Move the selection of the pinctrl driver to SoC family level since we
have two pinctrl drivers. It is useless to select one which is not
compatible with the SoC.
[abelloni: fixed pm.c when only sama2d2 is selected]
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
- A series of fixes to deal with the aliasing between the sp and xzr register
- A fix for the cache flush fix that went in -rc3
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Merge tag 'kvm-arm-for-v4.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into kvm-master
KVM/ARM fixes for v4.4-rc4
- A series of fixes to deal with the aliasing between the sp and xzr register
- A fix for the cache flush fix that went in -rc3
As the SDHCI controller needs the 1.8V line to be always enabled for some eMMC
configurations, set the proper "regulator-always-on" property to the board DTS
files.
Note that the sdhci classical regulator definitions doesn't suit our controller
for this 1.8V purpose.
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Commit e6fab54423 ("ARM/arm64: KVM: test properly for a PTE's
uncachedness") modified the logic to test whether a HYP or stage-2
mapping needs flushing, from [incorrectly] interpreting the page table
attributes to [incorrectly] checking whether the PFN that backs the
mapping is covered by host system RAM. The PFN number is part of the
output of the translation, not the input, so we have to use pte_pfn()
on the contents of the PTE, not __phys_to_pfn() on the HYP virtual
address or stage-2 intermediate physical address.
Fixes: e6fab54423 ("ARM/arm64: KVM: test properly for a PTE's uncachedness")
Cc: stable@vger.kernel.org
Tested-by: Pavel Fedin <p.fedin@samsung.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Using oldstyle vcpu_reg() accessor is proven to be inappropriate and
unsafe on ARM64. This patch converts the rest of use cases to new
accessors and completely removes vcpu_reg() on ARM64.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
On ARM64 register index of 31 corresponds to both zero register and SP.
However, all memory access instructions, use ZR as transfer register. SP
is used only as a base register in indirect memory addressing, or by
register-register arithmetics, which cannot be trapped here.
Correct emulation is achieved by introducing new register accessor
functions, which can do special handling for reg_num == 31. These new
accessors intentionally do not rely on old vcpu_reg() on ARM64, because
it is to be removed. Since the affected code is shared by both ARM
flavours, implementations of these accessors are also added to ARM32 code.
This patch fixes setting MMIO register to a random value (actually SP)
instead of zero by something like:
*((volatile int *)reg) = 0;
compilers tend to generate "str wzr, [xx]" here
[Marc: Fixed 32bit splat]
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Pull networking fixes from David Miller:
"A lot of Thanksgiving turkey leftovers accumulated, here goes:
1) Fix bluetooth l2cap_chan object leak, from Johan Hedberg.
2) IDs for some new iwlwifi chips, from Oren Givon.
3) Fix rtlwifi lockups on boot, from Larry Finger.
4) Fix memory leak in fm10k, from Stephen Hemminger.
5) We have a route leak in the ipv6 tunnel infrastructure, fix from
Paolo Abeni.
6) Fix buffer pointer handling in arm64 bpf JIT,f rom Zi Shen Lim.
7) Wrong lockdep annotations in tcp md5 support, fix from Eric
Dumazet.
8) Work around some middle boxes which prevent proper handling of TCP
Fast Open, from Yuchung Cheng.
9) TCP repair can do huge kmalloc() requests, build paged SKBs
instead. From Eric Dumazet.
10) Fix msg_controllen overflow in scm_detach_fds, from Daniel
Borkmann.
11) Fix device leaks on ipmr table destruction in ipv4 and ipv6, from
Nikolay Aleksandrov.
12) Fix use after free in epoll with AF_UNIX sockets, from Rainer
Weikusat.
13) Fix double free in VRF code, from Nikolay Aleksandrov.
14) Fix skb leaks on socket receive queue in tipc, from Ying Xue.
15) Fix ifup/ifdown crach in xgene driver, from Iyappan Subramanian.
16) Fix clearing of persistent array maps in bpf, from Daniel
Borkmann.
17) In TCP, for the cross-SYN case, we don't initialize tp->copied_seq
early enough. From Eric Dumazet.
18) Fix out of bounds accesses in bpf array implementation when
updating elements, from Daniel Borkmann.
19) Fill gaps in RCU protection of np->opt in ipv6 stack, from Eric
Dumazet.
20) When dumping proxy neigh entries, we have to accomodate NULL
device pointers properly, from Konstantin Khlebnikov.
21) SCTP doesn't release all ipv6 socket resources properly, fix from
Eric Dumazet.
22) Prevent underflows of sch->q.qlen for multiqueue packet
schedulers, also from Eric Dumazet.
23) Fix MAC and unicast list handling in bnxt_en driver, from Jeffrey
Huang and Michael Chan.
