- 17 Mar, 2020 1 commit
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Andrey Konovalov authored
Mark usb_raw_io_flags_valid() and usb_raw_io_flags_zero() as inline to fix the following warnings: ./usr/include/linux/usb/raw_gadget.h:69:12: warning: unused function 'usb_raw_io_flags_valid' [-Wunused-function] ./usr/include/linux/usb/raw_gadget.h:74:12: warning: unused function 'usb_raw_io_flags_zero' [-Wunused-function] Reported-by:
kernelci.org bot <bot@kernelci.org> Reported-by:
Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by:
Andrey Konovalov <andreyknvl@google.com> Link: https://lore.kernel.org/r/6206b80b3810f95bfe1d452de45596609a07b6ea.1584456779.git.andreyknvl@google.comSigned-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 16 Mar, 2020 3 commits
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Masahiro Yamada authored
drivers/usb/gadget/legacy/Kconfig creates a 'choice' inside another 'choice'. The outer choice: line 17 "USB Gadget precomposed configurations" The inner choice: line 484 "EHCI Debug Device mode" I wondered why the whole legacy gadget drivers reside in such a big choice block. This dates back to 2003, "[PATCH] USB: fix for multiple definition of `usb_gadget_get_string'". [1] At that time, the global function, usb_gadget_get_string(), was linked into multiple drivers. That was why only one driver was able to become built-in at the same time. Later, commit a84d9e53 ("usb: gadget: start with libcomposite") moved usb_gadget_get_string() to a separate module, libcomposite.ko instead of including usbstring.c from multiple modules. More and more refactoring was done, and after commit 1bcce939 ("usb: gadget: multi: convert to new interface of f_mass_storage"), you can link multiple gadget drivers into vmlinux without causing multiple definition error. This is the only user of the nested choice structure ever. Removing this mess will make some Kconfig cleanups possible. [1]: https://git.kernel.org/pub/scm/linux/kernel/git/history/history.git/commit/?id=fee4cf49a81381e072c063571d1aadbb29207408Signed-off-by:
Masahiro Yamada <masahiroy@kernel.org> Acked-by:
Felipe Balbi <balbi@kernel.org> Link: https://lore.kernel.org/r/20200315154948.26569-1-masahiroy@kernel.orgSigned-off-by:
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Stephen Rothwell authored
After merging the usb-gadget tree, today's linux-next build (arm multi_v7_defconfig) failed like this: drivers/usb/dwc3/drd.c: In function 'dwc3_setup_role_switch': drivers/usb/dwc3/drd.c:551:23: error: assignment to 'usb_role_switch_set_t' {aka 'int (*)(struct usb_role_switch *, enum usb_role)'} from incompatible pointer type 'int (*)(struct device *, enum usb_role)' [-Werror=incompatible-pointer-types] 551 | dwc3_role_switch.set = dwc3_usb_role_switch_set; | ^ drivers/usb/dwc3/drd.c:552:23: error: assignment to 'usb_role_switch_get_t' {aka 'enum usb_role (*)(struct usb_role_switch *)'} from incompatible pointer type 'enum usb_role (*)(struct device *)' [-Werror=incompatible-pointer-types] 552 | dwc3_role_switch.get = dwc3_usb_role_switch_get; | ^ Caused by commit 8a0a1379 ("usb: dwc3: Registering a role switch in the DRD code.") interacting with commit bce3052f ("usb: roles: Provide the switch drivers handle to the switch in the API") from the usb tree. Signed-off-by: -
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usbGreg Kroah-Hartman authored
Felipe writes: USB: changes for v5.7 merge window Lots of changes on dwc3 this time, most of them from Thinh fixing a bunch of really old mishaps on the driver. DWC2 got support for STM32MP15 and a couple RockChip SoCs while DWC3 learned about Amlogic A1 family. Apart from these, we have a few spelling fixes and other minor non-critical fixes all over the place. Signed-off-by:
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- 15 Mar, 2020 36 commits
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Tao Ren authored
Add device tree binding documentation for the Aspeed USB 2.0 Virtual HUb Controller. Reviewed-by:
Rob Herring <robh@kernel.org> Signed-off-by:
Tao Ren <rentao.bupt@gmail.com> Reviewed-by:
Joel Stanley <joel@jms.id.au> Signed-off-by:
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Tao Ren authored
Add "aspeed,vhub-downstream-ports" and "aspeed,vhub-generic-endpoints" properties to describe supported number of vhub ports and endpoints. Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Reviewed-by:
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Tao Ren authored
Add "aspeed,vhub-downstream-ports" and "aspeed,vhub-generic-endpoints" properties to describe supported number of vhub ports and endpoints. Signed-off-by:
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Tao Ren authored
