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2015-06-16mtd: docg3: Don't leak docg3->bbt in error pathRichard Weinberger
Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-06-16mtd: nandsim: Fix kasprintf() usageRichard Weinberger
kasprintf() used in get_partition_name() does a dynamic memory allocation and can fail. We have to handle that case. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-06-16mtd: cs553x_nand: Fix kasprintf() usageRichard Weinberger
kasprintf() does a dynamic memory allocation and can fail. We have to handle that case. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-06-16mtd: r852: Fix device_create_file() usageRichard Weinberger
device_create_file() can fail, therefore we have to handle this case and abort. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-06-16mtd: brcmnand: drop unnecessary initializationBrian Norris
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
2015-06-16mtd: propagate error codes from add_mtd_device()Brian Norris
It makes more sense to return error statuses, not 1/0. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Reviewed-by: Richard Weinberger <richard@nod.at>
2015-06-16mtd: diskonchip: remove two-phase partitioning / registrationBrian Norris
It is a Bad Idea (TM) to call mtd_device_register() or mtd_device_parse_register() twice on the same master MTD. Among other things, it makes partition overrides (e.g., cmdlinepart) much more difficult. Since commit 727dc612c46b ("mtd: part: Create the master device node when partitioned"), we now have a config option that accomplishes the same purpose as the double-registration done in diskonchip.c -- it forces the master MTD to *always* be registered, while partitions may optionally show up in addition. Eventually, we might like to make CONFIG_MTD_PARTITIONED_MASTER into the default, but this could be disruptive to user-space expectations of MTD numbering, so we'll take that slowly. Signed-off-by: Brian Norris <computersforpeace@gmail.com> Cc: Richard Weinberger <richard@nod.at> Cc: Alexander Shiyan <shc_work@mail.ru>
2015-06-16Input: pixcir_i2c_ts - fix receive errorFrodo Lai
The i2c_master_recv() uses readsize to receive data from i2c but compares to size of rdbuf which is always 27. This would cause problem when the max_fingers is not 5. Change the comparison value to readsize instead. Fixes: 36874c7e219 ("Input: pixcir_i2c_ts - support up to 5 fingers and hardware tracking IDs:) Cc: stable@vger.kernel.org Signed-off-by: Frodo Lai <frodo_lai@bcmcom.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-06-16MAINTAINERS: remove non existent input mt git treeBaruch Siach
The "INPUT MULTITOUCH (MT) PROTOCOL" entry git tree is not there on git.kernel.org. Signed-off-by: Baruch Siach <baruch@tkos.co.il> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-06-16Input: improve usage of gpiod APIUwe Kleine-König
Since 39b2bbe3d715 (gpio: add flags argument to gpiod_get*() functions) which appeared in v3.17-rc1, the gpiod_get* functions take an additional parameter that allows to specify direction and initial value for output. Simplify drivers accordingly. Note that in the case of the drv260x driver error checking is more strict now because -ENOSYS is reported to the caller now. But this should only be returned if GPIOLIB is disabled which shouldn't happen as the driver depends on GPIOLIB. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-06-17cpufreq: dt: allow driver to boot automaticallyFelipe Balbi
by adding the missing MODULE_ALIAS(), cpufreq-dt can be autoloaded by udev/systemd. Signed-off-by: Felipe Balbi <balbi@ti.com> Acked-by: Nishanth Menon <nm@ti.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-06-17powerpc: Make doorbell check preemption safeShreyas B. Prabhu
Doorbell can be used to cause ipi on cpus which are sibling threads on the same core. So icp_native_cause_ipi checks if the destination cpu is a sibling thread of the current cpu and uses doorbell in such cases. But while running with CONFIG_PREEMPT=y, since this section is preemtible, we can run into issues if after we check if the destination cpu is a sibling cpu, the task gets migrated from a sibling cpu to a cpu on another core. Fix this by using get_cpu()/ put_cpu() Signed-off-by: Shreyas B. Prabhu <shreyas@linux.vnet.ibm.com> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2015-06-16tty/vt/keyboard: define LED triggers for VT keyboard lock statesSamuel Thibault
