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2021-09-22usb: phy: tahvo: add IRQ checkSergey Shtylyov
[ Upstream commit 0d45a1373e669880b8beaecc8765f44cb0241e47 ] The driver neglects to check the result of platform_get_irq()'s call and blithely passes the negative error codes to request_threaded_irq() (which takes *unsigned* IRQ #), causing it to fail with -EINVAL, overriding an original error code. Stop calling request_threaded_irq() with the invalid IRQ #s. Fixes: 9ba96ae5074c ("usb: omap1: Tahvo USB transceiver driver") Acked-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Link: https://lore.kernel.org/r/8280d6a4-8e9a-7cfe-1aa9-db586dc9afdf@omp.ru Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-09-22usb: phy: twl6030: add IRQ checksSergey Shtylyov
[ Upstream commit 0881e22c06e66af0b64773c91c8868ead3d01aa1 ] The driver neglects to check the result of platform_get_irq()'s calls and blithely passes the negative error codes to request_threaded_irq() (which takes *unsigned* IRQ #), causing them both to fail with -EINVAL, overriding an original error code. Stop calling request_threaded_irq() with the invalid IRQ #s. Fixes: c33fad0c3748 ("usb: otg: Adding twl6030-usb transceiver driver for OMAP4430") Acked-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Link: https://lore.kernel.org/r/9507f50b-50f1-6dc4-f57c-3ed4e53a1c25@omp.ru Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-09-22usb: phy: fsl-usb: add IRQ checkSergey Shtylyov
[ Upstream commit ecc2f30dbb25969908115c81ec23650ed982b004 ] The driver neglects to check the result of platform_get_irq()'s call and blithely passes the negative error codes to request_irq() (which takes *unsigned* IRQ #), causing it to fail with -EINVAL, overriding an original error code. Stop calling request_irq() with the invalid IRQ #s. Fixes: 0807c500a1a6 ("USB: add Freescale USB OTG Transceiver driver") Acked-by: Felipe Balbi <balbi@kernel.org> Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru> Link: https://lore.kernel.org/r/b0a86089-8b8b-122e-fd6d-73e8c2304964@omp.ru Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-27usb: gadget: fsl: fix link error against usb-gadget moduleArnd Bergmann
[ Upstream commit 2100e3ca3676e894fa48b8f6f01d01733387fe81 ] The dependency to ensure this driver links correctly fails since it can not be a loadable module: drivers/usb/phy/phy-fsl-usb.o: In function `fsl_otg_set_peripheral': phy-fsl-usb.c:(.text+0x2224): undefined reference to `usb_gadget_vbus_disconnect' Make the option 'tristate' so it can work correctly. Fixes: 5a8d651a2bde ("usb: gadget: move gadget API functions to udc-core") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-27usb: phy: twl6030-usb: fix possible use-after-free on removeSven Van Asbroeck
[ Upstream commit 5895d311d28f2605e2f71c1a3e043ed38f3ac9d2 ] In remove(), use cancel_delayed_work_sync() to cancel the delayed work. Otherwise there's a chance that this work will continue to run until after the device has been removed. This issue was detected with the help of Coccinelle. Cc: Tony Lindgren <tony@atomide.com> Cc: Bin Liu <b-liu@ti.com> Fixes: b6a619a883c3 ("usb: phy: Check initial state for twl6030") Signed-off-by: Sven Van Asbroeck <TheSven73@gmail.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-03-13usb: phy: fix link errorsAnders Roxell
[ Upstream commit f2105d42597f4d10e431b195d69e96dccaf9b012 ] Fix link errors when CONFIG_FSL_USB2_OTG is enabled and USB_OTG_FSM is set to module then the following link error occurs. aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.o: in function `fsl_otg_ioctl': drivers/usb/phy/phy-fsl-usb.c:1083: undefined reference to `otg_statemachine' aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.c:1083:(.text+0x574): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `otg_statemachine' aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.o: in function `fsl_otg_start_srp': drivers/usb/phy/phy-fsl-usb.c:674: undefined reference to `otg_statemachine' aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.c:674:(.text+0x61c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `otg_statemachine' aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.o: in function `fsl_otg_set_host': drivers/usb/phy/phy-fsl-usb.c:593: undefined reference to `otg_statemachine' aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.c:593:(.text+0x7a4): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `otg_statemachine' aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.o: in function `fsl_otg_start_hnp': drivers/usb/phy/phy-fsl-usb.c:695: undefined reference to `otg_statemachine' aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.c:695:(.text+0x858): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `otg_statemachine' aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.o: in function `a_wait_enum': drivers/usb/phy/phy-fsl-usb.c:274: undefined reference to `otg_statemachine' aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.c:274:(.text+0x16f0): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `otg_statemachine' aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.o:drivers/usb/phy/phy-fsl-usb.c:619: more undefined references to `otg_statemachine' follow aarch64-linux-gnu-ld: drivers/usb/phy/phy-fsl-usb.o: in function `fsl_otg_set_peripheral': drivers/usb/phy/phy-fsl-usb.c:619:(.text+0x1fa0): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `otg_statemachine' make[1]: *** [Makefile:1020: vmlinux] Error 1 make[1]: Target 'Image' not remade because of errors. make: *** [Makefile:152: sub-make] Error 2 make: Target 'Image' not remade because of errors. Rework so that FSL_USB2_OTG depends on that the USB_OTG_FSM is builtin. Signed-off-by: Anders Roxell <anders.roxell@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-02-12usb: phy: am335x: fix race condition in _probeBin Liu
commit a53469a68eb886e84dd8b69a1458a623d3591793 upstream. power off the phy should be done before populate the phy. Otherwise, am335x_init() could be called by the phy owner to power on the phy first, then am335x_phy_probe() turns off the phy again without the caller knowing it. Fixes: 2fc711d76352 ("usb: phy: am335x: Enable USB remote wakeup using PHY wakeup") Cc: stable@vger.kernel.org # v3.18+ Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-09-05usb/phy: fix PPC64 build errors in phy-fsl-usb.cRandy Dunlap
[ Upstream commit a39ba90a1cc7010edb0a7132e1b67f3d80b994e9 ] Fix build errors when built for PPC64: These variables are only used on PPC32 so they don't need to be initialized for PPC64. ../drivers/usb/phy/phy-fsl-usb.c: In function 'usb_otg_start': ../drivers/usb/phy/phy-fsl-usb.c:865:3: error: '_fsl_readl' undeclared (first use in this function); did you mean 'fsl_readl'? _fsl_readl = _fsl_readl_be; ../drivers/usb/phy/phy-fsl-usb.c:865:16: error: '_fsl_readl_be' undeclared (first use in this function); did you mean 'fsl_readl'? _fsl_readl = _fsl_readl_be; ../drivers/usb/phy/phy-fsl-usb.c:866:3: error: '_fsl_writel' undeclared (first use in this function); did you mean 'fsl_writel'? _fsl_writel = _fsl_writel_be; ../drivers/usb/phy/phy-fsl-usb.c:866:17: error: '_fsl_writel_be' undeclared (first use in this function); did you mean 'fsl_writel'? _fsl_writel = _fsl_writel_be; ../drivers/usb/phy/phy-fsl-usb.c:868:16: error: '_fsl_readl_le' undeclared (first use in this function); did you mean 'fsl_readl'? _fsl_readl = _fsl_readl_le; ../drivers/usb/phy/phy-fsl-usb.c:869:17: error: '_fsl_writel_le' undeclared (first use in this function); did you mean 'fsl_writel'? _fsl_writel = _fsl_writel_le; and the sysfs "show" function return type should be ssize_t, not int: ../drivers/usb/phy/phy-fsl-usb.c:1042:49: error: initialization of 'ssize_t (*)(struct device *, struct device_attribute *, char *)' {aka 'long int (*)(struct device *, struct device_attribute *, char *)'} from incompatible pointer type 'int (*)(struct device *, struct device_attribute *, char *)' [-Werror=incompatible-pointer-types] static DEVICE_ATTR(fsl_usb2_otg_state, S_IRUGO, show_fsl_usb2_otg_state, NULL); Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Felipe Balbi <balbi@kernel.org> Cc: linux-usb@vger.kernel.org Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-12-10usb: phy: tahvo: fix error handling in tahvo_usb_probe()Alexey Khoroshilov
[ Upstream commit ce035409bfa892a2fabb89720b542e1b335c3426 ] If devm_extcon_dev_allocate() fails, we should disable clk before return. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Fixes: 860d2686fda7 ("usb: phy: tahvo: Use devm_extcon_dev_[allocate|register]() and replace deprecated API") Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-02License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman
Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-10-11usb: phy: tegra: Fix phy suspend for UDCJon Hunter
Commit dfebb5f43a78 ("usb: chipidea: Add support for Tegra20/30/114/124") added UDC support for Tegra but with UDC support enabled, is was found that Tegra30, Tegra114 and Tegra124 would hang on entry to suspend. The hang occurred during the suspend of the USB PHY when the Tegra PHY driver attempted to disable the PHY clock. The problem is that before the Tegra PHY driver is suspended, the chipidea driver already disabled the PHY clock and when the Tegra PHY driver suspended, it could not read DEVLC register and caused the device to hang. The Tegra USB PHY driver is used by both the Tegra EHCI driver and now the chipidea UDC driver and so simply removing the disabling of the PHY clock from the USB PHY driver would not work for the Tegra EHCI driver. Fortunately, the status of the USB PHY clock can be read from the USB_SUSP_CTRL register and therefore, to workaround this issue, simply poll the register prior to disabling the clock in USB PHY driver to see if clock gating has already been initiated. Please note that it can take a few uS for the clock to disable and so simply reading this status register once on entry is not sufficient. Similarly when turning on the PHY clock, it is possible that the clock is already enabled or in the process of being enabled, and so check for this when enabling the PHY. Please note that no issues are seen with Tegra20 because it has a slightly different PHY to Tegra30/114/124. Fixes: dfebb5f43a78 ("usb: chipidea: Add support for Tegra20/30/114/124") Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Tested-by: Dmitry Osipenko <digetx@gmail.com> Acked-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-09-07Merge tag 'mfd-next-4.14' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull MFD updates from Lee Jones: "New Drivers - RK805 Power Management IC (PMIC) - ROHM BD9571MWV-M MFD Power Management IC (PMIC) - Texas Instruments TPS68470 Power Management IC (PMIC) & LEDs New Device Support: - Add support for HiSilicon Hi6421v530 to hi6421-pmic-core - Add support for X-Powers AXP806 to axp20x - Add support for X-Powers AXP813 to axp20x - Add support for Intel Sunrise Point LPSS to intel-lpss-pci New Functionality: - Amend API to provide register layout; atmel-smc Fix-ups: - DT re-work; omap, nokia - Header file location change {I2C => MFD}; dm355evm_msp, tps65010 - Fix chip ID formatting issue(s); rk808 - Optionally register touchscreen devices; da9052-core - Documentation improvements; twl-core - Constification; rtsx_pcr, ab8500-core, da9055-i2c, da9052-spi - Drop unnecessary static declaration; max8925-i2c - Kconfig changes (missing deps and remove module support) - Slim down oversized licence statement; hi6421-pmic-core - Use managed resources (devm_*); lp87565 - Supply proper error checking/handling; t7l66xb Bug Fixes: - Fix counter duplication issue; da9052-core - Fix potential NULL deference issue; max8998 - Leave SPI-NOR write-protection bit alone; lpc_ich - Ensure device is put into reset during suspend; intel-lpss - Correct register offset variable size; omap-usb-tll" * tag 'mfd-next-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (61 commits) mfd: intel_soc_pmic: Differentiate between Bay and Cherry Trail CRC variants mfd: intel_soc_pmic: Export separate mfd-cell configs for BYT and CHT dt-bindings: mfd: Add bindings for ZII RAVE devices mfd: omap-usb-tll: Fix register offsets mfd: da9052: Constify spi_device_id mfd: intel-lpss: Put I2C and SPI controllers into reset state on suspend mfd: da9055: Constify i2c_device_id mfd: intel-lpss: Add missing PCI ID for Intel Sunrise Point LPSS devices mfd: t7l66xb: Handle return value of clk_prepare_enable mfd: Add ROHM BD9571MWV-M PMIC DT bindings mfd: intel_soc_pmic_chtwc: Turn Kconfig option into a bool mfd: lp87565: Convert to use devm_mfd_add_devices() mfd: Add support for TPS68470 device mfd: lpc_ich: Do not touch SPI-NOR write protection bit on Haswell/Broadwell mfd: syscon: atmel-smc: Add helper to retrieve register layout mfd: axp20x: Use correct platform device ID for many PEK dt-bindings: mfd: axp20x: Introduce bindings for AXP813 mfd: axp20x: Add support for AXP813 PMIC dt-bindings: mfd: axp20x: Add AXP806 to supported list of chips mfd: Add ROHM BD9571MWV-M MFD PMIC driver ...