24) Don't actively scan radar channels, from Antonio Quartulli"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (110 commits)
net: phy: reset only targeted phy
bnxt_en: Setup uc_list mac filters after resetting the chip.
bnxt_en: enforce proper storing of MAC address
bnxt_en: Fixed incorrect implementation of ndo_set_mac_address
net: lpc_eth: remove irq > NR_IRQS check from probe()
net_sched: fix qdisc_tree_decrease_qlen() races
openvswitch: fix hangup on vxlan/gre/geneve device deletion
ipv4: igmp: Allow removing groups from a removed interface
ipv6: sctp: implement sctp_v6_destroy_sock()
arm64: bpf: add 'store immediate' instruction
ipv6: kill sk_dst_lock
ipv6: sctp: add rcu protection around np->opt
net/neighbour: fix crash at dumping device-agnostic proxy entries
sctp: use GFP_USER for user-controlled kmalloc
sctp: convert sack_needed and sack_generation to bits
ipv6: add complete rcu protection around np->opt
bpf: fix allocation warnings in bpf maps and integer overflow
mvebu: dts: enable IP checksum with jumbo frames for Armada 38x on Port0
net: mvneta: enable setting custom TX IP checksum limit
net: mvneta: fix error path for building skb
...
The Ethernet controller found in the Armada 38x SoC's family support
TCP/IP checksumming with frame sizes larger than 1600 bytes, however
only on port 0.
This commit enables it by setting 'tx-csum-limit' to 9800B in
'ethernet@70000' node.
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Under some unusual context-switching patterns, it is possible to end up
with multiple threads from the same mm running concurrently with
different ASIDs:
1. CPU x schedules task t with mm p containing ASID a and generation g
This task doesn't block and the CPU doesn't context switch.
So:
* per_cpu(active_asid, x) = {g,a}
* p->context.id = {g,a}
2. Some other CPU generates an ASID rollover. The global generation is
now (g + 1). CPU x is still running t, with no context switch and
so per_cpu(reserved_asid, x) = {g,a}
3. CPU y schedules task t', which shares mm p with t. The generation
mismatches, so we take the slowpath and hit the reserved ASID from
CPU x. p is then updated so that p->context.id = {g + 1,a}
4. CPU y schedules some other task u, which has an mm != p.
5. Some other CPU generates *another* CPU rollover. The global
generation is now (g + 2). CPU x is still running t, with no context
switch and so per_cpu(reserved_asid, x) = {g,a}.
6. CPU y once again schedules task t', but now *fails* to hit the
reserved ASID from CPU x because of the generation mismatch. This
results in a new ASID being allocated, despite the fact that t is
still running on CPU x with the same mm.
Consequently, TLBIs (e.g. as a result of CoW) will not be synchronised
between the two threads.
This patch fixes the problem by updating all of the matching reserved
ASIDs when we hit on the slowpath (i.e. in step 3 above). This keeps
the reserved ASIDs in-sync with the mm and avoids the problem.
Cc: <stable@vger.kernel.org>
Reported-by: Tony Thompson <anthony.thompson@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
So far, only the bus clock has been assigned, but in reality the
SAI IP has for clock inputs. The driver has been updated to
make use of the additional clock inputs by c3ecef21c3 ("ASoC:
fsl_sai: add sai master mode support"). Due to a bug in the
clock tree, the audio clock has been enabled none the less by
the specified bus clock (see "ARM: imx: clk-vf610: fix SAI
clock tree"), which made master mode even without the proper
clock assigned working.
This patch completes the clock definition for SAI2. On Vybrid,
only two MCLK out of the four options are available (the first
being the bus clock itself). See chapter 8.10.1.2.3 of the
Vybrid Reference manual ("SAI transmitter and receiver options
for MCLK selection"). Note: The audio clocks are only required
in master mode.
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
On ixp4xx, the readl() function returns an 'unsigned long' output
when indirect I/O is used. This is unlike any other platform, and
it causes lots of harmless compiler warnings, such as:
drivers/ata/libahci.c: In function 'ahci_show_host_version':
drivers/ata/libahci.c:254:22: warning: format '%x' expects argument of type 'unsigned int', but argument 3 has type 'long unsigned int' [-Wformat=]
drivers/block/mtip32xx/mtip32xx.c: In function 'mtip_hw_read_registers':
drivers/block/mtip32xx/mtip32xx.c:2602:31: warning: format '%X' expects argument of type 'unsigned int', but argument 3 has type 'long unsigned int' [-Wformat=]
drivers/block/cciss.c: In function 'print_cfg_table':
drivers/block/cciss.c:3845:25: warning: format '%d' expects argument of type 'int', but argument 4 has type 'long unsigned int' [-Wformat=]
This changes all six of the ixp4xx specific I/O read functions
to return the same types that we have in the normal asm/io.h,
to avoid the warnings.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Krzysztof Halasa <khalasa@piap.pl>
Enable REGULATOR_FIXED_VOLTAGE for all OMAP2+ platforms
otherwise system can't boot from SD-card when kernel is
built for single SoC (for example, with CONFIG_SOC_DRA7XX=y only).
