Commit Graph

781771 Commits

Author SHA1 Message Date
Sudarsana Reddy Kalluru
25c020a909 qed: Correct Multicast API to reflect existence of 256 approximate buckets.
FW hsi contains 256 approximation buckets which are split in ramrod into
eight u32 values, but driver is using eight 'unsigned long' variables.

This patch fixes the mcast logic by making the API utilize u32.

Fixes: 83aeb933 ("qed*: Trivial modifications")
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-21 16:19:04 -07:00
Sudarsana Reddy Kalluru
58874c7b24 qed: Fix possible race for the link state value.
There's a possible race where driver can read link status in mid-transition
and see that virtual-link is up yet speed is 0. Since in this
mid-transition we're guaranteed to see a mailbox from MFW soon, we can
afford to treat this as link down.

Fixes: cc875c2e ("qed: Add link support")
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-21 16:19:04 -07:00
Sudarsana Reddy Kalluru
4ad95a93a7 qed: Fix link flap issue due to mismatching EEE capabilities.
Apparently, MFW publishes EEE capabilities even for Fiber-boards that don't
support them, and later since qed internally sets adv_caps it would cause
link-flap avoidance (LFA) to fail when driver would initiate the link.
This in turn delays the link, causing traffic to fail.

Driver has been modified to not to ask MFW for any EEE config if EEE isn't
to be enabled.

Fixes: 645874e5 ("qed: Add support for Energy efficient ethernet.")
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-21 16:19:04 -07:00
Gustavo A. R. Silva
baa2d2b17e net: sched: use PTR_ERR_OR_ZERO macro in tcf_block_cb_register
This line makes up what macro PTR_ERR_OR_ZERO already does. So,
make use of PTR_ERR_OR_ZERO rather than an open-code version.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-21 16:17:08 -07:00
YueHaibing
64119e05f7 net: caif: Add a missing rcu_read_unlock() in caif_flow_cb
Add a missing rcu_read_unlock in the error path

Fixes: c95567c80352 ("caif: added check for potential null return")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-07-21 16:14:39 -07:00
Linus Torvalds
490fc05386 mm: make vm_area_alloc() initialize core fields
Like vm_area_dup(), it initializes the anon_vma_chain head, and the
basic mm pointer.

The rest of the fields end up being different for different users,
although the plan is to also initialize the 'vm_ops' field to a dummy
entry.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-21 15:24:03 -07:00
Olof Johansson
94dee3861f TI AM654 support for v4.19 merge window
This branch adds initial support for new Texas Instruments AM654
 quad core A53 ARMv8 SoC. It's the first device for TI K3 multicore SoC
 architecture.
 
 Initially only basic devices are configured, support for more devices
 will follow later on. And many of the internal devices familiar from
 earlier TI SoCs should work with existing kernel device drivers.
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Merge tag 'am654-for-v4.19-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

TI AM654 support for v4.19 merge window

This branch adds initial support for new Texas Instruments AM654
quad core A53 ARMv8 SoC. It's the first device for TI K3 multicore SoC
architecture.

Initially only basic devices are configured, support for more devices
will follow later on. And many of the internal devices familiar from
earlier TI SoCs should work with existing kernel device drivers.

* tag 'am654-for-v4.19-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  arm64: dts: ti: Add support for AM654 EVM base board
  soc: ti: Add Support for AM654 SoC config option
  arm64: dts: ti: Add Support for AM654 SoC
  arm64: Add support for TI's K3 Multicore SoC architecture
  dt-bindings: arm: ti: Add bindings for AM654 SoC

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 15:06:03 -07:00
Olof Johansson
1df88c683e i.MX drivers update for 4.19:
- Handle i.MX6SL chip errata ERR006287 in the safest possible way by
    keeping the DISP domain always-on, because Upon resuming from power
    gating, the modules in the display power domain (eLCDIF, EPDC, PXP
    and SPDC) might fail to perform register reads correctly.
  - Use GENPD_FLAG_ALWAYS_ON flag for i.MX6QP PU ERR009619 handling.
    It is functionally identical to the exsiting implementation but
    simpler and slightly faster.
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Merge tag 'imx-drivers-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers

i.MX drivers update for 4.19:
 - Handle i.MX6SL chip errata ERR006287 in the safest possible way by
   keeping the DISP domain always-on, because Upon resuming from power
   gating, the modules in the display power domain (eLCDIF, EPDC, PXP
   and SPDC) might fail to perform register reads correctly.
 - Use GENPD_FLAG_ALWAYS_ON flag for i.MX6QP PU ERR009619 handling.
   It is functionally identical to the exsiting implementation but
   simpler and slightly faster.

* tag 'imx-drivers-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata
  soc: imx: gpc: Disable 6sl display power gating for ERR006287

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 15:05:16 -07:00
Olof Johansson
85a03fe92c Reset controller changes for v4.19
This adds new drivers and bindings for the SDM845 AOSS (always on
 subsystem) reset controller and for the Uniphier USB3 core reset.
 SPI controller resets are added to the Uniphier reset driver.
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Merge tag 'reset-for-4.19' of git://git.pengutronix.de/git/pza/linux into next/drivers

Reset controller changes for v4.19

This adds new drivers and bindings for the SDM845 AOSS (always on
subsystem) reset controller and for the Uniphier USB3 core reset.
SPI controller resets are added to the Uniphier reset driver.

* tag 'reset-for-4.19' of git://git.pengutronix.de/git/pza/linux:
  reset: uniphier: add reset control support for SPI
  reset: uniphier: add USB3 core reset control
  dt-bindings: reset: uniphier: add USB3 core reset support
  reset: simple: export reset_simple_ops to be referred from modules
  reset: qcom: AOSS (always on subsystem) reset controller
  dt-bindings: reset: Add AOSS reset bindings for SDM845 SoCs

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 15:05:03 -07:00
Olof Johansson
fb5c81931a Renesas ARM64 Based SoC Defconfig Updates for v4.19
* Enable BD9571MWV regulator in ARM64 defconfig
 
   This is to allow wider testing of the BD9571 PMIC which is
   present on boards with Renesas R-Car Gen3 SoCs
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Merge tag 'renesas-arm64-defconfig-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/defconfig

Renesas ARM64 Based SoC Defconfig Updates for v4.19

* Enable BD9571MWV regulator in ARM64 defconfig

  This is to allow wider testing of the BD9571 PMIC which is
  present on boards with Renesas R-Car Gen3 SoCs

