Commit graph

783067 commits

Author SHA1 Message Date
Faisal Mehmood 6af19fd105 usb: dwc3: Fix spelling of 'optimizations'
'optimizations' was misspelled as 'optmizations'. Fixed it. It is a
coding style change which should have no impact on runtime execution of code.

Signed-off-by: Faisal Mehmood <f.m3hm00d@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:43:51 +03:00
Rob Herring 6fd573e1a7 usb: gadget: atmel: remove pointless retrieval of DT name property
The name is always non-NULL and then is not used anywhere in this function,
so remove it.

Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Felipe Balbi <balbi@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-usb@vger.kernel.org
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:43:26 +03:00
Nicholas Mc Guire 24b804e40f usb: gadget: fsl_udc_core: fixup struct_udc_setup documentation
The original implementation from commit b504882da5
("USB: add Freescale high-speed USB SOC device controller driver")
returned NULL on failure and an allocated + initialized struct fsl_udc on
success. The current code introduced in commit 4365831dad
("USB: fsl_usb2_udc: Get max ep number from DCCPARAMS register") only
provides partial initialization as well as returning 0 on success and -1
on failures. The function documentation is updated accordingly.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: 4365831dad ("USB: fsl_usb2_udc: Get max ep number from DCCPARAMS register")
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:43:12 +03:00
Nicholas Mc Guire 4ab2b48c98 usb: gadget: fsl_udc_core: check allocation return value and cleanup on failure
The allocation with fsl_alloc_request() and kmalloc() were unchecked
fixed this up with a NULL check and appropriate cleanup.

Additionally udc->ep_qh_size was reset to 0 on failure of allocation.
Similar udc->phy_mode is initially 0 (as udc_controller was
allocated with kzalloc in fsl_udc_probe()) so reset it to 0 as well
so that this function is side-effect free on failure. Not clear if
this is necessary or sensible as fsl_udc_release() probably can not
be called if fsl_udc_probe() failed - but it should not hurt.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: b504882da5 ("USB: add Freescale high-speed USB SOC device controller driver")
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:43:08 +03:00
Chunfeng Yun adc23f16bc usb: mtu3: disable vbus rise/fall interrupts of ltssm
The vbus rise & fall interrupts are used to enable and disable
U3 function of device automatically, this cause some issues when
class driver is initialized as deactivated, and will skip over
software-controlled connect by pullup(), but UDC wants to keep
disconnect until usb_gadget_activate() is called which calls
pullup() if needed. So we disable vbus rise & fall interrupts
and just use pullup() to enable & disable U3 function, and reset
mtu3 state when disconnect instead when vbus fall.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:39:02 +03:00
Yoshihiro Shimoda 794f97a4b9 usb: renesas_usbhs: Add multiple clocks management
R-Car Gen3 needs to enable clocks of both host and peripheral.
Since [eo]hci-platform disables the reset(s) when the drivers are
removed, renesas_usbhs driver doesn't work correctly. To fix this
issue, this patch adds multiple clocks management on this
renesas_usbhs driver.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:38:33 +03:00
Yoshihiro Shimoda 18320f4779 dt-bindings: usb: renesas_usbhs: add clock-names property
R-Car Gen3 needs to enable clocks of both host and peripheral.
Otherwise, other side device cannot work correctly. So, this patch
adds a property of clock-names for R-Car Gen3 as an optional.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:38:30 +03:00
Yoshihiro Shimoda 26eef8e011 usb: renesas_usbhs: Add reset_control
R-Car Gen3 needs to deassert resets of both host and peripheral.
Since [eo]hci-platform is possible to assert the reset(s) when
the probing failed, renesas_usbhs driver doesn't work correctly
regardless of finished probing. To fix this issue, this patch adds
reset_control on this renesas_usbhs driver.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:38:25 +03:00
Thinh Nguyen 87dd96111b usb: dwc3: gadget: Check ENBLSLPM before sending ep command
When operating in USB 2.0 speeds (HS/FS), if GUSB2PHYCFG.ENBLSLPM or
GUSB2PHYCFG.SUSPHY is set, it must be cleared before issuing an endpoint
command.

