Commit Graph

60272 Commits

Author SHA1 Message Date
David S. Miller 13209a8f73 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The MSCC bug fix in 'net' had to be slightly adjusted because the
register accesses are done slightly differently in net-next.

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-24 13:47:27 -07:00
Linus Torvalds 5c33696f2b ARM: SoC/dt fixes for v5.7
This round of fixes is almost exclusively device tree changes,
 with trivial defconfig fixes and one compiler warning fix
 added in.
 
 A number of patches are to fix dtc warnings, in particular on
 Amlogic, i.MX and Rockchips.
 
 Other notable changes include:
 
 Renesas:
  - Fix a wrong clock configuration on R-Mobile A1,
  - Fix IOMMU support on R-Car V3H
 
 Allwinner
  - Multiple audio fixes
 
 Qualcomm
  - Use a safe CPU voltage on MSM8996
  - Fixes to match a late audio driver change
 
 Rockchip:
  - Some fixes for the newly added Pinebook Pro
 
 NXP i.MX:
  - Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board.
  - Fix imx6dl-yapp4-ursa board Ethernet connection.
 
 OMAP:
  - A regression fix for non-existing can device on am534x-idk
  - Fix flakey wlan on droid4 where some devices would not connect
    at all because of internal pull being used with an external pull
  - Fix occasional missed wake-up events on droid4 modem uart
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC/dt fixes from Arnd Bergmann:
 "This round of fixes is almost exclusively device tree changes, with
  trivial defconfig fixes and one compiler warning fix added in.

  A number of patches are to fix dtc warnings, in particular on Amlogic,
  i.MX and Rockchips.

  Other notable changes include:

  Renesas:
   - Fix a wrong clock configuration on R-Mobile A1
   - Fix IOMMU support on R-Car V3H

  Allwinner
   - Multiple audio fixes

  Qualcomm
   - Use a safe CPU voltage on MSM8996
   - Fixes to match a late audio driver change

  Rockchip:
   - Some fixes for the newly added Pinebook Pro

  NXP i.MX:
   - Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board
   - Fix imx6dl-yapp4-ursa board Ethernet connection

  OMAP:
   - A regression fix for non-existing can device on am534x-idk
   - Fix flakey wlan on droid4 where some devices would not connect at
     all because of internal pull being used with an external pull
   - Fix occasional missed wake-up events on droid4 modem uart"

* tag 'arm-soc-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (51 commits)
  ARM: dts: iwg20d-q7-dbcm-ca: Remove unneeded properties in hdmi@39
  ARM: dts: renesas: Make hdmi encoder nodes compliant with DT bindings
  arm64: dts: renesas: Make hdmi encoder nodes compliant with DT bindings
  arm64: defconfig: add MEDIA_PLATFORM_SUPPORT
  arm64: defconfig: ARCH_R8A7795: follow changed config symbol name
  arm64: defconfig: add DRM_DISPLAY_CONNECTOR
  arm64: defconfig: DRM_DUMB_VGA_DAC: follow changed config symbol name
  ARM: oxnas: make ox820_boot_secondary static
  ARM: dts: r8a7740: Add missing extal2 to CPG node
  ARM: dts: omap4-droid4: Fix occasional lost wakeirq for uart1
  ARM: dts: omap4-droid4: Fix flakey wlan by disabling internal pull for gpio
  arm64: dts: allwinner: a64: Remove unused SPDIF sound card
  arm64: dts: allwinner: a64: pinetab: Fix cpvdd supply name
  arm64: dts: meson-g12: remove spurious blank line
  arm64: dts: meson-g12b-khadas-vim3: add missing frddr_a status property
  arm64: dts: meson-g12-common: fix dwc2 clock names
  arm64: dts: meson-g12b-ugoos-am6: fix usb vbus-supply
  arm64: dts: freescale: imx8mp: update input_val for AUDIOMIX_BIT_STREAM
  ARM: dts: r7s9210: Remove bogus clock-names from OSTM nodes
  ARM: dts: rockchip: fix pinctrl sub nodename for spi in rk322x.dtsi
  ...
2020-05-16 13:27:58 -07:00
Arnd Bergmann d5fef88ccb Renesas fixes for v5.7 (take two)
- Fix a wrong clock configuration on R-Mobile A1,
   - Minor fixes that are fast-tracked to avoid introducing regressions
     during conversion of DT bindings to json-schema.
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Merge tag 'renesas-fixes-for-v5.7-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes

Renesas fixes for v5.7 (take two)

  - Fix a wrong clock configuration on R-Mobile A1,
  - Minor fixes that are fast-tracked to avoid introducing regressions
    during conversion of DT bindings to json-schema.

* tag 'renesas-fixes-for-v5.7-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  ARM: dts: iwg20d-q7-dbcm-ca: Remove unneeded properties in hdmi@39
  ARM: dts: renesas: Make hdmi encoder nodes compliant with DT bindings
  arm64: dts: renesas: Make hdmi encoder nodes compliant with DT bindings
  ARM: dts: r8a7740: Add missing extal2 to CPG node

Link: https://lore.kernel.org/r/20200515125043.22811-1-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-15 23:14:36 +02:00
David S. Miller da07f52d3c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Move the bpf verifier trace check into the new switch statement in
HEAD.

Resolve the overlapping changes in hinic, where bug fixes overlap
the addition of VF support.

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-15 13:48:59 -07:00
Linus Torvalds f85c1598dd Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix sk_psock reference count leak on receive, from Xiyu Yang.

 2) CONFIG_HNS should be invisible, from Geert Uytterhoeven.

 3) Don't allow locking route MTUs in ipv6, RFCs actually forbid this,
    from Maciej Żenczykowski.

 4) ipv4 route redirect backoff wasn't actually enforced, from Paolo
    Abeni.

 5) Fix netprio cgroup v2 leak, from Zefan Li.

 6) Fix infinite loop on rmmod in conntrack, from Florian Westphal.

 7) Fix tcp SO_RCVLOWAT hangs, from Eric Dumazet.

