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Changes in 4.4.284
ext4: fix race writing to an inline_data file while its xattrs are changing
xtensa: fix kconfig unmet dependency warning for HAVE_FUTEX_CMPXCHG
ARC: fix allnoconfig build warning
qede: Fix memset corruption
cryptoloop: add a deprecation warning
ARM: 8918/2: only build return_address() if needed
ALSA: pcm: fix divide error in snd_pcm_lib_ioctl
ath: Use safer key clearing with key cache entries
ath9k: Clear key cache explicitly on disabling hardware
ath: Export ath_hw_keysetmac()
ath: Modify ath_key_delete() to not need full key entry
ath9k: Postpone key cache entry deletion for TXQ frames reference it
media: stkwebcam: fix memory leak in stk_camera_probe
igmp: Add ip_mc_list lock in ip_check_mc_rcu
usb: phy: isp1301: Fix build warning when CONFIG_OF is disabled
USB: serial: mos7720: improve OOM-handling in read_mos_reg()
PM / wakeirq: Enable dedicated wakeirq for suspend
tc358743: fix register i2c_rd/wr function fix
ipv4/icmp: l3mdev: Perform icmp error route lookup on source device routing table (v2)
s390/disassembler: correct disassembly lines alignment
mm/kmemleak.c: make cond_resched() rate-limiting more efficient
powerpc/module64: Fix comment in R_PPC64_ENTRY handling
powerpc/boot: Delete unneeded .globl _zimage_start
net: ll_temac: Remove left-over debug message
mm/page_alloc: speed up the iteration of max_order
Revert "btrfs: compression: don't try to compress if we don't have enough pages"
x86/reboot: Limit Dell Optiplex 990 quirk to early BIOS versions
PCI: Call Max Payload Size-related fixup quirks early
crypto: mxs-dcp - Check for DMA mapping errors
crypto: omap-sham - clear dma flags only after omap_sham_update_dma_stop()
power: supply: max17042_battery: fix typo in MAx17042_TOFF
libata: fix ata_host_start()
crypto: qat - do not ignore errors from enable_vf2pf_comms()
crypto: qat - fix reuse of completion variable
udf_get_extendedattr() had no boundary checks.
m68k: emu: Fix invalid free in nfeth_cleanup()
certs: Trigger creation of RSA module signing key if it's not an RSA key
media: dvb-usb: fix uninit-value in dvb_usb_adapter_dvb_init
media: dvb-usb: fix uninit-value in vp702x_read_mac_addr
media: go7007: remove redundant initialization
Bluetooth: sco: prevent information leak in sco_conn_defer_accept()
tcp: seq_file: Avoid skipping sk during tcp_seek_last_pos
net: cipso: fix warnings in netlbl_cipsov4_add_std
i2c: highlander: add IRQ check
PCI: PM: Enable PME if it can be signaled from D3cold
Bluetooth: increase BTNAMSIZ to 21 chars to fix potential buffer overflow
arm64: dts: exynos: correct GIC CPU interfaces address range on Exynos7
Bluetooth: fix repeated calls to sco_sock_kill
drm/msm/dsi: Fix some reference counted resource leaks
usb: gadget: udc: at91: add IRQ check
usb: phy: fsl-usb: add IRQ check
usb: phy: twl6030: add IRQ checks
Bluetooth: Move shutdown callback before flushing tx and rx queue
usb: host: ohci-tmio: add IRQ check
usb: phy: tahvo: add IRQ check
usb: gadget: mv_u3d: request_irq() after initializing UDC
Bluetooth: add timeout sanity check to hci_inquiry
i2c: iop3xx: fix deferred probing
i2c: s3c2410: fix IRQ check
mmc: dw_mmc: Fix issue with uninitialized dma_slave_config
mmc: moxart: Fix issue with uninitialized dma_slave_config
CIFS: Fix a potencially linear read overflow
i2c: mt65xx: fix IRQ check
usb: ehci-orion: Handle errors of clk_prepare_enable() in probe
ath6kl: wmi: fix an error code in ath6kl_wmi_sync_point()
bcma: Fix memory leak for internally-handled cores
ipv4: make exception cache less predictible
tty: Fix data race between tiocsti() and flush_to_ldisc()
KVM: x86: Update vCPU's hv_clock before back to guest when tsc_offset is adjusted
clk: kirkwood: Fix a clocking boot regression
