be to move documents from there that are specific to sysadmins, adding them to the admin-guide. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Johan Hovold <johan@kernel.org> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-03USB: use genalloc for USB HCs with local memoryLaurentiu Tudor1-0/+1
For HCs that have local memory, replace the current DMA API usage with a genalloc generic allocator to manage the mappings for these devices. To help users, introduce a new HCD API, usb_hcd_setup_local_mem() that will setup up the genalloc backing up the device local memory. It will be used in subsequent patches. This is in preparation for dropping the existing "coherent" dma mem declaration APIs. The current implementation was relying on a short circuit in the DMA API that in the end, was acting as an allocator for these type of devices. Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com> Tested-by: Fredrik Noring <noring@nocrew.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Christoph Hellwig <hch@lst.de>
2019-01-22USB: add missing SPDX lines to Kconfig and MakefilesGreg Kroah-Hartman1-0/+1
There are a few remaining drivers/usb/ files that do not have SPDX identifiers in them, all of these are either Kconfig or Makefiles. Add the correct GPL-2.0 identifier to them to make scanning tools happy. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-17usb: roles: Add a description for the class to KconfigHeikki Krogerus1-4/+0
That makes the USB role switch support option visible and selectable for the user. The class driver is also moved to drivers/usb/roles/ directory. This will fix an issue that we have with the Intel USB role switch driver on systems that don't have USB Type-C connectors: Intel USB role switch driver depends on the USB role switch class as it should, but since there was no way for the user to enable the USB role switch class, there was also no way to select that driver. USB Type-C drivers select the USB role switch class which makes the Intel USB role switch driver available and therefore hides the problem. So in practice Intel USB role switch driver was depending on USB Type-C drivers. Fixes: f6fb9ec02be1 ("usb: roles: Add Intel xHCI USB role switch driver") Cc: <stable@vger.kernel.org> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usb: select USB_COMMON for usb role switch configArnd Bergmann1-0/+1
The new axp288 extcon driver has no dependency on USB itself but calls the usb role switch helper functions. This causes a link error when USB_COMMON is disabled, as that subdirectory never gets entered: drivers/extcon/extcon-axp288.o: In function `axp288_usb_role_work': extcon-axp288.c:(.text+0x47b): undefined reference to `usb_role_switch_set_role' extcon-axp288.c:(.text+0x498): undefined reference to `usb_role_switch_get_role' drivers/extcon/extcon-axp288.o: In function `axp288_extcon_probe': extcon-axp288.c:(.text+0x675): undefined reference to `usb_role_switch_get' extcon-axp288.c:(.text+0x6d1): undefined reference to `usb_role_switch_put' drivers/extcon/extcon-axp288.o: In function `axp288_put_role_sw': extcon-axp288.c:(.text+0x1c): undefined reference to `usb_role_switch_put' There are multiple ways of fixing this, I chose to 'select USB_COMMON', since that is how we solved the same problem for other helpers like USB_LED_TRIG or PHY drivers. Fixes: d54f063cdbe4 ("extcon: axp288: Set USB role where necessary") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-22usb: roles: Add Intel xHCI USB role switch driverHans de Goede1-0/+2
Various Intel SoCs (Cherry Trail, Broxton and others) have an internal USB role switch for swiching the OTG USB data lines between the xHCI host controller and the dwc3 gadget controller. Note on some Cherry Trail systems there is ACPI/AML code listening to edge interrupts on the id-pin (through an _AIE ACPI method) and switching the role between ROLE_HOST and ROLE_NONE based on the id-pin. Note it does not set the role to ROLE_DEVICE, because device-mode is usually not used under Windows. The presence of AML code which modifies the cfg0 reg (on some systems) means that our read/write/modify of cfg0 may race with the AML code doing the same to avoid this we take the global ACPI lock while doing the read/write/modify. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-22usb: common: Small class for USB role switchesHeikki Krogerus1-0/+3
