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2018-04-23Merge tag 'drm-intel-next-fixes-2018-04-19' of ↵Dave Airlie
git://anongit.freedesktop.org/drm/drm-intel into drm-next - Fix for FDO #105549: Avoid OOPS on bad VBT (Jani) - Fix rare pre-emption race (Chris) - Fix RC6 race against PM transitions (Tvrtko) * tag 'drm-intel-next-fixes-2018-04-19' of git://anongit.freedesktop.org/drm/drm-intel: drm/i915/audio: Fix audio detection issue on GLK drm/i915: Call i915_perf_fini() on init_hw error unwind drm/i915/bios: filter out invalid DDC pins from VBT child devices drm/i915/pmu: Inspect runtime PM state more carefully while estimating RC6 drm/i915: Do no use kfree() to free a kmem_cache_alloc() return value drm/i915/execlists: Clear user-active flag on preemption completion drm/i915/gvt: Add drm_format_mod update drm/i915/gvt: Disable primary/sprite/cursor plane at virtual display initialization drm/i915/gvt: Delete redundant error message in fb_decode.c drm/i915/gvt: Cancel dma map when resetting ggtt entries drm/i915/gvt: Missed to cancel dma map for ggtt entries drm/i915/gvt: Make MI_USER_INTERRUPT nop in cmd parser drm/i915/gvt: Mark expected switch fall-through in handle_g2v_notification drm/i915/gvt: throw error on unhandled vfio ioctls
2018-04-22net: ethernet: ti: cpsw: fix tx vlan priority mappingIvan Khoronzhuk
The CPDMA_TX_PRIORITY_MAP in real is vlan pcp field priority mapping register and basically replaces vlan pcp field for tagged packets. So, set it to be 1:1 mapping. Otherwise, it will cause unexpected change of egress vlan tagged packets, like prio 2 -> prio 5. Fixes: e05107e6b747 ("net: ethernet: ti: cpsw: add multi queue support") Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-22s390/qeth: use Read device to query hypervisor for MACJulian Wiedmann
For z/VM NICs, qeth needs to consider which of the three CCW devices in an MPC group it uses for requesting a managed MAC address. On the Base device, the hypervisor returns a default MAC which is pre-assigned when creating the NIC (this MAC is also returned by the READ MAC primitive). Querying any other device results in the allocation of an additional MAC address. For consistency with READ MAC and to avoid using up more addresses than necessary, it is preferable to use the NIC's default MAC. So switch the the diag26c over to using a NIC's Read device, which should always be identical to the Base device. Fixes: ec61bd2fd2a2 ("s390/qeth: use diag26c to get MAC address on L2") Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-22s390/qeth: fix request-side race during cmd IO timeoutJulian Wiedmann
Submitting a cmd IO request (usually on the WRITE device, but for IDX also on the READ device) is currently done with ccw_device_start() and a manual timeout in the caller. On timeout, the caller cleans up the related resources (eg. IO buffer). But 1) the IO might still be active and utilize those resources, and 2) when the IO completes, qeth_irq() will attempt to clean up the same resources again. Instead of introducing additional resource locking, switch to ccw_device_start_timeout() to ensure IO termination after timeout, and let the IRQ handler alone deal with cleaning up after a request. This also removes a stray write->irq_pending reset from clear_ipacmd_list(). The routine doesn't terminate any pending IO on the WRITE device, so this should be handled properly via IO timeout in the IRQ handler. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-22s390/qeth: fix MAC address update sequenceJulian Wiedmann
When changing the MAC address on a L2 qeth device, current code first unregisters the old address, then registers the new one. If HW rejects the new address (or the IO fails), the device ends up with no operable address at all. Re-order the code flow so that the old address only gets dropped if the new address was registered successfully. While at it, add logic to catch some corner-cases. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-22s390/qeth: handle failure on workqueue creationJulian Wiedmann
Creating the global workqueue during driver init may fail, deal with it. Also, destroy the created workqueue on any subsequent error. Fixes: 0f54761d167f ("qeth: Support VEPA mode") Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-22s390/qeth: avoid control IO completion stallsJulian Wiedmann
For control IO, qeth currently tracks the index of the buffer that it expects to complete the next IO on each qeth_channel. If the channel presents an IRQ while this buffer has not yet completed, no completion processing for _any_ completed buffer takes place. So if the 'next buffer' is skipped for any sort of reason* (eg. when it is released due to error conditions, before the IO is started), the buffer obviously won't switch to PROCESSED until it is eventually allocated for a _different_ IO and completes. Until this happens, all completion processing on that channel stalls and pending requests possibly time out. As a fix, remove the whole 'next buffer' logic and simply process any IO buffer right when it completes. A channel will never have more than one IO pending, so there's no risk of processing out-of-sequence. *Note: currently just one location in the code really handles this problem, by advancing the 'next' index manually. Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-22s390/qeth: fix error handling in adapter command callbacksJulian Wiedmann