Current implementation only save and restore GUSB2PHYCFG.SUSPHY
configuration. We must save and clear both GUSB2PHYCFG.ENBLSLPM and
GUSB2PHYCFG.SUSPHY settings. Restore them after the command is
completed.

DWC_usb3 3.30a and DWC_usb31 1.90a programming guide section 3.2.2

Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:38:19 +03:00
Fabrice Gasnier cd7cd0e6ce usb: dwc2: fix unbalanced use of external vbus-supply
When using external vbus supply regulator, it should be enabled
synchronously with PWR bit in HPRT register. This also fixes
unbalanced use of this optional regulator (This can be reproduced
easily when unbinding the driver).

Fixes: 531ef5ebea ("usb: dwc2: add support for host mode external
vbus supply")

Tested-by: Artur Petrosyan <arturp@synopsys.com>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:37:40 +03:00
Fabrice Gasnier 5aa678c7fd usb: dwc2: fix call to vbus supply exit routine, call it unlocked
dwc2_vbus_supply_exit() may call regulator_disable(). It shouldn't be
called with interrupts disabled as it might sleep.
This is seen with DEBUG_ATOMIC_SLEEP=y.

Fixes: 531ef5ebea ("usb: dwc2: add support for host mode external
vbus supply")

Tested-by: Artur Petrosyan <arturp@synopsys.com>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:37:26 +03:00
Fabrice Gasnier 41ee1ea210 usb: dwc2: fix a race with external vbus supply
There's a race with root hub resume, when using external vbus supply.
Root hub gets resumed, but runtime pm autosuspend runs as external vbus
supply isn't enabled. So, host never exit from power down properly.
Initialize vbus external supply before, rater that after hub resume.

Fixes: 531ef5ebea ("usb: dwc2: add support for host mode external
vbus supply")

Tested-by: Artur Petrosyan <arturp@synopsys.com>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:37:11 +03:00
Fabrice Gasnier e0f681c2c1 usb: dwc2: get optional vbus-supply regulator once
Move devm_regulator_get_optional() call to probe routine. This avoids
'vbus-supply' regulator to be requested lots of times, upon each call
to dwc2_vbus_supply_init(), e.g. like with runtime pm.

Fixes: 531ef5ebea ("usb: dwc2: add support for host mode external
vbus supply")

Tested-by: Artur Petrosyan <arturp@synopsys.com>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:37:01 +03:00
Arnd Bergmann 3def4031b3 usb: dwc3: add EXTCON dependency for qcom
Like the omap back-end, we get a link error with CONFIG_EXTCON=m
when building the qcom back-end into the kernel:

drivers/usb/dwc3/dwc3-qcom.o: In function `dwc3_qcom_probe':
dwc3-qcom.c:(.text+0x13dc): undefined reference to `extcon_get_edev_by_phandle'
dwc3-qcom.c:(.text+0x1b18): undefined reference to `devm_extcon_register_notifier'
dwc3-qcom.c:(.text+0x1b9c): undefined reference to `extcon_get_state'

Do the same thing as OMAP and add an explicit dependency on
EXTCON.

Fixes: a4333c3a6b ("usb: dwc3: Add Qualcomm DWC3 glue driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:33:43 +03:00
Alexandre Belloni bb80e4fa57 usb: gadget: udc: atmel: handle at91sam9rl PMC
The at91sam9rl PMC is not quite the same as the at91sam9g45 one and now has
its own compatible string. Add support for that.

Fixes: 217bace8e548 ("ARM: dts: fix PMC compatible")
Acked-by: Cristian Birsan <cristian.birsan@microchip.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:33:34 +03:00
Jia-Ju Bai 2337a77c1c usb: gadget: udc: fotg210-udc: Fix a sleep-in-atomic-context bug in fotg210_get_status()
The driver may sleep in an interrupt handler.
The function call path (from bottom to top) in Linux-4.17 is:

[FUNC] fotg210_ep_queue(GFP_KERNEL)
drivers/usb/gadget/udc/fotg210-udc.c, 744:
	fotg210_ep_queue in fotg210_get_status
drivers/usb/gadget/udc/fotg210-udc.c, 768:
	fotg210_get_status in fotg210_setup_packet
drivers/usb/gadget/udc/fotg210-udc.c, 949:
	fotg210_setup_packet in fotg210_irq (interrupt handler)

To fix this bug, GFP_KERNEL is replaced with GFP_ATOMIC.
If possible, spin_unlock() and spin_lock() around fotg210_ep_queue()
can be also removed.