 8) Various bpf probe handling fixes, from Daniel Borkmann.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (68 commits)
  selftests: mptcp: pm: rm the right tmp file
  dpaa2-eth: properly handle buffer size restrictions
  bpf: Restrict bpf_trace_printk()'s %s usage and add %pks, %pus specifier
  bpf: Add bpf_probe_read_{user, kernel}_str() to do_refine_retval_range
  bpf: Restrict bpf_probe_read{, str}() only to archs where they work
  MAINTAINERS: Mark networking drivers as Maintained.
  ipmr: Add lockdep expression to ipmr_for_each_table macro
  ipmr: Fix RCU list debugging warning
  drivers: net: hamradio: Fix suspicious RCU usage warning in bpqether.c
  net: phy: broadcom: fix BCM54XX_SHD_SCR3_TRDDAPD value for BCM54810
  tcp: fix error recovery in tcp_zerocopy_receive()
  MAINTAINERS: Add Jakub to networking drivers.
  MAINTAINERS: another add of Karsten Graul for S390 networking
  drivers: ipa: fix typos for ipa_smp2p structure doc
  pppoe: only process PADT targeted at local interfaces
  selftests/bpf: Enforce returning 0 for fentry/fexit programs
  bpf: Enforce returning 0 for fentry/fexit progs
  net: stmmac: fix num_por initialization
  security: Fix the default value of secid_to_secctx hook
  libbpf: Fix register naming in PT_REGS s390 macros
  ...
2020-05-15 13:10:06 -07:00
Daniel Borkmann 0ebeea8ca8 bpf: Restrict bpf_probe_read{, str}() only to archs where they work
Given the legacy bpf_probe_read{,str}() BPF helpers are broken on archs
with overlapping address ranges, we should really take the next step to
disable them from BPF use there.

To generally fix the situation, we've recently added new helper variants
bpf_probe_read_{user,kernel}() and bpf_probe_read_{user,kernel}_str().
For details on them, see 6ae08ae3de ("bpf: Add probe_read_{user, kernel}
and probe_read_{user,kernel}_str helpers").

Given bpf_probe_read{,str}() have been around for ~5 years by now, there
are plenty of users at least on x86 still relying on them today, so we
cannot remove them entirely w/o breaking the BPF tracing ecosystem.

However, their use should be restricted to archs with non-overlapping
address ranges where they are working in their current form. Therefore,
move this behind a CONFIG_ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE and
have x86, arm64, arm select it (other archs supporting it can follow-up
on it as well).

For the remaining archs, they can workaround easily by relying on the
feature probe from bpftool which spills out defines that can be used out
of BPF C code to implement the drop-in replacement for old/new kernels
via: bpftool feature probe macro

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/bpf/20200515101118.6508-2-daniel@iogearbox.net
2020-05-15 08:10:36 -07:00
Ricardo Cañuelo c8e233bfba ARM: dts: iwg20d-q7-dbcm-ca: Remove unneeded properties in hdmi@39
Remove the adi,input-style and adi,input-justification properties of
hdmi@39 to make it compliant with the "adi,adv7511w" DT binding.

Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20200511110611.3142-6-ricardo.canuelo@collabora.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-05-15 10:41:35 +02:00
Ricardo Cañuelo 572f36d450 ARM: dts: renesas: Make hdmi encoder nodes compliant with DT bindings
Small fixes to make these DTs compliant with the adi,adv7511w and
adi,adv7513 bindings:

  r8a7745-iwg22d-sodimm-dbhd-ca.dts
  r8a7790-lager.dts
  r8a7790-stout.dts
  r8a7791-koelsch.dts
  r8a7791-porter.dts
  r8a7792-blanche.dts
  r8a7793-gose.dts
  r8a7794-silk.dts:
    Remove the adi,input-style and adi,input-justification properties.

  r8a7792-wheat.dts:
    Reorder the I2C slave addresses of hdmi@3d and hdmi@39 and remove
    the adi,input-style and adi,input-justification properties.

Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://lore.kernel.org/r/20200511110611.3142-3-ricardo.canuelo@collabora.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
2020-05-15 10:42:27 +02:00
David S. Miller d00f26b623 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says:

====================
pull-request: bpf-next 2020-05-14

The following pull-request contains BPF updates for your *net-next* tree.

The main changes are:

1) Merged tag 'perf-for-bpf-2020-05-06' from tip tree that includes CAP_PERFMON.

2) support for narrow loads in bpf_sock_addr progs and additional
   helpers in cg-skb progs, from Andrey.

3) bpf benchmark runner, from Andrii.

4) arm and riscv JIT optimizations, from Luke.

5) bpf iterator infrastructure, from Yonghong.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-14 20:31:21 -07:00
Arnd Bergmann 6034cc5a37 - mach-oxnas: make ox820_boot_secondary static to fix sparse warning
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Merge tag 'arm-soc-fixes-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/narmstrong/linux-oxnas into arm/fixes

- mach-oxnas: make ox820_boot_secondary static to fix sparse warning

* tag 'arm-soc-fixes-for-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/narmstrong/linux-oxnas:
  ARM: oxnas: make ox820_boot_secondary static

Link: https://lore.kernel.org/r/95bf4813-93a1-735d-1d27-2cbe59986845@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-14 00:08:07 +02:00
Arnd Bergmann deca1d1c3c Fixes for omaps for v5.6-rc cycle
Few device tree fixes for various devices:
 
 - A regression fix for non-existing can device on am534x-idk
 
 - Fix missing dma-ranges for dra7 pcie
 
 - Fix flakey wlan on droid4 where some devices would not connect
   at all because of internal pull being used with an external pull
 
 - Fix occasional missed wake-up events on droid4 modem uart
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Merge tag 'omap-for-v5.6/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

Fixes for omaps for v5.6-rc cycle

Few device tree fixes for various devices:

- A regression fix for non-existing can device on am534x-idk

- Fix missing dma-ranges for dra7 pcie

- Fix flakey wlan on droid4 where some devices would not connect
  at all because of internal pull being used with an external pull

- Fix occasional missed wake-up events on droid4 modem uart

* tag 'omap-for-v5.6/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: omap4-droid4: Fix occasional lost wakeirq for uart1
  ARM: dts: omap4-droid4: Fix flakey wlan by disabling internal pull for gpio
  ARM: dts: dra7: Fix bus_dma_limit for PCIe
  ARM: dts: am574x-idk: Disable m_can node

Link: https://lore.kernel.org/r/pull-1588872844-804667@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-14 00:06:44 +02:00
Arnd Bergmann 3b3e88e067 Some fixes for the newly added Pinebook Pro and other fixes to
make dtc and the new dtscheck against yaml bindings happy.
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Merge tag 'v5.7-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes

Some fixes for the newly added Pinebook Pro and other fixes to
make dtc and the new dtscheck against yaml bindings happy.

