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2015-01-27usb: isp1760: Add device controller supportLaurent Pinchart
The ISP1761 is a dual-mode host and device controller backward compatible on the host side with the ISP1760. Add support for the device controller. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Move PORT1 configuration to core codeLaurent Pinchart
Configuring the mode of operation of port 1 doesn't belong to the HCD code, as it's related to the soon to come UDC support. Move the configuration to core code. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Initialize the bus interface in core codeLaurent Pinchart
Although the corresponding register is part of the HCD register space, processor bus initialization is not specific to the HCD. To prepare for device controller support, move bus interface initialization to core code. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Set IRQF_SHARED flag in core codeLaurent Pinchart
The IRQF_SHARED flag needs to be set regardless of the bus type. Don't require glue code to set it manually. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Move core code to isp1760-core.cLaurent Pinchart
Move core device initialization to a central location in order to share it with the device mode implementation. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Reorganize header filesLaurent Pinchart
The isp1760-rhcd.h header contains PTD constants and structures only useful for the HCD implementation. It also contains register definitions that will be needed by common code when implementing support for the ISP1761 device controller, but doesn't contain the isp1760_hcd structure definition that will also be used by common code. Move definitions to the right location and create an isp1760-regs.h to store register definitions. No change other than moving definitions and modifying indentation is performed. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Prefix driver data structures with isp1760_Laurent Pinchart
The slotinfo and memory_chunk structures are specific to the driver and defined in a header file. Prefix them with isp1760_ to avoid namespace clashes. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Decouple usb_hdc and isp1760_privLaurent Pinchart
Allocate the driver private data structure manually instead of using the usb_hcd private space. This will allow skipping hcd registration for the isp1761 when used in device mode only. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Refactor PCI initialization codeLaurent Pinchart
Move the initialization code out of the PCI probe function to a new function in order to simplify and fix error handling. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Use the managed devm_ioremap_resource() APILaurent Pinchart
This simplifies error and remove code paths. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Pass resource pointer to isp1760_registerLaurent Pinchart
The function takes quite a few arguments, passing the resource pointer instead of the start address and length simplifies it a bit. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Remove busname argument to isp1760_registerLaurent Pinchart
The argument is unused, remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Prefix init_kmem_once and deinit_kmem_cache with isp1760_Laurent Pinchart
The two functions are specific to the driver but have very generic names, subject to collisions. Rename them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Fix indentation in probe error pathLaurent Pinchart
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Don't expose hcd to glue code from isp1760_registerLaurent Pinchart
The glue code probe functions don't need to access the hcd structure anymore. Modify isp1760_register to return an integer error code instead of the hcd pointer. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Manage device driver data in common codeLaurent Pinchart
Don't duplicate *_set_drvdata calls in glue code. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Move removal cleanup code to isp1760-hcd.cLaurent Pinchart
The removal cleanup code is duplicated between the different bus glues. Move it to a central location. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Merge platform and OF glue codesLaurent Pinchart
Both handle platform devices, merge them. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Unmap I/O registers at platform device removalLaurent Pinchart
The I/O registers are mapped in the HCD code but must be unmapped by glue code. The OF and PCI glue code unmap them correctly but the platform glue code is missing an iounmap() call. Fix it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Retrieve pdev memory resource from hcd at remove timeLaurent Pinchart
The platform driver remove function needs to release the memory resource requested at probe time. Instead of retrieving the resource from the platform device, retrieve it from the usb_hcd. This mimics the behaviour of the PCI and OF glues, and will make it easier to share code between all three glue layers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Remove isp1760 glue structureLaurent Pinchart
The structure is allocated for the sole purpose of holding a pointer to the HCD and being stored in platform device driver data. Store the HCD pointer directly instead. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: isp1760: Use the gpio descriptor APILaurent Pinchart