USB role switch is a device that can be used to choose the data role for USB connector. With dual-role capable USB controllers, the controller itself will be the switch, but on some platforms the USB host and device controllers are separate IPs and there is a mux between them and the connector. On those platforms the mux driver will need to register the switch. With USB Type-C connectors, the host-to-device relationship is negotiated over the Configuration Channel (CC). That means the USB Type-C drivers need to be in control of the role switch. The class provides a simple API for the USB Type-C drivers for the control. For other types of USB connectors (mainly microAB) the class provides user space control via sysfs attribute file that can be used to request role swapping from the switch. Reviewed-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-02-16sparc,leon: Select USB_UHCI_BIG_ENDIAN_{MMIO,DESC}James Hogan1-2/+0
Now that USB_UHCI_BIG_ENDIAN_MMIO and USB_UHCI_BIG_ENDIAN_DESC are moved outside of the USB_SUPPORT conditional, simply select them from SPARC_LEON rather than by the symbol's defaults in drivers/usb/Kconfig, similar to how it is done for USB_EHCI_BIG_ENDIAN_MMIO and USB_EHCI_BIG_ENDIAN_DESC. Signed-off-by: James Hogan <jhogan@kernel.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Corentin Labbe <clabbe.montjoie@gmail.com> Cc: sparclinux@vger.kernel.org Cc: linux-usb@vger.kernel.org Acked-by: David S. Miller <davem@davemloft.net> Patchwork: https://patchwork.linux-mips.org/patch/18560/
2018-02-16usb: Move USB_UHCI_BIG_ENDIAN_* out of USB_SUPPORTJames Hogan1-0/+8
Move the Kconfig symbols USB_UHCI_BIG_ENDIAN_MMIO and USB_UHCI_BIG_ENDIAN_DESC out of drivers/usb/host/Kconfig, which is conditional upon USB && USB_SUPPORT, so that it can be freely selected by platform Kconfig symbols in architecture code. For example once the MIPS_GENERIC platform selects are fixed in commit 2e6522c56552 ("MIPS: Fix typo BIG_ENDIAN to CPU_BIG_ENDIAN"), the MIPS 32r6_defconfig warns like so: warning: (MIPS_GENERIC) selects USB_UHCI_BIG_ENDIAN_MMIO which has unmet direct dependencies (USB_SUPPORT && USB) warning: (MIPS_GENERIC) selects USB_UHCI_BIG_ENDIAN_DESC which has unmet direct dependencies (USB_SUPPORT && USB) Fixes: 2e6522c56552 ("MIPS: Fix typo BIG_ENDIAN to CPU_BIG_ENDIAN") Signed-off-by: James Hogan <jhogan@kernel.org> Cc: Corentin Labbe <clabbe.montjoie@gmail.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paul Burton <paul.burton@mips.com> Cc: linux-usb@vger.kernel.org Cc: linux-mips@linux-mips.org Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Patchwork: https://patchwork.linux-mips.org/patch/18559/
2017-11-01usb: Kconfig: clarify use of USB_PCIChris Mayo1-4/+5
Make the intended use of this option easier to grasp. Signed-off-by: Chris Mayo <aklhfex@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23usb: USB Type-C connector classHeikki Krogerus1-0/+2
The purpose of USB Type-C connector class is to provide unified interface for the user space to get the status and basic information about USB Type-C connectors on a system, control over data role swapping, and when the port supports USB Power Delivery, also control over power role swapping and Alternate Modes. Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-and-Tested-by: Felipe Balbi <felipe.balbi@linux.intel.com> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-17usb: add CONFIG_USB_PCI for system have both PCI HW and non-PCI based USB HWyuan linyu1-1/+11
a lot of embeded system SOC (e.g. freescale T2080) have both PCI and USB modules. But USB module is controlled by registers directly, it have no relationship with PCI module. when say N here it will not build PCI related code in USB driver. Signed-off-by: yuan linyu <Linyu.Yuan@alcatel-sbell.com.cn> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-10-27usb: Add MediaTek USB3 DRD driverChunfeng Yun1-0/+2
