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By defaul of-based thermal driver do not enable hwmon.
This patch does this explicitly, so that the temperature can be read
through the common hwmon sysfs.
Signed-off-by: Matthias Brugger <mbrugger@suse.com>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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Avoid warnings like this:
thermal_hwmon.h:29:1: warning: ‘thermal_remove_hwmon_sysfs’ defined but not used [-Wunused-function]
thermal_remove_hwmon_sysfs(struct thermal_zone_device *tz)
Fixes: 0dd88793aacd ("thermal: hwmon: move hwmon support to single file")
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
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The MSI Enable bit in the MSI Capability (PCIe r4.0, sec 7.7.1.2) controls
whether a Function can request service using MSI.
i.MX6 Root Ports implement the MSI Capability and may use MSI to request
service for events like PME, hotplug, AER, etc. In addition, on i.MX6, the
MSI Enable bit controls delivery of MSI interrupts from components below
the Root Port.
Prior to f3fdfc4ac3a2 ("PCI: Remove host driver Kconfig selection of
CONFIG_PCIEPORTBUS"), enabling CONFIG_PCI_IMX6 automatically also enabled
CONFIG_PCIEPORTBUS, and when portdrv claimed the Root Ports, it set the MSI
Enable bit so it could use PME, hotplug, AER, etc. As a side effect, that
also enabled delivery of MSI interrupts from downstream components.
The imx6q-pcie driver itself does not depend on portdrv, so set MSI Enable
in imx6q-pcie so MSI from downstream components works even if nobody uses
MSI for the Root Port events.
Fixes: f3fdfc4ac3a2 ("PCI: Remove host driver Kconfig selection of CONFIG_PCIEPORTBUS")
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Sven Van Asbroeck <TheSven73@googlemail.com>
Tested-by: Trent Piepho <tpiepho@impinj.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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Provide a flag to skip scanning for new VFs after SR-IOV enablement. This
can be set by implementations for which the VFs are already reported by
other means.
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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Provide sriov_add_vfs() as a wrapper to scan for VFs that cleans up after
itself. This is just a code simplification. No functional change.
Signed-off-by: Sebastian Ott <sebott@linux.ibm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
- Page table code for AMD IOMMU now supports large pages where smaller
page-sizes were mapped before. VFIO had to work around that in the
past and I included a patch to remove it (acked by Alex Williamson)
- Patches to unmodularize a couple of IOMMU drivers that would never
work as modules anyway.
- Work to unify the the iommu-related pointers in 'struct device' into
one pointer. This work is not finished yet, but will probably be in
the next cycle.
- NUMA aware allocation in iommu-dma code
- Support for r8a774a1 and r8a774c0 in the Renesas IOMMU driver
- Scalable mode support for the Intel VT-d driver
- PM runtime improvements for the ARM-SMMU driver
- Support for the QCOM-SMMUv2 IOMMU hardware from Qualcom
- Various smaller fixes and improvements
* tag 'iommu-updates-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (78 commits)
iommu: Check for iommu_ops == NULL in iommu_probe_device()
ACPI/IORT: Don't call iommu_ops->add_device directly
iommu/of: Don't call iommu_ops->add_device directly
iommu: Consolitate ->add/remove_device() calls
iommu/sysfs: Rename iommu_release_device()
dmaengine: sh: rcar-dmac: Use device_iommu_mapped()
xhci: Use device_iommu_mapped()
powerpc/iommu: Use device_iommu_mapped()
ACPI/IORT: Use device_iommu_mapped()
iommu/of: Use device_iommu_mapped()
driver core: Introduce device_iommu_mapped() function
iommu/tegra: Use helper functions to access dev->iommu_fwspec
iommu/qcom: Use helper functions to access dev->iommu_fwspec
iommu/of: Use helper functions to access dev->iommu_fwspec
iommu/mediatek: Use helper functions to access dev->iommu_fwspec
iommu/ipmmu-vmsa: Use helper functions to access dev->iommu_fwspec
iommu/dma: Use helper functions to access dev->iommu_fwspec
iommu/arm-smmu: Use helper functions to access dev->iommu_fwspec
ACPI/IORT: Use helper functions to access dev->iommu_fwspec
iommu: Introduce wrappers around dev->iommu_fwspec
...
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Pull dmaengine updates from Vinod Koul:
"This includes a new driver, removes R-Mobile APE6 as it is no longer
used, sprd cyclic dma support, last batch of dma_slave_config
direction removal and random updates to bunch of drivers.