2017-09-05Merge branches 'ib-mfd-arm-i2c-4.14', 'ib-mfd-arm-usb-video-4.14', ↵Lee Jones
'ib-mfd-hwmon-4.14', 'ib-mfd-iio-pwm-4.14', 'ib-mfd-input-rtc-4.14', 'ib-mfd-many-4.14' and 'ib-mfd-pinctrl-regulator-4.14' into ibs-for-mfd-merged
2017-09-04mfd: twl: Move header file out of I2C realmWolfram Sang
include/linux/i2c is not for client devices. Move the header file to a more appropriate location. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Acked-by: Jonathan Cameron <jic23@kernel.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Acked-by: Thierry Reding <thierry.reding@gmail.com> Acked-by: Tony Lindgren <tony@atomide.com> Acked-by: Daniel Thompson <daniel.thompson@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-08-22Merge tag 'usb-for-v4.14' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next Felipe writes: usb: changes for v4.14 merge window Not a big pull request this time around. Only 49 non-merge commits. This pull request is, however, all over the place. Most of the changes are in the bdc driver adding support for USB Phy layer and PM. Renesas adds support for R-Car H3 ES2.0 and R-Car M3-W SoCs. Also here is PM_RUNTIME support for dwc3-keystone. UDC Core got a DMA unmap fix to make sure we only unmap requests that were, indeed, mapped. Other than these, we have a lot of cleanups, many of them adding 'const' to several places.
2017-08-15usb: phy: Add USB charger supportBaolin Wang
This patch introduces the usb charger support based on usb phy that makes an enhancement to a power driver. The basic conception of the usb charger is that, when one usb charger is added or removed by reporting from the extcon device state change, the usb charger will report to power user to set the current limitation. Power user can register a notifiee on the usb phy by issuing usb_register_notifier() to get notified by charger status changes or charger current changes. we can notify what current to be drawn to power user according to different charger type, and now we have 2 methods to get charger type. One is get charger type from extcon subsystem, which also means the charger state changes. Another is we can get the charger type from USB controller detecting or PMIC detecting, and the charger state changes should be told by issuing usb_phy_set_charger_state(). Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15usb: phy-tahvo: constify attribute_group structures.Arvind Yadav
attribute_group are not supposed to change at runtime. All functions working with attribute_group provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15usb: phy-mv-usb: constify attribute_group structures.Arvind Yadav
attribute_group are not supposed to change at runtime. All functions working with attribute_group provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15usb: phy: qcom: Use devm_ioremap_resource()Fabio Estevam
Using devm_ioremap_resource() can make the code simpler, as it already does the resource NULL check. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-15mfd: tps65010: Move header file out of I2C realmWolfram Sang
include/linux/i2c is not for client devices. Move the header file to a more appropriate location. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2017-08-14Merge 4.13-rc5 into usb-nextGreg Kroah-Hartman
This gets the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-10usb: phy-mv-usb: constify attribute_group structures.Arvind Yadav
attribute_group are not supposed to change at runtime. All functions working with attribute_group provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-10usb: phy-tahvo: constify attribute_group structures.Arvind Yadav
attribute_group are not supposed to change at runtime. All functions working with attribute_group provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-03usb: phy: phy-msm-usb: Fix usage of devm_regulator_bulk_get()Rajendra Nayak
The regulator_bulk_data pointer passed to devm_regulator_bulk_get() is used to store the client handles for the regulators, which is later used by devm_regulator_bulk_release() to free the regulators. Passing a local array as is done here means the memory used to store the handles is freed causing the handles to be corrupted, resulting in a crash when devm_regulator_bulk_release() tries to free them. Fix this my moving the array inside of the msm_otg structure. Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-07-22usb: Convert to using %pOF instead of full_nameRob Herring
Now that we have a custom printf format specifier, convert users of full_name to use %pOF instead. This is preparation to remove storing of the full path string for each node. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-22USB: phy: remove unneeded MODULE_VERSION() usageGreg Kroah-Hartman