* tag 'renesas-arm64-defconfig-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  arm64: defconfig: Enable BD9571MWV regulator

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:58:40 -07:00
Olof Johansson
f19446ca1f i.MX defconfig update for 4.19:
- Enable ISL29018 sensor and MMA8452 accelerometer driver support for
    imx6qdl-sabreauto board.
  - Enable DMATEST support which is useful for DMA driver development
    testing.
  - Use the DRM driver for MXSFB LCD controller found on i.MX23, i.MX28,
    i.MX6SX and i.MX7 SoCs.
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Merge tag 'imx-defconfig-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/defconfig

i.MX defconfig update for 4.19:
 - Enable ISL29018 sensor and MMA8452 accelerometer driver support for
   imx6qdl-sabreauto board.
 - Enable DMATEST support which is useful for DMA driver development
   testing.
 - Use the DRM driver for MXSFB LCD controller found on i.MX23, i.MX28,
   i.MX6SX and i.MX7 SoCs.

* tag 'imx-defconfig-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx_v6_v7_defconfig: add DMATEST support
  ARM: imx_v6_v7_defconfig: use MXSFB DRM driver
  ARM: mxs_defconfig: use MXSFB DRM driver
  ARM: imx_v6_v7_defconfig: Enable imx6qdl-sabreauto sensors

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:57:14 -07:00
Olof Johansson
f156d3a0b8 Freescale arm64 device tree update for 4.19:
- Update device tree sources to use SPDX identifiers for license.
  - Add cooling device property '#cooling-cells' for all CPUs of
    a cluster.
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Merge tag 'imx-dt64-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

Freescale arm64 device tree update for 4.19:
 - Update device tree sources to use SPDX identifiers for license.
 - Add cooling device property '#cooling-cells' for all CPUs of
   a cluster.

* tag 'imx-dt64-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: freescale: Add missing cooling device properties for CPUs
  arm64: dts: freescale: Update to use SPDX identifiers

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:56:39 -07:00
Olof Johansson
278b1c8e08 i.MX device tree update for 4.19:
- Add device tree support for i.MX6SLL SoC.
  - New board support: ConnectCore 6UL System-On-Module and SBC Express;
    ZII SCU2 Mezz, SCU3 ESB, SSMB SPU3 and CFU1 board; i.MX6SLL EVK
    board; Engicam i.CoreM6 1.5 Quad/Dual MIPI; LogicPD MX31Lite board;
    i.MX53 HSC/DDC boards from K+P.
  - Remove fake regulator bus container node and enable USB OTG support
    for i.MX6 wandboard and riotboard.
  - Populate RAVE SP EEPROM, backlight, power button and watchdog devices
    for ZII boards.
  - Add cooling-cells for cpufreq cooling device, and add OPP properties
    for all CPUs.
  - A series from Anson Huang to enable LCD panel and backlight support
    for imx6sll-evk board.
  - Make pfuze100 sw4 regulator always-on for for a few Freescale/NXP
    development boards, because the regulator is critical there and
    cannot be turned off.
  - Add more device support for i.MX5: AIPSTZ, SAHARA Crypto, M4IF,
    Tigerp, PMU, CodaHx4 VPU.
  - Enable PMU secure-reg-access for imx51-babbage, imx51-zii-rdu1 and
    imx53-ppd board.
  - Switch more device tree license to use SPDX identifier.
  - Switch to use OF graph to describe the display for imx7d-nitrogen7.
  - Add chosen/stdout-path for more boards, so that earlycon can be
    enabled more easily on kernel cmdline.
  - Convert GPC to new device tree bindings and add Vivante gpu nodes
    for i.MX6SL SoC.
  - Add more device support for imx6dl-mamoj board: parallel display,
    WiFi and USB.
  - A series from Stefan Agner to update i.MX6 apalis/colibri boards on
    various aspects: SD/MMC card detection, regulators, etc.
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Merge tag 'imx-dt-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

i.MX device tree update for 4.19:
 - Add device tree support for i.MX6SLL SoC.
 - New board support: ConnectCore 6UL System-On-Module and SBC Express;
   ZII SCU2 Mezz, SCU3 ESB, SSMB SPU3 and CFU1 board; i.MX6SLL EVK
   board; Engicam i.CoreM6 1.5 Quad/Dual MIPI; LogicPD MX31Lite board;
   i.MX53 HSC/DDC boards from K+P.
 - Remove fake regulator bus container node and enable USB OTG support
   for i.MX6 wandboard and riotboard.
 - Populate RAVE SP EEPROM, backlight, power button and watchdog devices
   for ZII boards.
 - Add cooling-cells for cpufreq cooling device, and add OPP properties
   for all CPUs.
 - A series from Anson Huang to enable LCD panel and backlight support
   for imx6sll-evk board.
 - Make pfuze100 sw4 regulator always-on for for a few Freescale/NXP
   development boards, because the regulator is critical there and
   cannot be turned off.
 - Add more device support for i.MX5: AIPSTZ, SAHARA Crypto, M4IF,
   Tigerp, PMU, CodaHx4 VPU.
 - Enable PMU secure-reg-access for imx51-babbage, imx51-zii-rdu1 and
   imx53-ppd board.
 - Switch more device tree license to use SPDX identifier.
 - Switch to use OF graph to describe the display for imx7d-nitrogen7.
 - Add chosen/stdout-path for more boards, so that earlycon can be
   enabled more easily on kernel cmdline.
 - Convert GPC to new device tree bindings and add Vivante gpu nodes
   for i.MX6SL SoC.
 - Add more device support for imx6dl-mamoj board: parallel display,
   WiFi and USB.
 - A series from Stefan Agner to update i.MX6 apalis/colibri boards on
   various aspects: SD/MMC card detection, regulators, etc.