This patch adds support for the MediaTek USB3 controller integrated into MT8173. It currently supports High-Speed Peripheral Only mode. Super-Speed Peripheral, Dual-Role Device and Host Only (xHCI) modes will be added in the next patchs. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-27usb: Kconfig: using select for USB_COMMON dependencyPeter Chen1-2/+3
According to (badf6d47f8a9 "usb: common: rework CONFIG_USB_COMMON logic") we should select USB_COMMON at Kconfig when usb common stuffs are needed, but some of Kconfig enties have not followed it, update them. Cc: Felipe Balbi <balbi@kernel.org> Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Peter Chen <peter.chen@nxp.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-12usb: Kconfig: let USB_ULPI_BUS depends on USB_COMMONPeter Chen1-0/+1
Since ulpi bus driver is located at usb/common/ulpi.c, whether it is compiled or not depends on CONFIG_USB_COMMON which needs either USB Host or USB Gadget is enabled, so even CONFIG_USB_ULPI_BUS is chosen, its source may still not be compiled when both USB HOST and USB gadget are disabled. It fixed compile error with below configurations: - # CONFIG_USB is not set - # CONFIG_USB_GADGET is not set - CONFIG_PHY_TUSB1210=m - CONFIG_USB_ULPI_BUS=m >> All errors (new ones prefixed by >>): >> >> ERROR: "ulpi_unregister_driver" [drivers/phy/phy-tusb1210.ko] undefined! >> ERROR: "__ulpi_register_driver" [drivers/phy/phy-tusb1210.ko] undefined! >> ERROR: "ulpi_write" [drivers/phy/phy-tusb1210.ko] undefined! Fixes: ad764c49f65a ("usb: Kconfig: move ulpi bus support out of host") Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-09-09usb: Kconfig: move ulpi bus support out of hostPeter Chen1-0/+20
The ULPI bus is not only for host, but for device mode too, so move it out from host's Kconfig. Signed-off-by: Peter Chen <peter.chen@nxp.com> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-04-18usb: common: rework CONFIG_USB_COMMON logicArnd Bergmann1-2/+1
The phy-am335x driver selects 'USB_COMMON', but all other drivers use 'depends on' for that symbol, and it depends on USB || USB_GADGET itself, which causes a Kconfig warning: warning: (AM335X_PHY_USB) selects USB_COMMON which has unmet direct dependencies (USB_SUPPORT && (USB || USB_GADGET)) As suggested by Felipe Balbi, this turns the logic around, and makes 'USB_COMMON' selected by everything else that needs it, so we can remove the dependencies. Fixes: 59f042f644c5 ("usb: phy: phy-am335x: bypass first VBUS sensing for host-only mode") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Felipe Balbi <balbi@kernel.org> Reviewed-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2015-01-27usb: isp1760: Move driver from drivers/usb/host/ to drivers/usb/isp1760/Laurent Pinchart1-0/+2
Now that this is DRD, it doesn't make sense to keep it under drivers/usb/host. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2014-09-25usb: Add LED triggers for USB activityMichal Sojka1-0/+10
With this patch, USB activity can be signaled by blinking a LED. There are two triggers, one for activity on USB host and one for USB gadget. Both triggers should work with all host/device controllers. Tested only with musb. Performace: I measured performance overheads on ARM Cortex-A8 (TI AM335x) running on 600 MHz. Duration of usb_led_activity(): - with no LED attached to the trigger: 2 ± 1 µs - with one GPIO LED attached to the trigger: 2 ± 1 µs or 8 ± 2 µs (two peaks in histogram) Duration of functions calling usb_led_activity() (with this patch applied and no LED attached to the trigger): - __usb_hcd_giveback_urb(): 10 - 25 µs - usb_gadget_giveback_request(): 2 - 6 µs Signed-off-by: Michal Sojka <sojka@merica.cz> Acked-by: Felipe Balbi <balbi@ti.com> Tested-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-08-25usbip: move usbip kernel code out of stagingValentina Manea1-0/+2
At this point, USB/IP kernel code is fully functional and can be moved out of staging. Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-19usb: host: remove USB_ARCH_HAS_?HCIPaul Bolle1-10/+0