Make sure to check both return code fields before(!) processing the command response. Otherwise we risk operating on invalid data. This matches an earlier fix for SETASSPARMS commands, see commit ad3cbf613329 ("s390/qeth: fix error handling in checksum cmd callback"). Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-22mtd: nand: Fix nanddev_mtd_erase()Boris Brezillon
Commit e7bfb3fdbde3 ("mtd: Stop updating erase_info->state and calling mtd_erase_callback()") removed the einfo->state field and the MTD_ERASE_XXX macros. At the same time, the generic NAND layer was added and made sure to update the erase info state. It did not result in a build failure after merging the nand/for-4.17 branch in mtd/next because the generic NAND layer is not selected yet. Let's fix that before a config option starts selecting MTD_NAND_CORE. Fixes: e7bfb3fdbde3 ("mtd: Stop updating erase_info->state and calling mtd_erase_callback()") Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-04-22Merge branch 'timers-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Thomas Gleixner: "A small set of timer fixes: - Evaluate the -ETIME condition correctly in the imx tpm driver - Fix the evaluation order of a condition in posix cpu timers - Use pr_cont() in the clockevents code to prevent ugly message splitting - Remove __current_kernel_time() which is now unused to prevent that new users show up. - Remove a stale forward declaration" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource/imx-tpm: Correct -ETIME return condition check posix-cpu-timers: Ensure set_process_cpu_timer is always evaluated timekeeping: Remove __current_kernel_time() timers: Remove stale struct tvec_base forward declaration clockevents: Fix kernel messages split across multiple lines
2018-04-22serial: mvebu-uart: Fix local flags handling on termios updateMarc Zyngier
Commit 68a0db1d7da2 reworked the baud rate selection, but also added a (not so) subtle change in the way the local flags (c_lflag in the termios structure) are handled, forcing the new flags to always be the same as the old ones. The reason for that particular change is both obscure and undocumented. It also completely breaks userspace. Something as trivial as getty is unusable: <example> Debian GNU/Linux 9 sy-borg ttyMV0 sy-borg login: root root [timeout] Debian GNU/Linux 9 sy-borg ttyMV0 </example> which is quite obvious in retrospect: getty cannot get in control of the echo mode, is stuck in canonical mode, and times out without ever seeing anything valid. It also begs the question of how this change was ever tested. The fix is pretty obvious: stop messing with c_lflag, and the world will be a happier place. Cc: stable@vger.kernel.org # 4.15+ Fixes: 68a0db1d7da2 ("serial: mvebu-uart: add function to change baudrate") Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22tty: n_gsm: Fix DLCI handling for ADM mode if debug & 2 is not setTony Lindgren
At least on droid 4 with control channel in ADM mode, there is no response to Modem Status Command (MSC). Currently gsmtty_modem_update() expects to have data in dlci->modem_rx unless debug & 2 is set. This means that on droid 4, things only work if debug & 2 is set. Let's fix the issue by ignoring empty dlci->modem_rx for ADM mode. In the AMD mode, CMD_MSC will never respond and gsm_process_modem() won't get called to set dlci->modem_rx. And according to ts_127010v140000p.pdf, MSC is only relevant if basic option is chosen, so let's test for that too. Fixes: ea3d8465ab9b ("tty: n_gsm: Allow ADM response in addition to UA for control dlci") Cc: linux-serial@vger.kernel.org Cc: Alan Cox <alan@llwyncelyn.cymru> Cc: Dan Williams <dcbw@redhat.com> Cc: Jiri Prchal <jiri.prchal@aksignal.cz> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Marcel Partap <mpartap@gmx.net> Cc: Merlijn Wajer <merlijn@wizzup.org> Cc: Michael Nazzareno Trimarchi <michael@amarulasolutions.com> Cc: Michael Scott <michael.scott@linaro.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: Peter Hurley <peter@hurleysoftware.com> Cc: Russ Gorby <russ.gorby@intel.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Sebastian Reichel <sre@kernel.org> Signed-off-by: Tony Lindgren <tony@atomide.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22tty: n_gsm: Fix long delays with control frame timeouts in ADM modeTony Lindgren
Commit ea3d8465ab9b ("tty: n_gsm: Allow ADM response in addition to UA for control dlci") added support for DLCI to stay in Asynchronous Disconnected Mode (ADM). But we still get long delays waiting for commands to other DLCI to complete: --> 5) C: SABM(P) Q> 0) C: UIH(F) Q> 0) C: UIH(F) Q> 0) C: UIH(F) ... This happens because gsm_control_send() sets cretries timer to T2 that is by default set to 34. This will cause resend for T2 times for the control frame. In ADM mode, we will never get a response so the control frame, so retries are just delaying all the commands. Let's fix the issue by setting DLCI_MODE_ADM flag after detecting the ADM mode for the control DLCI. Then we can use that in gsm_control_send() to set retries to 1. This means the control frame will be sent once allowing the other end at an opportunity to switch from ADM to ABM mode. Note that retries will be decremented in gsm_control_retransmit() so we don't want to set it to 0 here. Fixes: ea3d8465ab9b ("tty: n_gsm: Allow ADM response in addition to UA for control dlci") Cc: linux-serial@vger.kernel.org Cc: Alan Cox <alan@llwyncelyn.cymru> Cc: Dan Williams <dcbw@redhat.com> Cc: Jiri Prchal <jiri.prchal@aksignal.cz> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Marcel Partap <mpartap@gmx.net> Cc: Merlijn Wajer <merlijn@wizzup.org> Cc: Michael Nazzareno Trimarchi <michael@amarulasolutions.com> Cc: Michael Scott <michael.scott@linaro.org> Cc: Pavel Machek <pavel@ucw.cz> Cc: Peter Hurley <peter@hurleysoftware.com> Cc: Russ Gorby <russ.gorby@intel.com> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Sebastian Reichel <sre@kernel.org> Signed-off-by: Tony Lindgren <tony@atomide.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22xhci: Fix Kernel oops in xhci dbgttyZhengjun Xing