Add USB components and according pin groups in aspeed-g6 dtsi. Signed-off-by:
Andrew Jeffery <andrew@aj.id.au> Acked-by:
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Tao Ren authored
Add AST2600 support in aspeed-vhub driver. There are 3 major differences between AST2500 and AST2600 vhub: - AST2600 supports 7 downstream ports while AST2500 supports 5. - AST2600 supports 21 generic endpoints while AST2500 supports 15. - EP0 data buffer's 8-byte DMA alignment restriction is removed from AST2600. Signed-off-by: -
Tao Ren authored
The patch introduces 2 DT properties ("aspeed,vhub-downstream-ports" and "aspeed,vhub-generic-endpoints") which replaces hardcoded port/endpoint number. It is to make it more convenient to add support for newer vhub revisions with different number of ports and endpoints. Signed-off-by: -
Tao Ren authored
This patch store vhub's standard usb descriptors in struct "ast_vhub" so it's more convenient to customize descriptors and potentially support multiple vhub instances in the future. Signed-off-by:
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Gustavo A. R. Silva authored
The current codebase makes use of the zero-length array language extension to the C90 standard, but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertenly introduced[3] to the codebase from now on. This issue was found with the help of Coccinelle. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732 ("cxgb3/l2t: Fix undefined behaviour") Signed-off-by:Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by:
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Thinh Nguyen authored
Different configuration/condition may draw different power. Inform the controller driver of the change so it can respond properly (e.g. GET_STATUS request). This fixes an issue with setting MaxPower from configfs. The composite driver doesn't check this value when setting self-powered. Cc: stable@vger.kernel.org Fixes: 88af8bbe ("usb: gadget: the start of the configfs interface") Signed-off-by:
Thinh Nguyen <thinhn@synopsys.com> Signed-off-by:
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Alexandre Belloni authored
The variable is named reserved, the comment should say so. Signed-off-by:
Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by:
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Marek Szyprowski authored
Don't confuse user with meaningless warning about the failure in getting supplies in case of deferred probe. Reviewed-by:
Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by:
Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by:
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Marek Szyprowski authored
Don't confuse user with meaningless warning about the failure in getting supplies in case of deferred probe. Acked-by:
Minas Harutyunyan <hminas@synopsys.com> Reviewed-by:
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Johan Jonker authored
A test with the command below gives for example this error: arch/arm64/boot/dts/rockchip/rk3368-evb-act8846.dt.yaml: usb@ff580000: compatible: ['rockchip,rk3368-usb', 'rockchip,rk3066-usb', 'snps,dwc2'] is not valid under any of the given schemas The compatible property for rk3368 dwc2 usb was somehow never added to the documention. Fix this error by adding 'rockchip,rk3368-usb', 'rockchip,rk3066-usb', 'snps,dwc2' to dwc2.yaml. make ARCH=arm64 dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/usb/dwc2.yaml Signed-off-by:
Johan Jonker <jbx6244@gmail.com> Signed-off-by:
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Johan Jonker authored
A test with the command below gives for example this error: arch/arm64/boot/dts/rockchip/rk3328-evb.dt.yaml: usb@ff580000: compatible: ['rockchip,rk3328-usb', 'rockchip,rk3066-usb', 'snps,dwc2'] is not valid under any of the given schemas The compatible property for rk3328 dwc2 usb was somehow never added to the documention. Fix this error by adding 'rockchip,rk3328-usb', 'rockchip,rk3066-usb', 'snps,dwc2' to dwc2.yaml. make ARCH=arm64 dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/usb/dwc2.yaml Signed-off-by:
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Andrey Konovalov authored