In addition to defining triggers for VT LED states, let's define triggers for VT keyboard lock states, such as "kbd-shiftlock", "kbd-altgrlock", etc. This permits to fix #7063 from userland by using a modifier to implement proper CapsLock behavior and have the keyboard caps lock led show that modifier state. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Tested-by: Pavel Machek <pavel@ucw.cz> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-06-16tty/vt/keyboard: define LED triggers for VT LED statesSamuel Thibault
Now that input core allows controlling keyboards LEDs via standard LED subsystem triggers let's switch VT keyboard code to make use of this feature. We will define the following standard triggers: "kbd-scrollock", "kbd-numlock", "kbd-capslock", and "kbd-kanalock" which are default triggers for respective LEDs on keyboards. Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Tested-by: Pavel Machek <pavel@ucw.cz> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2015-06-16HID: rmi: Disable populating F30 when the touchpad has physical buttonsAndrew Duggan
Physical buttons do not use F30 to report their state and in some cases the data reported in F30 is incorrect and inconsistent with what is reported by the HID descriptor. When physical buttons are present, ignore F30 and let hid-input report buttons based on what is defined in the HID descriptor. Signed-off-by: Andrew Duggan <aduggan@synaptics.com> Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2015-06-16staging: unisys: visorchannel_write() fix potential memory corruptionJes Sorensen
This fixes the memory corruption case, if nbytes is less than offset and sizeof(struct channel_header) Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-16staging: unisys: Add s-Par visornic ethernet driverDavid Kershner
This driver creates a network device when s-Par sends a device create message to create network adapter on the visorbus. When the message is received by visorbus, the visornic_probe function is called and the netdev device is created and managed by the visornic driver. Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-16staging: unisys: define structures outside of iochannelDavid Kershner
During testing with visornic the offset of num_rcv_bufs was being reported at 188 instead of 186. The vnic structure starts at 180 and the macaddr is only 6 bytes long. When I defined and packed the structures outside of the struct and then referenced them in the struct the correct offset was generated. Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-16staging: unisys: Remove visorchannel stubDavid Kershner
Visorchannel directory has been stripped down to almost nothing, and is no longer referenced. This finishes getting rid of the directory. Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-16staging: unisys: s-Par video channel includes EFI framebufferDavid Kershner
The efi framebuffer is defined within the s-Par video channel console. Before we get the device create message for the video console, s-Par has alreaady informed linux about the efi framebuffer and a memory region is already set up for it. Since we do not use the video channel in linux, we are just ignoring the failure of the video channel request_mem_region. Testing: This patch was tested on top of s-Par and we no longer leave the partition in a failed state. Signed-off-by: David Kershner <david.kershner@unisys.com> Signed-off-by: Benjamin Romer <benjamin.romer@unisys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-16tpm, tpm_crb: fix le64_to_cpu conversions in crb_acpi_add()Jarkko Sakkinen
le64_to_cpu() was applied twice to the physical addresses read from the control area. This hasn't shown any visible regressions because CRB driver has been tested only on the little endian platofrms so far. Reported-by: Matt Fleming <matt.fleming@intel.com> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> Reviewed-By: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Cc: <stable@vger.kernel.org> Fixes: 30fc8d138e91 ("tpm: TPM 2.0 CRB Interface") Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
2015-06-16vTPM: set virtual device before passing to ibmvtpm_reset_crqHon Ching \(Vicky\) Lo