Summary:
- New driver for UniPhier MIO DMA controller
- Remove R-Mobile APE6 support
- Sprd driver updates and support for cyclic link-list
- Remove dma_slave_config direction usage from rest of drivers
- Minor updates to dmatest, dw-dmac, zynqmp and bcm dma drivers"
* tag 'dmaengine-4.21-rc1' of git://git.infradead.org/users/vkoul/slave-dma: (48 commits)
dmaengine: qcom_hidma: convert to DEFINE_SHOW_ATTRIBUTE
dmaengine: pxa: remove DBGFS_FUNC_DECL()
dmaengine: mic_x100_dma: convert to DEFINE_SHOW_ATTRIBUTE
dmaengine: amba-pl08x: convert to DEFINE_SHOW_ATTRIBUTE
dmaengine: Documentation: Add documentation for multi chan testing
dmaengine: dmatest: Add transfer_size parameter
dmaengine: dmatest: Add alignment parameter
dmaengine: dmatest: Use fixed point div to calculate iops
dmaengine: dmatest: Add support for multi channel testing
dmaengine: rcar-dmac: Document R8A774C0 bindings
dt-bindings: dmaengine: usb-dmac: Add binding for r8a774c0
dmaengine: zynqmp_dma: replace spin_lock_bh with spin_lock_irqsave
dmaengine: sprd: Add me as one of the module authors
dmaengine: sprd: Support DMA 2-stage transfer mode
dmaengine: sprd: Support DMA link-list cyclic callback
dmaengine: sprd: Set cur_desc as NULL when free or terminate one dma channel
dmaengine: sprd: Fix the last link-list configuration
dmaengine: sprd: Get transfer residue depending on the transfer direction
dmaengine: sprd: Remove direction usage from struct dma_slave_config
dmaengine: dmatest: fix a small memory leak in dmatest_func()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Subsystem:
- new %ptR printk format
- rename core files
- allow registration of multiple nvmem devices
New driver:
- i.MX system controller RTC
Driver updates:
- abx80x: handle voltage ioctls, correct binding doc
- m41t80: correct month in alarm reads
- pcf85363: add pcf85263 support
- pcf8523: properly handle battery low flag
- s3c: limit alarm to one year in the future as ALMYEAR is broken
- sun6i: rework clock output binding"
* tag 'rtc-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (54 commits)
rtc: rename core files
rtc: nvmem: fix possible use after free
rtc: add i.MX system controller RTC support
dt-bindings: fsl: scu: add rtc binding
rtc: pcf2123: Add Microcrystal rv2123
rtc: class: reimplement devm_rtc_device_register
rtc: enforce rtc_timer_init private_data type
rtc: abx80x: Implement RTC_VL_READ,CLR ioctls
rtc: pcf85363: Add support for NXP pcf85263 rtc
dt-bindings: rtc: pcf85363: Document pcf85263 real-time clock
rtc: pcf8523: don't return invalid date when battery is low
dt-bindings: rtc: use a generic node name for ds1307
PM: Switch to use %ptR
m68k/mac: Switch to use %ptR
Input: hp_sdc_rtc - Switch to use %ptR
rtc: tegra: Switch to use %ptR
rtc: s5m: Switch to use %ptR
rtc: s3c: Switch to use %ptR
rtc: rx8025: Switch to use %ptR
rtc: rx6110: Switch to use %ptR
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control updates from Linus Walleij:
"We have no core changes but lots of incremental development in drivers
all over the place: Renesas, NXP, Mediatek and Actions Semiconductor
keep churning out new SoCs.
I have some subtree maintainers for Renesas and Intel helping out to
keep down the load, it's been working smoothly (Samsung also have a
subtree but it was not used this cycle.)
New drivers:
- NXP (ex Freescale) i.MX 8 QXP SoC driver.
- Mediatek MT6797 SoC driver.
- Mediatek MT7629 SoC driver.
- Actions Semiconductor S700 SoC driver.
- Renesas RZ/A2 SoC driver.
- Allwinner sunxi suniv F1C100 SoC driver.
- Qualcomm PMS405 PMIC driver.
- Microsemi Ocelot Jaguar2 SoC driver.
Improvements:
- Some RT improvements (using raw spinlocks where appropriate).
- A lot of new pin sets on the Renesas PFC pin controllers.
- GPIO hogs now work on the Qualcomm SPMI/SSBI pin controller GPIO
chips, and Xway.
- Major modernization of the Intel pin control drivers.
- STM32 pin control driver will now synchronize usage of pins with
another CPU using a hardware spinlock"
* tag 'pinctrl-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (145 commits)
dt-bindings: arm: fsl-scu: add imx8qm pinctrl support
pinctrl: freescale: Break dependency on SOC_IMX8MQ for i.MX8MQ
pinctrl: imx-scu: Depend on IMX_SCU
pinctrl: ocelot: Add dependency on HAS_IOMEM
pinctrl: ocelot: add MSCC Jaguar2 support
pinctrl: bcm: ns: support updated DT binding as syscon subnode
dt-bindings: pinctrl: bcm4708-pinmux: rework binding to use syscon
MAINTAINERS: merge at91 pinctrl entries
pinctrl: imx8qxp: break the dependency on SOC_IMX8QXP
pinctrl: uniphier: constify uniphier_pinctrl_socdata
pinctrl: mediatek: improve Kconfig dependencies
pinctrl: msm: mark PM functions as __maybe_unused
dt-bindings: pinctrl: sunxi: Add supply properties
pinctrl: meson: meson8b: add the missing GPIO_GROUPs for BOOT and CARD
pinctrl: meson: meson8: add the missing GPIO_GROUPs for BOOT and CARD
pinctrl: meson: meson8: rename the "gpio" function to "gpio_periphs"
pinctrl: meson: meson8: rename the "gpio" function to "gpio_periphs"
pinctrl: meson: meson8b: fix the GPIO function for the GPIOAO pins
pinctrl: meson: meson8: fix the GPIO function for the GPIOAO pins
pinctrl: sh-pfc: Make pinmux_cfg_reg.var_field_width[] variable-length
...