* tag 'v5.7-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: dts: rockchip: fix pinctrl sub nodename for spi in rk322x.dtsi
  arm64: dts: rockchip: Fix Pinebook Pro FUSB302 interrupt
  ARM: dts: rockchip: swap clock-names of gpu nodes
  arm64: dts: rockchip: swap interrupts interrupt-names rk3399 gpu node
  arm64: dts: rockchip: fix status for &gmac2phy in rk3328-evb.dts
  arm64: dts: rockchip: remove extra assigned-clocks property from &gmac2phy node in rk3328-evb.dts
  ARM: dts: rockchip: fix phy nodename for rk3229-xms6
  ARM: dts: rockchip: fix phy nodename for rk3228-evb
  arm64: dts: rockchip: Rename dwc3 device nodes on rk3399 to make dtc happy
  arm64: dts: rockchip: drop #address-cells, #size-cells from rk3399 pmugrf node
  arm64: dts: rockchip: drop #address-cells, #size-cells from rk3328 grf node
  arm64: dts: rockchip: drop non-existent gmac2phy pinmux options from rk3328
  arm64: dts: rockchip: Replace RK805 PMIC node name with "pmic" on rk3328 boards
  arm64: dts: rockchip: enable DC charger detection pullup on Pinebook Pro
  arm64: dts: rockchip: fix inverted headphone detection on Pinebook Pro
  arm64: dts: rockchip: Correct PMU compatibles for PX30 and RK3308

Link: https://lore.kernel.org/r/1738941.6LdaBJIBqS@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-14 00:02:56 +02:00
Arnd Bergmann 5258bba832 Renesas fixes for v5.7
- Fix IOMMU support on R-Car V3H,
   - Minor fixes that are fast-tracked to avoid introducing regressions
     during conversion of DT bindings to json-schema.
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Merge tag 'renesas-fixes-for-v5.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/fixes

Renesas fixes for v5.7

  - Fix IOMMU support on R-Car V3H,
  - Minor fixes that are fast-tracked to avoid introducing regressions
    during conversion of DT bindings to json-schema.

* tag 'renesas-fixes-for-v5.7-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  ARM: dts: r7s9210: Remove bogus clock-names from OSTM nodes
  arm64: dts: renesas: r8a77980: Fix IPMMU VIP[01] nodes
  ARM: dts: r8a73a4: Add missing CMT1 interrupts

Link: https://lore.kernel.org/r/20200430084834.1384-1-geert+renesas@glider.be
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-14 00:01:07 +02:00
Arnd Bergmann 896e18f4dc i.MX fixes for 5.7:
- Set correct AHB clock for i.MX8MN SDMA1 device to fix a "Timeout
    waiting for CH0" error.
  - Fix a linker error for i.MX6 configurations that have ARM_CPU_SUSPEND=n,
    which can happen if neither CONFIG_PM, CONFIG_CPU_IDLE, nor ARM_PSCI_FW
    are selected.
  - Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board.
  - Fix i.MX8M  AIPS 'reg' properties to remove DTC simple_bus_reg
    warnings.
  - Add missing compatible "fsl,vf610-edma" for LS1028A EDMA device, so
    that bootloader can fix up the IOMMU entries there.  Otherwise, EDMA
    just doesn't work on LS1028A with shipped bootloader.
  - Fix imx6dl-yapp4-ursa board Ethernet connection.
  - Fix input_val for AUDIOMIX_BIT_STREAM pinctrl defines on i.MX8MP
    according to Reference Manual.
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Merge tag 'imx-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.7:

 - Set correct AHB clock for i.MX8MN SDMA1 device to fix a "Timeout
   waiting for CH0" error.
 - Fix a linker error for i.MX6 configurations that have ARM_CPU_SUSPEND=n,
   which can happen if neither CONFIG_PM, CONFIG_CPU_IDLE, nor ARM_PSCI_FW
   are selected.
 - Fix I2C1 pinctrl configuration for i.MX27 phytec-phycard board.
 - Fix i.MX8M  AIPS 'reg' properties to remove DTC simple_bus_reg
   warnings.
 - Add missing compatible "fsl,vf610-edma" for LS1028A EDMA device, so
   that bootloader can fix up the IOMMU entries there.  Otherwise, EDMA
   just doesn't work on LS1028A with shipped bootloader.
 - Fix imx6dl-yapp4-ursa board Ethernet connection.
 - Fix input_val for AUDIOMIX_BIT_STREAM pinctrl defines on i.MX8MP
   according to Reference Manual.

* tag 'imx-fixes-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: freescale: imx8mp: update input_val for AUDIOMIX_BIT_STREAM
  arm64: dts: imx8m: Fix AIPS reg properties
  arm64: dts: imx8mn: Change SDMA1 ahb clock for imx8mn
  ARM: dts: imx27-phytec-phycard-s-rdk: Fix the I2C1 pinctrl entries
  ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
  ARM: dts: imx6dl-yapp4: Fix Ursa board Ethernet connection
  arm64: dts: ls1028a: add "fsl,vf610-edma" compatible
  dt-bindings: dma: fsl-edma: fix ls1028a-edma compatible

Link: https://lore.kernel.org/r/20200429063226.GT32592@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-05-14 00:00:07 +02:00
Clay McClure 92db978f0d net: ethernet: ti: Remove TI_CPTS_MOD workaround
My recent commit b6d49cab44 ("net: Make PTP-specific drivers depend on
PTP_1588_CLOCK") exposes a missing dependency in defconfigs that select
TI_CPTS without selecting PTP_1588_CLOCK, leading to linker errors of the
form:

drivers/net/ethernet/ti/cpsw.o: in function `cpsw_ndo_stop':
cpsw.c:(.text+0x680): undefined reference to `cpts_unregister'
 ...

That's because TI_CPTS_MOD (which is the symbol gating the _compilation_ of
cpts.c) now depends on PTP_1588_CLOCK, and so is not enabled in these
configurations, but TI_CPTS (which is the symbol gating _calls_ to the cpts
functions) _is_ enabled. So we end up compiling calls to functions that
don't exist, resulting in the linker errors.