This bug is found by my static analysis tool DSAC.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:33:24 +03:00
Minas Harutyunyan dccf1bad4b usb: dwc2: Disable all EP's on disconnect
Disabling all EP's allow to reset EP's to initial state.
On disconnect disable all EP's instead of just killing
all requests. Because of some platform didn't catch
disconnect event, same stuff added to
dwc2_hsotg_core_init_disconnected() function when USB
reset detected on the bus.

Changed from version 1:
Changed lock acquire flow in dwc2_hsotg_ep_disable()
function.

Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:33:15 +03:00
Marek Szyprowski 4c19cc1406 usb: dwc3: exynos: Add support for Exynos5433 variant with all clocks
DWC3 variant found in Exynos5433 SoCs requires keeping all DRD30/UHOST30
clocks enabled all the time the driver does any access to DWC3 registers,
otherwise external abort happens. So far DWC3 hardware module worked with
samsung,exynos5250-dwusb3 compatible only by luck when built into kernel:
all DRD30 clocks were left enabled by bootloader and later kept enabled
by the DRD PHY driver. However, if one tried to use Exnos DWC3 driver as
a module or performed system suspend/resume cycle, external abort
happened. This patch finally fixes this issue.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:33:01 +03:00
Marek Szyprowski 9f2168367a usb: dwc3: exynos: Rework clock handling and prepare for new variants
Add per-variant list of clocks and manage them all together in
the single array. This is a preparation for adding new variants
of Exynos SoCs. No functional changes for existing Exynos SoCs.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:31:43 +03:00
Marek Szyprowski 1e041b6f31 usb: dwc3: exynos: Remove dead code
All supported Exynos variants provide respective generic PHY framework
based drivers for controlling USB PHYs, so there is no point
creating fake USB PHYs based on platform devices. While removing useless
code, remove calls to runtime PM, which have no effect.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:31:38 +03:00
Colin Ian King 4a13b9689d usb: phy: mxs: fix spelling mistake "stardard" -> "standard"
Trivial fix to spelling mistake in dev_dbg message

Acked-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:31:23 +03:00
Nathan Chancellor a9383a6c36 usb: gadget: udc: Remove unnecessary parentheses
Clang warns when multiple pairs of parentheses are used for a single
conditional statement.

drivers/usb/gadget/udc/mv_udc_core.c:188:33: warning: equality
comparison with extraneous parentheses [-Wparentheses-equality]
        while ((curr_dqh->curr_dtd_ptr == curr_dtd->td_dma)) {
                ~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
drivers/usb/gadget/udc/mv_udc_core.c:188:33: note: remove extraneous
parentheses around the comparison to silence this warning
        while ((curr_dqh->curr_dtd_ptr == curr_dtd->td_dma)) {
               ~                       ^                  ~
drivers/usb/gadget/udc/mv_udc_core.c:188:33: note: use '=' to turn this
equality comparison into an assignment
        while ((curr_dqh->curr_dtd_ptr == curr_dtd->td_dma)) {
                                       ^~
                                       =
1 warning generated.

Link: https://github.com/ClangBuiltLinux/linux/issues/120
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:30:07 +03:00
Josh Abraham 971a0d4e1b usb: dwc2: remove set but unused variable
This patch removes a set but unused variable in hcd.c.

Fixes gcc warning:
variable ‘data_fifo’ set but not used [-Wunused-but-set-variable]

Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Joshua Abraham <j.abraham1776@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:29:42 +03:00
Yoshihiro Shimoda 4018aa9b57 Revert "usb: renesas_usbhs: add extcon notifier to set mode for non-otg channel"
This reverts commit 8ada211d03.