USB_ARCH_HAS_EHCI, USB_ARCH_HAS_OHCI, and USB_ARCH_HAS_XHCI were made obsolete in v3.11. They have not been used ever since. Setting them has no effect. They can safely be removed. Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-01-21Merge tag 'usb-3.14-rc1' of ↵Linus Torvalds1-2/+2
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB updates from Greg KH: "Here's the big USB pull request for 3.14-rc1 Lots of little things all over the place, and the usual USB gadget updates, and XHCI fixes (some for an issue reported by a lot of people). USB PHY updates as well as chipidea updates and fixes. All of these have been in the linux-next tree with no reported issues" * tag 'usb-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (318 commits) usb: chipidea: udc: using MultO at TD as real mult value for ISO-TX usb: chipidea: need to mask INT_STATUS when write otgsc usb: chipidea: put hw_phymode_configure before ci_usb_phy_init usb: chipidea: Fix Internal error: : 808 [#1] ARM related to STS flag usb: chipidea: imx: set CI_HDRC_IMX28_WRITE_FIX for imx28 usb: chipidea: add freescale imx28 special write register method usb: ehci: add freescale imx28 special write register method usb: core: check for valid id_table when using the RefId feature usb: cdc-wdm: resp_count can be 0 even if WDM_READ is set usb: core: bail out if user gives an unknown RefId when using new_id usb: core: allow a reference device for new_id usb: core: add sanity checks when using bInterfaceClass with new_id USB: image: correct spelling mistake in comment USB: c67x00: correct spelling mistakes in comments usb: delete non-required instances of include <linux/init.h> usb:hub set hub->change_bits when over-current happens Revert "usb: chipidea: imx: set CI_HDRC_IMX28_WRITE_FIX for imx28" xhci: Set scatter-gather limit to avoid failed block writes. xhci: Avoid infinite loop when sg urb requires too many trbs usb: gadget: remove unused variable in gr_queue_int() ...
2014-01-14Move DWC2 driver out of stagingPaul Zimmerman1-0/+2
The DWC2 driver should now be in good enough shape to move out of staging. I have stress tested it overnight on RPI running mass storage and Ethernet transfers in parallel, and for several days on our proprietary PCI-based platform. Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Cc: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-12-23usb: musb: Rework USB and USB_GADGET dependencyEzequiel Garcia1-2/+2
This USB controller can work in as host-only, gadget-only or dual-role modes. Rework the dependency on the USB and USB_GADGET configs in order to allow building the driver when !USB or !USG_GADGET. Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-08-12usb: Move definition of USB_EHCI_BIG_ENDIAN_MMIO et al. out side of the ifs.David Daney1-0/+17
When CONFIG_USB_SUPPORT is not selected we get things like: scripts/kconfig/mconf Kconfig warning: (MIPS_SEAD3 && PMC_MSP && CPU_CAVIUM_OCTEON) selects USB_EHCI_BIG_ENDIAN_MMIO which has unmet direct dependencies (USB_SUPPORT && USB) It is much cleaner to make the various system Kconfigs select USB_EHCI_BIG_ENDIAN_MMIO rather than move the system config information into USB's Kconfig, but the warnings are annoying. Eliminate the warning by moving the definition of USB_EHCI_BIG_ENDIAN_MMIO outside of all the Kconfig if statements. While we are at it move USB_OHCI_BIG_ENDIAN_DESC, USB_OHCI_BIG_ENDIAN_MMIO, USB_OHCI_LITTLE_ENDIAN and USB_EHCI_BIG_ENDIAN_DESC too, as they could very well suffer similar problems for other systems. Get rid of the redundant "default n" in USB_OHCI_BIG_ENDIAN_DESC and USB_OHCI_BIG_ENDIAN_MMIO Signed-off-by: David Daney <david.daney@cavium.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-06usb: host: make USB_ARCH_HAS_?HCI obsoleteArnd Bergmann1-62/+7