It's also required for almost all TI SoC's platforms.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add the missing SPI controller DMA handler in the dm816x DT
node, only properties for the two channels on four were present.
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add missing #mbox-cells for dm816x mbox DT node.
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Two fixes for the ds1307 alarm and wakeup.
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Merge tag 'rtc-4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC fixes from Alexandre Belloni:
"Two fixes for the ds1307 alarm and wakeup"
* tag 'rtc-4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
rtc: ds1307: fix alarm reading at probe time
rtc: ds1307: fix kernel splat due to wakeup irq handling
Pull ARM fixes from Russell King:
"Just two changes this time around:
- wire up the new mlock2 syscall added during the last merge window
- fix a build problem with certain configurations provoked by making
CONFIG_OF user selectable"
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8454/1: OF implies OF_FLATTREE
ARM: wire up mlock2 syscall
On the ARM architecture, individual platforms select CONFIG_USE_OF if they
need it, but all device tree code is keyed off CONFIG_OF. When building
a platform without DT support and manually enabling CONFIG_OF, we now
get a number of build errors, e.g.
arch/arm/kernel/devtree.c: In function 'setup_machine_fdt':
arch/arm/kernel/devtree.c:215:19: error: implicit declaration of function 'early_init_dt_verify' [-Werror=implicit-function-declaration]
We could now try to separate the use case of booting from DT vs. the
case of using the dynamic implementation, but that seems more complicated
than it can gain us.
This simply changes the ARM Kconfig file to always enable OF_RESERVED_MEM
and OF_EARLY_FLATTREE when CONFIG_OF is enabled. These options add a little
extra code when we just want the dynamic OF implementation, but that seems
like a rather obscure case, and this version solves all CONFIG_OF related
randconfig regressions.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: 0166dc11be ("of: make CONFIG_OF user selectable")
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
NUMA
Prevent out of bounds access in numa_node override (Mathias Krause)
HiSilicon host bridge driver
Fix deferred probing (Arnd Bergmann)
Synopsys DesignWare host bridge driver
Remove incorrect io_base assignment (Stanimir Varbanov)
Move align_resource function pointer to pci_host_bridge structure (Gabriele Paoloni)
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Merge tag 'pci-v4.4-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"Here are a few fixes I'd like to have in v4.4: a generic one for sysfs
and three for HiSilicon and DesignWare host controllers.
Summary:
NUMA:
- Prevent out of bounds access in numa_node override (Mathias Krause)
HiSilicon host bridge driver:
- Fix deferred probing (Arnd Bergmann)
Synopsys DesignWare host bridge driver:
- Remove incorrect io_base assignment (Stanimir Varbanov)
- Move align_resource function pointer to pci_host_bridge structure
(Gabriele Paoloni)"
* tag 'pci-v4.4-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
ARM/PCI: Move align_resource function pointer to pci_host_bridge structure
PCI: hisi: Fix deferred probing
PCI: designware: Remove incorrect io_base assignment
PCI: Prevent out of bounds access in numa_node override
There is a small backlog of at91 patches here, the most significant is
the addition of some sama5d2 Xplained nodes that were waiting on an MFD include
file to get merged through another tree. We normally try to sort those out
before the merge window opens, but the maintainer wasn't aware of that here
and I decided to merge the changes this time as an exception.
On OMAP a series of audio changes for dra7 missed the merge window but turned
out to be necessary to fix a boot time imprecise external abort error and to
get audio working.
The other changes are the usual simple changes, here is a list sorted by
platform:
at91:
removal of a useless defconfig option
removal of some legacy DT pieces
use of the proper watchdog compatible string
update of the MAINTAINERS entries for some Atmel drivers
drivers/scpi:
hide get_scpi_ops in module from built-in code
imx:
add missing .irq_set_type for i.MX GPC irq_chip.
fix the wrong spi-num-chipselects settings for Vybrid DSPI devices.
fix a merge error in Vybrid dts regarding to ADC device property
keystone:
fix the optional PDSP firmware loading
fix linking RAM setup for QMs
fix crash with clk_ignore_unused
mediatek:
Enable SCPSYS power domain driver by default
mvebu:
fix QNAP TS219 power-off in dts
fix legacy get_irqnr_and_base for dove and orion5x
omap:
fix l4 related boot time errors for dm81xx
use lockless cldm/pwrdm api in omap4_boot_secondary
remove t410 abort handler to avoid hiding other critical errors
mark cpuidle tracepoints as _rcuidle
fix module alias for omap-ocp2scp
pxa:
palm: Fix typos in PWM lookup table code
renesas:
missing __initconst annotation for r8a7793_boards_compat_dt
rockchip:
disable mmc-tuning on the veyron-minnie board
adding the init state for the over-temperature-protection
zx:
only build power domain code when CONFIG_PM=y
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"There is a small backlog of at91 patches here, the most significant is
the addition of some sama5d2 Xplained nodes that were waiting on an
MFD include file to get merged through another tree.