This patch fixes build errors and restores previous behavior by:
 - ensure PTP_1588_CLOCK=y in TI specific configs and CPTS will be built
 - remove TI_CPTS_MOD and, instead, add dependencies from CPTS in
   TI_CPSW/TI_KEYSTONE_NETCP/TI_CPSW_SWITCHDEV as below:

   config TI_CPSW_SWITCHDEV
   ...
    depends on TI_CPTS || !TI_CPTS

   which will ensure proper dependencies PTP_1588_CLOCK -> TI_CPTS ->
TI_CPSW/TI_KEYSTONE_NETCP/TI_CPSW_SWITCHDEV and build type selection.

Note. For NFS boot + CPTS all of above configs have to be built-in.

Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dan Murphy <dmurphy@ti.com>
Cc: Tony Lindgren <tony@atomide.com>
Fixes: b6d49cab44 ("net: Make PTP-specific drivers depend on PTP_1588_CLOCK")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Clay McClure <clay@daemons.net>
[grygorii.strashko@ti.com: rewording, add deps cpsw/netcp from cpts, drop IS_REACHABLE]
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-12 12:33:27 -07:00
Ma Feng bd84dff021 ARM: oxnas: make ox820_boot_secondary static
Fix sparse warning:

arch/arm/mach-oxnas/platsmp.c:30:12: warning: symbol 'ox820_boot_secondary' was
not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Ma Feng <mafeng.ma@huawei.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Fixes: af76e806b5 ("ARM: oxnas: Add OX820 SMP support")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/1589247973-29728-1-git-send-email-mafeng.ma@huawei.com
2020-05-12 10:29:33 +02:00
Geert Uytterhoeven e47cb97f15 ARM: dts: r8a7740: Add missing extal2 to CPG node
The Clock Pulse Generator (CPG) device node lacks the extal2 clock.
This may lead to a failure registering the "r" clock, or to a wrong
parent for the "usb24s" clock, depending on MD_CK2 pin configuration and
boot loader CPG_USBCKCR register configuration.

This went unnoticed, as this does not affect the single upstream board
configuration, which relies on the first clock input only.

Fixes: d9ffd583bf ("ARM: shmobile: r8a7740: add SoC clocks to DTS")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Link: https://lore.kernel.org/r/20200508095918.6061-1-geert+renesas@glider.be
2020-05-11 10:31:24 +02:00
David S. Miller 3793faad7b Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts were all overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-06 22:10:13 -07:00
Thomas Gleixner 8101b5a153 ARM: futex: Address build warning
Stephen reported the following build warning on a ARM multi_v7_defconfig
build with GCC 9.2.1:

kernel/futex.c: In function 'do_futex':
kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this function [-Wmaybe-uninitialized]
 1676 |   return oldval == cmparg;
      |          ~~~~~~~^~~~~~~~~
kernel/futex.c:1652:6: note: 'oldval' was declared here
 1652 |  int oldval, ret;
      |      ^~~~~~

introduced by commit a08971e948 ("futex: arch_futex_atomic_op_inuser()
calling conventions change").

While that change should not make any difference it confuses GCC which
fails to work out that oldval is not referenced when the return value is
not zero.

GCC fails to properly analyze arch_futex_atomic_op_inuser(). It's not the
early return, the issue is with the assembly macros. GCC fails to detect
that those either set 'ret' to 0 and set oldval or set 'ret' to -EFAULT
which makes oldval uninteresting. The store to the callsite supplied oldval
pointer is conditional on ret == 0.

The straight forward way to solve this is to make the store unconditional.

Aside of addressing the build warning this makes sense anyway because it
removes the conditional from the fastpath. In the error case the stored
value is uninteresting and the extra store does not matter at all.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/87pncao2ph.fsf@nanos.tec.linutronix.de
2020-05-07 00:41:47 +02:00
Linus Torvalds 3c40cdb0e9 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
 "This fixes a potential scheduling latency problem for the algorithms
  used by WireGuard"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  crypto: arch/nhpoly1305 - process in explicit 4k chunks
  crypto: arch/lib - limit simd usage to 4k chunks
2020-05-06 10:20:00 -07:00
Tony Lindgren 738b150ece ARM: dts: omap4-droid4: Fix occasional lost wakeirq for uart1
Looks like using the UART CTS pin does not always trigger for a wake-up
when the SoC is idle.

This is probably because the modem first uses gpio_149 to signal the SoC
that data will be sent, and the CTS will only get used later when the
data transfer is starting.

Let's fix the issue by configuring the gpio_149 pad as the wakeirq for
UART. We have gpio_149 managed by the USB PHY for powering up the right
USB mode, and after that, the gpio gets recycled as the modem wake-up
pin. If needeed, the USB PHY can also later on be configured to use
gpio_149 pad as the wakeirq as a shared irq.

Let's also configure the missing properties for uart-has-rtscts and
current-speed for the modem port while at it. We already configure the
hardware flow control pins with uart1_pins pinctrl setting.

Cc: maemo-leste@lists.dyne.org
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-05-05 10:19:39 -07:00
Tony Lindgren 30fa60c678 ARM: dts: omap4-droid4: Fix flakey wlan by disabling internal pull for gpio
The wlan on droid4 is flakey on some devices, and experiments have shown this
gets fixed if we disable the internal pull for wlan gpio interrupt line.

The symptoms are that the wlan connection is very slow and almost useless
with lots of wlcore firmware reboot warnings in the dmesg.

In addition to configuring the wlan gpio pulls, let's also configure the rest
of the wlan sd pins. We have not configured those eariler as we're booting
using kexec.

Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-05-05 10:19:23 -07:00
Luke Nelson c648c9c742 bpf, arm: Optimize ALU ARSH K using asr immediate instruction
This patch adds an optimization that uses the asr immediate instruction
for BPF_ALU BPF_ARSH BPF_K, rather than loading the immediate to
a temporary register. This is similar to existing code for handling
BPF_ALU BPF_{LSH,RSH} BPF_K. This optimization saves two instructions
and is more consistent with LSH and RSH.

Example of the code generated for BPF_ALU32_IMM(BPF_ARSH, BPF_REG_0, 5)
before the optimization:

  2c:  mov    r8, #5
  30:  mov    r9, #0
  34:  asr    r0, r0, r8

and after optimization:

  2c:  asr    r0, r0, #5

Tested on QEMU using lib/test_bpf and test_verifier.