fbmem: don't allow too huge resolutions
rtc: tps65910: Correct driver module alias
PCI/MSI: Skip masking MSI-X on Xen PV
xen: fix setting of max_pfn in shared_info
power: supply: max17042: handle fails of reading status register
VMCI: fix NULL pointer dereference when unmapping queue pair
media: uvc: don't do DMA on stack
media: rc-loopback: return number of emitters rather than error
libata: add ATA_HORKAGE_NO_NCQ_TRIM for Samsung 860 and 870 SSDs
ARM: 9105/1: atags_to_fdt: don't warn about stack size
PCI: Restrict ASMedia ASM1062 SATA Max Payload Size Supported
PCI: Return ~0 data on pciconfig_read() CAP_SYS_ADMIN failure
openrisc: don't printk() unconditionally
pinctrl: single: Fix error return code in pcs_parse_bits_in_pinctrl_entry()
crypto: mxs-dcp - Use sg_mapping_iter to copy data
PCI: Use pci_update_current_state() in pci_enable_device_flags()
iio: dac: ad5624r: Fix incorrect handling of an optional regulator.
video: fbdev: kyro: fix a DoS bug by restricting user input
netlink: Deal with ESRCH error in nlmsg_notify()
Smack: Fix wrong semantics in smk_access_entry()
usb: host: fotg210: fix the actual_length of an iso packet
usb: gadget: u_ether: fix a potential null pointer dereference
tty: serial: jsm: hold port lock when reporting modem line changes
bpf/tests: Fix copy-and-paste error in double word test
bpf/tests: Do not PASS tests without actually testing the result
video: fbdev: asiliantfb: Error out if 'pixclock' equals zero
video: fbdev: kyro: Error out if 'pixclock' equals zero
video: fbdev: riva: Error out if 'pixclock' equals zero
ipv4: ip_output.c: Fix out-of-bounds warning in ip_copy_addrs()
s390/jump_label: print real address in a case of a jump label bug
serial: 8250: Define RX trigger levels for OxSemi 950 devices
xtensa: ISS: don't panic in rs_init
hvsi: don't panic on tty_register_driver failure
serial: 8250_pci: make setup_port() parameters explicitly unsigned
Bluetooth: skip invalid hci_sync_conn_complete_evt
gpu: drm: amd: amdgpu: amdgpu_i2c: fix possible uninitialized-variable access in amdgpu_i2c_router_select_ddc_port()
ARM: tegra: tamonten: Fix UART pad setting
rpc: fix gss_svc_init cleanup on failure
gfs2: Don't call dlm after protocol is unmounted
mmc: rtsx_pci: Fix long reads when clock is prescaled
cifs: fix wrong release in sess_alloc_buffer() failed path
Revert "USB: xhci: fix U1/U2 handling for hardware with XHCI_INTEL_HOST quirk set"
parport: remove non-zero check on count
ath9k: fix OOB read ar9300_eeprom_restore_internal
net: fix NULL pointer reference in cipso_v4_doi_free
parisc: fix crash with signals and alloca
platform/chrome: cros_ec_proto: Send command again when timeout occurs
bnx2x: Fix enabling network interfaces without VFs
net-caif: avoid user-triggerable WARN_ON(1)
ptp: dp83640: don't define PAGE0
dccp: don't duplicate ccid when cloning dccp sock
net/l2tp: Fix reference count leak in l2tp_udp_recv_core
r6040: Restore MDIO clock frequency after MAC reset
tipc: increase timeout in tipc_sk_enqueue()
net/af_unix: fix a data-race in unix_dgram_poll
x86/mm: Fix kern_addr_valid() to cope with existing but not present entries
dt-bindings: mtd: gpmc: Fix the ECC bytes vs. OOB bytes equation
ethtool: Fix an error code in cxgb2.c
PCI: Sync __pci_register_driver() stub for CONFIG_PCI=n
mtd: rawnand: cafe: Fix a resource leak in the error handling path of 'cafe_nand_probe()'
ARC: export clear_user_page() for modules
qlcnic: Remove redundant unlock in qlcnic_pinit_from_rom
net: renesas: sh_eth: Fix freeing wrong tx descriptor
s390/bpf: Fix 64-bit subtraction of the -0x80000000 constant
Linux 4.4.284
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Idf3220461e42648ba134a245e9670231dbd18b5c
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commit ed5aacc81cd41efc4d561e14af408d1003f7b855 upstream.