tty_unregister_driver may be called more than 1 time in some hotplug cases,it will cause the kernel oops. This patch checked dbc_tty_driver to make sure it is unregistered only 1 time. [ 175.741404] BUG: unable to handle kernel NULL pointer dereference at 0000000000000034 [ 175.742309] IP: tty_unregister_driver+0x9/0x70 [ 175.743148] PGD 0 P4D 0 [ 175.743981] Oops: 0000 [#1] SMP PTI [ 175.753904] RIP: 0010:tty_unregister_driver+0x9/0x70 [ 175.754817] RSP: 0018:ffffa8ff831d3bb0 EFLAGS: 00010246 [ 175.755753] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 175.756685] RDX: ffff92089c616000 RSI: ffffe64fe1b26080 RDI: 0000000000000000 [ 175.757608] RBP: ffff92086c988230 R08: 000000006c982701 R09: 00000001801e0016 [ 175.758533] R10: ffffa8ff831d3b48 R11: ffff92086c982100 R12: ffff92086c98827c [ 175.759462] R13: ffff92086c988398 R14: 0000000000000060 R15: ffff92089c5e9b40 [ 175.760401] FS: 0000000000000000(0000) GS:ffff9208a0100000(0000) knlGS:0000000000000000 [ 175.761334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 175.762270] CR2: 0000000000000034 CR3: 000000011800a003 CR4: 00000000003606e0 [ 175.763225] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 175.764164] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 175.765091] Call Trace: [ 175.766014] xhci_dbc_tty_unregister_driver+0x11/0x30 [ 175.766960] xhci_dbc_exit+0x2a/0x40 [ 175.767889] xhci_stop+0x57/0x1c0 [ 175.768824] usb_remove_hcd+0x100/0x250 [ 175.769708] usb_hcd_pci_remove+0x68/0x130 [ 175.770574] pci_device_remove+0x3b/0xc0 [ 175.771435] device_release_driver_internal+0x157/0x230 [ 175.772343] pci_stop_bus_device+0x74/0xa0 [ 175.773205] pci_stop_bus_device+0x2b/0xa0 [ 175.774061] pci_stop_bus_device+0x2b/0xa0 [ 175.774907] pci_stop_bus_device+0x2b/0xa0 [ 175.775741] pci_stop_bus_device+0x2b/0xa0 [ 175.776618] pci_stop_bus_device+0x2b/0xa0 [ 175.777452] pci_stop_bus_device+0x2b/0xa0 [ 175.778273] pci_stop_bus_device+0x2b/0xa0 [ 175.779092] pci_stop_bus_device+0x2b/0xa0 [ 175.779908] pci_stop_bus_device+0x2b/0xa0 [ 175.780750] pci_stop_bus_device+0x2b/0xa0 [ 175.781543] pci_stop_and_remove_bus_device+0xe/0x20 [ 175.782338] pciehp_unconfigure_device+0xb8/0x160 [ 175.783128] pciehp_disable_slot+0x4f/0xd0 [ 175.783920] pciehp_power_thread+0x82/0xa0 [ 175.784766] process_one_work+0x147/0x3c0 [ 175.785564] worker_thread+0x4a/0x440 [ 175.786376] kthread+0xf8/0x130 [ 175.787174] ? rescuer_thread+0x360/0x360 [ 175.787964] ? kthread_associate_blkcg+0x90/0x90 [ 175.788798] ret_from_fork+0x35/0x40 Cc: <stable@vger.kernel.org> # 4.16 Fixes: dfba2174dc42 ("usb: xhci: Add DbC support in xHCI driver") Signed-off-by: Zhengjun Xing <zhengjun.xing@linux.intel.com> Tested-by: Christian Kellner <christian@kellner.me> Reviewed-by: Christian Kellner <christian@kellner.me> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usb: select USB_COMMON for usb role switch configArnd Bergmann
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>
2018-04-22usb: core: phy: add missing forward declaration for "struct device"Martin Blumenstingl
Currently hcd.c is the only consumer of the usb_phy_roothub logic. This already includes the required header files so struct device is known. However, future consumers might not know about struct device. Add a forward declaration for struct device to fix potential future consumers which don't include any of the struct device API headers. Fixes: 07dbff0ddbd86c ("usb: core: add a wrapper for the USB PHYs on the HCD") Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usb: core: phy: make it a no-op if CONFIG_GENERIC_PHY is disabledMartin Blumenstingl
If the generic PHY support is disabled the stub of devm_of_phy_get_by_index returns ENOSYS. This corner case isn't handled properly by usb_phy_roothub_add_phy and at least breaks USB support on Raspberry Pi (bcm2835_defconfig): dwc2 20980000.usb: dwc2_hcd_init() FAILED, returning -38 dwc2: probe of 20980000.usb failed with error -38 Let usb_phy_roothub_alloc() return in case CONFIG_GENERIC_PHY is disabled to fix this issue (compilers might even be smart enough to optimize away most of the code within usb_phy_roothub_alloc and usb_phy_roothub_add_phy if CONFIG_GENERIC_PHY is disabled). All existing usb_phy_roothub_* functions are already NULL-safe, so no special handling is required there. Fixes: 07dbff0ddbd8 ("usb: core: add a wrapper for the USB PHYs on the HCD") Reported-by: Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usb: core: use phy_exit during suspend if wake up is not supportedMartin Blumenstingl