Switching to the managed gpio descriptor API simplifies both error and cleanup code paths (by removing the need to free the gpio) and runtime code (by removing manual handling of the active low flag). It also permits handling the reset gpio entirely from within the HCD code, sharing it between the different glue layers. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: gadget: zero: fix format string warningsAsaf Vertz
Fixed the following warnings (reported by cppcheck): [drivers/usb/gadget/function/f_sourcesink.c:1217]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1261]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1305]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1349]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1393]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1437]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1476]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1520]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1564]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int'. [drivers/usb/gadget/function/f_sourcesink.c:1608]: (warning) %d in format string (no. 1) requires 'int' but the argument type is 'unsigned int' Reviewed-by: Amit Virdi <amit.virdi@st.com> Signed-off-by: Asaf Vertz <asaf.vertz@tandemg.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: gadget: ffs: add eventfd notification about ffs eventsRobert Baldyga
Add eventfd which notifies userspace about ep0 events and AIO completion events. It simplifies using of FunctionFS with event loop, because now we need to poll on single file (instead of polling on ep0 and eventfd's supplied to AIO layer). FunctionFS eventfd is not triggered if another eventfd is supplied to AIO layer (in AIO request). It can be useful, for example, when we want to handle AIO transations for chosen endpoint in separate thread. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Acked-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: gadget: f_fs: Fix loop variableMario Schuknecht
Use if-loop variable 'epfile' instead of start variable 'epfiles'. Now the correct endpoint file name is stored. Signed-off-by: Mario Schuknecht <mario.schuknecht@dresearch-fe.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: gadget: Fix os desc testMario Schuknecht
USB vendor type is encoded in field bmRequestType. Make test USB_TYPE_VENDOR with bRequestType instead of bRequest. Signed-off-by: Mario Schuknecht <mario.schuknecht@dresearch-fe.de> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: musb: cppi41: improve rx channel abort routineBin Liu
1. set AUTOREQ to NONE at the beginning of teardown; 2. add delay for dma pipeline to drain; 3. Do not set USB_TDOWN bit for RX teardown. The CPPI hw has an issue that when tearing down a RX channel, if another RX channel is receiving data, the CPPI will lockup. To workaround the issue, do not set the CPPI TD bit. The steps before this point ensures the CPPI channel will be torn down properly. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: musb: cppi41: correct the macro name EP_MODE_AUTOREG_*Bin Liu
The macro EP_MODE_AUTOREG_* should be called EP_MODE_AUTOREQ_*, as they are used for register AUTOREQ. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: renesas_usbhs: add support for requesting DT DMAYoshihiro Shimoda
This patch adds dma_request_slave_channel_reason() calling to request dma slave channels for multiplatform environment. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: renesas_usbhs: add usbhsf_dma_init_pdev() functionYoshihiro Shimoda
To add support for requesting DT DMA in the future, this patch adds usbhsf_dma_init_pdev() function. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: renesas_usbhs: mod_host: use HUB_CHAR_*Sergei Shtylyov
Fix using the bare number to set the 'wHubCharacteristics' field of the Hub Descriptor while the values are #define'd in <linux/usb/ch11.h>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-27usb: musb: virthub: use HUB_CHAR_*Sergei Shtylyov
Fix using the bare numbers to set the 'wHubCharacteristics' field of the Hub Descriptor while the values are #define'd in <linux/usb/ch11.h>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: dummy_hcd: use HUB_CHAR_*Sergei Shtylyov
Fix using the bare numbers to set the 'wHubCharacteristics' field of the Hub Descriptor while the values are #define'd in <linux/usb/ch11.h>. Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: dwc2: hcd: use HUB_CHAR_*Sergei Shtylyov
Fix using the bare number to set the 'wHubCharacteristics' field of the Hub Descriptor while the values are #define'd in <linux/usb/ch11.h>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: uvc: preserve the address passed to kfree()Andrzej Pietrasiewicz
__uvcg_fill_strm() called from __uvcg_iter_stream_cls() might have advanced the "data" even if __uvcg_iter_stream_cls() returns an error, so use a backup copy as an argument to kfree(). Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19MAINTAINERS: update maintainer entry for dwc2 driverPaul Zimmerman
Update the MAINTAINERS entry for the dwc2 driver to show John Youn as the new maintainer Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19Revert "usb: dwc2: add bus suspend/resume for dwc2"Paul Zimmerman
This reverts commit 0cf884e819e05437287a668b9bfcc198bab6329c. Even after applying the follow-on patch at https://patchwork.kernel.org/patch/5325111 there are still problems with device connect on the Altera SOCFPGA platform at least. One possible fix would be to add a whitelist to enable suspend/resume on platforms where it does work correctly. Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: ethernet: re-use %pM specifier to print MACAndy Shevchenko