XTENSA should only select HAVE_FUTEX_CMPXCHG when FUTEX is
set/enabled. This prevents a kconfig warning.
WARNING: unmet direct dependencies detected for HAVE_FUTEX_CMPXCHG
Depends on [n]: FUTEX [=n]
Selected by [y]:
- XTENSA [=y] && !MMU [=n]
Fixes: d951ba21b959 ("xtensa: nommu: select HAVE_FUTEX_CMPXCHG")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: linux-xtensa@linux-xtensa.org
Message-Id: <20210526070337.28130-1-rdunlap@infradead.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Define HAVE_EXIT_THREAD for archs which want to do something in
exit_thread. For others, let's define exit_thread as an empty inline.
This is a cleanup before we change the prototype of exit_thread to
accept a task parameter.
[akpm@linux-foundation.org: fix mips]
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chen Liqin <liqin.linux@gmail.com>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: David Howells <dhowells@redhat.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Helge Deller <deller@gmx.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Jesper Nilsson <jesper.nilsson@axis.com>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
Cc: Lennox Wu <lennox.wu@gmail.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Mark Salter <msalter@redhat.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Mikael Starvik <starvik@axis.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Rich Felker <dalias@libc.org>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Steven Miao <realmz6@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
(cherry picked from commit 5f56a5dfdb9bcb3bca03df59980d4d2f012cbb53)
Conflicts:
arch/powerpc/kernel/process.c
arch/xtensa/Kconfig
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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Make maximal memory allocation order configurable, so that drivers could
allocate huge buffers when they need to.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Not having HAVE_FUTEX_CMPXCHG makes futex_detect_cmpxchg probe
cmpxchg_futex_value_locked with NULL address. It's not guaranteed to
fault without MMU, instead it locks up on Xtensa when there's no RAM at
address 0.
Select HAVE_FUTEX_CMPXCHG in noMMU Xtensa configurations.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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RAM starts at 0x60000000 on noMMU cores, not at 0x40000000. Fix the
default.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Xtensa Performance Monitor Module has up to 8 32 bit wide performance
counters. Each counter may be enabled independently and can count any
single type of hardware performance events. Event counting may be enabled
and disabled globally (per PMM).
Each counter has status register with bits indicating if the counter has
been overflown and may be programmed to raise profiling IRQ on overflow.
This IRQ is used to rewind counters and allow for counting more than 2^32
samples for counting events and to report samples for sampling events.
For more details see Tensilica Debug User's Guide, chapter 8
"Performance monitor module".
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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- keep existing functionality: don't handle attributes, don't support
high memory;
- implement scatterlist primitives (map/unmap/sync);
- enable DMA API debug.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
"As usual, mostly comment, kerneldoc and printk() fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
lpfc: Grammar s/an negative/a negative/
ARM: lib/lib1funcs.S: fix typo s/substractions/subtractions/
cx25821: cx25821-medusa-reg.h: fix 0x0x prefix
lib: crc-itu-t.[ch] fix 0x0x prefix in integer constants
rapidio: Fix kerneldoc and comment
qla4xxx: Fix printk() in qla4_83xx_read_reset_template() and qla4_83xx_pre_loopback_config()
treewide: Kconfig: fix wording / spelling
usb/serial: fix grammar in Kconfig help text for FTDI_SIO
megaraid_sas: fix kerneldoc
netfilter: ebtables: fix comment grammar
drm/radeon: fix comment
isdn: fix grammar in comment
ARM: KVM: fix comment
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This patch fix spelling typos in Kconfig.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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LCD driver is always built for the XTFPGA platform, but its base address
is not configurable, and is wrong for ML605/KC705. Its initialization
locks up KC705 board hardware.