We normally try to sort those out before the merge window opens, but
the maintainer wasn't aware of that here and I decided to merge the
changes this time as an exception.
On OMAP a series of audio changes for dra7 missed the merge window but
turned out to be necessary to fix a boot time imprecise external abort
error and to get audio working.
The other changes are the usual simple changes, here is a list sorted
by platform:
at91:
removal of a useless defconfig option
removal of some legacy DT pieces
use of the proper watchdog compatible string
update of the MAINTAINERS entries for some Atmel drivers
drivers/scpi:
hide get_scpi_ops in module from built-in code
imx:
add missing .irq_set_type for i.MX GPC irq_chip.
fix the wrong spi-num-chipselects settings for Vybrid DSPI devices.
fix a merge error in Vybrid dts regarding to ADC device property
keystone:
fix the optional PDSP firmware loading
fix linking RAM setup for QMs
fix crash with clk_ignore_unused
mediatek:
Enable SCPSYS power domain driver by default
mvebu:
fix QNAP TS219 power-off in dts
fix legacy get_irqnr_and_base for dove and orion5x
omap:
fix l4 related boot time errors for dm81xx
use lockless cldm/pwrdm api in omap4_boot_secondary
remove t410 abort handler to avoid hiding other critical errors
mark cpuidle tracepoints as _rcuidle
fix module alias for omap-ocp2scp
pxa:
palm: Fix typos in PWM lookup table code
renesas:
missing __initconst annotation for r8a7793_boards_compat_dt
rockchip:
disable mmc-tuning on the veyron-minnie board
adding the init state for the over-temperature-protection
zx:
only build power domain code when CONFIG_PM=y"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits)
ARM: OMAP4+: SMP: use lockless clkdm/pwrdm api in omap4_boot_secondary
arm: omap2+: add missing HWMOD_NO_IDLEST in 81xx hwmod data
ARM: orion5x: Fix legacy get_irqnr_and_base
ARM: dove: Fix legacy get_irqnr_and_base
soc: Mediatek: Enable SCPSYS power domain driver by default
ARM: dts: vfxxx: Fix dspi[01] spi-num-chipselects.
ARM: dts: keystone: k2l: fix kernel crash when clk_ignore_unused is not in bootargs
soc: ti: knav_qmss_queue: Fix linking RAM setup for queue managers
soc: ti: use request_firmware_direct() as acc firmware is optional
ARM: imx: add platform irq type setting in gpc
ARM: dts: vfxxx: Fix erroneous property in esdhc0 node
ARM: shmobile: r8a7793: proper constness with __initconst
scpi: hide get_scpi_ops in module from built-in code
ARM: zx: only build power domain code when CONFIG_PM=y
ARM: pxa: palm: Fix typos in PWM lookup table code
ARM: dts: Kirkwood: Fix QNAP TS219 power-off
ARM: dts: rockchip: Add OTP gpio pinctrl to rk3288 tsadc node
ARM: dts: rockchip: temporarily remove emmc hs200 speed from rk3288 minnie
MAINTAINERS: Atmel drivers: change NAND and ISI entries
ARM: at91/dt: sama5d2 Xplained: add several devices
...
on the veyron-minnie board for now and adding the init state for
the over-temperature-protection to prevent glitches making the
system reboot sometimes.
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Merge tag 'v4.4-rockchip-dts32-fixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into fixes
Merge "ARM: rockchip: devicetree fixes for 4.4" from Heiko Stuebner:
Two fixes to Rockchip devicetree files, disabling the mmc-tuning
on the veyron-minnie board for now and adding the init state for
the over-temperature-protection to prevent glitches making the
system reboot sometimes.
* tag 'v4.4-rockchip-dts32-fixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
ARM: dts: rockchip: Add OTP gpio pinctrl to rk3288 tsadc node
ARM: dts: rockchip: temporarily remove emmc hs200 speed from rk3288 minnie
* r8a7793 SoC: Annotate r8a7793_boards_compat_dt with __initconst
Aside from being correct this builds that otherwise
fail with section mismatch errors.
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Merge tag 'renesas-fixes-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
Merge "Renesas ARM Based SoC Fixes for v4.4" from Simon Horman:
* r8a7793 SoC: Annotate r8a7793_boards_compat_dt with __initconst
Aside from being correct this builds that otherwise
fail with section mismatch errors.
* tag 'renesas-fixes-for-v4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: r8a7793: proper constness with __initconst
s3c2410_plls_add is a device notifier that may be called at runtime and
is correctly not marked __init. However it calls s3c_plltab_register()
which is marked __init, and that triggers a build error when we are
checking for section mismatches:
WARNING: vmlinux.o(.text+0x195e0): Section mismatch in reference from the function s3c2410_plls_add() to the function .init.text:s3c_plltab_register()
The function s3c2410_plls_add() references
the function __init s3c_plltab_register().