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git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- add TQ-Systems TQMX86 watchdog driver
- add Qualcomm PM8916 watchdog driver
- w83627hf_wdt: add quirk for Inves system
- renesas_wdt: several improvements and document r8a774c0 support
- mena21_wdt, mtx-1: Convert to use GPIO descriptor
- bcm281xx, ie6xx_wdt: convert to DEFINE_SHOW_ATTRIBUTE
- documentation: add PM usage and kernel-api: don't reference removed functions
- update bindings for MT7629 SoC
- several small fixes
* tag 'linux-watchdog-4.21-rc1' of git://www.linux-watchdog.org/linux-watchdog: (22 commits)
watchdog: tqmx86: Add watchdog driver for the IO controller
dt-bindings: watchdog: renesas-wdt: Document r8a774c0 support
watchdog: docs: kernel-api: don't reference removed functions
watchdog: add documentation for PM usage
watchdog: mtx-1: Convert to use GPIO descriptor
watchdog: mena21_wdt: Convert to GPIO descriptors
dt-bindings: watchdog: Add Qualcomm PM8916 watchdog
watchdog: Add pm8916 watchdog driver
dt-bindings: watchdog: update bindings for MT7629 SoC
watchdog: renesas_wdt: don't keep timer value during suspend/resume
watchdog: ie6xx_wdt: convert to DEFINE_SHOW_ATTRIBUTE
watchdog: bcm281xx: convert to DEFINE_SHOW_ATTRIBUTE
watchdog: asm9260_wdt: make array mode_name static, shrinks object size
watchdog/hpwdt: Update driver version.
watchdog/hpwdt: Do not claim unsupported hardware
watchdog/hpwdt: Exclude via blacklist
Watchdog: remove outdated comment
watchdog: w83627hf_wdt: Add quirk for Inves system
watchdog: cpwd: add of_node_put()
watchdog: renesas_wdt: don't set divider while watchdog is running
...
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For HNAE3_DOWN_CLIENT calling hns3_nic_net_stop(), HNAE3_UP_CLIENT
should call hns3_nic_net_open(), since if the number of queue or
the map of TC has is changed before HHAE3_UP_CLIENT is called,
it will cause problem.
Also the HNS3_NIC_STATE_RESETTING flag needs to be cleared before
hns3_nic_net_open() called, and set it back while hns3_nic_net_open()
failed.
Fixes: bb6b94a896d4 ("net: hns3: Add reset interface implementation in client")
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The BPF flow dissector expects either skb->sk or skb->dev set on
all skbs. Delay flow dissection until after skb->dev is set.
This requires calling from within an rcu read-side critical section.
That is fine, see also the call from tun_xdp_one.
Fixes: d0e13a1488ad ("flow_dissector: lookup netns by skb->sk if skb->dev is NULL")
Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Misc driver updates for platforms, many of them power related.
- Rockchip adds power domain support for rk3066 and rk3188
- Amlogic adds a power measurement driver
- Allwinner adds SRAM support for three platforms (F1C100, H5, A64
C1)
- Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7
- Broadcom fixes suspend/resume with Thumb2 kernels, and improves
stability of a handful of firmware/platform interfaces
- PXA completes their conversion to dmaengine framework
- Renesas does a bunch of PM cleanups across many platforms
- Tegra adds support for suspend/resume on T186/T194, which includes
some driver cleanups and addition of wake events
- Tegra also adds a driver for memory controller (EMC) on Tegra2
- i.MX tweaks power domain bindings, and adds support for i.MX8MQ in
GPC
- Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60
and misc cleanups across several platforms"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
ARM: at91: add support in soc driver for new SAM9X60
ARM: at91: add support in soc driver for LPDDR2 SiP
memory: omap-gpmc: Use of_node_name_eq for node name comparisons
bus: ti-sysc: Check for no-reset and no-idle flags at the child level
ARM: OMAP2+: Check also the first dts child for hwmod flags
soc: amlogic: meson-clk-measure: Add missing REGMAP_MMIO dependency
soc: imx: gpc: Increase GPC_CLK_MAX to 7
soc: renesas: rcar-sysc: Fix power domain control after system resume
soc: renesas: rcar-sysc: Merge PM Domain registration and linking
soc: renesas: rcar-sysc: Remove rcar_sysc_power_{down,up}() helpers
soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
dt-bindings: sram: sunxi: Add compatible for the A64 SRAM C1
dt-bindings: sram: sunxi: Add bindings for the H5 with SRAM C1
dt-bindings: sram: Add Allwinner suniv F1C100s
soc: sunxi: sram: Add support for the H5 SoC system control
soc: sunxi: sram: Enable EMAC clock access for H3 variant
soc: imx: gpcv2: add support for i.MX8MQ SoC