Co-developed-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Luke Nelson <luke.r.nels@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200501020210.32294-3-luke.r.nels@gmail.com
2020-05-04 17:04:42 +02:00
Luke Nelson cf48db69bd bpf, arm: Optimize ALU64 ARSH X using orrpl conditional instruction
This patch optimizes the code generated by emit_a32_arsh_r64, which
handles the BPF_ALU64 BPF_ARSH BPF_X instruction.

The original code uses a conditional B followed by an unconditional ORR.
The optimization saves one instruction by removing the B instruction
and using a conditional ORR (with an inverted condition).

Example of the code generated for BPF_ALU64_REG(BPF_ARSH, BPF_REG_0,
BPF_REG_1), before optimization:

  34:  rsb    ip, r2, #32
  38:  subs   r9, r2, #32
  3c:  lsr    lr, r0, r2
  40:  orr    lr, lr, r1, lsl ip
  44:  bmi    0x4c
  48:  orr    lr, lr, r1, asr r9
  4c:  asr    ip, r1, r2
  50:  mov    r0, lr
  54:  mov    r1, ip

and after optimization:

  34:  rsb    ip, r2, #32
  38:  subs   r9, r2, #32
  3c:  lsr    lr, r0, r2
  40:  orr    lr, lr, r1, lsl ip
  44:  orrpl  lr, lr, r1, asr r9
  48:  asr    ip, r1, r2
  4c:  mov    r0, lr
  50:  mov    r1, ip

Tested on QEMU using lib/test_bpf and test_verifier.

Co-developed-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Luke Nelson <luke.r.nels@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200501020210.32294-2-luke.r.nels@gmail.com
2020-05-04 17:04:42 +02:00
Robert Marko 9c8c0f70ec ARM: dts: qcom: ipq4019: add MDIO node
This patch adds the necessary MDIO interface node
to the Qualcomm IPQ4019 DTSI.

Built-in QCA8337N switch is managed using it,
and since we have a driver for it lets add it.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Luka Perkov <luka.perkov@sartura.hr>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-04-30 12:11:14 -07:00
Jason A. Donenfeld a9a8ba90fa crypto: arch/nhpoly1305 - process in explicit 4k chunks
Rather than chunking via PAGE_SIZE, this commit changes the arch
implementations to chunk in explicit 4k parts, so that calculations on
maximum acceptable latency don't suddenly become invalid on platforms
where PAGE_SIZE isn't 4k, such as arm64.

Fixes: 0f961f9f67 ("crypto: x86/nhpoly1305 - add AVX2 accelerated NHPoly1305")
Fixes: 012c82388c ("crypto: x86/nhpoly1305 - add SSE2 accelerated NHPoly1305")
Fixes: a00fa0c887 ("crypto: arm64/nhpoly1305 - add NEON-accelerated NHPoly1305")
Fixes: 16aae3595a ("crypto: arm/nhpoly1305 - add NEON-accelerated NHPoly1305")
Cc: stable@vger.kernel.org
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-04-30 15:16:59 +10:00
Jason A. Donenfeld 706024a52c crypto: arch/lib - limit simd usage to 4k chunks
The initial Zinc patchset, after some mailing list discussion, contained
code to ensure that kernel_fpu_enable would not be kept on for more than
a 4k chunk, since it disables preemption. The choice of 4k isn't totally
scientific, but it's not a bad guess either, and it's what's used in
both the x86 poly1305, blake2s, and nhpoly1305 code already (in the form
of PAGE_SIZE, which this commit corrects to be explicitly 4k for the
former two).

Ard did some back of the envelope calculations and found that
at 5 cycles/byte (overestimate) on a 1ghz processor (pretty slow), 4k
means we have a maximum preemption disabling of 20us, which Sebastian
confirmed was probably a good limit.

Unfortunately the chunking appears to have been left out of the final
patchset that added the glue code. So, this commit adds it back in.

Fixes: 84e03fa39f ("crypto: x86/chacha - expose SIMD ChaCha routine as library function")
Fixes: b3aad5bad2 ("crypto: arm64/chacha - expose arm64 ChaCha routine as library function")
Fixes: a44a3430d7 ("crypto: arm/chacha - expose ARM ChaCha routine as library function")
Fixes: d7d7b85356 ("crypto: x86/poly1305 - wire up faster implementations for kernel")
Fixes: f569ca1647 ("crypto: arm64/poly1305 - incorporate OpenSSL/CRYPTOGAMS NEON implementation")
Fixes: a6b803b3dd ("crypto: arm/poly1305 - incorporate OpenSSL/CRYPTOGAMS NEON implementation")
Fixes: ed0356eda1 ("crypto: blake2s - x86_64 SIMD implementation")
Cc: Eric Biggers <ebiggers@google.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: stable@vger.kernel.org
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2020-04-30 15:16:59 +10:00
Geert Uytterhoeven b704fc1da9 ARM: dts: r7s9210: Remove bogus clock-names from OSTM nodes
Usually it does not hurt to add "clock-names" properties, even if the
(pre-json-schema) DT bindings do not mention them.

However, the actual clock names for the OS Timer nodes are not fixed,
but contain the indices of the consumer instances.  Hence they cannot
easily be used by a driver, without scanning for all possible indices.

Remove them, as the OSTM DT bindings do not specify clock-names anyway.

Fixes: bbbcd02b82 ("ARM: dts: r7s9210: Initial SoC device tree")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Chris Brandt <Chris.Brandt@renesas.com>
Link: https://lore.kernel.org/r/20200427192932.28967-1-geert+renesas@glider.be
2020-04-28 10:15:38 +02:00
Johan Jonker 855bdca178 ARM: dts: rockchip: fix pinctrl sub nodename for spi in rk322x.dtsi
A test with the command below gives these errors:

arch/arm/boot/dts/rk3229-evb.dt.yaml: spi-0:
'#address-cells' is a required property
arch/arm/boot/dts/rk3229-evb.dt.yaml: spi-1:
'#address-cells' is a required property
arch/arm/boot/dts/rk3229-xms6.dt.yaml: spi-0:
'#address-cells' is a required property
arch/arm/boot/dts/rk3229-xms6.dt.yaml: spi-1:
'#address-cells' is a required property

The $nodename pattern for spi nodes is
"^spi(@.*|-[0-9a-f])*$". To prevent warnings rename
'spi-0' and 'spi-1' pinctrl sub nodenames to
'spi0' and 'spi1' in 'rk322x.dtsi'.