If the USB controller can wake up the system (which is the case for example with the Mediatek USB3 IP) then we must not call phy_exit during suspend to ensure that the USB controller doesn't have to re-enumerate the devices during resume. However, if the USB controller cannot wake up the system (which is the case for example on various TI platforms using a dwc3 controller) then we must call phy_exit during suspend. Otherwise the PHY driver keeps the clocks enabled, which prevents the system from reaching the lowest power levels in the suspend state. Solve this by introducing two new functions in the PHY wrapper which are dedicated to the suspend and resume handling. If the controller can wake up the system the new usb_phy_roothub_suspend function will simply call usb_phy_roothub_power_off. However, if wake up is not supported by the controller it will also call usb_phy_roothub_exit. The also new usb_phy_roothub_resume function takes care of calling usb_phy_roothub_init (if the controller can't wake up the system) in addition to usb_phy_roothub_power_on. Fixes: 07dbff0ddbd86c ("usb: core: add a wrapper for the USB PHYs on the HCD") Fixes: 178a0bce05cbc1 ("usb: core: hcd: integrate the PHY wrapper into the HCD core") Reported-by: Roger Quadros <rogerq@ti.com> Suggested-by: Roger Quadros <rogerq@ti.com> Suggested-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Tested-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Reviewed-by: Roger Quadros <rogerq@ti.com> Tested-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usb: core: split usb_phy_roothub_{init,alloc}Martin Blumenstingl
Before this patch usb_phy_roothub_init served two purposes (from a caller's point of view - like hcd.c): - parsing the PHYs and allocating the list entries - calling phy_init on each list entry While this worked so far it has one disadvantage: if we need to call phy_init for each PHY instance then the existing code cannot be re-used. Solve this by splitting off usb_phy_roothub_alloc which only parses the PHYs and allocates the list entries. usb_phy_roothub_init then gets a struct usb_phy_roothub and only calls phy_init on each PHY instance (along with the corresponding cleanup if that failed somewhere). This is a preparation step for adding proper suspend support for some hardware that requires phy_exit to be called during suspend and phy_init to be called during resume. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Tested-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Reviewed-by: Roger Quadros <rogerq@ti.com> Tested-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usb: core: phy: fix return value of usb_phy_roothub_exit()Martin Blumenstingl
usb_phy_roothub_exit() should return the error code from the phy_exit() call if exiting the PHY failed. However, since a wrong variable is used usb_phy_roothub_exit() currently always returns 0, even if one of the phy_exit calls returned an error. Clang also reports this bug: kernel/drivers/usb/core/phy.c:114:8: warning: explicitly assigning value of variable of type 'int' to itself [-Wself-assign] error, forbidden warning: phy.c:114 Fix this by assigning the error code from phy_exit() to the "ret" variable to propagate the error correctly. Fixes: 07dbff0ddbd86c ("usb: core: add a wrapper for the USB PHYs on the HCD") Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org> Tested-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usb: typec: ucsi: Increase command completion timeout valueHeikki Krogerus
On some boards, under heavy load, the EC firmware is unable to complete commands even in one second. Increasing the command completion timeout value to five seconds. Reported-by: Quanxian Wang <quanxian.wang@intel.com> Fixes: c1b0bc2dabfa ("usb: typec: Add support for UCSI interface") Cc: <stable@vger.kernel.org> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22Revert "xhci: plat: Register shutdown for xhci_plat"Greg Kroah-Hartman
This reverts commit b07c12517f2aed0add8ce18146bb426b14099392 It is incomplete and causes hangs on devices when shutting down. It needs a much more "complete" fix in order to work properly. As that fix has not been merged, revert this patch for now before it causes any more problems. Cc: Greg Hackmann <ghackmann@google.com> Cc: Adam Wallis <awallis@codeaurora.org> Cc: Mathias Nyman <mathias.nyman@intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usb: core: Add quirk for HP v222w 16GB MiniKamil Lulko
Add DELAY_INIT quirk to fix the following problem with HP v222w 16GB Mini: usb 1-3: unable to read config index 0 descriptor/start: -110 usb 1-3: can't read configurations, error -110 usb 1-3: can't set config #1, error -110 Signed-off-by: Kamil Lulko <kamilx.lulko@intel.com> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usb: typec: ucsi: fix tracepoint related build errorTobias Regnery
There is the following build error with CONFIG_TYPEC_UCSI=m, CONFIG_FTRACE=y and CONFIG_TRACING=n: ERROR: "__tracepoint_ucsi_command" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_register_port" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_notify" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_reset_ppm" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_run_command" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_ack" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! ERROR: "__tracepoint_ucsi_connector_change" [drivers/usb/typec/ucsi/typec_ucsi.ko] undefined! This compination is quite hard to create because CONFIG_TRACING gets selected only in rare cases without CONFIG_FTRACE. The build failure is caused by conditionally compiling trace.c depending on the wrong option CONFIG_FTRACE. Change this to depend on CONFIG_TRACING like other users of tracepoints do. Fixes: c1b0bc2dabfa ("usb: typec: Add support for UCSI interface") Signed-off-by: Tobias Regnery <tobias.regnery@gmail.com> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usbip: usbip_event: fix to not print kernel pointer addressShuah Khan