* tag 'imx-dt-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (96 commits)
  ARM: dts: imx7d: remove "operating-points" property for cpu1
  ARM: dts: vf610-zii-ssmb-spu3: Fix W=1 level warnings
  ARM: dts: vf610: Add ZII CFU1 board
  ARM: dts: imx6dl-mamoj: Add usb host and device support
  ARM: dts: imx6dl-mamoj: Add Wifi support
  ARM: dts: imx6dl-mamoj: Add parallel display support
  ARM: dts: vf610: Add ZII SSMB SPU3 board
  ARM: dts: imx6ul-pico-hobbit: Do not hardcode the memory size
  ARM: dts: imx6sl-evk: make pfuze100 sw4 always on
  ARM: dts: imx6sll-evk: make pfuze100 sw4 always on
  ARM: dts: imx6sx-sdb-reva: make pfuze100 sw4 always on
  ARM: dts: imx6qdl-sabresd: make pfuze100 sw4 always on
  ARM: dts: imx6sl-evk: add missing GPIO iomux setting
  ARM: dts: imx51-zii-scu3-esb: Fix RAVE SP watchdog compatible string
  ARM: dts: imx51-zii-scu3-esb: Add switch IRQ line pinumx config
  ARM: dts: imx6sx-nitrogen6sx: remove obsolete display configuration
  ARM: dts: imx7d-nitrogen7: use OF graph to describe the display
  ARM: dts: imx: Switch Boundary Devices boards to SPDX identifier
  ARM: dts: imx6sl: Add vivante gpu nodes
  ARM: dts: imx6sll-evk: enable SEIKO 43WVF1G lcdif panel
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:55:45 -07:00
Olof Johansson
3c34a84544 i.MX device tree changes with clock dependency:
- Add clock for i.MX6UL GPIO blocks
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Merge tag 'imx-dt-clkdep-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

i.MX device tree changes with clock dependency:
 - Add clock for i.MX6UL GPIO blocks

* tag 'imx-dt-clkdep-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx6ul: add GPIO clocks
  clk: imx6ul: remove clks_init_on array
  clk: imx6ul: add GPIO clock gates
  dt-bindings: clock: imx6ul: Do not change the clock definition order

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:54:42 -07:00
Olof Johansson
88657e9012 Amlogic 64-bit DT updates for v4.19
- new SoC: S805x
 - new board: S805x-based P241 board from Amlogic
 - AXG: add ADC support w/buttons, add pins for PDM, SPDIF
 - AXG: s400 board: preliminary support for audio
 - GX: nanopi-k2: add HDMI, CEC, CVBS support
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Merge tag 'amlogic-dt64-1' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/dt

Amlogic 64-bit DT updates for v4.19
- new SoC: S805x
- new board: S805x-based P241 board from Amlogic
- AXG: add ADC support w/buttons, add pins for PDM, SPDIF
- AXG: s400 board: preliminary support for audio
- GX: nanopi-k2: add HDMI, CEC, CVBS support

* tag 'amlogic-dt64-1' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM64: dts: meson-axg: add pdm pins
  ARM64: dts: meson-axg: add spdif input pins
  ARM64: dts: meson-axg: remove spdif out from gpio a7
  ARM64: dts: meson-axg: add adc buttons the S400
  ARM64: dts: meson-axg: remove vddio_ao18 from SoC dtsi
  ARM64: dts: meson-axg: add saradc support
  ARM64: dts: add S805X based P241 board
  dt-bindings: amlogic: Add support for GXL S805X and the P241 board
  ARM64: dts: amlogic: Add missing cooling device properties for CPUs
  ARM64: dts: meson-axg: add spdif output pins
  ARM64: dts: meson-axg: add s400 speaker amplifier
  ARM64: dts: meson-axg: add s400 main 12v supply
  ARM64: dts: meson-axg: add s400 microphone card leds
  ARM64: dts: meson-gxbb-nanopi-k2: Add HDMI, CEC and CVBS nodes
  ARM64: dts: meson-gx-p23x-q20x: move the wifi node to each board's .dts
  ARM64: dts: meson: enable the saradc node in meson-gx-p23x-q20x.dtsi

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:49:25 -07:00
Olof Johansson
2ec4689238 Renesas ARM Based SoC DT Bindings Updates for v4.19
Bindings relating to initial support for RZ/N1D (R9A06G032) SoC and its
 RZN1D-DB board:
 
 * Add Renesas R9A06G032 SMP enable method
 
   To be used to enable second CA7 CPU
 
 * Document SoC and Board bindings
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Merge tag 'renesas-dt-bindings-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt

Renesas ARM Based SoC DT Bindings Updates for v4.19

Bindings relating to initial support for RZ/N1D (R9A06G032) SoC and its
RZN1D-DB board:

* Add Renesas R9A06G032 SMP enable method
* Document SoC and Board bindings

* tag 'renesas-dt-bindings-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  dt-bindings: cpu: Add Renesas R9A06G032 SMP enable method.
  dt-bindings: arm: Document the RZN1D-DB board

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:49:10 -07:00
Linus Torvalds
95faf6992d mm: make vm_area_dup() actually copy the old vma data
.. and re-initialize th eanon_vma_chain head.

This removes some boiler-plate from the users, and also makes it clear
why it didn't need use the 'zalloc()' version.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-21 14:48:45 -07:00
Olof Johansson
1bf9350460 Second Round of Renesas ARM64 Based SoC DT Updates for v4.19
Corrections:
 
 * Remove non-existing STBE region from Ether-AVB node in DT of
   R-Car E3 (r8a77990) SoC
 
   This region does not exist on this SoC
 
 Cleanups:
 
 * Consistently use rwdt as label for Renesas Watchdog Timer devices
 
 * Add second port to rcar_sound placeholder in DT of R-Car M3-N (r8a77965) SoC
 
   Nodes with #address-cells/#size-cells should have more than one child node
 
 * Fix adv7482 decimal unit addresses in DT of Salvator-X and -XS boards
 
   Addresses are assumed to be hex by dtc, thus it is not valid to use
   decimal
 
 Enhancements:
 
 * Describe in DT:
   - INTC-EX of R-Car V3H (r8a77980) SoC
   - USB3.0 of R-Car E3 (r8a77980) SoC
   - All SCIF and HSCIF devices of R-Car D3 (r8a77995) SoC.
     Previously only SCIF2, used as the debug consile, was described.
   - All IPMMU devicesof R-Car M3-N (r8a77965), V3H (r8a77980) and
     E3 (r8a77990) SoCs
 
 * Enable USB3.0 in DT of R-Car E3 (r8a77980) based Ebisu board
 
 * Prefer HSCIF1 over SCIF1 in DT of Salvator-X and -XS boards
 
   HSCIF is superior to SCIF (larger FIFOs, more accurate and wider
   supported range of bitrates).
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Merge tag 'renesas-arm64-dt2-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt

Second Round of Renesas ARM64 Based SoC DT Updates for v4.19

Corrections:

* Remove non-existing STBE region from Ether-AVB node in DT of
  R-Car E3 (r8a77990) SoC

Cleanups:

* Consistently use rwdt as label for Renesas Watchdog Timer devices
* Add second port to rcar_sound placeholder in DT of R-Car M3-N (r8a77965) SoC
* Fix adv7482 decimal unit addresses in DT of Salvator-X and -XS boards

Enhancements:

* Describe in DT:
  - INTC-EX of R-Car V3H (r8a77980) SoC
  - USB3.0 of R-Car E3 (r8a77980) SoC
  - All SCIF and HSCIF devices of R-Car D3 (r8a77995) SoC.
    Previously only SCIF2, used as the debug consile, was described.
  - All IPMMU devicesof R-Car M3-N (r8a77965), V3H (r8a77980) and
    E3 (r8a77990) SoCs
* Enable USB3.0 in DT of R-Car E3 (r8a77980) based Ebisu board
* Prefer HSCIF1 over SCIF1 in DT of Salvator-X and -XS boards

* tag 'renesas-arm64-dt2-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  arm64: dts: renesas: r8a77980: add INTC-EX support
  arm64: dts: renesas: r8a77990: Enable USB3.0 host for Ebisu board
  arm64: dts: renesas: r8a77995: Add SCIF {0,1,3,4,5} and all HSCIF device nodes
  arm64: dts: renesas: r8a779{65,80,90}: Add IPMMU devices nodes
  arm64: dts: renesas: Unify the labels for RWDT
  arm64: dts: renesas: salvator-common: Prefer HSCIF1 over SCIF1
  arm64: dts: renesas: r8a77965: Add second port to rcar_sound placeholder
  arm64: dts: renesas: salvator-common: Fix adv7482 decimal unit addresses
  arm64: dts: renesas: r8a77990: Remove non-existing STBE region

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:35:40 -07:00
Olof Johansson
d15d9e323c AT91 DT for 4.19:
- New boards from Laird: WB45N, WB50N, SOM60 modules and DVK, Gatwick
  - fix the PMC compatibles
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Merge tag 'at91-ab-4.19-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/dt

AT91 DT for 4.19:

 - New boards from Laird: WB45N, WB50N, SOM60 modules and DVK, Gatwick
 - fix the PMC compatibles

* tag 'at91-ab-4.19-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  ARM: dts: at91: fix typos for SSC TD functions
  ARM: dts: add support for Laird SOM60 module and DVK boards
  ARM: dts: add support for Gatwick board based on WB50N
  ARM: dts: add support for Laird WB50N cpu module and DVK
  ARM: dts: add support for Laird WB45N cpu module and DVK
  ARM: dts: at91: add labels to soc dtsi for derivative boards
  dt-bindings: add laird and giantec vendor prefix
  ARM: dts: fix PMC compatible
  ARM: at91: fix USB clock detection handling
  dt-bindings: clk: at91: Document all the PMC compatibles
  dt-bindings: arm: remove PMC bindings

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:30:08 -07:00
Viresh Kumar
945d004788 ARM: dts: berlin: Add missing OPP properties for CPUs
The OPP properties, like "operating-points", should either be present
for all the CPUs of a cluster or none. If these are present only for a
subset of CPUs of a cluster then things will start falling apart as soon
as the CPUs are brought online in a different order. For example, this
will happen because the operating system looks for such properties in
the CPU node it is trying to bring up, so that it can create an OPP
table.

Add such missing properties.

Fix other missing properties (clocks, clock latency) as well to
make it all work.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:29:11 -07:00
Olof Johansson
4d4ef9c422 ARM64: DT: Hisilicon SoC DT updates for 4.19v2
- Tidy up MMC properties for hi3660
 - Remove keep-power-in-suspend on hikey and hikey960 to
   avoid keeping wifi power during suspend and let the
   user enable it if required
 - Update idle states for hikey960
 - Add missing cooling device properties for cpus on hi6220
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Merge tag 'hisi-arm64-dt-for-4.19v2' of git://github.com/hisilicon/linux-hisi into next/dt

ARM64: DT: Hisilicon SoC DT updates for 4.19v2

- Tidy up MMC properties for hi3660
- Remove keep-power-in-suspend on hikey and hikey960 to
  avoid keeping wifi power during suspend and let the
  user enable it if required
- Update idle states for hikey960
- Add missing cooling device properties for cpus on hi6220

* tag 'hisi-arm64-dt-for-4.19v2' of git://github.com/hisilicon/linux-hisi:
  arm64: dts: hisilicon: Add missing cooling device properties for CPUs
  arm64: hikey960: update idle-states
  arm64: dts: hikey: Remove keep-power-in-suspend property
  arm64: dts: hikey960: Remove keep-power-in-suspend property
  arm64: dts: hikey960: Clean up MMC properties and move to proper file
  arm64: dts: hikey960: Remove deprecated MMC properties

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:28:31 -07:00
Olof Johansson
4fc116f395 ARM: dts: zynq: DT changes for v4.19
- Add Z-turn board
 - Add mmc aliases
 - Fix model information
 - Sort out documentatio
 - Update Zybo Z7
 - Fix gpio-keys
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Merge tag 'zynq-dt-for-v4.19-v2' of https://github.com/Xilinx/linux-xlnx into next/dt

ARM: dts: zynq: DT changes for v4.19

- Add Z-turn board
- Add mmc aliases
- Fix model information
- Sort out documentatio
- Update Zybo Z7
- Fix gpio-keys

* tag 'zynq-dt-for-v4.19-v2' of https://github.com/Xilinx/linux-xlnx:
  ARM: dts: zynq: Remove #address/#size-cells from gpio-keys
  ARM: dts: zynq: Add LEDs to the Zybo Z7 board
  ARM: dts: zynq: Use gpio constants for the Zybo Z7 board
  ARM: dts: zynq: Fix memory size on the Zybo Z7 board
  dt-bindings: xilinx: zynq: Add missing boards
  dt-bindings: xilinx: zynq: Move Paralella board to Xilinx
  dt-bindings: xilinx: zynq: Sort entries alphabetically
  dt-bindings: xilinx: zynq: Improve boards description
  ARM: dts: zynq: correct and improve the model property of dt files
  ARM: dts: zynq: Set correct manufacturer for ZedBoard and MicroZed boards
  ARM: dts: zynq: Add mmc alias for zc702/zc706/zed/zybo
  ARM: dts: zynq: Add support for Z-turn board