USB Raw Gadget is a kernel module that provides a userspace interface for the USB Gadget subsystem. Essentially it allows to emulate USB devices from userspace. Enabled with CONFIG_USB_RAW_GADGET. Raw Gadget is currently a strictly debugging feature and shouldn't be used in production. Raw Gadget is similar to GadgetFS, but provides a more low-level and direct access to the USB Gadget layer for the userspace. The key differences are: 1. Every USB request is passed to the userspace to get a response, while GadgetFS responds to some USB requests internally based on the provided descriptors. However note, that the UDC driver might respond to some requests on its own and never forward them to the Gadget layer. 2. GadgetFS performs some sanity checks on the provided USB descriptors, while Raw Gadget allows you to provide arbitrary data as responses to USB requests. 3. Raw Gadget provides a way to select a UDC device/driver to bind to, while GadgetFS currently binds to the first available UDC. 4. Raw Gadget uses predictable endpoint names (handles) across different UDCs (as long as UDCs have enough endpoints of each required transfer type). 5. Raw Gadget has ioctl-based interface instead of a filesystem-based one. Reviewed-by:
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John Keeping authored
dwc2 always reports as self-powered in response to a device status request. Implement the set_selfpowered() operations so that the gadget can report as bus-powered when appropriate. This is modelled on the dwc3 implementation. Acked-by:
John Keeping <john@metanate.com> Signed-off-by:
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Geert Uytterhoeven authored
The DWC3 USB driver is not a clock provider, and just needs to call of_clk_get_parent_count(). Hence it can include <linux/of_clk.h> instead of <linux/clk-provider.h>. Reviewed-by:
Stephen Boyd <sboyd@kernel.org> Signed-off-by:
Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by:
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Li Jun authored
If dwc->dev in device mode already runtime suspended, don't do it again for system suspend. Signed-off-by:
Li Jun <jun.li@nxp.com> Signed-off-by:
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John Stultz authored
The dwc3 core binding specifies one reset. However some variants of the hardware may have more. Previously this was handled by using the dwc3-of-simple glue driver, but that resulted in a proliferation of bindings for for every variant, when the only difference was the clocks and resets lists. So this patch reworks the reading of the resets to fetch all the resets specified in the dts together. This patch was recommended by Rob Herring <robh@kernel.org> as an alternative to creating multiple bindings for each variant of hardware. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> CC: ShuFan Lee <shufan_lee@richtek.com> Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Chunfeng Yun <chunfeng.yun@mediatek.com> Cc: Yu Chen <chenyu56@huawei.com> Cc: Felipe Balbi <balbi@kernel.org> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Jun Li <lijun.kernel@gmail.com> Cc: Valentin Schneider <valentin.schneider@arm.com> Cc: Guillaume Gardet <Guillaume.Gardet@arm.com> Cc: Jack Pham <jackp@codeaurora.org> Cc: linux-usb@vger.kernel.org Cc: devicetree@vger.kernel.org Suggested-by:
John Stultz <john.stultz@linaro.org> Signed-off-by:
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John Stultz authored
The dwc3 core binding specifies three clocks: ref, bus_early, and suspend which are all controlled in the driver together. However some variants of the hardware my not have all three clks, or some may have more. Usually this was handled by using the dwc3-of-simple glue driver, but that resulted in a proliferation of bindings for for every variant, when the only difference was the clocks and resets lists. So this patch reworks the reading of the clks from the dts to use devm_clk_bulk_get_all() will will fetch all the clocks specified in the dts together. This patch was recommended by Rob Herring <robh@kernel.org> as an alternative to creating multiple bindings for each variant of hardware. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> CC: ShuFan Lee <shufan_lee@richtek.com> Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Chunfeng Yun <chunfeng.yun@mediatek.com> Cc: Yu Chen <chenyu56@huawei.com> Cc: Felipe Balbi <balbi@kernel.org> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Jun Li <lijun.kernel@gmail.com> Cc: Valentin Schneider <valentin.schneider@arm.com> Cc: Guillaume Gardet <Guillaume.Gardet@arm.com> Cc: Jack Pham <jackp@codeaurora.org> Cc: linux-usb@vger.kernel.org Cc: devicetree@vger.kernel.org Suggested-by:
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John Stultz authored
Rather then adding another device specific binding to support hikey960, Rob Herring suggested we expand the current dwc3 binding to allow for variable numbers of clocks and resets. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> CC: ShuFan Lee <shufan_lee@richtek.com> Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Chunfeng Yun <chunfeng.yun@mediatek.com> Cc: Yu Chen <chenyu56@huawei.com> Cc: Felipe Balbi <balbi@kernel.org> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Jun Li <lijun.kernel@gmail.com> Cc: Valentin Schneider <valentin.schneider@arm.com> Cc: Guillaume Gardet <Guillaume.Gardet@arm.com> Cc: Jack Pham <jackp@codeaurora.org> Cc: linux-usb@vger.kernel.org Cc: devicetree@vger.kernel.org Suggested-by:
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John Stultz authored
Support the new role-switch-default-mode binding for configuring the default role the controller assumes as when the usb role is USB_ROLE_NONE This patch was split out from a larger patch originally by Yu Chen <chenyu56@huawei.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> CC: ShuFan Lee <shufan_lee@richtek.com> Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Chunfeng Yun <chunfeng.yun@mediatek.com> Cc: Yu Chen <chenyu56@huawei.com> Cc: Felipe Balbi <balbi@kernel.org> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Jun Li <lijun.kernel@gmail.com> Cc: Valentin Schneider <valentin.schneider@arm.com> Cc: Guillaume Gardet <Guillaume.Gardet@arm.com> Cc: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Cc: Jack Pham <jackp@codeaurora.org> Cc: linux-usb@vger.kernel.org Cc: devicetree@vger.kernel.org Tested-by:
Bryan O'Donoghue <bryan.odonoghue@linaro.org> Signed-off-by:
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John Stultz authored
Add binding to configure the default role the controller assumes is host mode when the usb role is USB_ROLE_NONE. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> CC: ShuFan Lee <shufan_lee@richtek.com> Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Chunfeng Yun <chunfeng.yun@mediatek.com> Cc: Yu Chen <chenyu56@huawei.com> Cc: Felipe Balbi <balbi@kernel.org> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Jun Li <lijun.kernel@gmail.com> Cc: Valentin Schneider <valentin.schneider@arm.com> Cc: Guillaume Gardet <Guillaume.Gardet@arm.com> Cc: Jack Pham <jackp@codeaurora.org> Cc: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Cc: linux-usb@vger.kernel.org Cc: devicetree@vger.kernel.org Reviewed-by:
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Yu Chen authored
The Type-C drivers use USB role switch API to inform the system about the negotiated data role, so registering a role switch in the DRD code in order to support platforms with USB Type-C connectors. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> CC: ShuFan Lee <shufan_lee@richtek.com> Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com> Cc: Suzuki K Poulose <suzuki.poulose@arm.com> Cc: Chunfeng Yun <chunfeng.yun@mediatek.com> Cc: Yu Chen <chenyu56@huawei.com> Cc: Felipe Balbi <balbi@kernel.org> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Jun Li <lijun.kernel@gmail.com> Cc: Valentin Schneider <valentin.schneider@arm.com> Cc: Guillaume Gardet <Guillaume.Gardet@arm.com> Cc: Jack Pham <jackp@codeaurora.org> Cc: Bryan O'Donoghue <bryan.odonoghue@linaro.org> Cc: linux-usb@vger.kernel.org Cc: devicetree@vger.kernel.org Suggested-by:
Heikki Krogerus <heikki.krogerus@linux.intel.com> Tested-by:
Yu Chen <chenyu56@huawei.com> Signed-off-by:
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Neil Armstrong authored
In certain circumstances, the XHCI SuperSpeed instance in park mode can fail to recover, thus on Amlogic G12A/G12B/SM1 SoCs when there is high load on the single XHCI SuperSpeed instance, the controller can crash like: xhci-hcd xhci-hcd.0.auto: xHCI host not responding to stop endpoint command. xhci-hcd xhci-hcd.0.auto: Host halt failed, -110 xhci-hcd xhci-hcd.0.auto: xHCI host controller not responding, assume dead xhci-hcd xhci-hcd.0.auto: xHCI host not responding to stop endpoint command. hub 2-1.1:1.0: hub_ext_port_status failed (err = -22) xhci-hcd xhci-hcd.0.auto: HC died; cleaning up usb 2-1.1-port1: cannot reset (err = -22) Setting the PARKMODE_DISABLE_SS bit in the DWC3_USB3_GUCTL1 mitigates the issue. The bit is described as : "When this bit is set to '1' all SS bus instances in park mode are disabled" Synopsys explains: The GUCTL1.PARKMODE_DISABLE_SS is only available in dwc_usb3 controller running in host mode. This should not be set for other IPs. This can be disabled by default based on IP, but I recommend to have a property to enable this feature for devices that need this. CC: Dongjin Kim <tobetter@gmail.com> Cc: Jianxin Pan <jianxin.pan@amlogic.com> Cc: Thinh Nguyen <thinhn@synopsys.com> Cc: Jun Li <lijun.kernel@gmail.com> Reported-by:
Tim <elatllat@gmail.com> Signed-off-by:
Neil Armstrong <narmstrong@baylibre.com> Signed-off-by:
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Neil Armstrong authored