soc: imx: gpcv2: move register access table to domain data
soc: imx: gpcv2: prefix i.MX7 specific defines
dmaengine: pxa: make the filter function internal
...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm SoC platform updates from Olof Johansson:
"SoC updates, mostly refactorings and cleanups of old legacy platforms,
but also a few more things:
New SoC support this release:
- NXP/Freescale i.MX7ULP (1x Cortex-A7, Cortex-M4, graphics, etc)
- Allwinner F1C100, older platform with an ARM926-EJS (ARMv5) core
Cleanups of various platforms:
- OMAP1 ams-delta does some GPIO cleanups
- Davinci removes of at24 platform data
- Samsung cleans up old wakeup, PM debug and secondary core boot code
- Renesas moves around config options and PM code to drivers/soc for
sharing with 64-bit and more consistency
- i.MX, Broadcom and SoCFPGA all have tweaks to lowlevel debug
console setups
- SoCFPGA adds explicit selection of ARM errata and removes some
unused code
This also contains a few patches that I had queued up as fixes for
4.20 but didn't send in before the release"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (68 commits)
arm64: dts: renesas: draak: Fix CVBS input
ARM: omap2: avoid section mismatch warning
ARM: tegra: avoid section mismatch warning
ARM: ks8695: fix section mismatch warning
ARM: pxa: avoid section mismatch warning
ARM: mmp: fix pxa168_device_usb_phy use on aspenite
ARM: mmp: fix timer_init calls
ARM: OMAP1: fix USB configuration for device-only setups
ARM: OMAP1: add MMC configuration for Palm Tungsten E
ARM: imx: fix dependencies on imx7ulp
ARM: meson: select HAVE_ARM_TWD and ARM_GLOBAL_TIMER
MAINTAINERS: add drivers/soc/amlogic/ to amlogic list
ARM: imx: add initial support for imx7ulp
ARM: debug-imx: only define DEBUG_IMX_UART_PORT if needed
ARM: dts: Fix OMAP4430 SDP Ethernet startup
ARM: dts: am335x-pdu001: Fix polarity of card detection input
ARM: OMAP1: ams-delta: Fix audio permanently muted
ARM: dts: omap5: Fix dual-role mode on Super-Speed port
arm64: dts: rockchip: fix rk3399-rockpro64 regulator gpios
ARM: davinci: da850-evm: remove unnecessary include
...
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Commit 33a48ab105a7 ("ibmveth: Fix DMA unmap error") fixed an issue in the
normal code path of ibmveth_xmit_start() that was originally introduced by
Commit 6e8ab30ec677 ("ibmveth: Add scatter-gather support"). This original
fix missed the error path where dma_unmap_page is wrongly called on the
header portion in descs[0] which was mapped with dma_map_single. As a
result a failure to DMA map any of the frags results in a dmesg warning
when CONFIG_DMA_API_DEBUG is enabled.
------------[ cut here ]------------
DMA-API: ibmveth 30000002: device driver frees DMA memory with wrong function
[device address=0x000000000a430000] [size=172 bytes] [mapped as page] [unmapped as single]
WARNING: CPU: 1 PID: 8426 at kernel/dma/debug.c:1085 check_unmap+0x4fc/0xe10
...
<snip>
...
DMA-API: Mapped at:
ibmveth_start_xmit+0x30c/0xb60
dev_hard_start_xmit+0x100/0x450
sch_direct_xmit+0x224/0x490
__qdisc_run+0x20c/0x980
__dev_queue_xmit+0x1bc/0xf20
This fixes the API misuse by unampping descs[0] with dma_unmap_single.
Fixes: 6e8ab30ec677 ("ibmveth: Add scatter-gather support")
Signed-off-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add UART driver for RDA Micro RDA8810PL SoC.
Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
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https://git.linaro.org/people/jens.wiklander/linux-tee into next/late
OP-TEE dynamic shm log message
Adds a log message in the OP-TEE driver to inform that dynamic shared
memory is enabled.
* tag 'tee-subsys-optee-for-4.21' of https://git.linaro.org/people/jens.wiklander/linux-tee:
tee: optee: log message if dynamic shm is enabled
Signed-off-by: Olof Johansson <olof@lixom.net>
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https://git.linaro.org/people/jens.wiklander/linux-tee into next/late
Avoid possible double list_del in supplicant comms
A fix for the OP-TEE driver to avoid possible double list_del during
tee-supplicant communication while the system is shutting down.
* tag 'tee-subsys-fix-for-4.21' of https://git.linaro.org/people/jens.wiklander/linux-tee:
tee: optee: avoid possible double list_del()
Signed-off-by: Olof Johansson <olof@lixom.net>
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Merge in fixes here, since the last batch didn't make it in before the
release of 4.20, and we might as well group them with this set of
patches.