R-Car D3 can use OTG mode in fact. So, the commit doesn't need anymore.
In other words, like other R-Car Gen3 SoCs, R-Car D3 can change the mode
by using the phy-rcar-gen3-usb2 driver.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:29:01 +03:00
Colin Ian King bf3854aaa7 usb: gadget: fix spelling mistakeis "[En]queing" -> "[En]queuing"
Trivial fix to spelling mistakes in debug warning messages

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2018-10-02 10:28:08 +03:00
Felipe Balbi 755801cb9f UVC gadget updates for v4.20
- configfs cleanups, fixes and extensions
 - Endianness fixes
 - Miscellaneous cleanups
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Merge tag 'uvcg-20180925' of git://linuxtv.org/pinchartl/media into testing/next

UVC gadget updates for v4.20

- configfs cleanups, fixes and extensions
- Endianness fixes
- Miscellaneous cleanups
2018-10-02 10:26:43 +03:00
Greg Kroah-Hartman 17b57b1883 Linux 4.19-rc6 2018-09-30 07:15:35 -07:00
Greg Kroah-Hartman 9a10b06375 A trivial fix for auxdisplay
- MAINTAINERS reference fix for moved file
     Reported by Joe Perches
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Merge tag 'auxdisplay-for-greg-v4.19-rc6' of https://github.com/ojeda/linux

Miguel writes:
  "A trivial fix for auxdisplay

    - MAINTAINERS reference fix for moved file
      Reported by Joe Perches"

* tag 'auxdisplay-for-greg-v4.19-rc6' of https://github.com/ojeda/linux:
  MAINTAINERS: fix reference to moved drivers/{misc => auxdisplay}/panel.c
2018-09-30 06:20:33 -07:00
Greg Kroah-Hartman 9ba6873e16 filesystem-dax for 4.19-rc6
Fix a deadlock in the new for 4.19 dax_lock_mapping_entry() routine.
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Merge tag 'libnvdimm-fixes2-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Dan writes:
  "filesystem-dax for 4.19-rc6

   Fix a deadlock in the new for 4.19 dax_lock_mapping_entry() routine."

* tag 'libnvdimm-fixes2-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  dax: Fix deadlock in dax_lock_mapping_entry()
2018-09-30 06:19:38 -07:00
Miguel Ojeda 03d179a840 MAINTAINERS: fix reference to moved drivers/{misc => auxdisplay}/panel.c
Commit 51c1e9b554 ("auxdisplay: Move panel.c to drivers/auxdisplay folder")
moved the file, but the MAINTAINERS reference was not updated.

Link: https://lore.kernel.org/lkml/20180928220131.31075-1-joe@perches.com/
Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Miguel Ojeda <miguel.ojeda.sandonis@gmail.com>
2018-09-30 13:50:05 +02:00
Greg Kroah-Hartman 291d0e5d81 for-linus-20180929
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Merge tag 'for-linus-20180929' of git://git.kernel.dk/linux-block

Jens writes:
  "Block fixes for 4.19-rc6

   A set of fixes that should go into this release. This pull request
   contains:

   - A fix (hopefully) for the persistent grants for xen-blkfront. A
     previous fix from this series wasn't complete, hence reverted, and
     this one should hopefully be it. (Boris Ostrovsky)

   - Fix for an elevator drain warning with SMR devices, which is
     triggered when you switch schedulers (Damien)

   - bcache deadlock fix (Guoju Fang)

   - Fix for the block unplug tracepoint, which has had the
     timer/explicit flag reverted since 4.11 (Ilya)

   - Fix a regression in this series where the blk-mq timeout hook is
     invoked with the RCU read lock held, hence preventing it from
     blocking (Keith)

   - NVMe pull from Christoph, with a single multipath fix (Susobhan Dey)"

* tag 'for-linus-20180929' of git://git.kernel.dk/linux-block:
  xen/blkfront: correct purging of persistent grants
  Revert "xen/blkfront: When purging persistent grants, keep them in the buffer"
  blk-mq: I/O and timer unplugs are inverted in blktrace
  bcache: add separate workqueue for journal_write to avoid deadlock
  xen/blkfront: When purging persistent grants, keep them in the buffer
  block: fix deadline elevator drain for zoned block devices
  blk-mq: Allow blocking queue tag iter callbacks
  nvme: properly propagate errors in nvme_mpath_init
2018-09-29 14:52:14 -07:00
Greg Kroah-Hartman e75417739b Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Thomas writes:
  "A single fix for the AMD memory encryption boot code so it does not
   read random garbage instead of the cached encryption bit when a kexec
   kernel is allocated above the 32bit address limit."