This is often because s3c2410_plls_add lacks a __init
annotation or the annotation of s3c_plltab_register is wrong.
This removes the __init annotation from s3c2410_plls_add as well as the
__initdata section annotations from s3c2440_plls_12 and s3c2440_plls_169344,
which in turn are referenced from s3c2410_plls_add.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
- Fix gntdev and numa balancing.
- Fix x86 boot crash due to unallocated legacy irq descs.
- Fix overflow in evtchn device when > 1024 event channels.
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Merge tag 'for-linus-4.4-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen bug fixes from David Vrabel:
- Fix gntdev and numa balancing.
- Fix x86 boot crash due to unallocated legacy irq descs.
- Fix overflow in evtchn device when > 1024 event channels.
* tag 'for-linus-4.4-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/evtchn: dynamically grow pending event channel ring
xen/events: Always allocate legacy interrupts on PV guests
xen/gntdev: Grant maps should not be subject to NUMA balancing
After commit 8c058b0b9c ("x86/irq: Probe for PIC presence before
allocating descs for legacy IRQs") early_irq_init() will no longer
preallocate descriptors for legacy interrupts if PIC does not
exist, which is the case for Xen PV guests.
Therefore we may need to allocate those descriptors ourselves.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
- A series of audio changes for dra7 that missed the merge window but turned
out to be necessary to fix a boot time imprecise external abort error and to
getaudio working
- Fix l4 related boot time errors for dm81xx
- Use lockless cldm/pwrdm api in omap4_boot_secondary
- Remove t410 custom abort handler that is no longer needed and may
hide other critical errors
- Mark cpuidle tracepoints as _rcuidle
- Fix module alias for omap-ocp2scp
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Merge tag 'omap-for-v4.4/fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Merge "Fixes for omaps for v4.4-rc cycle" from Tony Lindgren:
- A series of audio changes for dra7 that missed the merge window but turned
out to be necessary to fix a boot time imprecise external abort error and to
getaudio working
- Fix l4 related boot time errors for dm81xx
- Use lockless cldm/pwrdm api in omap4_boot_secondary
- Remove t410 custom abort handler that is no longer needed and may
hide other critical errors
- Mark cpuidle tracepoints as _rcuidle
- Fix module alias for omap-ocp2scp
* tag 'omap-for-v4.4/fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP4+: SMP: use lockless clkdm/pwrdm api in omap4_boot_secondary
arm: omap2+: add missing HWMOD_NO_IDLEST in 81xx hwmod data
ARM: OMAP2+: remove custom abort handler for t410
ARM: OMAP: DRA7: hwmod: Add data for McASP3
ARM: OMAP2+: hwmod: Add hwmod flag for HWMOD_OPT_CLKS_NEEDED
ARM: dts: dra7: Fix McASP3 node regarding to clocks
bus: omap-ocp2scp: Fix module alias
ARM: OMAP2+: PM: Denote the cpuidle tracepoints as _rcuidle()
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Merge tag 'v4.4-rc2' into fixes
Linux 4.4-rc2 is backmerged from the keystone fixes.
- Add missing .irq_set_type for i.MX GPC irq_chip. It fixes an issue
that device IRQ type setting doesn't match the one specified in device
tree, since stacked IRQ domain is adopted in GPC driver.
- Fix the wrong spi-num-chipselects settings for Vybrid DSPI devices.
- Fix a merge error in Vybrid dts regarding to ADC device property
fsl,adck-max-frequency
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Merge tag 'imx-fixes-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Merge "The i.MX fixes for 4.4" from Shawn Guo:
- Add missing .irq_set_type for i.MX GPC irq_chip. It fixes an issue
that device IRQ type setting doesn't match the one specified in device
tree, since stacked IRQ domain is adopted in GPC driver.
- Fix the wrong spi-num-chipselects settings for Vybrid DSPI devices.
- Fix a merge error in Vybrid dts regarding to ADC device property
fsl,adck-max-frequency
* tag 'imx-fixes-4.4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: vfxxx: Fix dspi[01] spi-num-chipselects.
ARM: imx: add platform irq type setting in gpc
ARM: dts: vfxxx: Fix erroneous property in esdhc0 node
Commit b3a72384fe ("ARM/PCI: Replace pci_sys_data->align_resource with
global function pointer") introduced an ARM-specific align_resource()
function pointer. This is not portable to other arches and doesn't work
for platforms with two different PCIe host bridge controllers.
Move the function pointer to the pci_host_bridge structure so each host
bridge driver can specify its own align_resource() function.
Signed-off-by: Gabriele Paoloni <gabriele.paoloni@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
OMAP CPU hotplug uses cpu1's clocks and power domains for CPU1 wake up
from low power states (or turn on CPU1). This part of code is also
part of system suspend (disable_nonboot_cpus()).