This patch updates the documentation with the information related to the quirks that needs to be added for disabling all SuperSpeed XHCI instances in park mode. Cc: Dongjin Kim <tobetter@gmail.com> Cc: Jianxin Pan <jianxin.pan@amlogic.com> Cc: Thinh Nguyen <thinhn@synopsys.com> Cc: Jun Li <lijun.kernel@gmail.com> Reported-by:
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Thinh Nguyen authored
When skipping TRBs, we need to account for wrapping around the ring buffer and not modifying some invalid TRBs. Without this fix, dwc3 won't be able to check for available TRBs. Cc: stable <stable@vger.kernel.org> Fixes: 7746a8df ("usb: dwc3: gadget: extract dwc3_gadget_ep_skip_trbs()") Signed-off-by:
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Thinh Nguyen authored
We track END_TRANSFER command completion. Don't clear transfer started/ended flag prematurely. Otherwise, we'd run into the problem with restarting transfer before END_TRANSFER command finishes. Fixes: 6d8a0196 ("usb: dwc3: gadget: check for Missed Isoc from event status") Signed-off-by:
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Andy Shevchenko authored
The main comment in the file mistakenly marked with kernel doc annotation which makes the parser unhappy: .../dwc3/host.c:16: warning: Function parameter or member 'dwc' not described in 'dwc3_host_get_irq' Drop kernel doc annotation from host.c module. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
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Andy Shevchenko authored
The ACPI companion of the adapter has to be set for xHCI controller code to read and attach the ports described in the ACPI table. Use ACPI_COMPANION_SET macro to set this. Signed-off-by:
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Anand Moon authored
Exynos5422 DWC3 module support two clk USBD300 and SCLK_USBD300 so add missing code to enable/disable code and suspend clk, for this add a new compatible samsung,exynos5420-dwusb3 to help configure dwc3 code and dwc3 suspend clock. Suspend clock controls the PHY power change from P0 to P1/P2/P3 during U0 to U1/U2/U3 transition. Signed-off-by:
Anand Moon <linux.amoon@gmail.com> Signed-off-by:
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Nathan Chancellor authored
Clang warns: ../drivers/usb/dwc3/dwc3-meson-g12a.c:421:6: warning: variable 'ret' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] if (priv->otg_mode == USB_DR_MODE_OTG) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../drivers/usb/dwc3/dwc3-meson-g12a.c:455:9: note: uninitialized use occurs here return ret; ^~~ ../drivers/usb/dwc3/dwc3-meson-g12a.c:421:2: note: remove the 'if' if its condition is always true if (priv->otg_mode == USB_DR_MODE_OTG) { ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ../drivers/usb/dwc3/dwc3-meson-g12a.c:415:9: note: initialize the variable 'ret' to silence this warning int ret, irq; ^ = 0 1 warning generated. It is not wrong, ret is only used when that if statement is true. Just directly return 0 at the end to avoid this. Fixes: 729149c53f04 ("usb: dwc3: Add Amlogic A1 DWC3 glue") Reported-by:kbuild test robot <lkp@intel.com> Link: https://groups.google.com/d/msg/clang-built-linux/w5iBENco_m4/PPuXreAxBQAJ Link: https://github.com/ClangBuiltLinux/linux/issues/869Signed-off-by:
Nathan Chancellor <natechancellor@gmail.com> Signed-off-by:
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Colin Ian King authored
Pointer trb being assigned with a value that is never read, it is assigned a new value later on. The assignment is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by:Colin Ian King <colin.king@canonical.com> Signed-off-by:
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Colin Ian King authored
Variable status is being assigned with a value that is never read, it is assigned a new value immediately afterwards. The assignment is redundant and can be removed. Addresses-Coverity: ("Unused value") Signed-off-by: -
YueHaibing authored
platform_get_irq() will call dev_err() itself on failure, so there is no need for the driver to also do this. This is detected by coccinelle. Acked-by:
Thierry Reding <treding@nvidia.com> Reviewed-by:
Nagarjuna Kristam <nkristam@nvidia.com> Signed-off-by:
YueHaibing <yuehaibing@huawei.com> Signed-off-by:
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Amelie Delaunay authored
This patch introduces a new parameter to activate external ID pin and valid vbus level detection, required on STM32MP15 SoC to support dual role, either in HS or FS. The STM32MP15 SoC uses the GGPIO register to enable the level detection. The level detector requires to be powered. Also adds the params structures for STM32MP15 OTG HS and STM32MP1 OTG FS. Acked-by:
Amelie Delaunay <amelie.delaunay@st.com> Signed-off-by:
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