The three options USB_ARCH_HAS_{EHCI,OHCI,XHCI} are all well beyond their recommended shelf life. They have caused numerous build failures over the years because they are never completely correct, and with the move to splitting out the platform specific back-ends out of the driver, there is no real need for them any more. Also, the use of making USB_ARCH_HAS_HCD depend on it is questionable since one can always enable dummy_hc these days. This patch enables them unconditionally for all platforms and architectures, which means it is now possible to build host controller drivers for machines that are known not to come with this hardware, but that is just how we treat most other drivers. In order to minimise the impact on existing architecture code and defconfig files, all the Kconfig are left present for now. All platforms that currently do 'select USB_ARCH_HAS_*' should subsequently be changed not to select that. All drivers depending on USB_ARCH_HAS_HCD should be changed to depend on USB_SUPPORT instead. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Alan Stern <stern@rowland.harvard.edu> Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-10USB: regroup all depends on USB within an if USB blockFlorian Fainelli1-8/+15
This patch removes the depends on USB from all config symbols in drivers/usb/host/Kconfig and replace that with an if USB / endif block as suggested by Alan Stern. Some source ... Kconfig lines have been shuffled around to permit a better regroupment of the Kconfig files depending on "config USB" item. No functionnal change is introduced. Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-18usb: phy: move all PHY drivers to drivers/usb/phy/Felipe Balbi1-2/+0
that's a much more reasonable location for those drivers. It helps us saving drivers/usb/otg/ for when we actually start adding generic OTG code. Also completely delete drivers/usb/otg/ as there's nothing left there. Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-01-12USB: select USB_ARCH_HAS_EHCI for MXSMaxime Ripard1-0/+1
Commit 09f6ffde (USB: EHCI: fix build error by making ChipIdea host a normal EHCI driver) introduced a dependency on USB_EHCI_HCD for the chipidea USB host driver, that in turns depends on USB_ARCH_HAS_EHCI. If this symbol is not set for MXS, the MXS boards are not able to use the chipidea driver anymore. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-02Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-1/+0
Pull ARM soc general cleanups from Olof Johansson: "This is a large branch that contains a handful of different cleanups: - Fixing up the I/O space remapping on PCI on ARM. This is a series from Rob Herring that restructures how all pci devices allocate I/O space, and it's part of the work to allow multiplatform kernels. - A number of cleanup series for OMAP, moving and removing some headers, sparse irq rework and in general preparation for multiplatform. - Final removal of all non-DT boards for Tegra, it is now device-tree-only! - Removal of a stale platform, nxp4008. It's an old mobile chipset that is no longer in use, and was very likely never really used with a mainline kernel. We have not been able to find anyone interested in keeping it around in the kernel. - Removal of the legacy dmaengine driver on tegra + A handful of other things that I haven't described above." Fix up some conflicts with the staging tree (and because nxp4008 was removed) * tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (184 commits) ARM: OMAP2+: serial: Change MAX_HSUART_PORTS to 6 ARM: OMAP4: twl-common: Support for additional devices on i2c1 bus ARM: mmp: using for_each_set_bit to simplify the code ARM: tegra: harmony: fix ldo7 regulator-name ARM: OMAP2+: Make omap4-keypad.h local ARM: OMAP2+: Make l4_3xxx.h local ARM: OMAP2+: Make l4_2xxx.h local ARM: OMAP2+: Make l3_3xxx.h local ARM: OMAP2+: Make l3_2xxx.h local ARM: OMAP1: Move irda.h from plat to mach ARM: OMAP2+: Make hdq1w.h local ARM: OMAP2+: Make gpmc-smsc911x.h local ARM: OMAP2+: Make gpmc-smc91x.h local ARM: OMAP1: Move flash.h from plat to mach ARM: OMAP2+: Make debug-devices.h local ARM: OMAP1: Move board-voiceblue.h from plat to mach ARM: OMAP1: Move board-sx1.h from plat to mach ARM: OMAP2+: Make omap-wakeupgen.h local ARM: OMAP2+: Make omap-secure.h local ARM: OMAP2+: Make ctrl_module_wkup_44xx.h local ...