Fix it to not print kernel pointer address. Remove the conditional and debug message as it isn't very useful. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usbip: usbip_host: fix to hold parent lock for device_attach() callsShuah Khan
usbip_host calls device_attach() without holding dev->parent lock. Fix it. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usbip: vhci_hcd: Fix usb device and sockfd leaksShuah Khan
vhci_hcd fails to do reset to put usb device and sockfd in the module remove/stop paths. Fix the leak. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22usbip: vhci_hcd: check rhport before using in vhci_hub_control()Shuah Khan
Validate !rhport < 0 before using it to access port_status array. Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-22USB: Increment wakeup count on remote wakeup.Ravi Chandra Sadineni
On chromebooks we depend on wakeup count to identify the wakeup source. But currently USB devices do not increment the wakeup count when they trigger the remote wake. This patch addresses the same. Resume condition is reported differently on USB 2.0 and USB 3.0 devices. On USB 2.0 devices, a wake capable device, if wake enabled, drives resume signal to indicate a remote wake (USB 2.0 spec section 7.1.7.7). The upstream facing port then sets C_PORT_SUSPEND bit and reports a port change event (USB 2.0 spec section 11.24.2.7.2.3). Thus if a port has resumed before driving the resume signal from the host and C_PORT_SUSPEND is set, then the device attached to the given port might be the reason for the last system wakeup. Increment the wakeup count for the same. On USB 3.0 devices, a function may signal that it wants to exit from device suspend by sending a Function Wake Device Notification to the host (USB3.0 spec section 8.5.6.4) Thus on receiving the Function Wake, increment the wakeup count. Signed-off-by: Ravi Chandra Sadineni <ravisadineni@chromium.org> Acked-by: Alan Stern <stern@rowland.harvard.edu> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-21Merge tag 'random_for_linus_stable' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random Pull /dev/random fixes from Ted Ts'o: "Fix some bugs in the /dev/random driver which causes getrandom(2) to unblock earlier than designed. Thanks to Jann Horn from Google's Project Zero for pointing this out to me" * tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: random: add new ioctl RNDRESEEDCRNG random: crng_reseed() should lock the crng instance that it is modifying random: set up the NUMA crng instances after the CRNG is fully initialized random: use a different mixing algorithm for add_device_randomness() random: fix crng_ready() test
2018-04-21Merge branch 'libnvdimm-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm fixes from Dan Williams: "A regression fix, new unit test infrastructure and a build fix: - Regression fix addressing support for the new NVDIMM label storage area access commands (_LSI, _LSR, and _LSW). The Intel specific version of these commands communicated the "Device Locked" status on the label-storage-information command. However, these new commands (standardized in ACPI 6.2) communicate the "Device Locked" status on the label-storage-read command, and the driver was missing the indication. Reading from locked persistent memory is similar to reading unmapped PCI memory space, returns all 1's. - Unit test infrastructure is added to regression test the "Device Locked" detection failure. - A build fix is included to allow the "of_pmem" driver to be built as a module and translate an Open Firmware described device to its local numa node" * 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: MAINTAINERS: Add backup maintainers for libnvdimm and DAX device-dax: allow MAP_SYNC to succeed Revert "libnvdimm, of_pmem: workaround OF_NUMA=n build error" libnvdimm, of_pmem: use dev_to_node() instead of of_node_to_nid() tools/testing/nvdimm: enable labels for nfit_test.1 dimms tools/testing/nvdimm: fix missing newline in nfit_test_dimm 'handle' attribute tools/testing/nvdimm: support nfit_test_dimm attributes under nfit_test.1 tools/testing/nvdimm: allow custom error code injection libnvdimm, dimm: handle EACCES failures from label reads
2018-04-21Merge tag 'linux-watchdog-4.17-rc2' of ↵Linus Torvalds
git://www.linux-watchdog.org/linux-watchdog Pull watchdog fixes from Wim Van Sebroeck: - fall-through fixes - MAINTAINER change for hpwdt - renesas-wdt: Add support for WDIOF_CARDRESET - aspeed: set bootstatus during probe * tag 'linux-watchdog-4.17-rc2' of git://www.linux-watchdog.org/linux-watchdog: aspeed: watchdog: Set bootstatus during probe watchdog: renesas-wdt: Add support for WDIOF_CARDRESET watchdog: wafer5823wdt: Mark expected switch fall-through watchdog: w83977f_wdt: Mark expected switch fall-through watchdog: sch311x_wdt: Mark expected switch fall-through watchdog: hpwdt: change maintainer.