>From other side, cpu1's clocks and power domains are used by CPUIdle. All above
functionality is mutually exclusive and, therefore, lockless clkdm/pwrdm api
can be used in omap4_boot_secondary().
This fixes below back-trace on -RT which is triggered by
pwrdm_lock/unlock():
BUG: sleeping function called from invalid context at kernel/locking/rtmutex.c:917
in_atomic(): 1, irqs_disabled(): 0, pid: 118, name: sh
9 locks held by sh/118:
#0: (sb_writers#4){.+.+.+}, at: [<c0144a6c>] vfs_write+0x13c/0x164
#1: (&of->mutex){+.+.+.}, at: [<c01b4c70>] kernfs_fop_write+0x48/0x19c
#2: (s_active#24){.+.+.+}, at: [<c01b4c78>] kernfs_fop_write+0x50/0x19c
#3: (device_hotplug_lock){+.+.+.}, at: [<c03cbff0>] lock_device_hotplug_sysfs+0xc/0x4c
#4: (&dev->mutex){......}, at: [<c03cd284>] device_online+0x14/0x88
#5: (cpu_add_remove_lock){+.+.+.}, at: [<c003af90>] cpu_up+0x50/0x1a0
#6: (cpu_hotplug.lock){++++++}, at: [<c003ae48>] cpu_hotplug_begin+0x0/0xc4
#7: (cpu_hotplug.lock#2){+.+.+.}, at: [<c003aec0>] cpu_hotplug_begin+0x78/0xc4
#8: (boot_lock){+.+...}, at: [<c002b254>] omap4_boot_secondary+0x1c/0x178
Preemption disabled at:[< (null)>] (null)
CPU: 0 PID: 118 Comm: sh Not tainted 4.1.12-rt11-01998-gb4a62c3-dirty #137
Hardware name: Generic DRA74X (Flattened Device Tree)
[<c0017574>] (unwind_backtrace) from [<c0013be8>] (show_stack+0x10/0x14)
[<c0013be8>] (show_stack) from [<c05a8670>] (dump_stack+0x80/0x94)
[<c05a8670>] (dump_stack) from [<c05ad158>] (rt_spin_lock+0x24/0x54)
[<c05ad158>] (rt_spin_lock) from [<c0030dac>] (clkdm_wakeup+0x10/0x2c)
[<c0030dac>] (clkdm_wakeup) from [<c002b2c0>] (omap4_boot_secondary+0x88/0x178)
[<c002b2c0>] (omap4_boot_secondary) from [<c0015d00>] (__cpu_up+0xc4/0x164)
[<c0015d00>] (__cpu_up) from [<c003b09c>] (cpu_up+0x15c/0x1a0)
[<c003b09c>] (cpu_up) from [<c03cd2d4>] (device_online+0x64/0x88)
[<c03cd2d4>] (device_online) from [<c03cd360>] (online_store+0x68/0x74)
[<c03cd360>] (online_store) from [<c01b4ce0>] (kernfs_fop_write+0xb8/0x19c)
[<c01b4ce0>] (kernfs_fop_write) from [<c0144124>] (__vfs_write+0x20/0xd8)
[<c0144124>] (__vfs_write) from [<c01449c0>] (vfs_write+0x90/0x164)
[<c01449c0>] (vfs_write) from [<c01451e4>] (SyS_write+0x44/0x9c)
[<c01451e4>] (SyS_write) from [<c0010240>] (ret_fast_syscall+0x0/0x54)
CPU1: smp_ops.cpu_die() returned, trying to resuscitate
Cc: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Add missing HWMOD_NO_IDLEST hwmod flag for entries not
having omap4 clkctrl values.
The emac0 hwmod flag fixes the davinci_emac driver probe
since the return of pm_resume() call is now checked.
This solves the following boot errors :
[ 0.121429] omap_hwmod: l4_ls: _wait_target_ready failed: -16
[ 0.121441] omap_hwmod: l4_ls: cannot be enabled for reset (3)
[ 0.124342] omap_hwmod: l4_hs: _wait_target_ready failed: -16
[ 0.124352] omap_hwmod: l4_hs: cannot be enabled for reset (3)
[ 1.967228] omap_hwmod: emac0: _wait_target_ready failed: -16
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Commit 5be9fc23cd ("ARM: orion5x: fix legacy orion5x IRQ numbers") shifted
IRQ numbers by one but didn't update the get_irqnr_and_base macro
accordingly. This macro is involved when CONFIG_MULTI_IRQ_HANDLER
is not defined.
[jac: 5d6bed2a9c went in to v4.2, but was backported to v3.18]
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Fixes: 5be9fc23cd ("ARM: orion5x: fix legacy orion5x IRQ numbers")
Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Commit 5d6bed2a9c ("ARM: dove: fix legacy dove IRQ numbers") shifted
IRQ numbers by one but didn't update the get_irqnr_and_base macro
accordingly. This macro is involved when CONFIG_MULTI_IRQ_HANDLER
is not defined.