tpm_ibmvtpm_probe() calls ibmvtpm_reset_crq(ibmvtpm) without having yet set the virtual device in the ibmvtpm structure. So in ibmvtpm_reset_crq, the phype call contains empty unit addresses, ibmvtpm->vdev->unit_address. Signed-off-by: Hon Ching(Vicky) Lo <honclo@linux.vnet.ibm.com> Signed-off-by: Joy Latten <jmlatten@linux.vnet.ibm.com> Reviewed-by: Ashley Lai <ashley@ahsleylai.com> Cc: <stable@vger.kernel.org> Fixes: 132f76294744 ("drivers/char/tpm: Add new device driver to support IBM vTPM") Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
2015-06-16tpm_ibmvtpm: remove unneccessary message level.Fabian Frederick
KERN_ERR is implicitely declared in pr_err() Signed-off-by: Fabian Frederick <fabf@skynet.be> Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
2015-06-16intel_pstate: Fix overflow in busy_scaled due to long delayPrarit Bhargava
The kernel may delay interrupts for a long time which can result in timers being delayed. If this occurs the intel_pstate driver will crash with a divide by zero error: divide error: 0000 [#1] SMP Modules linked in: btrfs zlib_deflate raid6_pq xor msdos ext4 mbcache jbd2 binfmt_misc arc4 md4 nls_utf8 cifs dns_resolver tcp_lp bnep bluetooth rfkill fuse dm_service_time iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_ftp ip6t_rpfilter ip6t_REJECT ipt_REJECT xt_conntrack ebtable_nat ebtable_broute bridge stp llc ebtable_filter ebtables ip6table_nat nf_conntrack_ipv6 nf_defrag_ipv6 nf_nat_ipv6 ip6table_mangle ip6table_security ip6table_raw ip6table_filter ip6_tables iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack iptable_mangle iptable_security iptable_raw iptable_filter ip_tables intel_powerclamp coretemp vfat fat kvm_intel iTCO_wdt iTCO_vendor_support ipmi_devintf sr_mod kvm crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel aesni_intel cdc_ether lrw usbnet cdrom mii gf128mul glue_helper ablk_helper cryptd lpc_ich mfd_core pcspkr sb_edac edac_core ipmi_si ipmi_msghandler ioatdma wmi shpchp acpi_pad nfsd auth_rpcgss nfs_acl lockd uinput dm_multipath sunrpc xfs libcrc32c usb_storage sd_mod crc_t10dif crct10dif_common ixgbe mgag200 syscopyarea sysfillrect sysimgblt mdio drm_kms_helper ttm igb drm ptp pps_core dca i2c_algo_bit megaraid_sas i2c_core dm_mirror dm_region_hash dm_log dm_mod CPU: 113 PID: 0 Comm: swapper/113 Tainted: G W -------------- 3.10.0-229.1.2.el7.x86_64 #1 Hardware name: IBM x3950 X6 -[3837AC2]-/00FN827, BIOS -[A8E112BUS-1.00]- 08/27/2014 task: ffff880fe8abe660 ti: ffff880fe8ae4000 task.ti: ffff880fe8ae4000 RIP: 0010:[<ffffffff814a9279>] [<ffffffff814a9279>] intel_pstate_timer_func+0x179/0x3d0 RSP: 0018:ffff883fff4e3db8 EFLAGS: 00010206 RAX: 0000000027100000 RBX: ffff883fe6965100 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000010 RDI: 000000002e53632d RBP: ffff883fff4e3e20 R08: 000e6f69a5a125c0 R09: ffff883fe84ec001 R10: 0000000000000002 R11: 0000000000000005 R12: 00000000000049f5 R13: 0000000000271000 R14: 00000000000049f5 R15: 0000000000000246 FS: 0000000000000000(0000) GS:ffff883fff4e0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7668601000 CR3: 000000000190a000 CR4: 00000000001407e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Stack: ffff883fff4e3e58 ffffffff81099dc1 0000000000000086 0000000000000071 ffff883fff4f3680 0000000000000071 fbdc8a965e33afee ffffffff810b69dd ffff883fe84ec000 ffff883fe6965108 0000000000000100 ffffffff814a9100 Call Trace: <IRQ> [<ffffffff81099dc1>] ? run_posix_cpu_timers+0x51/0x840 [<ffffffff810b69dd>] ? trigger_load_balance+0x5d/0x200 [<ffffffff814a9100>] ? pid_param_set+0x130/0x130 [<ffffffff8107df56>] call_timer_fn+0x36/0x110 [<ffffffff814a9100>] ? pid_param_set+0x130/0x130 [<ffffffff8107fdcf>] run_timer_softirq+0x21f/0x320 [<ffffffff81077b2f>] __do_softirq+0xef/0x280 [<ffffffff816156dc>] call_softirq+0x1c/0x30 [<ffffffff81015d95>] do_softirq+0x65/0xa0 [<ffffffff81077ec5>] irq_exit+0x115/0x120 [<ffffffff81616355>] smp_apic_timer_interrupt+0x45/0x60 [<ffffffff81614a1d>] apic_timer_interrupt+0x6d/0x80 <EOI> [<ffffffff814a9c32>] ? cpuidle_enter_state+0x52/0xc0 [<ffffffff814a9c28>] ? cpuidle_enter_state+0x48/0xc0 [<ffffffff814a9d65>] cpuidle_idle_call+0xc5/0x200 [<ffffffff8101d14e>] arch_cpu_idle+0xe/0x30 [<ffffffff810c67c1>] cpu_startup_entry+0xf1/0x290 [<ffffffff8104228a>] start_secondary+0x1ba/0x230 Code: 42 0f 00 45 89 e6 48 01 c2 43 8d 44 6d 00 39 d0 73 26 49 c1 e5 08 89 d2 4d 63 f4 49 63 c5 48 c1 e2 08 48 c1 e0 08 48 63 ca 48 99 <48> f7 f9 48 98 4c 0f af f0 49 c1 ee 08 8b 43 78 c1 e0 08 44 29 RIP [<ffffffff814a9279>] intel_pstate_timer_func+0x179/0x3d0 RSP <ffff883fff4e3db8> The kernel values for cpudata for CPU 113 were: struct cpudata { cpu = 113, timer = { entry = { next = 0x0, prev = 0xdead000000200200 }, expires = 8357799745, base = 0xffff883fe84ec001, function = 0xffffffff814a9100 <intel_pstate_timer_func>, data = 18446612406765768960, <snip> i_gain = 0, d_gain = 0, deadband = 0, last_err = 22489 }, last_sample_time = { tv64 = 4063132438017305 }, prev_aperf = 287326796397463, prev_mperf = 251427432090198, sample = { core_pct_busy = 23081, aperf = 2937407, mperf = 3257884, freq = 2524484, time = { tv64 = 4063149215234118 } } } which results in the time between samples = last_sample_time - sample.time = 4063149215234118 - 4063132438017305 = 16777216813 which is 16.777 seconds. The duration between reads of the APERF and MPERF registers overflowed a s32 sized integer in intel_pstate_get_scaled_busy()'s call to div_fp(). The result is that int_tofp(duration_us) == 0, and the kernel attempts to divide by 0. While the kernel shouldn't be delaying for a long time, it can and does happen and the intel_pstate driver should not panic in this situation. This patch changes the div_fp() function to use div64_s64() to allow for "long" division. This will avoid the overflow condition on long delays. [v2]: use div64_s64() in div_fp() Signed-off-by: Prarit Bhargava <prarit@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-06-16ahci: Add support for Cavium's ThunderX host controllerRobert Richter
This patch adds support for Cavium's ThunderX host controller. The controller resides on the SoC and is a AHCI compatible SATA controller with one port, compliant with Serial ATA 3.1 and AHCI Revision 1.31. There can exists multiple SATA controllers on the SoC. The controller depends on MSI-X support since the PCI ECAM controller on the SoC does not implement MSI nor lagacy intx interrupt support. Thus, during device initialization, if MSI fails MSI-X will be used to enable the device's interrupts. The controller uses non-standard BAR0 for its register range. The already existing device lookup (vendor and device id) that is already implemented for other host controllers is used to change the PCI BAR. Signed-off-by: Robert Richter <rrichter@cavium.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2015-06-16ahci: Add generic MSI-X support for single interrupts to SATA PCI driverRobert Richter
This patch adds generic MSI-X support for single interrupts to the SATA PCI driver. MSI-X support is needed for host controller that only have MSI-X support implemented, but no MSI or intx. This patch only adds support for single interrupts, multiple per-port MSI-X interrupts are not yet implemented. The new implementation still initializes MSIs first. Only if that fails, the code tries to enable MSI-X. If that fails too, setup is continued with intx interrupts. To not break other chips by this generic code change, there are the following precautions: * Interrupt ranges are not enabled at all. * Only single interrupt mode is enabled for msix cap devices. Thus, only one interrupt will be setup. * During the discussion with Tejun we agreed to change the init sequence from msix-msi-intx to msi-msix-intx. Thus, if a device offers msi and init does not fail, the msix init code will not be executed. This is equivalent to current code. With this, the code only setups single mode msix as a last resort if msi fails. No interrupt range is enabled at all. Only one interrupt will be enabled. tj: comment edits. Changes of the patch series: v5: * updated patch subject that the patch only implements single IRQ * moved Cavium specific code to a separate patch * detect Cavium ThunderX device with PCI_CLASS_STORAGE_SATA_AHCI instead of vendor/dev id * added more comments to the code * enable single msix support for all kind of devices (removing strict check) * rebased onto update libata/for-4.2 with patch 1, 2 applied v4: * removed implementation of ahci_init_intx() * improved patch descriptions * rebased onto libata/for-4.2 v3: * store irq number in struct ahci_host_priv * change initialization order from msix-msi-intx to msi-msix-intx * improve comments in ahci_init_msix() * improve error message in ahci_init_msix() * do not enable MSI-X if MSI is actively disabled for the device v2: * determine irq vector from pci_dev->msi_list Based on a patch from Sunil Goutham <sgoutham@cavium.com>. Signed-off-by: Robert Richter <rrichter@cavium.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2015-06-16Merge branch 'acpi-scan' into acpi-videoRafael J. Wysocki
2015-06-16at86rf230: cleanup start and stop callbacksAlexander Aring