2018-04-21Merge branch 'akpm' (patches from Andrew)Linus Torvalds
Merge misc fixes from Andrew Morton: - "fork: unconditionally clear stack on fork" is a non-bugfix which got lost during the merge window - performance concerns appear to have been adequately addressed. - and a bunch of fixes * emailed patches from Andrew Morton <akpm@linux-foundation.org>: mm/filemap.c: fix NULL pointer in page_cache_tree_insert() mm: memcg: add __GFP_NOWARN in __memcg_schedule_kmem_cache_create() fs, elf: don't complain MAP_FIXED_NOREPLACE unless -EEXIST error kexec_file: do not add extra alignment to efi memmap proc: fix /proc/loadavg regression proc: revalidate kernel thread inodes to root:root autofs: mount point create should honour passed in mode MAINTAINERS: add personal addresses for Sascha and Uwe kasan: add no_sanitize attribute for clang builds rapidio: fix rio_dma_transfer error handling mm: enable thp migration for shmem thp writeback: safer lock nesting mm, pagemap: fix swap offset value for PMD migration entry mm: fix do_pages_move status handling fork: unconditionally clear stack on fork
2018-04-20rapidio: fix rio_dma_transfer error handlingIoan Nicu
Some of the mport_dma_req structure members were initialized late inside the do_dma_request() function, just before submitting the request to the dma engine. But we have some error branches before that. In case of such an error, the code would return on the error path and trigger the calling of dma_req_free() with a req structure which is not completely initialized. This causes a NULL pointer dereference in dma_req_free(). This patch fixes these error branches by making sure that all necessary mport_dma_req structure members are initialized in rio_dma_transfer() immediately after the request structure gets allocated. Link: http://lkml.kernel.org/r/20180412150605.GA31409@nokia.com Fixes: bbd876adb8c72 ("rapidio: use a reference count for struct mport_dma_req") Signed-off-by: Ioan Nicu <ioan.nicu.ext@nokia.com> Tested-by: Alexander Sverdlin <alexander.sverdlin@nokia.com> Acked-by: Alexandre Bounine <alex.bou9@gmail.com> Cc: Barry Wood <barry.wood@idt.com> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Cc: Logan Gunthorpe <logang@deltatee.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: Frank Kunz <frank.kunz@nokia.com> Cc: <stable@vger.kernel.org> [4.6+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-04-20scsi: target: Fix fortify_panic kernel exceptionBryant G Ly
memcmp() requires the two buffers passed as arguments to be at least 'size' bytes long, otherwise a fortify_panic will trigger. Use memchr_inv() instead of memcmp() to determine whether the received payload is zeroed or not. The bug was found by running a block backstore via LIO. [ 496.212958] Call Trace: [ 496.212960] [c0000007e58e3800] [c000000000cbbefc] fortify_panic+0x24/0x38 (unreliable) [ 496.212965] [c0000007e58e3860] [d00000000f150c28] iblock_execute_write_same+0x3b8/0x3c0 [target_core_iblock] [ 496.212976] [c0000007e58e3910] [d000000006c737d4] __target_execute_cmd+0x54/0x150 [target_core_mod] [ 496.212982] [c0000007e58e3940] [d000000006d32ce4] ibmvscsis_write_pending+0x74/0xe0 [ibmvscsis] [ 496.212991] [c0000007e58e39b0] [d000000006c74fc8] transport_generic_new_cmd+0x318/0x370 [target_core_mod] [ 496.213001] [c0000007e58e3a30] [d000000006c75084] transport_handle_cdb_direct+0x64/0xd0 [target_core_mod] [ 496.213011] [c0000007e58e3aa0] [d000000006c75298] target_submit_cmd_map_sgls+0x1a8/0x320 [target_core_mod] [ 496.213021] [c0000007e58e3b30] [d000000006c75458] target_submit_cmd+0x48/0x60 [target_core_mod] [ 496.213026] [c0000007e58e3bd0] [d000000006d34c20] ibmvscsis_scheduler+0x370/0x600 [ibmvscsis] [ 496.213031] [c0000007e58e3c90] [c00000000013135c] process_one_work+0x1ec/0x580 [ 496.213035] [c0000007e58e3d20] [c000000000131798] worker_thread+0xa8/0x600 [ 496.213039] [c0000007e58e3dc0] [c00000000013a468] kthread+0x168/0x1b0 [ 496.213044] [c0000007e58e3e30] [c00000000000b528] ret_from_kernel_thread+0x5c/0xb4 [mkp: tweaked commit message] Fixes: 2237498f0b5c ("target/iblock: Convert WRITE_SAME to blkdev_issue_zeroout") Signed-off-by: Bryant G. Ly <bryantly@linux.vnet.ibm.com> Reviewed-by: Steven Royer <seroyer@linux.vnet.ibm.com> Tested-by: Taylor Jakobson <tjakobs@us.ibm.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Nicholas Bellinger <nab@linux-iscsi.org> Cc: <stable@vger.kernel.org> # v4.13+ Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-04-20scsi: isci: Fix infinite loop in while loopColin Ian King