* fixes: (822 commits)
arm64: dts: renesas: draak: Fix CVBS input
ARM: dts: Fix OMAP4430 SDP Ethernet startup
ARM: dts: am335x-pdu001: Fix polarity of card detection input
ARM: OMAP1: ams-delta: Fix audio permanently muted
ARM: dts: omap5: Fix dual-role mode on Super-Speed port
arm64: dts: rockchip: fix rk3399-rockpro64 regulator gpios
ARM: dts: imx7d-nitrogen7: Fix the description of the Wifi clock
ARM: imx: update the cpu power up timing setting on i.mx6sx
Revert "arm64: dts: marvell: add CPU Idle power state support on Armada 7K/8K"
ARM: dts: imx7d-pico: Describe the Wifi clock
ARM: dts: realview: Fix some more duplicate regulator nodes
MAINTAINERS: update entry for MMP platform
ARM: mmp/mmp2: fix cpu_is_mmp2() on mmp2-dt
MAINTAINERS: mediatek: Update SoC entry
ARM: dts: bcm2837: Fix polarity of wifi reset GPIOs
+ Linux 4.20-rc5
Signed-off-by: Olof Johansson <olof@lixom.net>
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As of v4.20, the swim3 driver crashes when loaded on a PowerBook G3
(Wallstreet).
MacIO PCI driver attached to Gatwick chipset
MacIO PCI driver attached to Heathrow chipset
swim3 0.00015000:floppy: [fd0] SWIM3 floppy controller in media bay
0.00013020:ch-a: ttyS0 at MMIO 0xf3013020 (irq = 16, base_baud = 230400) is a Z85c30 ESCC - Serial port
0.00013000:ch-b: ttyS1 at MMIO 0xf3013000 (irq = 17, base_baud = 230400) is a Z85c30 ESCC - Infrared port
macio: fixed media-bay irq on gatwick
macio: fixed left floppy irqs
swim3 1.00015000:floppy: [fd1] Couldn't request interrupt
Unable to handle kernel paging request for data at address 0x00000024
Faulting instruction address: 0xc02652f8
Oops: Kernel access of bad area, sig: 11 [#1]
BE SMP NR_CPUS=2 PowerMac
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.20.0 #2
NIP: c02652f8 LR: c026915c CTR: c0276d1c
REGS: df43ba10 TRAP: 0300 Not tainted (4.20.0)
MSR: 00009032 <EE,ME,IR,DR,RI> CR: 28228288 XER: 00000100
DAR: 00000024 DSISR: 40000000
GPR00: c026915c df43bac0 df439060 c0731524 df494700 00000000 c06e1c08 00000001
GPR08: 00000001 00000000 df5ff220 00001032 28228282 00000000 c0004ca4 00000000
GPR16: 00000000 00000000 00000000 c073144c dfffe064 c0731524 00000120 c0586108
GPR24: c073132c c073143c c073143c 00000000 c0731524 df67cd70 df494700 00000001
NIP [c02652f8] blk_mq_free_rqs+0x28/0xf8
LR [c026915c] blk_mq_sched_tags_teardown+0x58/0x84
Call Trace:
[df43bac0] [c0045f50] flush_workqueue_prep_pwqs+0x178/0x1c4 (unreliable)
[df43bae0] [c026915c] blk_mq_sched_tags_teardown+0x58/0x84
[df43bb00] [c02697f0] blk_mq_exit_sched+0x9c/0xb8
[df43bb20] [c0252794] elevator_exit+0x84/0xa4
[df43bb40] [c0256538] blk_exit_queue+0x30/0x50
[df43bb50] [c0256640] blk_cleanup_queue+0xe8/0x184
[df43bb70] [c034732c] swim3_attach+0x330/0x5f0
[df43bbb0] [c034fb24] macio_device_probe+0x58/0xec
[df43bbd0] [c032ba88] really_probe+0x1e4/0x2f4
[df43bc00] [c032bd28] driver_probe_device+0x64/0x204
[df43bc20] [c0329ac4] bus_for_each_drv+0x60/0xac
[df43bc50] [c032b824] __device_attach+0xe8/0x160
[df43bc80] [c032ab38] bus_probe_device+0xa0/0xbc
[df43bca0] [c0327338] device_add+0x3d8/0x630
[df43bcf0] [c0350848] macio_add_one_device+0x444/0x48c
[df43bd50] [c03509f8] macio_pci_add_devices+0x168/0x1bc
[df43bd90] [c03500ec] macio_pci_probe+0xc0/0x10c
[df43bda0] [c02ad884] pci_device_probe+0xd4/0x184
[df43bdd0] [c032ba88] really_probe+0x1e4/0x2f4
[df43be00] [c032bd28] driver_probe_device+0x64/0x204
[df43be20] [c032bfcc] __driver_attach+0x104/0x108
[df43be40] [c0329a00] bus_for_each_dev+0x64/0xb4
[df43be70] [c032add8] bus_add_driver+0x154/0x238
[df43be90] [c032ca24] driver_register+0x84/0x148
[df43bea0] [c0004aa0] do_one_initcall+0x40/0x188
[df43bf00] [c0690100] kernel_init_freeable+0x138/0x1d4
[df43bf30] [c0004cbc] kernel_init+0x18/0x10c
[df43bf40] [c00121e4] ret_from_kernel_thread+0x14/0x1c
Instruction dump:
5484d97e 4bfff4f4 9421ffe0 7c0802a6 bf410008 7c9e2378 90010024 8124005c
2f890000 419e0078 81230004 7c7c1b78 <81290024> 2f890000 419e0064 81440000
---[ end trace 12025ab921a9784c ]---
Reverting commit 8ccb8cb1892b ("swim3: convert to blk-mq") resolves the
problem.