Make the whole driver optional, and its base address and bus width
configurable. Implement 4-bit bus access method.
Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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git://github.com/jcmvbkbc/linux-xtensa into for_next
Xtensa improvements for 3.19:
- fix permissions for kmapped pages so that copy_to_user_page works with
them;
- add power management menu to Kconfig to allow use of runtime PM.
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This allows using runtime power management feature on Xtensa.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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The Stretch s6000 family support has been merged into mainline 5 years
ago. There appear to be no users of this code since nobody complained
that there is a merge error preventing compilation.
Apart from the s6105 IP camera reference design there are no s6000 devices
known to ever have run Linux and as the chips are out of production there
probably never will be. The successor s7000 no longer uses an Xtensa core
for the OS.
Let's remove the code until someone is found who actually needs it.
Signed-off-by: Daniel Glöckner <dg@emlix.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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This allows using xtfpga platform with both MMU and noMMU cores.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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initialize_mmu sets up atomctl SR which is needed for s32c1i to function
correctly even in noMMU configurations. It's also a good place to set up
caching attributes of physical memory.
Allow enabling INITIALIZE_XTENSA_MMU_INSIDE_VMLINUX in noMMU
configurations for setting up atomctl and cache attributes.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Otherwise we get the following build warning:
(XTENSA_PLATFORM_XTFPGA) selects ETHOC which has unmet direct
dependencies (NETDEVICES && ETHERNET && HAS_IOMEM && HAS_DMA)
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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These syscalls are not used by userspace tools for some time now, and
they have issues when called with invalid arguments. It's not worth
changing signal delivery mechanism as we don't expect any new users for
these syscalls. Let's keep them for backwards compatibility under #ifdef,
disabled by default.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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HAVE_IDE is not a property of architecture but of a platform, and neither
ISS or XTFPGA support it.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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MMUv3 and HIGHMEM support are available only on configurations with MMU,
don't show them otherwise.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Instead of adding new Kconfig options and Makefile rules for each new
core variant provide XTENSA_VARIANT_CUSTOM variant and record variant
name in the XTENSA_VARIANT_NAME variable. Adding new core variant now
means providing directory structure under arch/xtensa/variant and
specifying correct name in kernel configuration.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Pull Xtensa fixes from Chris Zankel:
- Fixes allmodconfig, allnoconfig builds
- Adds highmem support
- Enables build-time exception table sorting.
* tag 'xtensa-next-20140503' of git://github.com/czankel/xtensa-linux:
xtensa: ISS: don't depend on CONFIG_TTY
xtensa: xt2000: drop redundant sysmem initialization
xtensa: add support for KC705
xtensa: xtfpga: introduce SoC I/O bus
xtensa: add HIGHMEM support
xtensa: optimize local_flush_tlb_kernel_range
xtensa: dump sysmem from the bootmem_init
xtensa: handle memmap kernel option
xtensa: keep sysmem banks ordered in mem_reserve
xtensa: keep sysmem banks ordered in add_sysmem_bank
xtensa: split bootparam and kernel meminfo
xtensa: enable sorting extable at build time
xtensa: export __{invalidate,flush}_dcache_range
xtensa: Export __invalidate_icache_range
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Build console support only when CONFIG_TTY is selected.
This restores ISS as the default platform for allnoconfig builds.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Introduce fixmap area just below the vmalloc region. Use it for atomic
mapping of high memory pages.
High memory on cores with cache aliasing is not supported and is still
to be implemented. Fail build for such configurations for now.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: David Daney <ddaney.cavm@gmail.com>
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If the renamed symbol is defined lib/iomap.c implements ioport_map and
ioport_unmap and currently (nearly) all platforms define the port
accessor functions outb/inb and friend unconditionally. So
HAS_IOPORT_MAP is the better name for this.