Instead of custom approach the patch converts code to use %pM specifier to print MAC. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: phy: make GPIOs optional for the generic phyPaul Zimmerman
The use of GPIOs should be optional for the generic phy, otherwise the Altera SOCFPGA platform at least is broken. Fixes breakage caused by a combination of e9f2cefb0cd "usb: phy: generic: migrate to gpio_desc" and 135b3c4304d "usb: dwc2: platform: add generic PHY framework support". Reviewed-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: uvc: cleanup UVCG_FRAME_ATTR macroDan Carpenter
1) Change "conv" an "vnoc" to "to_cpu_endian" to "to_little_endian". 2) No need to check the "limit" because that is already handled in kstrtoXX so delete that parameter along with the check. 3) By using a "bits" parameter, we can combine the "uxx" parameter and the "str2u" parameters. 4) The kstrtou##bits() conversion does not need to be done under the mutex so move it to the start of the function. 5) Change the name of "identity_conv" to "noop_conversion". Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: uvc: memory leak in uvcg_frame_make()Dan Carpenter
We need to add a kfree(h) on an error path. Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: uvc: remove an impossible conditionDan Carpenter
"num" is a u32 so "(num > 0xFFFFFFFF)" is never true. Also the range is already checked in kstrtou32(). Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19usb: gadget: uvc: fix some error codesDan Carpenter
We're basically saying ERR_CAST(NULL) and PTR_ERR(NULL) here, which is nonsensical. Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
2015-01-19Merge tag 'v3.19-rc5' into nextFelipe Balbi
Linux 3.19-rc5 Conflicts: drivers/usb/dwc2/gadget.c drivers/usb/gadget/udc/bdc/bdc_ep.c
2015-01-18Linux 3.19-rc5Linus Torvalds
2015-01-18Merge tag 'armsoc-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "We've been sitting on our fixes branch for a while, so this batch is unfortunately on the large side. A lot of these are tweaks and fixes to device trees, fixing various bugs around clocks, reg ranges, etc. There's also a few defconfig updates (which are on the late side, no more of those). All in all the diffstat is bigger than ideal at this time, but nothing in here seems particularly risky" * tag 'armsoc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits) reset: sunxi: fix spinlock initialization ARM: dts: disable CCI on exynos5420 based arndale-octa drivers: bus: check cci device tree node status ARM: rockchip: disable jtag/sdmmc autoswitching on rk3288 ARM: nomadik: fix up leftover device tree pins ARM: at91: board-dt-sama5: add phy_fixup to override NAND_Tree ARM: at91/dt: sam9263: Add missing clocks to lcdc node ARM: at91: sama5d3: dt: correct the sound route ARM: at91/dt: sama5d4: fix the timer reg length ARM: exynos_defconfig: Enable LM90 driver ARM: exynos_defconfig: Enable options for display panel support arm: dts: Use pmu_system_controller phandle for dp phy ARM: shmobile: sh73a0 legacy: Set .control_parent for all irqpin instances ARM: dts: berlin: correct BG2Q's SM GPIO location. ARM: dts: berlin: add broken-cd and set bus width for eMMC in Marvell DMP DT ARM: dts: berlin: fix io clk and add missing core clk for BG2Q sdhci2 host ARM: dts: Revert disabling of smc91x for n900 ARM: dts: imx51-babbage: Fix ULPI PHY reset modelling ARM: dts: dra7-evm: fix qspi device tree partition size ARM: omap2plus_defconfig: use CONFIG_CPUFREQ_DT ...
2015-01-18Merge tag 'clk-fixes-for-linus' of ↵Linus Torvalds
git://git.linaro.org/people/mike.turquette/linux Pull clock driver fixes from Mike Turquette: "Small number of fixes for clock drivers and a single null pointer dereference fix in the framework core code. The driver fixes vary from fixing section mismatch warnings to preventing machines from hanging (and preventing developers from crying)" * tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux: clk: fix possible null pointer dereference Revert "clk: ppc-corenet: Fix Section mismatch warning" clk: rockchip: fix deadlock possibility in cpuclk clk: berlin: bg2q: remove non-exist "smemc" gate clock clk: at91: keep slow clk enabled to prevent system hang clk: rockchip: fix rk3288 cpuclk core dividers clk: rockchip: fix rk3066 pll lock bit location clk: rockchip: Fix clock gate for rk3188 hclk_emem_peri clk: rockchip: add CLK_IGNORE_UNUSED flag to fix rk3066/rk3188 USB Host
2015-01-18Merge tag 'scsi-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "This is one fix for a Multiqueue sleeping in invalid context problem and a MAINTAINER file update for Qlogic" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ->queue_rq can't sleep MAINTAINERS: Update maintainer list for qla4xxx
2015-01-17clk: fix possible null pointer dereferenceStanimir Varbanov
The commit 646cafc6 (clk: Change clk_ops->determine_rate to return a clk_hw as the best parent) opens a possibility for null pointer dereference, fix this. Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Michael Turquette <mturquette@linaro.org>
2015-01-17Revert "clk: ppc-corenet: Fix Section mismatch warning"Kevin Hao
This reverts commit da788acb28386aa896224e784954bb73c99ff26c. That commit tried to fix the section mismatch warning by moving the ppc_corenet_clk_driver struct to init section. This is definitely wrong because the kernel would free the memories occupied by this struct after boot while this driver is still registered in the driver core. The kernel would panic when accessing this driver struct. Cc: stable@vger.kernel.org # 3.17 Signed-off-by: Kevin Hao <haokexin@gmail.com> Acked-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Michael Turquette <mturquette@linaro.org>