2012-09-07USB: PLAT_ORION fulfils USB_ARCH_HAS_EHCIAndrew Lunn1-0/+1
The various Orion SoCs, i.e. orion5x, kirkwood, dove, mv78xx0 and 370/XP have EHCI. Make sure USB_ARCH_HAS_EHCI reflects this. Reported-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-26ARM: mach-pnx4008: Remove architectureRoland Stigge1-1/+0
This patch removes the ARM architecture mach-pnx4008. No direct support or user feedback since 2006. Acknowledgements from NXP/Philips and Linux arm-soc maintainers. Signed-off-by: Roland Stigge <stigge@antcom.de>
2012-08-20gpu/mfd/usb: Fix USB randconfig problemsGuenter Roeck1-1/+1
Fix config warning: warning: ( ... && DRM_USB) selects USB which has unmet direct dependencies (USB_SUPPORT && USB_ARCH_HAS_HCD) and build error: ERROR: "usb_speed_string" [drivers/usb/core/usbcore.ko] undefined! by adding the missing dependency on USB_ARCH_HAS_HCD to DRM_UDL and DRM_USB. This exposes: drivers/video/Kconfig:36:error: recursive dependency detected! drivers/video/Kconfig:36: symbol FB is selected by DRM_KMS_HELPER drivers/gpu/drm/Kconfig:28: symbol DRM_KMS_HELPER is selected by DRM_UDL drivers/gpu/drm/udl/Kconfig:1: symbol DRM_UDL depends on USB_ARCH_HAS_HCD drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI drivers/usb/Kconfig:16: symbol USB_ARCH_HAS_OHCI depends on I2C drivers/i2c/Kconfig:5: symbol I2C is selected by FB_DDC drivers/video/Kconfig:86: symbol FB_DDC is selected by FB_CYBER2000_DDC drivers/video/Kconfig:385: symbol FB_CYBER2000_DDC depends on FB_CYBER2000 drivers/video/Kconfig:373: symbol FB_CYBER2000 depends on FB which is due to drivers/usb/Kconfig: config USB_ARCH_HAS_OHCI ... default y if ARCH_PNX4008 && I2C Fix by dropping I2C from the above dependency; logic is that this is not a platform dependency but a configuration dependency: the _architecture_ still supports USB even is I2C is not selected. This exposes: drivers/video/Kconfig:36:error: recursive dependency detected! drivers/video/Kconfig:36: symbol FB is selected by DRM_KMS_HELPER drivers/gpu/drm/Kconfig:28: symbol DRM_KMS_HELPER is selected by DRM_UDL drivers/gpu/drm/udl/Kconfig:1: symbol DRM_UDL depends on USB_ARCH_HAS_HCD drivers/usb/Kconfig:78: symbol USB_ARCH_HAS_HCD depends on USB_ARCH_HAS_OHCI drivers/usb/Kconfig:17: symbol USB_ARCH_HAS_OHCI depends on MFD_TC6393XB drivers/mfd/Kconfig:396: symbol MFD_TC6393XB depends on GPIOLIB drivers/gpio/Kconfig:35: symbol GPIOLIB is selected by FB_VIA drivers/video/Kconfig:1560: symbol FB_VIA depends on FB which can be fixed by having MFD_TC6393XB select GPIOLIB instead of depending on it. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-12usb: move ci13xxx and related code to drivers/usb/chipideaAlexander Shishkin1-0/+2
Since chipidea is a dual role controller, it makes sense to move it to its own directory, where we can also have host, otg and platform code related to this controller. It also makes sense to break out the driver into several compilation units like udc, host, debugging code, etc. Firstly, let's move the udc and platform code to drivers/usb/chipidea. Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-05-01USB: Add driver for NXP ISP1301 USB transceiverRoland Stigge1-0/+2