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/boot: Fix kexec booting failure in the SEV bit detection code
2018-09-29 14:34:06 -07:00
Greg Kroah-Hartman e1ce697db6 Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Thomas writes:
  "Three small fixes for clocksource drivers:
   - Proper error handling in the Atmel PIT driver
   - Add CLOCK_SOURCE_SUSPEND_NONSTOP for TI SoCs so suspend works again
   - Fix the next event function for Facebook Backpack-CMM BMC chips so
     usleep(100) doesnt sleep several milliseconds"

* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  clocksource/drivers/timer-atmel-pit: Properly handle error cases
  clocksource/drivers/fttmr010: Fix set_next_event handler
  clocksource/drivers/ti-32k: Add CLOCK_SOURCE_SUSPEND_NONSTOP flag for non-am43 SoCs
2018-09-29 14:32:49 -07:00
Greg Kroah-Hartman af17b3aa1f Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Thomas writes:
  "A single fix for a missing sanity check when a pinned event is tried
  to be read on the wrong CPU due to a legit event scheduling failure."

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/core: Add sanity check to deal with pinned event failure
2018-09-29 11:32:03 -07:00
Greg Kroah-Hartman 82ec752cce Power management fix for 4.19-rc6
Fix incorrect __init and __exit annotations in the Qualcomm
 Kryo cpufreq driver (Nathan Chancellor).
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Merge tag 'pm-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Rafael writes:
  "Power management fix for 4.19-rc6

   Fix incorrect __init and __exit annotations in the Qualcomm
   Kryo cpufreq driver (Nathan Chancellor)."

* tag 'pm-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: qcom-kryo: Fix section annotations
2018-09-29 06:50:36 -07:00
Nathan Chancellor d51aea13dd cpufreq: qcom-kryo: Fix section annotations
There is currently a warning when building the Kryo cpufreq driver into
the kernel image:

WARNING: vmlinux.o(.text+0x8aa424): Section mismatch in reference from
the function qcom_cpufreq_kryo_probe() to the function
.init.text:qcom_cpufreq_kryo_get_msm_id()
The function qcom_cpufreq_kryo_probe() references
the function __init qcom_cpufreq_kryo_get_msm_id().
This is often because qcom_cpufreq_kryo_probe lacks a __init
annotation or the annotation of qcom_cpufreq_kryo_get_msm_id is wrong.

Remove the '__init' annotation from qcom_cpufreq_kryo_get_msm_id
so that there is no more mismatch warning.

Additionally, Nick noticed that the remove function was marked as
'__init' when it should really be marked as '__exit'.

Fixes: 46e2856b8e (cpufreq: Add Kryo CPU scaling driver)
Fixes: 5ad7346b4a (cpufreq: kryo: Add module remove and exit)
Reported-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: 4.18+ <stable@vger.kernel.org> # 4.18+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-09-29 15:01:10 +02:00
Greg Kroah-Hartman 7a6878bb4e fix a missing Kconfig symbol for commits introduced in 4.19-rc
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Merge tag 'dma-mapping-4.19-3' of git://git.infradead.org/users/hch/dma-mapping

Christoph writes:
  "dma mapping fix for 4.19-rc6

   fix a missing Kconfig symbol for commits introduced in 4.19-rc"

* tag 'dma-mapping-4.19-3' of git://git.infradead.org/users/hch/dma-mapping:
  dma-mapping: add the missing ARCH_HAS_SYNC_DMA_FOR_CPU_ALL declaration
2018-09-29 02:52:24 -07:00
Greg Kroah-Hartman e704966c45 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Dmitry writes:
  "Input updates for v4.19-rc5