[jac: 5d6bed2a9c went in to v4.2, but was backported to v3.18]
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Fixes: 5d6bed2a9c ("ARM: dove: fix legacy dove IRQ numbers")
Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Since commit 3fffd12839 ("i2c: allow specifying
separate wakeup interrupt in device tree") we have
automatic wakeup irq support for i2c devices. That
commit missed the fact that rtc-1307 had its own
wakeup irq handling and ended up introducing a
kernel splat for at least Beagle x15 boards.
Fix that by reverting original commit _and_ passing
correct interrupt names on DTS so i2c-core can
choose correct IRQ as wakeup.
Now that we have automatic wakeirq support, we can
revert the original commit which did it manually.
Fixes the following warning:
[ 10.346582] WARNING: CPU: 1 PID: 263 at linux/drivers/base/power/wakeirq.c:43 dev_pm_attach_wake_irq+0xbc/0xd4()
[ 10.359244] rtc-ds1307 2-006f: wake irq already initialized
Cc: Tony Lindgren <tony@atomide.com>
Cc: Nishanth Menon <nm@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
We were setting the physical active state on the GIC distributor in a
preemptible section, which could cause us to set the active state on
different physical CPU from the one we were actually going to run on,
hacoc ensues.
Since we are no longer descheduling/scheduling soft timers in the
flush/sync timer functions, simply moving the timer flush into a
non-preemptible section.
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
The open coded tests for checking whether a PTE maps a page as
uncached use a flawed '(pte_val(xxx) & CONST) != CONST' pattern,
which is not guaranteed to work since the type of a mapping is
not a set of mutually exclusive bits
For HYP mappings, the type is an index into the MAIR table (i.e, the
index itself does not contain any information whatsoever about the
type of the mapping), and for stage-2 mappings it is a bit field where
normal memory and device types are defined as follows:
#define MT_S2_NORMAL 0xf
#define MT_S2_DEVICE_nGnRE 0x1
I.e., masking *and* comparing with the latter matches on the former,
and we have been getting lucky merely because the S2 device mappings
also have the PTE_UXN bit set, or we would misidentify memory mappings
as device mappings.
Since the unmap_range() code path (which contains one instance of the
flawed test) is used both for HYP mappings and stage-2 mappings, and
considering the difference between the two, it is non-trivial to fix
this by rewriting the tests in place, as it would involve passing
down the type of mapping through all the functions.
However, since HYP mappings and stage-2 mappings both deal with host
physical addresses, we can simply check whether the mapping is backed
by memory that is managed by the host kernel, and only perform the
D-cache maintenance if this is the case.
Cc: stable@vger.kernel.org
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Per the Vybrid Reference Manual (section 3.8.6.1), dspi0 has 6 chip
select signals associated with it, while dspi1 has only 4.
Signed-off-by: Cory Tusar <cory.tusar@pid1solutions.com>
Acked-by: Stefan Agner <stefan@agner.ch>
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Currently kernel crash randomly when K2L EVM is booted without
clk_ignore_unused in the bootargs. This workaround is not needed
on other K2 devices such as K2HK and K2E and with this fix, we can
remove the workaround altogether. netcp driver on K2L uses linked
ram on OSR (On chip Static RAM) and requires the clock to this peripheral
enabled for proper functioning. This is the reason for the kernel crash.
So add the clock node to fix this issue.
While at it, remove the workaround documentation as well.
With the fix applied, clk_summary dump shows the clock to OSR enabled.
cat /sys/kernel/debug/clk/clk_summary
------cut--------------
tcp3d-1 0 0 399360000 0 0
tcp3d-0 0 0 399360000 0 0
osr 1 1 399360000 0 0
fftc-0 0 0 399360000 0 0
-----cut----------------
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
GPC irq domain is a child domain of GIC, now all of platform irqs
are inside GPC domain, during the module populate, all devices irq
should have correct type setting in GIC, however, there is no
.irq_set_type callback setting in GPC, so the irq_set_type will be
skipped and cause all irqs' type in /proc/interrupt are "edge" which
mismatch with irq type setting in dtb file. Since GPC has no irq
type setting, so just tell kernel to use irq_chip_set_type_parent.
Signed-off-by: Anson Huang <Anson.Huang@freescale.com>
Cc: <stable@vger.kernel.org> # 4.1+
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Something seems to have gone wrong during the merging of the device
tree changes with the following patch
"ARM: dts: add property for maximum ADC clock frequencies"
The property "fsl,adck-max-frequency" instead of being applied for
the ADC1 node got applied to the esdhc0 node. This patch fixes it.
Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Fixes: def0641e2f ("ARM: dts: add property for maximum ADC clock frequencies")
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Both the pointer array and the pointed data have to be const when using
__initconst to be correct. This also fixes LTO builds that otherwise
fail with section mismatch errors.
Fixes: ec60d95b4f ("ARM: shmobile: Basic r8a7793 SoC support")
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Here are a number of USB fixes and new device ids for 4.4-rc2. All have
been in linux-next and the details are in the shortlog.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a number of USB fixes and new device ids for 4.4-rc2. All
have been in linux-next and the details are in the shortlog"
* tag 'usb-4.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits)
usblp: do not set TASK_INTERRUPTIBLE before lock
USB: MAINTAINERS: cxacru
usb: kconfig: fix warning of select USB_OTG
USB: option: add XS Stick W100-2 from 4G Systems
xhci: Fix a race in usb2 LPM resume, blocking U3 for usb2 devices
usb: xhci: fix checking ep busy for CFC
xhci: Workaround to get Intel xHCI reset working more reliably
usb: chipidea: imx: fix a possible NULL dereference
usb: chipidea: usbmisc_imx: fix a possible NULL dereference
usb: chipidea: otg: gadget module load and unload support
usb: chipidea: debug: disable usb irq while role switch
ARM: dts: imx27.dtsi: change the clock information for usb
usb: chipidea: imx: refine clock operations to adapt for all platforms
usb: gadget: atmel_usba_udc: Expose correct device speed
usb: musb: enable usb_dma parameter
usb: phy: phy-mxs-usb: fix a possible NULL dereference
usb: dwc3: gadget: let us set lower max_speed
usb: musb: fix tx fifo flush handling
usb: gadget: f_loopback: fix the warning during the enumeration
usb: dwc2: host: Fix remote wakeup when not in DWC2_L2
...
- removal of a useless defconfig option
- removal of some legacy DT pieces
- use of the proper watchdog compatible string
- addition of some sama5d2 Xplained nodes now that the MFD include is in place
- update of the MAINTAINERS entries for some Atmel drivers
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Merge tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91 into fixes
Merge "First fixes for 4.4" from Nicolas Ferre:
- removal of a useless defconfig option
- removal of some legacy DT pieces
- use of the proper watchdog compatible string
- addition of some sama5d2 Xplained nodes now that the MFD include is in place
- update of the MAINTAINERS entries for some Atmel drivers
* tag 'at91-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nferre/linux-at91:
MAINTAINERS: Atmel drivers: change NAND and ISI entries
ARM: at91/dt: sama5d2 Xplained: add several devices
ARM: at91/dt: remove bootargs
ARM: at91/dt: remove leftovers clock definition
ARM: at91/dt: replace gpio-key,wakeup with wakeup-source property
ARM: at91/dt: sama5d4: change watchdog compatible
ARM: at91/defconfig: remove CONFIG_SSB from Atmel defconfigs
The newly added zx power domain code causes build errors in
some configurations:
warning: (PM_RMOBILE && SOC_ZX296702) selects PM_GENERIC_DOMAINS which has unmet direct dependencies (PM)
warning: (ARCH_EXYNOS) selects EXYNOS_THERMAL which has unmet direct dependencies (THERMAL && (ARCH_EXYNOS || COMPILE_TEST) && THERMAL_OF)
power/domain.c: In function 'genpd_queue_power_off_work':
power/domain.c:192:13: error: 'pm_wq' undeclared (first use in this function)
queue_work(pm_wq, &genpd->power_off_work);
^
power/domain.c:192:13: note: each undeclared identifier is reported only once for each function it appears in
This ensures we don't try to enable it when CONFIG_PM is
disabled, mirroring what we do on most other platforms.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: f15107f412 ("ARM: zx: Add power domains for ZX296702")
Reviewed-by: Jun Nie <jun.nie@linaro.org>
The patches that were applied to add PWM lookup tables for legacy boards
were from v1 of the series instead of the revised v2 where the resulting
build errors had already been fixed.
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
The "reg" entry in the "poweroff" section of "kirkwood-ts219.dtsi"
addressed the wrong uart (0 = console). This patch changes the address
to select uart 1, which is the uart connected to the pic
microcontroller, which can switch the device off.
Signed-off-by: Helmut Klein <hgkr.klein@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Fixes: 4350a47bba ("ARM: Kirkwood: Make use of the QNAP Power off driver.")
Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Add the "init" anf "sleep" pinctrl as the OTP gpio state.
We need the OTP pin is gpio state before resetting the TSADC controller,
since the tshut polarity will generate a high signal.
"init" pinctrl property is defined by Doug's Patch[0].
Patch[0]:
https://patchwork.kernel.org/patch/7454311/
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
The eMMC of the minnie Chromebook doesn't like our current method of
tuning and while there are solutions on the horizon, they still need
investigating. Other Chromebooks tune just fine with the emmc, so
simply disable tuning on Minnie for now.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