This new driver registers the NXP ISP1301 chip via the I2C subsystem. The chip is the USB transceiver shared by ohci-nxp, lpc32xx_udc (gadget) and isp1301_omap. ISP1301 is a very low-level driver that primarily separates out the I2C client registration of the ISP1301 chip (including instantiation via DT), used by other drivers, and declares the chip's registers. It's only a helper driver for some OHCI and USB device drivers. The driver can be considered as a register set extension of ohci-nxp, lpc32xx-udc and isp1301_omap, which in turn know best what to do with the low level functionality (individual ISP1301 registers and timing, see the different initialization strategies in those drivers). Those drivers previously internally duplicated ISP1301 register definitions which is solved by this new isp1301 driver. The ISP1301 registers exposed via isp1301.h can be accessed by other drivers using it with standard i2c_smbus_*() accesses. Following patches let the respective USB host and gadget drivers use this driver, instead of duplicating ISP1301 handling. Signed-off-by: Roland Stigge <stigge@antcom.de> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-04-07usb: Put USB Kconfig items back under USB.David Daney1-8/+8
commit 53c6bc24fdc8db87109a5760579cbb060fa644cf (usb: Don't make USB_ARCH_HAS_{XHCI,OHCI,EHCI} depend on USB_SUPPORT.) Removed the dependency of the USB_ARCH_HAS_* symbols on USB_SUPPORT. However the resulting Kconfig somehow caused many of the USB configuration items to appear under the top level devices menu. To fix this we reunite the 'menuconfig USB_SUPPORT' with the 'if USB_SUPPORT', and the config items magically go back to their desired location. Reported-by: Julian Wollrath <jwollrath@web.de> Reported-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> Reported-by: Borislav Petkov <bp@alien8.de> Reported-by: Rupesh Gujare <rgujare@ozmodevices.com> Reported-by: Feng King <ronyjin@tencent.com> Reported-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: David Daney <david.daney@cavium.com> Tested-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-28Merge tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-1/+1
Pull "ARM: More device tree support updates" from Olof Johansson: "This branch contains a number of updates for device tree support on several ARM platforms, in particular: * AT91 continues the device tree conversion adding support for a number of on-chip drivers and other functionality * ux500 adds probing of some of the core SoC blocks through device tree * Initial device tree support for ST SPEAr600 platforms * kirkwood continues the conversion to device-tree probing" Manually merge arch/arm/mach-ux500/Kconfig due to MACH_U8500 rename, and drivers/usb/gadget/at91_udc.c due to header file include cleanups. Also do an "evil merge" for the MACH_U8500 config option rename that the affected RMI4 touchscreen driver in staging. It's called MACH_MOP500 now, and it was missed during previous merges. * tag 'dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (48 commits) ARM: SPEAr600: Add device-tree support to SPEAr600 boards ARM: ux500: Provide local timer support for Device Tree ARM: ux500: Enable PL022 SSP Controller in Device Tree ARM: ux500: Enable PL310 Level 2 Cache Controller in Device Tree ARM: ux500: Enable PL011 AMBA UART Controller for Device Tree ARM: ux500: Enable Cortex-A9 GIC (Generic Interrupt Controller) in Device Tree ARM: ux500: db8500: list most devices in the snowball device tree ARM: ux500: split dts file for snowball into generic part ARM: ux500: combine the board init functions for DT boot ARM: ux500: Initial Device Tree support for Snowball ARM: ux500: CONFIG: Enable Device Tree support for future endeavours ARM: kirkwood: use devicetree for rtc-mv ARM: kirkwood: rtc-mv devicetree bindings ARM: kirkwood: fdt: define uart[01] as disabled, enable uart0 ARM: kirkwood: fdt: facilitate new boards during fdt migration ARM: kirkwood: fdt: absorb kirkwood_init() ARM: kirkwood: fdt: use mrvl ticker symbol ARM: orion: wdt: use resource vice direct access ARM: Kirkwood: Remove tclk from kirkwood_asoc_platform_data. ARM: orion: spi: remove enable_clock_fix which is not used ...