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:27:56 -07:00
Olof Johansson
b68f95a5ec arm: dts: zynqmp: DT changes for v4.19
- Use serdev for BT in zcu100
 - Remove ep108
 - Fix gpio-keys binding
 - Add suport for Ultra96
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Merge tag 'zynqmp-dt-for-v4.19-v2' of https://github.com/Xilinx/linux-xlnx into next/dt

arm: dts: zynqmp: DT changes for v4.19

- Use serdev for BT in zcu100
- Remove ep108
- Fix gpio-keys binding
- Add suport for Ultra96

* tag 'zynqmp-dt-for-v4.19-v2' of https://github.com/Xilinx/linux-xlnx:
  arm64: dts: zynqmp: Add support for Avnet Ultra96 rev1 board
  arm64: dts: zynqmp: Remove #address/#size-cells from gpio-keys
  arm64: dts: zynqmp: Remove ep108 board
  arm64: dts: zynqmp: Use serdev for zcu100 BT

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:27:26 -07:00
Olof Johansson
7f502f8b34 UniPhier ARM64 SoC DT updates for v4.19
- Add missing #cooling-cells properties
 
 - Add hp-det-gpio property to detect headphone via GPIO
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Merge tag 'uniphier-dt64-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier into next/dt

UniPhier ARM64 SoC DT updates for v4.19

- Add missing #cooling-cells properties

- Add hp-det-gpio property to detect headphone via GPIO

* tag 'uniphier-dt64-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier:
  arm64: dts: uniphier: add headphone detect gpio for LD11 global board
  arm64: dts: uniphier: add headphone detect gpio for LD20 global board
  arm64: dts: uniphier: Add missing cooling device properties for CPUs

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:26:49 -07:00
Olof Johansson
952a6f1326 UniPhier ARM SoC DT updates for v4.19
- Add missing #cooling-cells properties
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Merge tag 'uniphier-dt-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier into next/dt

UniPhier ARM SoC DT updates for v4.19

- Add missing #cooling-cells properties

* tag 'uniphier-dt-v4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier:
  ARM: dts: uniphier: Add missing cooling device properties for CPUs

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:26:15 -07:00
Olof Johansson
3f0213de11 Few more beaglebone variants for v4.19 merge window
This adds dts files for two new beaglebone variants for
 Octavo Systems OSD3358-SM-RED and Sancloud am335x-sancloud-bbe.
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Merge tag 'omap-for-v4.19/dt-pt2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Few more beaglebone variants for v4.19 merge window

This adds dts files for two new beaglebone variants for
Octavo Systems OSD3358-SM-RED and Sancloud am335x-sancloud-bbe.

* tag 'omap-for-v4.19/dt-pt2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: am335x: add am335x-sancloud-bbe board support
  dt-bindings: Add vendor prefix for Sancloud
  ARM: dts: Add DT support for Octavo Systems OSD3358-SM-RED based on TI AM335x

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:25:39 -07:00
Olof Johansson
f0ad841230 i.MX SoC update for 4.19:
- A series from Anson Huang to add power management for i.MX6SLL,
    including standby and mem mode suspend, cpuidle support, and bus
    clock auto gating function, etc.
  - A couple of fix-ups on i.MX6SLL cpuidle random build issues.
  - A couple of cleanups on stale EPIT timer initialization and RNGA
    platform device registration function.
  - Configure i.MX51 SoC M4IF to avoid visual artifacts during video
    playback.
  - Set up i.MX51 and i.MX53 DBGEN bit of ARM_GPC register, so that
    clocks within the debug system can be activated.
  - Add a Cortex-M4 platform support which will be useful for running
    a Linux instance on Cortex-M4 core integrated in i.MX7D SoC.
  - Flag of_iomap failure in imx_aips_allow_unprivileged_access()
    function by giving a warning in there.
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Merge tag 'imx-soc-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/soc

i.MX SoC update for 4.19:
 - A series from Anson Huang to add power management for i.MX6SLL,
   including standby and mem mode suspend, cpuidle support, and bus
   clock auto gating function, etc.
 - A couple of fix-ups on i.MX6SLL cpuidle random build issues.
 - A couple of cleanups on stale EPIT timer initialization and RNGA
   platform device registration function.
 - Configure i.MX51 SoC M4IF to avoid visual artifacts during video
   playback.
 - Set up i.MX51 and i.MX53 DBGEN bit of ARM_GPC register, so that
   clocks within the debug system can be activated.
 - Add a Cortex-M4 platform support which will be useful for running
   a Linux instance on Cortex-M4 core integrated in i.MX7D SoC.
 - Flag of_iomap failure in imx_aips_allow_unprivileged_access()
   function by giving a warning in there.

* tag 'imx-soc-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: mx5: Set the DBGEN bit in ARM_GPC register
  ARM: imx51: Configure M4IF to avoid visual artifacts
  ARM: imx: call imx6sx_cpuidle_init() conditionally for 6sll
  ARM: imx: fix i.MX6SLL build
  ARM: imx: flag failure of of_iomap
  ARM: i.MX31: remove rnga registration as a platform device
  ARM: imx: Provide support for NXP i.MX7D Cortex-M4
  ARM: imx: enable bus auto clock gating function for i.mx6sll
  ARM: imx: remove i.MX6SLL support in i.MX6SL cpu idle driver
  ARM: imx: add cpu idle support for i.MX6SLL
  ARM: imx: add L2 page power control for GPC
  ARM: imx: add mem mode suspend for i.MX6SLL
  ARM: imx: add standby mode suspend for i.MX6SLL
  ARM: imx: remove inexistant EPIT timer init

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:21:03 -07:00
Olof Johansson
b598b3aaf9 Second Round of Renesas ARM Based SoC Updates for v4.19
* Always enable ARCH_TIMER on SoCs with A7 or A15
 
   All such SoCs have ARCH_TIMER so there is no need for it to be optional.
   This allows clean-up which is included in this change.
 
 * Do not compile r8a7779_platform_cpu_kill when it is unused
 
   This avoids a warning by shuffling code into an existing #ifdef
   r8a7779 is the R-Car H1 SoC
 
 * Add SMP enabler driver for the RZ/N1D (r9a06g032) SoC
 
   This is to allow SMP to be enabled via DT on the r9a06g032
 
 * Stop compiling headsmp-apmu for non-SMP configs
 
   This is a minor clean-up allowing removal of an #ifdef
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Merge tag 'renesas-arm-soc2-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

Second Round of Renesas ARM Based SoC Updates for v4.19

* Always enable ARCH_TIMER on SoCs with A7 or A15

  All such SoCs have ARCH_TIMER so there is no need for it to be optional.
  This allows clean-up which is included in this change.