make ARCH=arm dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/spi/spi-controller.yaml

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200424123923.8192-1-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-04-27 21:36:31 +02:00
Johan Jonker b14f3898d2 ARM: dts: rockchip: swap clock-names of gpu nodes
Dts files with Rockchip 'gpu' nodes were manually verified.
In order to automate this process arm,mali-utgard.txt
has been converted to yaml. In the new setup dtbs_check with
arm,mali-utgard.yaml expects clock-names values
in the same order, so fix that.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200425192500.1808-1-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
2020-04-27 21:32:12 +02:00
Johan Jonker 621c8d0c23 ARM: dts: rockchip: fix phy nodename for rk3229-xms6
A test with the command below gives for example this error:

arch/arm/boot/dts/rk3229-xms6.dt.yaml: phy@0:
'#phy-cells' is a required property

The phy nodename is normally used by a phy-handle.
This node is however compatible with
"ethernet-phy-id1234.d400", "ethernet-phy-ieee802.3-c22"
which is just been added to 'ethernet-phy.yaml'.
So change nodename to 'ethernet-phy' for which '#phy-cells'
is not a required property

make ARCH=arm dtbs_check
DT_SCHEMA_FILES=~/.local/lib/python3.5/site-packages/dtschema/schemas/
phy/phy-provider.yaml

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20200416170321.4216-2-jbx6244@gmail.com
2020-04-27 21:30:52 +02:00
Johan Jonker 287e0d538f ARM: dts: rockchip: fix phy nodename for rk3228-evb
A test with the command below gives for example this error:

arch/arm/boot/dts/rk3228-evb.dt.yaml: phy@0:
'#phy-cells' is a required property

The phy nodename is normally used by a phy-handle.
This node is however compatible with
"ethernet-phy-id1234.d400", "ethernet-phy-ieee802.3-c22"
which is just been added to 'ethernet-phy.yaml'.
So change nodename to 'ethernet-phy' for which '#phy-cells'
is not a required property

make ARCH=arm dtbs_check
DT_SCHEMA_FILES=~/.local/lib/python3.5/site-packages/dtschema/schemas/
phy/phy-provider.yaml

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20200416170321.4216-1-jbx6244@gmail.com
2020-04-27 21:30:37 +02:00
Linus Torvalds b9916af776 Kbuild fixes for v5.7
- fix scripts/config to properly handle ':' in string type CONFIG options
 
  - fix unneeded rebuilds of DT schema check rule
 
  - git rid of ordering dependency between <linux/vermagic.h> and
    <linux/module.h> to fix build errors in some network drivers
 
  - clean up generated headers of host arch with 'make ARCH=um mrproper'
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Merge tag 'kbuild-fixes-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild fixes from Masahiro Yamada:

 - fix scripts/config to properly handle ':' in string type CONFIG
   options

 - fix unneeded rebuilds of DT schema check rule

 - git rid of ordering dependency between <linux/vermagic.h> and
   <linux/module.h> to fix build errors in some network drivers

 - clean up generated headers of host arch with 'make ARCH=um mrproper'

* tag 'kbuild-fixes-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  h8300: ignore vmlinux.lds
  Documentation: kbuild: fix the section title format
  um: ensure `make ARCH=um mrproper` removes arch/$(SUBARCH)/include/generated/
  arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>
  kbuild: fix DT binding schema rule again to avoid needless rebuilds
  scripts/config: allow colons in option strings for sed
2020-04-24 10:39:32 -07:00
Linus Torvalds 7adc4b3999 ARM: SoC fixes
A few smaller fixes for v5.7-rc3: The majority are fixes for bugs I found
 after restarting my randconfig build testing that had been dormant for
 a while.
 
 On the Nokia N950/N9 phone, a DT fix is required to address a boot
 regression.
 
 For the bcm283x (Raspberry Pi), two DT fixes address minor issues.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "A few smaller fixes for v5.7-rc3: The majority are fixes for bugs I
  found after restarting my randconfig build testing that had been
  dormant for a while.

  On the Nokia N950/N9 phone, a DT fix is required to address a boot
  regression.

  For the bcm283x (Raspberry Pi), two DT fixes address minor issues"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  soc: imx8: select SOC_BUS
  soc: tegra: fix tegra_pmc_get_suspend_mode definition
  soc: fsl: dpio: avoid stack usage warning
  soc: fsl: dpio: fix incorrect pointer conversions
  ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
  ARM: dts: bcm283x: Disable dsi0 node
  firmware: xilinx: make firmware_debugfs_root static
  drivers: soc: xilinx: fix firmware driver Kconfig dependency
  ARM: dts: bcm283x: Add cells encoding format to firmware bus
  ARM: dts: OMAP3: disable RNG on N950/N9
2020-04-23 09:36:40 -07:00
Arnd Bergmann f42ae4cd4c This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.7, please pull the following:
 
 - Nicolas provides a fix for 55c7c06210 ("ARM: dts: bcm283x: Fix vc4's
   firmware bus DMA limitations") which missed adding proper
   #address-cells and #size-cells properties and he also disables the DSI
   node which should have been disabled by default but was not.
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Merge tag 'arm-soc/for-5.7/devicetree-fixes' of https://github.com/Broadcom/stblinux into arm/fixes

This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.7, please pull the following:

- Nicolas provides a fix for 55c7c06210 ("ARM: dts: bcm283x: Fix vc4's
  firmware bus DMA limitations") which missed adding proper
  #address-cells and #size-cells properties and he also disables the DSI
  node which should have been disabled by default but was not.

* tag 'arm-soc/for-5.7/devicetree-fixes' of https://github.com/Broadcom/stblinux:
  ARM: dts: bcm283x: Disable dsi0 node
  ARM: dts: bcm283x: Add cells encoding format to firmware bus

Link: https://lore.kernel.org/r/20200417171725.1084-1-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-04-23 17:12:48 +02:00
Fabio Estevam 0caf34350a ARM: dts: imx27-phytec-phycard-s-rdk: Fix the I2C1 pinctrl entries
The I2C2 pins are already used and the following errors are seen:

imx27-pinctrl 10015000.iomuxc: pin MX27_PAD_I2C2_SDA already requested by 10012000.i2c; cannot claim for 1001d000.i2c
imx27-pinctrl 10015000.iomuxc: pin-69 (1001d000.i2c) status -22
imx27-pinctrl 10015000.iomuxc: could not request pin 69 (MX27_PAD_I2C2_SDA) from group i2c2grp  on device 10015000.iomuxc
imx-i2c 1001d000.i2c: Error applying setting, reverse things back
imx-i2c: probe of 1001d000.i2c failed with error -22

Fix it by adding the correct I2C1 IOMUX entries for the pinctrl_i2c1 group.