   Just a few driver fixes"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: uinput - allow for max == min during input_absinfo validation
  Input: elantech - enable middle button of touchpad on ThinkPad P72
  Input: atakbd - fix Atari CapsLock behaviour
  Input: atakbd - fix Atari keymap
  Input: egalax_ts - add system wakeup support
  Input: gpio-keys - fix a documentation index issue
2018-09-28 18:04:50 -07:00
Greg Kroah-Hartman 2f19e7a7e6 spi: Fixes for v4.19
Quite a few fixes for the Renesas drivers in here, plus a fix for the
 Tegra driver and some documentation fixes for the recently added spi-mem
 code.  The Tegra fix is relatively large but fairly straightforward and
 mechanical, it runs on probe so it's been reasonably well covered in
 -next testing.
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Merge tag 'spi-fix-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Mark writes:
  "spi: Fixes for v4.19

   Quite a few fixes for the Renesas drivers in here, plus a fix for the
   Tegra driver and some documentation fixes for the recently added
   spi-mem code.  The Tegra fix is relatively large but fairly
   straightforward and mechanical, it runs on probe so it's been
   reasonably well covered in -next testing."

* tag 'spi-fix-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: spi-mem: Move the DMA-able constraint doc to the kerneldoc header
  spi: spi-mem: Add missing description for data.nbytes field
  spi: rspi: Fix interrupted DMA transfers
  spi: rspi: Fix invalid SPI use during system suspend
  spi: sh-msiof: Fix handling of write value for SISTR register
  spi: sh-msiof: Fix invalid SPI use during system suspend
  spi: gpio: Fix copy-and-paste error
  spi: tegra20-slink: explicitly enable/disable clock
2018-09-28 18:04:06 -07:00
Greg Kroah-Hartman 8f0566118e regulator: Fixes for 4.19
A collection of fairly minor bug fixes here, a couple of driver specific
 ones plus two core fixes.  There's one fix for the new suspend state
 code which fixes some confusion with constant values that are supposed
 to indicate noop operation and another fixing a race condition with the
 creation of sysfs files on new regulators.
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Merge tag 'regulator-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Mark writes:
  "regulator: Fixes for 4.19

   A collection of fairly minor bug fixes here, a couple of driver
   specific ones plus two core fixes.  There's one fix for the new
   suspend state code which fixes some confusion with constant values
   that are supposed to indicate noop operation and another fixing a
   race condition with the creation of sysfs files on new regulators."

* tag 'regulator-v4.19-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: fix crash caused by null driver data
  regulator: Fix 'do-nothing' value for regulators without suspend state
  regulator: da9063: fix DT probing with constraints
  regulator: bd71837: Disable voltage monitoring for LDO3/4
2018-09-28 18:02:25 -07:00
Greg Kroah-Hartman f005de0183 powerpc fixes for 4.19 #3
A reasonably big batch of fixes due to me being away for a few weeks.
 
 A fix for the TM emulation support on Power9, which could result in corrupting
 the guest r11 when running under KVM.
 
 Two fixes to the TM code which could lead to userspace GPR corruption if we take
 an SLB miss at exactly the wrong time.
 
 Our dynamic patching code had a bug that meant we could patch freed __init text,
 which could lead to corrupting userspace memory.
 
 csum_ipv6_magic() didn't work on little endian platforms since we optimised it
 recently.
 
 A fix for an endian bug when reading a device tree property telling us how many
 storage keys the machine has available.
 
 Fix a crash seen on some configurations of PowerVM when migrating the partition
 from one machine to another.
 
 A fix for a regression in the setup of our CPU to NUMA node mapping in KVM
 guests.
 
 A fix to our selftest Makefiles to make them work since a recent change to the
 shared Makefile logic.
 
 Thanks to:
   Alexey Kardashevskiy, Breno Leitao, Christophe Leroy, Michael Bringmann,
   Michael Neuling, Nicholas Piggin, Paul Mackerras,, Srikar Dronamraju, Thiago
   Jung Bauermann, Xin Long.
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Merge tag 'powerpc-4.19-3' of https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Michael writes:
  "powerpc fixes for 4.19 #3

   A reasonably big batch of fixes due to me being away for a few weeks.