* Do not compile r8a7779_platform_cpu_kill when it is unused

  This avoids a warning by shuffling code into an existing #ifdef
  r8a7779 is the R-Car H1 SoC

* Add SMP enabler driver for the RZ/N1D (r9a06g032) SoC

  This is to allow SMP to be enabled via DT on the r9a06g032

* Stop compiling headsmp-apmu for non-SMP configs

  This is a minor clean-up allowing removal of an #ifdef

* tag 'renesas-arm-soc2-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: Always enable ARCH_TIMER on SoCs with A7 and/or A15
  ARM: shmobile: r8a7779: hide unused r8a7779_platform_cpu_kill
  soc: r9a06g032: don't build SMP files for non-SMP config
  ARM: shmobile: Add the R9A06G032 SMP enabler driver
  ARM: shmobile: rcar-gen2: Stop compiling headsmp-apmu on !SMP

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:19:37 -07:00
Olof Johansson
10567c49b9 AT91 SoC for 4.19:
- New low power mode for sama5d2: ULP1
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Merge tag 'at91-ab-4.19-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux into next/soc

AT91 SoC for 4.19:
 - New low power mode for sama5d2: ULP1

* tag 'at91-ab-4.19-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  ARM: at91: pm: configure wakeup sources for ULP1 mode
  ARM: at91: pm: add PMC fast startup registers defines
  ARM: at91: pm: Add ULP1 mode support
  ARM: at91: pm: Use ULP0 naming instead of slow clock
  MAINTAINERS: Remove the AT91 clk driver entry

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:18:29 -07:00
Viresh Kumar
b0c28f2765 ARM: dts: qcom: Add missing OPP properties for CPUs
The OPP properties, like "operating-points", should either be present
for all the CPUs of a cluster or none. If these are present only for a
subset of CPUs of a cluster then things will start falling apart as soon
as the CPUs are brought online in a different order. For example, this
will happen because the operating system looks for such properties in
the CPU node it is trying to bring up, so that it can create an OPP
table.

Add such missing properties.

Fix other missing property (clock latency) as well to make it all
work.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 16:18:14 -05:00
Olof Johansson
484a033bf0 ARM: mach-hisi: Hisilicon SoC updates for 4.19
- check of_iomap and add missing of_node_put since of_find_compatible_node
   is invoked on hisilicon SoCs like hip01, hix5hd2 and hi3xxx.
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Merge tag 'hisi-armv7-soc-for-4.19' of git://github.com/hisilicon/linux-hisi into next/soc

ARM: mach-hisi: Hisilicon SoC updates for 4.19

- check of_iomap and add missing of_node_put since of_find_compatible_node
  is invoked on hisilicon SoCs like hip01, hix5hd2 and hi3xxx.

* tag 'hisi-armv7-soc-for-4.19' of git://github.com/hisilicon/linux-hisi:
  ARM: hisi: handle of_iomap and fix missing of_node_put
  ARM: hisi: check of_iomap and fix missing of_node_put
  ARM: hisi: fix error handling and missing of_node_put

Signed-off-by: Olof Johansson <olof@lixom.net>
2018-07-21 14:16:18 -07:00
Linus Torvalds
3928d4f5ee mm: use helper functions for allocating and freeing vm_area structs
The vm_area_struct is one of the most fundamental memory management
objects, but the management of it is entirely open-coded evertwhere,
ranging from allocation and freeing (using kmem_cache_[z]alloc and
kmem_cache_free) to initializing all the fields.

We want to unify this in order to end up having some unified
initialization of the vmas, and the first step to this is to at least
have basic allocation functions.

Right now those functions are literally just wrappers around the
kmem_cache_*() calls.  This is a purely mechanical conversion:

    # new vma:
    kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL) -> vm_area_alloc()

    # copy old vma
    kmem_cache_alloc(vm_area_cachep, GFP_KERNEL) -> vm_area_dup(old)

    # free vma
    kmem_cache_free(vm_area_cachep, vma) -> vm_area_free(vma)

to the point where the old vma passed in to the vm_area_dup() function
isn't even used yet (because I've left all the old manual initialization
alone).

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-21 13:48:51 -07:00
Loic Poulain
e53db01831 arm64: dts: qcom: db410c: Fix Bluetooth LED trigger
Current LED trigger, 'bt', is not known/used by any existing driver.
Fix this by renaming it to 'bluetooth-power' trigger which is
controlled by the Bluetooth subsystem.

Fixes: 9943230c8860 ("arm64: dts: qcom: Add apq8016-sbc board LED's related device nodes")
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 15:31:02 -05:00
Douglas Anderson
499ff1165d arm64: dts: sdm845: Default qupv3_id_0 as "disabled" like _id_1
In commit 8e4947ee477d ("arm64: dts: qcom: sdm845: Add I2C, SPI, and
UART9 nodes") I accidentally forgot to add the line:

  status = "disabled";

to qupv3_id_0 to match qupv3_id_1.  Add it now.  NOTE: right now the
only sdm845 board with a device tree in mainline is MTP and that board
currently doesn't have any peripherals under qupv3_id_0.  If any board
was currently using peripherals under qupv3_id_0 then that board would
need to add this snippet to their board dts file:

  &qupv3_id_0 {
     status = "okay";
  };

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 15:31:01 -05:00
Niklas Cassel
6192052350 arm64: dts: msm8916: drop legacy suffix for clocks used by MSM DRM driver
Drop legacy suffix for clocks used by MSM DRM driver.

The _clk suffix has been deprecated since commit 20c3bb80235 ("drm/msm:
drop _clk suffix from clk names").