Consequently NO_IOPORT is renamed to NO_IOPORT_MAP.
The motivation for this change is to reintroduce a symbol HAS_IOPORT
that signals if outb/int et al are available. I will address that at
least one merge window later though to keep surprises to a minimum and
catch new introductions of (HAS|NO)_IOPORT.
The changes in this commit were done using:
$ git grep -l -E '(NO|HAS)_IOPORT' | xargs perl -p -i -e 's/\b((?:CONFIG_)?(?:NO|HAS)_IOPORT)\b/$1_MAP/'
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Commit f615136c06a7 ("xtensa: add SMP support") added "select
USE_GENERIC_SMP_HELPERS". But the Kconfig symbol USE_GENERIC_SMP_HELPERS
was already removed in v3.13, so that select is a nop. Drop it.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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The toolchain for xtensa FSF core never supported GPIO32, drop it on the
linux side too.
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
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Pull Xtensa patches from Chris Zankel:
"The major changes are adding support for SMP for Xtensa, fixing and
cleaning up the ISS (simulator) network driver, and better support for
device trees"
* tag 'xtensa-next-20140123' of git://github.com/czankel/xtensa-linux: (40 commits)
xtensa: implement ndelay
xtensa: clean up udelay
xtensa: enable HAVE_PERF_EVENTS
xtensa: remap io area defined in device tree
xtensa: support default device tree buses
xtensa: initialize device tree clock sources
xtensa: xtfpga: fix definitions of platform devices
xtensa: standardize devicetree cpu compatible strings
xtensa: avoid duplicate of IO range definitions
xtensa: fix ATOMCTL register documentation
xtensa: Enable irqs after cpu is set online
xtensa: ISS: raise network polling rate to 10 times/sec
xtensa: remove unused XTENSA_ISS_NETWORK Kconfig parameter
xtensa: ISS: avoid simple_strtoul usage
xtensa: Switch to sched_clock_register()
xtensa: implement CPU hotplug
xtensa: add SMP support
xtensa: add MX irqchip
xtensa: clear timer IRQ unconditionally in its handler
xtensa: clean up do_interrupt/do_IRQ
...
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This allows the perf tool to monitor kernel tracepoint events.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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This removes the XTENSA_ISS_NETWORK Kconfig parameter,
which was no longer used anywhere in the source code
and Makefiles.
Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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This is largely based on SMP code from the xtensa-2.6.29-smp tree by
Piet Delaney, Marc Gauthier, Joe Taylor, Christian Zankel (and possibly
other Tensilica folks).
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Prevent build failure when the selected variant does not support GPIO32.
Acked-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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After the last architecture switched to generic hard irqs the config
options HAVE_GENERIC_HARDIRQS & GENERIC_HARDIRQS and the related code
for !CONFIG_GENERIC_HARDIRQS can be removed.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Reused some code from a preliminary implementation by Max Fillippov.
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Pull xtensa updates from Chris Zankel:
"Support for the latest MMU architecture that allows for a larger
accessible memory region, and various bug-fixes"
* tag 'xtensa-next-20130508' of git://github.com/czankel/xtensa-linux:
xtensa: Switch to asm-generic/linkage.h
xtensa: fix redboot load address
xtensa: ISS: fix timer_lock usage in rs_open
xtensa: disable IRQs while IRQ handler is running
xtensa: enable lockdep support
xtensa: fix arch_irqs_disabled_flags implementation
xtensa: add irq flags trace support
xtensa: provide custom CALLER_ADDR* implementations
xtensa: add stacktrace support
xtensa: clean up stpill_registers
xtensa: don't use a7 in simcalls
xtensa: don't attempt to use unconfigured timers
xtensa: provide default platform_pcibios_init implementation
xtensa: remove KCORE_ELF again
xtensa: document MMUv3 setup sequence
xtensa: add MMU v3 support
xtensa: fix ibreakenable register update
xtensa: fix oprofile building as module
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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The Kconfig symbol KCORE_ELF was removed in v2.6.0, but reappeared in two
architectures. It is useless. Remove it again.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
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