In the case when the phy_mask is bitwise anded with the phy_index bit is zero the continue statement currently jumps to the next iteration of the while loop and phy_index is never actually incremented, potentially causing an infinite loop if phy_index is less than SCI_MAX_PHS. Fix this by turning the while loop into a for loop. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-04-21mtd: rawnand: tango: Fix struct clk memory leakMarc Gonzalez
Use devm_clk_get() to let Linux manage struct clk memory. Fixes: 6956e2385a16 ("add tango NAND flash controller support") Cc: stable@vger.kernel.org Reported-by: Xidong Wang <wangxidong_97@163.com> Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com> Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
2018-04-20scsi: storvsc: Set up correct queue depth values for IDE devicesLong Li
Unlike SCSI and FC, we don't use multiple channels for IDE. Also fix the calculation for sub-channels. Signed-off-by: Long Li <longli@microsoft.com> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-04-20PCI: Add "PCIe" to pcie_print_link_status() messagesJakub Kicinski
Currently the pcie_print_link_status() will print PCIe bandwidth and link width information but does not mention it is pertaining to the PCIe. Since this and related functions are used exclusively by networking drivers today users may get confused into thinking that it's the NIC bandwidth that is being talked about. Insert a "PCIe" into the messages. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2018-04-20Merge tag 'mmc-v4.17-3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC fixes from Ulf Hansson: "A couple of MMC host fixes: - sdhci-pci: Fixup tuning for AMD for eMMC HS200 mode - renesas_sdhi_internal_dmac: Avoid data corruption by limiting DMA RX" * tag 'mmc-v4.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: renesas_sdhi_internal_dmac: limit DMA RX for old SoCs mmc: sdhci-pci: Only do AMD tuning for HS200
2018-04-20Merge tag 'md/4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/mdLinus Torvalds
Pull MD fixes from Shaohua Li: "Three small fixes for MD: - md-cluster fix for faulty device from Guoqing - writehint fix for writebehind IO for raid1 from Mariusz - a live lock fix for interrupted recovery from Yufen" * tag 'md/4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: raid1: copy write hint from master bio to behind bio md/raid1: exit sync request if MD_RECOVERY_INTR is set md-cluster: don't update recovery_offset for faulty device
2018-04-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Unbalanced refcounting in TIPC, from Jon Maloy. 2) Only allow TCP_MD5SIG to be set on sockets in close or listen state. Once the connection is established it makes no sense to change this. From Eric Dumazet. 3) Missing attribute validation in neigh_dump_table(), also from Eric Dumazet. 4) Fix address comparisons in SCTP, from Xin Long. 5) Neigh proxy table clearing can deadlock, from Wolfgang Bumiller. 6) Fix tunnel refcounting in l2tp, from Guillaume Nault. 7) Fix double list insert in team driver, from Paolo Abeni. 8) af_vsock.ko module was accidently made unremovable, from Stefan Hajnoczi. 9) Fix reference to freed llc_sap object in llc stack, from Cong Wang. 10) Don't assume netdevice struct is DMA'able memory in virtio_net driver, from Michael S. Tsirkin. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (62 commits) net/smc: fix shutdown in state SMC_LISTEN bnxt_en: Fix memory fault in bnxt_ethtool_init() virtio_net: sparse annotation fix virtio_net: fix adding vids on big-endian virtio_net: split out ctrl buffer net: hns: Avoid action name truncation docs: ip-sysctl.txt: fix name of some ipv6 variables vmxnet3: fix incorrect dereference when rxvlan is disabled llc: hold llc_sap before release_sock() MAINTAINERS: Direct networking documentation changes to netdev atm: iphase: fix spelling mistake: "Tansmit" -> "Transmit" net: qmi_wwan: add Wistron Neweb D19Q1 net: caif: fix spelling mistake "UKNOWN" -> "UNKNOWN" net: stmmac: Disable ACS Feature for GMAC >= 4 net: mvpp2: Fix DMA address mask size net: change the comment of dev_mc_init net: qualcomm: rmnet: Fix warning seen with fill_info tun: fix vlan packet truncation tipc: fix infinite loop when dumping link monitor summary tipc: fix use-after-free in tipc_nametbl_stop ...