MODULE_VERSION is useless for in-kernel drivers, so remove the use of it in the marvel phy driver, along with the DRIVER_VERSION define. Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-05-17usb: phy: phy-msm-usb: Remove redundant extcon register/unregisterBaolin Wang
Since usb phy core has added common code to register or unregister extcon device, then phy-msm-usb driver does not need its own code to register/unregister extcon device, then remove them. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-05-17usb: phy: phy-qcom-8x16-usb: Remove redundant extcon register/unregisterBaolin Wang
Since usb phy core has added common code to register or unregister extcon device, then phy-qcom-8x16-usb driver does not need its own code to register/unregister extcon device, then remove them. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-05-17usb: phy: Introduce one extcon device into usb phyBaolin Wang
Usually usb phy need register one extcon device to get the connection notifications. It will remove some duplicate code if the extcon device is registered using common code instead of each phy driver having its own related extcon APIs. So we add one pointer of extcon device into usb phy structure, and some other helper functions to register extcon. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-04-11Merge tag 'usb-for-v4.12' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next Felipe writes: usb: changes for v4.12 With 51 non-merge commits, this is one of the smallest USB Gadget pull requests. Apart from your expected set of non-critical fixes, and other miscellaneous items, we have most of the changes in dwc3 (52.5%) with all other UDCs following with 34.8%. As for the actual changes, the most important of them are all the recent changes to reduce memory footprint of dwc3, bare minimum dual-role support on dwc3 and reworked endpoint count and initialization routines.
2017-04-11usb: otg-fsm: Prevent build warning "VDBG" redefinedRoger Quadros
If usb/otg-fsm.h and usb/composite.h are included together then it results in the build warning [1]. Prevent that by defining VDBG locally. Also get rid of MPC_LOC which doesn't seem to be used by anyone. [1] - warning fixed by this patch: In file included from drivers/usb/dwc3/core.h:33, from drivers/usb/dwc3/ep0.c:33: include/linux/usb/otg-fsm.h:30:1: warning: "VDBG" redefined In file included from drivers/usb/dwc3/ep0.c:31: include/linux/usb/composite.h:615:1: warning: this is the location of the previous definition Signed-off-by: Roger Quadros <rogerq@ti.com> Reviewed-by: Jun Li <jun.li@nxp.com> Acked-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-04-11usb: phy: Remove unused configBaolin Wang
Since the old common Samsung USB PHY code has been removed by commit ea2fdf8423 ("usb: phy: samsung: remove old common USB PHY code"), thus remove the unused config. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-04-03Merge 4.11-rc5 into usb-nextGreg Kroah-Hartman
We want the usb fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-29usb: phy: isp1301: Fix build warning when CONFIG_OF is disabledJavier Martinez Canillas
Commit fd567653bdb9 ("usb: phy: isp1301: Add OF device ID table") added an OF device ID table, but used the of_match_ptr() macro that will lead to a build warning if CONFIG_OF symbol is disabled: drivers/usb/phy//phy-isp1301.c:36:34: warning: ‘isp1301_of_match’ defined but not used [-Wunused-const-variable=] static const struct of_device_id isp1301_of_match[] = { ^~~~~~~~~~~~~~~~ Fixes: fd567653bdb9 ("usb: phy: isp1301: Add OF device ID table") Reported-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-23usb: phy: Remove unused configBaolin Wang
Since the old common Samsung USB PHY code has been removed by commit ea2fdf8423 ("usb: phy: samsung: remove old common USB PHY code"), thus remove the unused config. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-03-09usb: phy: isp1301: Add OF device ID tableJavier Martinez Canillas
The driver doesn't have a struct of_device_id table but supported devices are registered via Device Trees. This is working on the assumption that a I2C device registered via OF will always match a legacy I2C device ID and that the MODALIAS reported will always be of the form i2c:<device>. But this could change in the future so the correct approach is to have an OF device ID table if the devices are registered via OF. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-01-26usb: phy: ab8500: remove unused ab8500_eyediagram_workaroud()Arnd Bergmann