   A fix for the TM emulation support on Power9, which could result in
   corrupting the guest r11 when running under KVM.

   Two fixes to the TM code which could lead to userspace GPR corruption
   if we take an SLB miss at exactly the wrong time.

   Our dynamic patching code had a bug that meant we could patch freed
   __init text, which could lead to corrupting userspace memory.

   csum_ipv6_magic() didn't work on little endian platforms since we
   optimised it recently.

   A fix for an endian bug when reading a device tree property telling
   us how many storage keys the machine has available.

   Fix a crash seen on some configurations of PowerVM when migrating the
   partition from one machine to another.

   A fix for a regression in the setup of our CPU to NUMA node mapping
   in KVM guests.

   A fix to our selftest Makefiles to make them work since a recent
   change to the shared Makefile logic."

* tag 'powerpc-4.19-3' of https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  selftests/powerpc: Fix Makefiles for headers_install change
  powerpc/numa: Use associativity if VPHN hcall is successful
  powerpc/tm: Avoid possible userspace r1 corruption on reclaim
  powerpc/tm: Fix userspace r13 corruption
  powerpc/pseries: Fix unitialized timer reset on migration
  powerpc/pkeys: Fix reading of ibm, processor-storage-keys property
  powerpc: fix csum_ipv6_magic() on little endian platforms
  powerpc/powernv/ioda2: Reduce upper limit for DMA window size (again)
  powerpc: Avoid code patching freed init sections
  KVM: PPC: Book3S HV: Fix guest r11 corruption with POWER9 TM workarounds
2018-09-28 17:43:32 -07:00
Greg Kroah-Hartman 900915f903 Pin control fixes for v4.19:
- Fixes to x86 hardware:
 - AMD interrupt debounce issues
 - Faulty Intel cannonlake register offset
 - Revert pin translation IRQ locking
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Merge tag 'pinctrl-v4.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Linus writes:
  "Pin control fixes for v4.19:
   - Fixes to x86 hardware:
   - AMD interrupt debounce issues
   - Faulty Intel cannonlake register offset
   - Revert pin translation IRQ locking"

* tag 'pinctrl-v4.19-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  Revert "pinctrl: intel: Do pin translation when lock IRQ"
  pinctrl: cannonlake: Fix HOSTSW_OWN register offset of H variant
  pinctrl/amd: poll InterruptEnable bits in amd_gpio_irq_set_type
2018-09-28 17:42:44 -07:00
Reinette Chatre befb1b3c27 perf/core: Add sanity check to deal with pinned event failure
It is possible that a failure can occur during the scheduling of a
pinned event. The initial portion of perf_event_read_local() contains
the various error checks an event should pass before it can be
considered valid. Ensure that the potential scheduling failure
of a pinned event is checked for and have a credible error.

Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: fenghua.yu@intel.com
Cc: tony.luck@intel.com
Cc: acme@kernel.org
Cc: gavin.hindman@intel.com
Cc: jithu.joseph@intel.com
Cc: dave.hansen@intel.com
Cc: hpa@zytor.com
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/6486385d1f30336e9973b24c8c65f5079543d3d3.1537377064.git.reinette.chatre@intel.com
2018-09-28 22:44:53 +02:00
Greg Kroah-Hartman f151f57bfd amd, etnaviv, mali_dp, syncobj and panel fixes
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Merge tag 'drm-fixes-2018-09-28' of git://anongit.freedesktop.org/drm/drm

Dave writes:
  "drm fixes for 4.19-rc6

   Looks like a pretty normal week for graphics,

   core: syncobj fix, panel link regression revert
   amd: suspend/resume fixes, EDID emulation fix
   mali-dp: NV12 writeback and vblank reset fixes
   etnaviv: DMA setup fix"