Cc: <stable@vger.kernel.org>
Fixes: 61664d0b43 ("ARM: dts: imx27 phyCARD-S pinctrl")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Stefan Riedmueller <s.riedmueller@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-04-23 22:48:56 +08:00
Masahiro Yamada 62d0fd591d arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>
As the bug report [1] pointed out, <linux/vermagic.h> must be included
after <linux/module.h>.

I believe we should not impose any include order restriction. We often
sort include directives alphabetically, but it is just coding style
convention. Technically, we can include header files in any order by
making every header self-contained.

Currently, arch-specific MODULE_ARCH_VERMAGIC is defined in
<asm/module.h>, which is not included from <linux/vermagic.h>.

Hence, the straight-forward fix-up would be as follows:

|--- a/include/linux/vermagic.h
|+++ b/include/linux/vermagic.h
|@@ -1,5 +1,6 @@
| /* SPDX-License-Identifier: GPL-2.0 */
| #include <generated/utsrelease.h>
|+#include <linux/module.h>
|
| /* Simply sanity version stamp for modules. */
| #ifdef CONFIG_SMP

This works enough, but for further cleanups, I split MODULE_ARCH_VERMAGIC
definitions into <asm/vermagic.h>.

With this, <linux/module.h> and <linux/vermagic.h> will be orthogonal,
and the location of MODULE_ARCH_VERMAGIC definitions will be consistent.

For arc and ia64, MODULE_PROC_FAMILY is only used for defining
MODULE_ARCH_VERMAGIC. I squashed it.

For hexagon, nds32, and xtensa, I removed <asm/modules.h> entirely
because they contained nothing but MODULE_ARCH_VERMAGIC definition.
Kbuild will automatically generate <asm/modules.h> at build-time,
wrapping <asm-generic/module.h>.

[1] https://lore.kernel.org/lkml/20200411155623.GA22175@zn.tnic

Reported-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Jessica Yu <jeyu@kernel.org>
2020-04-23 10:50:26 +09:00
Tony Lindgren 175ae3ad59 Merge branch 'fixes-v5.7' into fixes 2020-04-21 09:36:03 -07:00
Kishon Vijay Abraham I 90d4d3f4ea ARM: dts: dra7: Fix bus_dma_limit for PCIe
Even though commit cfb5d65f25 ("ARM: dts: dra7: Add bus_dma_limit
for L3 bus") added bus_dma_limit for L3 bus, the PCIe controller
gets incorrect value of bus_dma_limit.

Fix it by adding empty dma-ranges property to axi@0 and axi@1
(parent device tree node of PCIe controller).

Cc: stable@kernel.org
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-04-21 09:33:22 -07:00
Faiz Abbas b0bbc039d0 ARM: dts: am574x-idk: Disable m_can node
Since commit bcbb63b802 ("ARM: dts: dra7: Separate AM57 dtsi files"),
the m_can node was inherited from dra76x.dtsi but the IP is not
connected on the idk board. Disable the node to reflect this.

Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2020-04-21 09:32:34 -07:00
Ahmad Fatoum 3100423dc1 ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
512a928aff ("ARM: imx: build v7_cpu_resume() unconditionally")
introduced an unintended linker error for i.MX6 configurations that have
ARM_CPU_SUSPEND=n which can happen if neither CONFIG_PM, CONFIG_CPU_IDLE,
nor ARM_PSCI_FW are selected.

Fix this by having v7_cpu_resume() compiled only when cpu_resume() it
calls is available as well.

The C declaration for the function remains unguarded to avoid future code
inadvertently using a stub and introducing a regression to the bug the
original commit fixed.

Cc: <stable@vger.kernel.org>
Fixes: 512a928aff ("ARM: imx: build v7_cpu_resume() unconditionally")
Reported-by: Clemens Gruber <clemens.gruber@pqgruber.com>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-04-21 11:21:00 +08:00
Arnd Bergmann d6b0a5b3ab Boot regression fix for N950/N9
We need to tag RNG as disabled for N950/N9 as it blocked by the secure
 mode. We have a similar change done for N900, but I missed adding it
 for N950/N9 with the recent RNG changes.
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Merge tag 'omap-for-v5.6/fixes-rc7-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

Boot regression fix for N950/N9

We need to tag RNG as disabled for N950/N9 as it blocked by the secure
mode. We have a similar change done for N900, but I missed adding it
for N950/N9 with the recent RNG changes.

* tag 'omap-for-v5.6/fixes-rc7-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: OMAP3: disable RNG on N950/N9

Link: https://lore.kernel.org/r/pull-1585340588-558327@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-04-20 21:42:20 +02:00
Geert Uytterhoeven 0f739fdfe9 ARM: dts: r8a73a4: Add missing CMT1 interrupts
The R-Mobile APE6 Compare Match Timer 1 generates 8 interrupts, one for
each channel, but currently only 1 is described.
Fix this by adding the missing interrupts.

Fixes: f7b6523001 ("ARM: shmobile: r8a73a4: Add CMT1 node")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200408090926.25201-1-geert+renesas@glider.be
2020-04-20 10:52:06 +02:00
Linus Torvalds d0a4ebe7d1 xen: branch for v5.7-rc2
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Merge tag 'for-linus-5.7-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen update from Juergen Gross:

 - a small cleanup patch

 - a security fix for a bug in the Xen hypervisor to avoid enabling Xen
   guests to crash dom0 on an unfixed hypervisor.

* tag 'for-linus-5.7-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  arm/xen: make _xen_start_info static
  xen/xenbus: ensure xenbus_map_ring_valloc() returns proper grant status
2020-04-17 10:35:17 -07:00
Ahmad Fatoum f1baca8896 ARM: imx: provide v7_cpu_resume() only on ARM_CPU_SUSPEND=y
512a928aff ("ARM: imx: build v7_cpu_resume() unconditionally")
introduced an unintended linker error for i.MX6 configurations that have
ARM_CPU_SUSPEND=n which can happen if neither CONFIG_PM, CONFIG_CPU_IDLE,
nor ARM_PSCI_FW are selected.