That commit added a struct blk_mq_tag_set to struct floppy_state and
initialized it with a blk_mq_init_sq_queue() call. Unfortunately, there
is a memset() in swim3_add_device() that subsequently clears the
floppy_state struct. That means fs->tag_set->ops is a NULL pointer, and
it gets dereferenced by blk_mq_free_rqs() which gets called in the
request_irq() error path. Move the memset() to fix this bug.
BTW, the request_irq() failure for the left mediabay floppy (fd1) is not
a regression. I don't know why it happens. The right media bay floppy
(fd0) works fine however.
Reported-and-tested-by: Stan Johnson <userm57@yahoo.com>
Fixes: 8ccb8cb1892b ("swim3: convert to blk-mq")
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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When the block device is opened with FMODE_EXCL, ref_count is set to -1.
This value doesn't get reset when the device is closed which means the
device cannot be opened again. Fix this by checking for refcount <= 0
in the release method.
Reported-and-tested-by: Stan Johnson <userm57@yahoo.com>
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Cc: linux-m68k@lists.linux-m68k.org
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We must add notrace on sched_clock_read, because it's called
by ftrace_graph_caller.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
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Timer startup must after timer_irq_enable. For qemu, timer tick
irq hanppens but irq not enable, so it will cause qemu boot failed.
Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Tested-by: Liu Zhiwei <zhiwei_liu@c-sky.com>
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Rename core files so there is a clearer separation between the RTC core and
the RTC drivers.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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In rtl8169_runtime_resume() we configure WoL but don't set the device
to wakeup-enabled. This prevents PME generation once the cable is
re-plugged. Fix this by moving the call to device_set_wakeup_enable()
to __rtl8169_set_wol().
Fixes: 433f9d0ddcc6 ("r8169: improve saved_wolopts handling")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When x25_asy_open() fails, it already cleans up by itself,
so its caller doesn't need to free the memory again.
It seems we still have to call x25_asy_free() to clear the SLF_INUSE
bit, so just set these pointers to NULL after kfree().
Reported-and-tested-by: syzbot+5e5e969e525129229052@syzkaller.appspotmail.com
Fixes: 3b780bed3138 ("x25_asy: Free x25_asy on x25_asy_open() failure.")
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In cas of probe failure, devres may free the memory allocated for
rtc->nvram before devm_rtc_release_device() is called. This leads to
rtc_nvram_unregister using it after being freed which may lead to a crash.
This has been shown to happen after commit 461e557b9727 ("rtc: nvmem: use
devm_nvmem_register()")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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into drm-next
Fixes for 4.21. A bit more than usual due to the holidays. Highlights:
- add new vegaM pci id
- sr-iov fixes
- DC fix for fast cursor updates
- DC freesync fix
- DC display clock fix for polaris
- DC fixes for dongles
- DC fix for some eDP panels
- misc vega20 fixes
- kfd return code fix for dma_buf support
- VCN fixes for PCO
- nbio hw bug workaround
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181229183307.3330-1-alexander.deucher@amd.com
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kconfig file consolidation from Masahiro Yamada:
"Consolidation of bus (PCI, PCMCIA, EISA, RapidIO) config entries by
Christoph Hellwig.
Currently, every architecture that wants to provide common peripheral
busses needs to add some boilerplate code and include the right
Kconfig files. This series instead just selects the presence (when
needed) and then handles everything in the bus-specific Kconfig file
under drivers/"
* tag 'kconfig-v4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
pcmcia: remove per-arch PCMCIA config entry
eisa: consolidate EISA Kconfig entry in drivers/eisa
rapidio: consolidate RAPIDIO config entry in drivers/rapidio
pcmcia: allow PCMCIA support independent of the architecture
PCI: consolidate the PCI_SYSCALL symbol
PCI: consolidate the PCI_DOMAINS and PCI_DOMAINS_GENERIC config options
PCI: consolidate PCI config entry in drivers/pci
MIPS: remove the HT_PCI config option
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kconfig updates from Masahiro Yamada:
- support -y option for merge_config.sh to avoid downgrading =y to =m
- remove S_OTHER symbol type, and touch include/config/*.h files correctly
- fix file name and line number in lexer warnings
- fix memory leak when EOF is encountered in quotation
- resolve all shift/reduce conflicts of the parser
- warn no new line at end of file
- make 'source' statement more strict to take only string literal
- rewrite the lexer and remove the keyword lookup table
- convert to SPDX License Identifier
- compile C files independently instead of including them from zconf.y
- fix various warnings of gconfig
- misc cleanups
* tag 'kconfig-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (39 commits)
kconfig: surround dbg_sym_flags with #ifdef DEBUG to fix gconf warning
kconfig: split images.c out of qconf.cc/gconf.c to fix gconf warnings
kconfig: add static qualifiers to fix gconf warnings
kconfig: split the lexer out of zconf.y
kconfig: split some C files out of zconf.y
kconfig: convert to SPDX License Identifier
kconfig: remove keyword lookup table entirely
kconfig: update current_pos in the second lexer
kconfig: switch to ASSIGN_VAL state in the second lexer
kconfig: stop associating kconf_id with yylval
kconfig: refactor end token rules
kconfig: stop supporting '.' and '/' in unquoted words
treewide: surround Kconfig file paths with double quotes
microblaze: surround string default in Kconfig with double quotes
kconfig: use T_WORD instead of T_VARIABLE for variables
kconfig: use specific tokens instead of T_ASSIGN for assignments
kconfig: refactor scanning and parsing "option" properties
kconfig: use distinct tokens for type and default properties
kconfig: remove redundant token defines
kconfig: rename depends_list to comment_option_list
...