* tag 'drm-fixes-2018-09-28' of git://anongit.freedesktop.org/drm/drm:
  drm/amd/display: Fix Edid emulation for linux
  drm/amd/display: Fix Vega10 lightup on S3 resume
  drm/amdgpu: Fix vce work queue was not cancelled when suspend
  Revert "drm/panel: Add device_link from panel device to DRM device"
  drm/syncobj: Don't leak fences when WAIT_FOR_SUBMIT is set
  drm/malidp: Fix writeback in NV12
  drm: mali-dp: Call drm_crtc_vblank_reset on device init
  drm/etnaviv: add DMA configuration for etnaviv platform device
2018-09-28 18:55:17 +02:00
Greg Kroah-Hartman ed1b3f4c4f A Single RISC-V Update for 4.19-rc6
The Debian guys have been pushing on our port and found some unversioned
 symbols leaking into modules.  This PR contains a single fix for that
 issue.
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Merge tag 'riscv-for-linus-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux

Palmer writes:
  "A Single RISC-V Update for 4.19-rc6

   The Debian guys have been pushing on our port and found some
   unversioned symbols leaking into modules.  This PR contains a single
   fix for that issue."

* tag 'riscv-for-linus-4.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux:
  RISC-V: include linux/ftrace.h in asm-prototypes.h
2018-09-28 18:53:22 +02:00
Greg Kroah-Hartman 278e59a007 pci-v4.19-fixes-2
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Merge tag 'pci-v4.19-fixes-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Bjorn writes:
  "PCI fixes:

  - Fix ACPI hotplug issue that causes black screen crash at boot (Mika
    Westerberg)

  - Fix DesignWare "scheduling while atomic" issues (Jisheng Zhang)

  - Add PPC contacts to MAINTAINERS for PCI core error handling (Bjorn
    Helgaas)

  - Sort Mobiveil MAINTAINERS entry (Lorenzo Pieralisi)"

* tag 'pci-v4.19-fixes-2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  ACPI / hotplug / PCI: Don't scan for non-hotplug bridges if slot is not bridge
  PCI: dwc: Fix scheduling while atomic issues
  MAINTAINERS: Move mobiveil PCI driver entry where it belongs
  MAINTAINERS: Update PPC contacts for PCI core error handling
2018-09-28 18:20:41 +02:00
Jens Axboe 133424a207 Merge branch 'nvme-4.19' of git://git.infradead.org/nvme into for-linus
Pull NVMe fix from Christoph.

* 'nvme-4.19' of git://git.infradead.org/nvme:
  nvme: properly propagate errors in nvme_mpath_init
2018-09-28 09:41:40 -06:00
Juergen Gross 6c76786740 xen/blkfront: correct purging of persistent grants
Commit a46b53672b ("xen/blkfront: cleanup
stale persistent grants") introduced a regression as purged persistent
grants were not pu into the list of free grants again. Correct that.

Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-09-28 09:40:39 -06:00
Jens Axboe 15c2068876 Revert "xen/blkfront: When purging persistent grants, keep them in the buffer"
Fix didn't work for all cases, reverting to add a (hopefully)
better fix.

This reverts commit f151ba989d.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-09-28 09:40:17 -06:00
Michael Ellerman 7e0cf1c983 selftests/powerpc: Fix Makefiles for headers_install change
Commit b2d35fa5fc ("selftests: add headers_install to lib.mk")
introduced a requirement that Makefiles more than one level below the
selftests directory need to define top_srcdir, but it didn't update
any of the powerpc Makefiles.

This broke building all the powerpc selftests with eg:

  make[1]: Entering directory '/src/linux/tools/testing/selftests/powerpc'
  BUILD_TARGET=/src/linux/tools/testing/selftests/powerpc/alignment; mkdir -p $BUILD_TARGET; make OUTPUT=$BUILD_TARGET -k -C alignment all
  make[2]: Entering directory '/src/linux/tools/testing/selftests/powerpc/alignment'
  ../../lib.mk:20: ../../../../scripts/subarch.include: No such file or directory
  make[2]: *** No rule to make target '../../../../scripts/subarch.include'.
  make[2]: Failed to remake makefile '../../../../scripts/subarch.include'.
  Makefile:38: recipe for target 'alignment' failed

Fix it by setting top_srcdir in the affected Makefiles.

Fixes: b2d35fa5fc ("selftests: add headers_install to lib.mk")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-09-28 15:07:45 +10:00