Fix this by having v7_cpu_resume() compiled only when cpu_resume() it
calls is available as well.

The C declaration for the function remains unguarded to avoid future code
inadvertently using a stub and introducing a regression to the bug the
original commit fixed.

Cc: <stable@vger.kernel.org>
Fixes: 512a928aff ("ARM: imx: build v7_cpu_resume() unconditionally")
Reported-by: Clemens Gruber <clemens.gruber@pqgruber.com>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Tested-by: Roland Hieber <rhi@pengutronix.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2020-04-17 16:29:59 +02:00
Jason Yan 74f4c438f2 arm/xen: make _xen_start_info static
Fix the following sparse warning:

arch/arm64/xen/../../arm/xen/enlighten.c:39:19: warning: symbol
'_xen_start_info' was not declared. Should it be static?

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Jason Yan <yanaijie@huawei.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Link: https://lore.kernel.org/r/20200415084853.5808-1-yanaijie@huawei.com
Signed-off-by: Juergen Gross <jgross@suse.com>
2020-04-17 07:45:12 +02:00
Linus Torvalds c8372665b4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Disable RISCV BPF JIT builds when !MMU, from Björn Töpel.

 2) nf_tables leaves dangling pointer after free, fix from Eric Dumazet.

 3) Out of boundary write in __xsk_rcv_memcpy(), fix from Li RongQing.

 4) Adjust icmp6 message source address selection when routes have a
    preferred source address set, from Tim Stallard.

 5) Be sure to validate HSR protocol version when creating new links,
    from Taehee Yoo.

 6) CAP_NET_ADMIN should be sufficient to manage l2tp tunnels even in
    non-initial namespaces, from Michael Weiß.

 7) Missing release firmware call in mlx5, from Eran Ben Elisha.

 8) Fix variable type in macsec_changelink(), caught by KASAN. Fix from
    Taehee Yoo.

 9) Fix pause frame negotiation in marvell phy driver, from Clemens
    Gruber.

10) Record RX queue early enough in tun packet paths such that XDP
    programs will see the correct RX queue index, from Gilberto Bertin.

11) Fix double unlock in mptcp, from Florian Westphal.

12) Fix offset overflow in ARM bpf JIT, from Luke Nelson.

13) marvell10g needs to soft reset PHY when coming out of low power
    mode, from Russell King.

14) Fix MTU setting regression in stmmac for some chip types, from
    Florian Fainelli.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (101 commits)
  amd-xgbe: Use __napi_schedule() in BH context
  mISDN: make dmril and dmrim static
  net: stmmac: dwmac-sunxi: Provide TX and RX fifo sizes
  net: dsa: mt7530: fix tagged frames pass-through in VLAN-unaware mode
  tipc: fix incorrect increasing of link window
  Documentation: Fix tcp_challenge_ack_limit default value
  net: tulip: make early_486_chipsets static
  dt-bindings: net: ethernet-phy: add desciption for ethernet-phy-id1234.d400
  ipv6: remove redundant assignment to variable err
  net/rds: Use ERR_PTR for rds_message_alloc_sgs()
  net: mscc: ocelot: fix untagged packet drops when enslaving to vlan aware bridge
  selftests/bpf: Check for correct program attach/detach in xdp_attach test
  libbpf: Fix type of old_fd in bpf_xdp_set_link_opts
  libbpf: Always specify expected_attach_type on program load if supported
  xsk: Add missing check on user supplied headroom size
  mac80211: fix channel switch trigger from unknown mesh peer
  mac80211: fix race in ieee80211_register_hw()
  net: marvell10g: soft-reset the PHY when coming out of low power
  net: marvell10g: report firmware version
  net/cxgb4: Check the return from t4_query_params properly
  ...
2020-04-16 14:52:29 -07:00
Nicolas Saenz Julienne 90444b9584 ARM: dts: bcm283x: Disable dsi0 node
Since its inception the module was meant to be disabled by default, but
the original commit failed to add the relevant property.

Fixes: 4aba4cf820 ("ARM: dts: bcm2835: Add the DSI module nodes and clocks")
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
2020-04-16 13:58:02 -07:00
Luke Nelson 4178417cc5 arm, bpf: Fix offset overflow for BPF_MEM BPF_DW
This patch fixes an incorrect check in how immediate memory offsets are
computed for BPF_DW on arm.

For BPF_LDX/ST/STX + BPF_DW, the 32-bit arm JIT breaks down an 8-byte
access into two separate 4-byte accesses using off+0 and off+4. If off
fits in imm12, the JIT emits a ldr/str instruction with the immediate
and avoids the use of a temporary register. While the current check off
<= 0xfff ensures that the first immediate off+0 doesn't overflow imm12,
it's not sufficient for the second immediate off+4, which may cause the
second access of BPF_DW to read/write the wrong address.

This patch fixes the problem by changing the check to
off <= 0xfff - 4 for BPF_DW, ensuring off+4 will never overflow.

A side effect of simplifying the check is that it now allows using
negative immediate offsets in ldr/str. This means that small negative
offsets can also avoid the use of a temporary register.

This patch introduces no new failures in test_verifier or test_bpf.c.

Fixes: c5eae69257 ("ARM: net: bpf: improve 64-bit store implementation")
Fixes: ec19e02b34 ("ARM: net: bpf: fix LDX instructions")
Co-developed-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Luke Nelson <luke.r.nels@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20200409221752.28448-1-luke.r.nels@gmail.com
2020-04-14 21:27:54 +02:00
Michal Vokáč cbe63a8358 ARM: dts: imx6dl-yapp4: Fix Ursa board Ethernet connection
The Y Soft yapp4 platform supports up to two Ethernet ports.
The Ursa board though has only one Ethernet port populated and that is
the port@2. Since the introduction of this platform into mainline a wrong
port was deleted and the Ethernet could never work. Fix this by deleting
the correct port node.

Fixes: 87489ec3a7 ("ARM: dts: imx: Add Y Soft IOTA Draco, Hydra and Ursa boards")
Cc: stable@vger.kernel.org
Signed-off-by: Michal Vokáč <michal.vokac@ysoft.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2020-04-14 21:58:39 +08:00