Fixes: 720c3bb80235 (drm/msm: drop _clk suffix from clk names)

The following warnings during boot have been seen since the referenced
fixes commit:

msm_dsi_phy 1a98300.dsi-phy: Using legacy clk name binding.  Use "iface" instead of "iface_clk"
msm 1a00000.mdss: Using legacy clk name binding.  Use "iface" instead of "iface_clk"
msm 1a00000.mdss: Using legacy clk name binding.  Use "bus" instead of "bus_clk"
msm 1a00000.mdss: Using legacy clk name binding.  Use "vsync" instead of "vsync_clk"
msm_mdp 1a01000.mdp: Using legacy clk name binding.  Use "bus" instead of "bus_clk"
msm_mdp 1a01000.mdp: Using legacy clk name binding.  Use "iface" instead of "iface_clk"
msm_mdp 1a01000.mdp: Using legacy clk name binding.  Use "core" instead of "core_clk"
msm_mdp 1a01000.mdp: Using legacy clk name binding.  Use "vsync" instead of "vsync_clk"
msm_dsi 1a98000.dsi: Using legacy clk name binding.  Use "mdp_core" instead of "mdp_core_clk"
msm_dsi 1a98000.dsi: Using legacy clk name binding.  Use "iface" instead of "iface_clk"
msm_dsi 1a98000.dsi: Using legacy clk name binding.  Use "bus" instead of "bus_clk"
msm_dsi 1a98000.dsi: Using legacy clk name binding.  Use "byte" instead of "byte_clk"
msm_dsi 1a98000.dsi: Using legacy clk name binding.  Use "pixel" instead of "pixel_clk"
msm_dsi 1a98000.dsi: Using legacy clk name binding.  Use "core" instead of "core_clk"

Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 15:30:51 -05:00
Abhishek Sahu
f8120d61ce arm64: defconfig: Enable CONFIG_MTD_NAND_QCOM for IPQ8074
QCOM IPQ8074 boards contain NAND flash memory for which
this config needs to be enabled.

Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 15:19:09 -05:00
Abhishek Sahu
c5d0cad11d ARM: qcom_defconfig: Enable QCOM NAND related configs
IPQ8064 and IPQ4019 boards contain NAND flash
memory for which these configs need to be enabled.

Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 15:18:27 -05:00
Bhushan Shah
03864e5777 ARM: dts: qcom: msm8974-hammerhead: increase load on l20 for sdhci
The kernel would not boot on the hammerhead hardware due to the
following error:

mmc0: Timeout waiting for hardware interrupt.
mmc0: sdhci: ============ SDHCI REGISTER DUMP ===========
mmc0: sdhci: Sys addr:  0x00000200 | Version:  0x00003802
mmc0: sdhci: Blk size:  0x00000200 | Blk cnt:  0x00000200
mmc0: sdhci: Argument:  0x00000000 | Trn mode: 0x00000023
mmc0: sdhci: Present:   0x03e80000 | Host ctl: 0x00000034
mmc0: sdhci: Power:     0x00000001 | Blk gap:  0x00000000
mmc0: sdhci: Wake-up:   0x00000000 | Clock:    0x00000007
mmc0: sdhci: Timeout:   0x0000000e | Int stat: 0x00000000
mmc0: sdhci: Int enab:  0x02ff900b | Sig enab: 0x02ff100b
mmc0: sdhci: AC12 err:  0x00000000 | Slot int: 0x00000000
mmc0: sdhci: Caps:      0x642dc8b2 | Caps_1:   0x00008007
mmc0: sdhci: Cmd:       0x00000c1b | Max curr: 0x00000000
mmc0: sdhci: Resp[0]:   0x00000c00 | Resp[1]:  0x00000000
mmc0: sdhci: Resp[2]:   0x00000000 | Resp[3]:  0x00000000
mmc0: sdhci: Host ctl2: 0x00000008
mmc0: sdhci: ADMA Err:  0x00000000 | ADMA Ptr: 0x70040220
mmc0: sdhci: ============================================
mmc0: Card stuck in wrong state! mmcblk0 card_busy_detect status: 0xe00
mmc0: cache flush error -110
mmc0: Reset 0x1 never completed.

This patch increases the load on l20 to 0.2 amps for the sdhci
and allows the device to boot normally.

Signed-off-by: Bhushan Shah <bshah@kde.org>
Signed-off-by: Brian Masney <masneyb@onstation.org>
Suggested-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 15:17:16 -05:00
Sricharan R
eea7f21b1e ARM: dts: qcom: Fix 'interrupts = <>' property to use proper macros
Fix all nodes to use proper GIC_* macros for the interrupt type and the
interrupt trigger settings to avoid the boot warnings.

Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Tested-by: Abhishek Sahu <absahu@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 15:17:12 -05:00
Linus Torvalds
191a3afa98 Merge branch 'akpm' (patches from Andrew)
Merge fixes from Andrew Morton:
 "5 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  mm: memcg: fix use after free in mem_cgroup_iter()
  mm/huge_memory.c: fix data loss when splitting a file pmd
  fat: fix memory allocation failure handling of match_strdup()
  MAINTAINERS: Peter has moved
  mm/memblock: add missing include <linux/bootmem.h>
2018-07-21 13:14:17 -07:00
Johan Hovold
78ee559d7f soc: qcom: rmtfs-mem: fix memleak in probe error paths
Make sure to set the mem device release callback before calling
put_device() in a couple of probe error paths so that the containing
object also gets freed.

Fixes: d1de6d6c639b ("soc: qcom: Remote filesystem memory driver")
Cc: stable <stable@vger.kernel.org>     # 4.15
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 14:53:47 -05:00
Jing Xia
9f15bde671 mm: memcg: fix use after free in mem_cgroup_iter()
It was reported that a kernel crash happened in mem_cgroup_iter(), which
can be triggered if the legacy cgroup-v1 non-hierarchical mode is used.

Unable to handle kernel paging request at virtual address 6b6b6b6b6b6b8f
......
Call trace:
  mem_cgroup_iter+0x2e0/0x6d4
  shrink_zone+0x8c/0x324
  balance_pgdat+0x450/0x640
  kswapd+0x130/0x4b8
  kthread+0xe8/0xfc
  ret_from_fork+0x10/0x20

  mem_cgroup_iter():
      ......
      if (css_tryget(css))    <-- crash here
	    break;
      ......

The crashing reason is that mem_cgroup_iter() uses the memcg object whose
pointer is stored in iter->position, which has been freed before and
filled with POISON_FREE(0x6b).

And the root cause of the use-after-free issue is that
invalidate_reclaim_iterators() fails to reset the value of iter->position
to NULL when the css of the memcg is released in non- hierarchical mode.

Link: http://lkml.kernel.org/r/1531994807-25639-1-git-send-email-jing.xia@unisoc.com
Fixes: 6df38689e0e9 ("mm: memcontrol: fix possible memcg leak due to interrupted reclaim")
Signed-off-by: Jing Xia <jing.xia.mail@gmail.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Vladimir Davydov <vdavydov.dev@gmail.com>
Cc: <chunyan.zhang@unisoc.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-21 12:50:46 -07:00
Hugh Dickins
e1f1b1572e mm/huge_memory.c: fix data loss when splitting a file pmd
__split_huge_pmd_locked() must check if the cleared huge pmd was dirty,
and propagate that to PageDirty: otherwise, data may be lost when a huge
tmpfs page is modified then split then reclaimed.