2012-03-28Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds1-1/+1
Pull "ARM: global cleanups" from Arnd Bergmann: "Quite a bit of code gets removed, and some stuff moved around, mostly the old samsung s3c24xx stuff. There should be no functional changes in this series otherwise. Some cleanups have dependencies on other arm-soc branches and will be sent in the second round. Signed-off-by: Arnd Bergmann <arnd@arndb.de>" Fixed up trivial conflicts mainly due to #include's being changes on both sides. * tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (121 commits) ep93xx: Remove unnecessary includes of ep93xx-regs.h ep93xx: Move EP93XX_SYSCON defines to SoC private header ep93xx: Move crunch code to mach-ep93xx directory ep93xx: Make syscon access functions private to SoC ep93xx: Configure GPIO ports in core code ep93xx: Move peripheral defines to local SoC header ep93xx: Convert the watchdog driver into a platform device. ep93xx: Use ioremap for backlight driver ep93xx: Move GPIO defines to gpio-ep93xx.h ep93xx: Don't use system controller defines in audio drivers ep93xx: Move PHYS_BASE defines to local SoC header file ARM: EXYNOS: Add clock register addresses for EXYNOS4X12 bus devfreq driver ARM: EXYNOS: add clock registers for exynos4x12-cpufreq PM / devfreq: update the name of EXYNOS clock registers that were omitted PM / devfreq: update the name of EXYNOS clock register ARM: EXYNOS: change the prefix S5P_ to EXYNOS4_ for clock ARM: EXYNOS: use static declaration on regarding clock ARM: EXYNOS: replace clock.c for other new EXYNOS SoCs ARM: OMAP2+: Fix build error after merge ARM: S3C24XX: remove call to s3c24xx_setup_clocks ...
2012-03-15ARM: at91: dt: enable usb ehci for sam9g45 and sam9x5Jean-Christophe PLAGNIOL-VILLARD1-1/+1
make the ECHI depends on ARCH_AT91 Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: devicetree-discuss@lists.ozlabs.org
2012-03-14usb: Don't make USB_ARCH_HAS_{XHCI,OHCI,EHCI} depend on USB_SUPPORT.David Daney1-21/+21
The fact that an architecture/board has XHCI, OHCI or EHCI does not depend on the fact that the kernel is configured with USB_SUPPORT. Make the Kconfig reflect this fact thus avoiding ugly messages like: warning: (MIPS_ALCHEMY && CAVIUM_OCTEON_REFERENCE_BOARD && SOC_AR71XX && SOC_AR724X && SOC_AR913X && SOC_AR933X) selects USB_ARCH_HAS_EHCI which has unmet direct dependencies (USB_SUPPORT) Signed-off-by: David Daney <david.daney@cavium.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-03-03ARM: S3C24XX: change the ARCH_S3C2410 to ARCH_S3C24XXKukjin Kim1-1/+1
This patch changes the ARCH name to "ARCH_S3C24XX" for Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443, and S3C2450 SoCs so that we can merge the mach-xxx directories and plat-s3c24xx dir. to just one mach-s3c24xx for them. I think this should be sent to upstream via samsung tree because this touches many samsung stuff. Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Chris Ball <cjb@laptop.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Greg Kroah-Hartman <gregkh@suse.de> [for the gadget part:] Acked-by: Felipe Balbi <balbi@ti.com> [for the framebuffer (video) part:] Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> [For the watchdog-part:] Acked-by: Wim Van Sebroeck <wim@iguana.be> Cc: Sangbeom Kim <sbkim73@samsung.com> Cc: Liam Girdwood <lrg@ti.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>