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
"Kbuild core:
- remove unneeded $(call cc-option,...) switches
- consolidate Clang compiler flags into CLANG_FLAGS
- announce the deprecation of SUBDIRS
- fix single target build for external module
- simplify the dependencies of 'prepare' stage targets
- allow fixdep to directly write to .*.cmd files
- simplify dependency generation for CONFIG_TRIM_UNUSED_KSYMS
- change if_changed_rule to accept multi-line recipe
- move .SECONDARY special target to scripts/Kbuild.include
- remove redundant 'set -e'
- improve parallel execution for CONFIG_HEADERS_CHECK
- misc cleanups
Treewide fixes and cleanups
- set Clang flags correctly for PowerPC boot images
- fix UML build error with CONFIG_GCC_PLUGINS
- remove unneeded patterns from .gitignore files
- refactor firmware/Makefile
- remove unneeded rules for *offsets.s
- avoid unneeded regeneration of intermediate .s files
- clean up ./Kbuild
Modpost:
- remove unused -M, -K options
- fix false positive warnings about section mismatch
- use simple devtable lookup instead of linker magic
- misc cleanups
Coccinelle:
- relax boolinit.cocci checks for overall consistency
- fix warning messages of boolinit.cocci
Other tools:
- improve -dirty check of scripts/setlocalversion
- add a tool to generate compile_commands.json from .*.cmd files"
* tag 'kbuild-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (51 commits)
kbuild: remove unused cmd_gentimeconst
kbuild: remove $(obj)/ prefixes in ./Kbuild
treewide: add intermediate .s files to targets
treewide: remove explicit rules for *offsets.s
firmware: refactor firmware/Makefile
firmware: remove unnecessary patterns from .gitignore
scripts: remove unnecessary ihex2fw and check-lc_ctypes from .gitignore
um: remove unused filechk_gen_header in Makefile
scripts: add a tool to produce a compile_commands.json file
kbuild: add -Werror=implicit-int flag unconditionally
kbuild: add -Werror=strict-prototypes flag unconditionally
kbuild: add -fno-PIE flag unconditionally
scripts: coccinelle: Correct warning message
scripts: coccinelle: only suggest true/false in files that already use them
kbuild: handle part-of-module correctly for *.ll and *.symtypes
kbuild: refactor part-of-module
kbuild: refactor quiet_modtag
kbuild: remove redundant quiet_modtag for $(obj-m)
kbuild: refactor Makefile.asm-generic
user/Makefile: Fix typo and capitalization in comment section
...
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Pull Xtensa updates from Max Filippov:
- switch to generated syscall table
- switch ptrace to regsets, use regsets for core dumps
- complete tracehook implementation
- add syscall tracepoints support
- add jumplabels support
- add memtest support
- drop unused/duplicated code from entry.S, ptrace.c, coprocessor.S,
elf.h and syscall.h
- clean up warnings caused by WSR/RSR macros
- clean up DTC warnings about SPI controller node names in xtfpga.dtsi
- simplify coprocessor.S
- get rid of explicit 'l32r' instruction usage in assembly
* tag 'xtensa-20181228' of git://github.com/jcmvbkbc/linux-xtensa: (25 commits)
xtensa: implement jump_label support
xtensa: implement syscall tracepoints
xtensa: implement tracehook functions and enable HAVE_ARCH_TRACEHOOK
xtensa: enable CORE_DUMP_USE_REGSET
xtensa: implement TIE regset
xtensa: implement task_user_regset_view
xtensa: call do_syscall_trace_{enter,leave} selectively
xtensa: use NO_SYSCALL instead of -1
xtensa: define syscall_get_arch()
Move EM_XTENSA to uapi/linux/elf-em.h
xtensa: support memtest
xtensa: don't use l32r opcode directly
xtensa: xtfpga.dtsi: fix dtc warnings about SPI
xtensa: don't clear cpenable unconditionally on release
xtensa: simplify coprocessor.S
xtensa: clean up WSR*/RSR*/get_sr/set_sr
xtensa: drop unused declarations from elf.h
xtensa: clean up syscall.h
xtensa: drop unused coprocessor helper functions
xtensa: drop custom PTRACE_{PEEK,POKE}{TEXT,DATA}
...