2018-04-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID updates from Jiri Kosina: - suspend/resume handling fix for Raydium I2C-connected touchscreen from Aaron Ma - protocol fixup for certain BT-connected Wacoms from Aaron Armstrong Skomra - battery level reporting fix on BT-connected mice from Dmitry Torokhov - hidraw race condition fix from Rodrigo Rivas Costa * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: i2c-hid: fix inverted return value from i2c_hid_command() HID: i2c-hid: Fix resume issue on Raydium touchscreen device HID: wacom: bluetooth: send exit report for recent Bluetooth devices HID: hidraw: Fix crash on HIDIOCGFEATURE with a destroyed device HID: input: fix battery level reporting on BT mice
2018-04-20Merge tag 'for-linus-4.17-rc2-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: - some fixes of kmalloc() flags - one fix of the xenbus driver - an update of the pv sound driver interface needed for a driver which will go through the sound tree * tag 'for-linus-4.17-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen: xenbus_dev_frontend: Really return response string xen/sndif: Sync up with the canonical definition in Xen xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_reg_add xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in xen_pcibk_config_quirks_init xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_device_alloc xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_init_device xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_probe
2018-04-20Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes and kexec-file-load from Martin Schwidefsky: "After the common code kexec patches went in via Andrew we can now push the architecture parts to implement the kexec-file-load system call. Plus a few more bug fixes and cleanups, this includes an update to the default configurations" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/signal: cleanup uapi struct sigaction s390: rename default_defconfig to debug_defconfig s390: remove gcov defconfig s390: update defconfig s390: add support for IBM z14 Model ZR1 s390: remove couple of duplicate includes s390/boot: remove unused COMPILE_VERSION and ccflags-y s390/nospec: include cpu.h s390/decompressor: Ignore file vmlinux.bin.full s390/kexec_file: add generated files to .gitignore s390/Kconfig: Move kexec config options to "Processor type and features" s390/kexec_file: Add ELF loader s390/kexec_file: Add crash support to image loader s390/kexec_file: Add image loader s390/kexec_file: Add kexec_file_load system call s390/kexec_file: Add purgatory s390/kexec_file: Prepare setup.h for kexec_file_load s390/smsgiucv: disable SMSG on module unload s390/sclp: avoid potential usage of uninitialized value
2018-04-20usb: host: xhci-plat: Fix clock resource by adding a register clockGregory CLEMENT
On Armada 7K/8K we need to explicitly enable the register clock. This clock is optional because not all the SoCs using this IP need it but at least for Armada 7K/8K it is actually mandatory. The change was done at xhci-plat level and not at a xhci-mvebu.c because, it is expected that other SoC would have this kind of constraint. The binding documentation is updating accordingly. Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-20usb: host: xhci-plat: Remove useless test before clk_disable_unprepareGregory CLEMENT
clk_disable_unprepare() already checks that the clock pointer is valid. No need to test it before calling it. Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-20xhci: Fix USB ports for Dell Inspiron 5775Kai-Heng Feng
The Dell Inspiron 5775 is a Raven Ridge. The Enable Slot command timed out when a USB device gets plugged: [ 212.156326] xhci_hcd 0000:03:00.3: Error while assigning device slot ID [ 212.156340] xhci_hcd 0000:03:00.3: Max number of devices this xHCI host supports is 64. [ 212.156348] usb usb2-port3: couldn't allocate usb_device AMD suggests that a delay before xHC suspends can fix the issue. I can confirm it fixes the issue, so use the suspend delay quirk for Raven Ridge's xHC. Cc: stable@vger.kernel.org Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-04-19RDMA/ucma: Check for a cm_id->device in all user calls that need itJason Gunthorpe
This is done by auditing all callers of ucma_get_ctx and switching the ones that unconditionally touch ->device to ucma_get_ctx_dev. This covers a little less than half of the call sites. The 11 remaining call sites to ucma_get_ctx() were manually audited. Signed-off-by: Jason Gunthorpe <jgg@mellanox.com> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
2018-04-19device-dax: allow MAP_SYNC to succeedDave Jiang
MAP_SYNC is a nop for device-dax. Allow MAP_SYNC to succeed on device-dax to eliminate special casing between device-dax and fs-dax as to when the flag can be specified. Device-dax users already implicitly assume that they do not need to call fsync(), and this enables them to explicitly check for this capability. Cc: <stable@vger.kernel.org> Fixes: b6fb293f2497 ("mm: Define MAP_SYNC and VM_SYNC flags") Signed-off-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>