The only caller of this function is gone, so now we get a warning: drivers/usb/phy/phy-ab8500-usb.c:1026:17: error: 'ab8500_eyediagram_workaroud' defined but not used [-Werror=unused-function] It is possible that we should in fact still call the function from somewhere else, but I don't see from where. Fixes: 635f997a499b ("usb: phy: ab8500: Remove the set_power callback") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-01-24usb: phy: fsl: Remove the set_power callbackBaolin Wang
Since the set_power callback did not do anything for power setting, then remove it. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-01-24usb: phy: msm: Remove the set_power callbackBaolin Wang
Since it will not set the PMIC current drawn from USB configuration by set_power callback, then remove it. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-01-24usb: phy: ab8500: Remove the set_power callbackBaolin Wang
There are no users will use the vbus_draw variable set by set_power() callback to set the vbus current. Thus we can remove it. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-01-24usb: phy: tahvo: Replace the deprecated extcon APIChanwoo Choi
This patch replaces the deprecated extcon API as following: - extcon_set_cable_state_() -> extcon_set_state_sync() Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-01-24usb: phy: qcom-8x16-usb: Replace the extcon APIChanwoo Choi
This patch uses the resource-managed extcon API for extcon_register_notifier() and replaces the deprecated extcon API as following: - extcon_get_cable_state_() -> extcon_get_state() Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-01-24usb: phy: msm: Replace the extcon APIChanwoo Choi
This patch uses the resource-managed extcon API for extcon_register_notifier() and replaces the deprecated extcon API as following: - extcon_get_cable_state_() -> extcon_get_state() Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-01-24usb: phy: omap-otg: Replace the extcon APIChanwoo Choi
This patch uses the resource-managed extcon API for extcon_register_notifier() and replaces the deprecated extcon API as following: - extcon_get_cable_state_() -> extcon_get_state() Cc: linux-omap@vger.kernel.org Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-18usb: twl6030-usb: make driver DT onlyNicolae Rosia
All users are DT-only and it makes no sense to keep unused code Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Nicolae Rosia <Nicolae_Rosia@mentor.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-18usb: phy: phy-generic: add the implementation of .set_suspendPeter Chen
Add clock operation at .set_suspend if the PHY has suspend requirement, it can be benefit of power saving for phy and the whole system (parent clock may also be disabled). Signed-off-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-18usb: isp1301-omap: don't opencode IS_REACHABLE()Fabian Frederick
We have a macro which does the same trick. Let's use it. Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-11-18USB: phy: am335x-control: fix device and of_node leaksJohan Hovold
Make sure to drop the references taken by of_parse_phandle() and bus_find_device() before returning from am335x_get_phy_control(). Note that there is no guarantee that the devres-managed struct phy_control will be valid for the lifetime of the sibling phy device regardless of this change. Fixes: 3bb869c8b3f1 ("usb: phy: Add AM335x PHY driver") Acked-by: Bin Liu <b-liu@ti.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-09-14Merge tag 'usb-for-v4.9' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next Felipe writes: usb: patches for v4.9 merge window This time around we have 92 non-merge commits. Most of the changes are in drivers/usb/gadget (40.3%) with drivers/usb/gadget/function being the most active directory (27.2%). As for UDC drivers, only dwc3 (26.5%) and dwc2 (12.7%) have really been active. The most important changes for dwc3 are better support for scatterlist and, again, throughput improvements. While on dwc2 got some minor stability fixes related to soft reset and FIFO usage. Felipe Tonello has done some good work fixing up our f_midi gadget and Tal Shorer has implemented a nice API change for our ULPI bus. Apart from these, we have our usual set of non-critical fixes, spelling fixes, build warning fixes, etc.
2016-09-05usb: phy: phy-generic: Check clk_prepare_enable() errorFabio Estevam
clk_prepare_enable() may fail, so we should better check its return value and propagate it in the case of failure. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>