How has this taken so long to be noticed?  Because there was no problem
when the huge page is written by a write system call (shmem_write_end()
calls set_page_dirty()), nor when the page is allocated for a write fault
(fault_dirty_shared_page() calls set_page_dirty()); but when allocated for
a read fault (which MAP_POPULATE simulates), no set_page_dirty().

Link: http://lkml.kernel.org/r/alpine.LSU.2.11.1807111741430.1106@eggly.anvils
Fixes: d21b9e57c74c ("thp: handle file pages in split_huge_pmd()")
Signed-off-by: Hugh Dickins <hughd@google.com>
Reported-by: Ashwin Chaugule <ashwinch@google.com>
Reviewed-by: Yang Shi <yang.shi@linux.alibaba.com>
Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: <stable@vger.kernel.org>	[4.8+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-21 12:50:46 -07:00
OGAWA Hirofumi
35033ab988 fat: fix memory allocation failure handling of match_strdup()
In parse_options(), if match_strdup() failed, parse_options() leaves
opts->iocharset in unexpected state (i.e.  still pointing the freed
string).  And this can be the cause of double free.

To fix, this initialize opts->iocharset always when freeing.

Link: http://lkml.kernel.org/r/8736wp9dzc.fsf@mail.parknet.co.jp
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Reported-by: syzbot+90b8e10515ae88228a92@syzkaller.appspotmail.com
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-21 12:50:46 -07:00
Peter Senna Tschudin
5a6964944c MAINTAINERS: Peter has moved
Update my E-mail address in the MAINTAINERS file.

Link: http://lkml.kernel.org/r/20180710144702.1308-1-peter.senna@gmail.com
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Acked-by: Martyn Welch <martyn.welch@collabora.co.uk>
Cc: David S. Miller <davem@davemloft.net>
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Martin Donnelly <martin.donnelly@ge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-21 12:50:46 -07:00
Mathieu Malaterre
1937367205 mm/memblock: add missing include <linux/bootmem.h>
Commit 26f09e9b3a06 ("mm/memblock: add memblock memory allocation apis")
introduced two new function definitions:

  memblock_virt_alloc_try_nid_nopanic()
  memblock_virt_alloc_try_nid()

and commit ea1f5f3712af ("mm: define memblock_virt_alloc_try_nid_raw")
introduced the following function definition:

  memblock_virt_alloc_try_nid_raw()

This commit adds an include of header file <linux/bootmem.h> to provide
the missing function prototypes.  This silences the following gcc warning
(W=1):

  mm/memblock.c:1334:15: warning: no previous prototype for `memblock_virt_alloc_try_nid_raw' [-Wmissing-prototypes]
  mm/memblock.c:1371:15: warning: no previous prototype for `memblock_virt_alloc_try_nid_nopanic' [-Wmissing-prototypes]
  mm/memblock.c:1407:15: warning: no previous prototype for `memblock_virt_alloc_try_nid' [-Wmissing-prototypes]

Also adds #ifdef blockers to prevent compilation failure on mips/ia64
where CONFIG_NO_BOOTMEM=n as could be seen in commit commit 6cc22dc08a24
("revert "mm/memblock: add missing include <linux/bootmem.h>"").

Because Makefile already does:

  obj-$(CONFIG_HAVE_MEMBLOCK) += memblock.o

The #ifdef has been simplified from:

  #if defined(CONFIG_HAVE_MEMBLOCK) && defined(CONFIG_NO_BOOTMEM)

to simply:

  #if defined(CONFIG_NO_BOOTMEM)

Link: http://lkml.kernel.org/r/20180626184422.24974-1-malat@debian.org
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Suggested-by: Tony Luck <tony.luck@intel.com>
Suggested-by: Michal Hocko <mhocko@kernel.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-07-21 12:50:46 -07:00
Niklas Cassel
4da3b0452b soc: qcom: llc-slice: Add missing MODULE_LICENSE()
Add missing MODULE_LICENSE().
According to the SPDX-License-Identifier, the license is GPL v2.

Fixes the following warning:
WARNING: modpost: missing MODULE_LICENSE() in drivers/soc/qcom/llcc-slice.o

Fixes: a3134fb ("drivers: soc: Add LLCC driver")
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 14:50:45 -05:00
Manivannan Sadhasivam
f63d609b60 arm64: dts: qcom: db820c: Add gpio-line-names property
Add gpio-line-names property for Dragonboard820c based on APQ8096 SoC.
There are 4 gpio-controllers present on this board, including the
APQ8096 SoC, PM8994 (GPIO and MPP) and PMI8994 (GPIO).

Lines names are derived from 96Boards CE Specification 1.0, Appendix
"Expansion Connector Signal Description". Line names for PMI8994 MPP
pins are not added due to the absence of the gpio-controller support.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:54:04 -05:00
Raju P.L.S.S.S.N
6c805adf17 drivers: qcom: rpmh: fix unwanted error check for get_tcs_of_type()
The patch fixes the bug reported by Dan Carpenter.
It removes the unnecessary err check for ‘tcs’ reported by
static checker warning:

drivers/soc/qcom/rpmh-rsc.c:111 tcs_invalidate()
warn: 'tcs' isn't an ERR_PTR
See also:
drivers/soc/qcom/rpmh-rsc.c:178 get_tcs_for_msg() warn: 'tcs' isn't
an ERR_PTR
drivers/soc/qcom/rpmh-rsc.c:180 get_tcs_for_msg() warn: 'tcs' isn't
an ERR_PTR

https://www.spinics.net/lists/linux-soc/msg04624.html

Fixes: 9a3afcf ("drivers: qcom: rpmh-rsc: allow invalidation
of sleep/wake TCS")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:47:22 -05:00
Raju P.L.S.S.S.N
efa1c257b3 drivers: qcom: rpmh-rsc: fix the loop index check in get_req_from_tcs
get_req_from_tcs introduced in patch[1] returns tcs_request from
tcs_group. The size of tcs (of type - tcs_group) array in rsc_drv is
TCS_TYPE_NR. So the loop index needs to be iterated up to TCS_TYPE_NR only.

[1] https://patchwork.kernel.org/patch/10477547/

Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
2018-07-21 13:43:38 -05:00