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git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux
Pull nds32 updates from Greentime Hu:
- Perf support
- Power management support
- FPU support
- Hardware prefetcher support
- Build error fixed
- Performance enhancement
* tag 'nds32-for-linus-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux:
nds32: support hardware prefetcher
nds32: Fix the items of hwcap_str ordering issue.
math-emu/soft-fp.h: (_FP_ROUND_ZERO) cast 0 to void to fix warning
math-emu/op-2.h: Use statement expressions to prevent negative constant shift
nds32: support denormalized result through FP emulator
nds32: Support FP emulation
nds32: nds32 FPU port
nds32: Remove duplicated include from pm.c
nds32: Power management for nds32
nds32: Add document for NDS32 PMU.
nds32: Add perf call-graph support.
nds32: Perf porting
nds32: Fix bug in bitfield.h
nds32: Fix gcc 8.0 compiler option incompatible.
nds32: Fill all TLB entries with kernel image mapping
nds32: Remove the redundant assignment
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In probe_gdrom(), the buffer pointed by 'gd.cd_info' is allocated through
kzalloc() and is used to hold the information of the gdrom device. To
register and unregister the device, the pointer 'gd.cd_info' is passed to
the functions register_cdrom() and unregister_cdrom(), respectively.
However, this buffer is not freed after it is used, which can cause a
memory leak bug.
This patch simply frees the buffer 'gd.cd_info' in exit_gdrom() to fix the
above issue.
Signed-off-by: Wenwen Wang <wang6495@umn.edu>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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These functions are called from atomic context:
[ 9.150239] BUG: sleeping function called from invalid context at /home/scott/git/linux/mm/slab.h:421
[ 9.158159] in_atomic(): 1, irqs_disabled(): 0, pid: 4432, name: ip
[ 9.163128] CPU: 8 PID: 4432 Comm: ip Not tainted 4.20.0-rc2-00169-g63d86876f324 #29
[ 9.163130] Call Trace:
[ 9.170701] [c0000002e899a980] [c0000000009c1068] .dump_stack+0xa8/0xec (unreliable)
[ 9.177140] [c0000002e899aa10] [c00000000007a7b4] .___might_sleep+0x138/0x164
[ 9.184440] [c0000002e899aa80] [c0000000001d5bac] .kmem_cache_alloc_trace+0x238/0x30c
[ 9.191216] [c0000002e899ab40] [c00000000065ea1c] .memac_add_hash_mac_address+0x104/0x198
[ 9.199464] [c0000002e899abd0] [c00000000065a788] .set_multi+0x1c8/0x218
[ 9.206242] [c0000002e899ac80] [c0000000006615ec] .dpaa_set_rx_mode+0xdc/0x17c
[ 9.213544] [c0000002e899ad00] [c00000000083d2b0] .__dev_set_rx_mode+0x80/0xd4
[ 9.219535] [c0000002e899ad90] [c00000000083d334] .dev_set_rx_mode+0x30/0x54
[ 9.225271] [c0000002e899ae10] [c00000000083d4a0] .__dev_open+0x148/0x1c8
[ 9.230751] [c0000002e899aeb0] [c00000000083d934] .__dev_change_flags+0x19c/0x1e0
[ 9.230755] [c0000002e899af60] [c00000000083d9a4] .dev_change_flags+0x2c/0x80
[ 9.242752] [c0000002e899aff0] [c0000000008554ec] .do_setlink+0x350/0xf08
[ 9.248228] [c0000002e899b170] [c000000000857ad0] .rtnl_newlink+0x588/0x7e0
[ 9.253965] [c0000002e899b740] [c000000000852424] .rtnetlink_rcv_msg+0x3e0/0x498
[ 9.261440] [c0000002e899b820] [c000000000884790] .netlink_rcv_skb+0x134/0x14c
[ 9.267607] [c0000002e899b8e0] [c000000000851840] .rtnetlink_rcv+0x18/0x2c
[ 9.274558] [c0000002e899b950] [c000000000883c8c] .netlink_unicast+0x214/0x318
[ 9.281163] [c0000002e899ba00] [c000000000884220] .netlink_sendmsg+0x348/0x444
[ 9.287076] [c0000002e899bae0] [c00000000080d13c] .sock_sendmsg+0x2c/0x54
[ 9.287080] [c0000002e899bb50] [c0000000008106c0] .___sys_sendmsg+0x2d0/0x2d8
[ 9.298375] [c0000002e899bd30] [c000000000811a80] .__sys_sendmsg+0x5c/0xb0
[ 9.303939] [c0000002e899be20] [c0000000000006b0] system_call+0x60/0x6c
Signed-off-by: Scott Wood <oss@buserror.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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