This code cleanups the start and stop callbacks by removing hw->priv and using the already dereferenced variable lp which is the same. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-16at86rf230: add recommended csma backoffs settingsAlexander Aring
This patch adds support for a new random csma backoffs settings when going into sleep state. This is recommended according at86rf2xx datasheets. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-16at86rf230: fix phy settings while sleepingAlexander Aring
While in sleep state then we can't access the at86rf2xx registers. This patch checks if the transceiver is in sleep state before sending spi messages via regmap. Regmap is used on every driver ops callback except for receive and xmit handling, but while receive and xmit handling the phy should not be inside the sleep state. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-06-16ALSA: HDAC: move SND_HDA_PREALLOC_SIZE to coreVinod Koul
Since this is common option for HDA driver to specfiy pre-allocated buffer, we should make this option availble to all HDA driver by moving this to HDA core Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-06-16regulator: fix simple_return.cocci warningsJulia Lawall
Simplify a trivial if-return sequence and combine with a preceding function call. Generated by: scripts/coccinelle/misc/simple_return.cocci CC: Mark Brown <broonie@kernel.org> Signed-off-by: Julia Lawall <julia.lawall@lip6.fr> Signed-off-by: Mark Brown <broonie@kernel.org>
2015-06-16perf probe: Fix to return error if no probe is addedMasami Hiramatsu
Fix perf probe to return an error if no probe is added due to the given probe point being on the blacklist. To fix this problem, this moves the blacklist checking to right after finding symbols/probe-points and marks them as skipped. If all the symbols are skipped, "perf probe" returns an error as it fails to find the corresponding probe address. E.g. currently if a blacklisted probe is given: # perf probe do_trap && echo 'succeed' Added new event: Warning: Skipped probing on blacklisted function: sync_regs succeed No! It must fail! With this patch, it correctly fails: # perf probe do_trap && echo 'succeed' do_trap is blacklisted function, skip it. Probe point 'do_trap' not found. Error: Failed to add events. Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naohiro Aota <naota@elisp.net> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20150616115055.19906.31359.stgit@localhost.localdomain Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-06-16mtip32xx: increase wait time for hba resetAsai Thambi SP
In LUN failure conditions, device takes longer time to complete the hba reset. Increased wait time from 1 second to 10 seconds. Signed-off-by: Sam Bradshaw <sbradshaw@micron.com> Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-06-16mtip32xx: fix minor numberAsai Thambi SP
When a device is surprise removed and inserted, it is assigned a new minor number because driver use multiples of 'instance' number. Modified to use the multiples of 'index' for minor number. Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-06-16mtip32xx: remove unnecessary sleep in mtip_ftl_rebuild_poll()Asai Thambi SP
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-06-16mtip32xx: fix crash on surprise removal of the driveAsai Thambi SP
pci and block layers have changed a lot compared to when SRSI support was added. Given the current state of pci and block layers, this driver do not have to do any specific handling. Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Selvan Mani <smani@micron.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-06-16mtip32xx: Abort I/O during secure erase operationAsai Thambi SP
Currently I/Os are being queued when secure erase operation starts, and issue them after the operation completes. As all data will be gone when the operation completes, any queued I/O doesn't make sense. Hence, abort I/O (return -ENODATA) as soon as the driver receives. Signed-off-by: Selvan Mani <smani@micron.com> Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-06-16mtip32xx: fix incorrectly setting MTIP_DDF_SEC_LOCK_BITAsai Thambi SP
Fix incorrectly setting MTIP_DDF_SEC_LOCK_BIT Signed-off-by: Selvan Mani <smani@micron.com> Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-06-16mtip32xx: remove unused variable 'port->allocated'Asai Thambi SP
Remove unused variable 'port->allocated' Signed-off-by: Selvan Mani <smani@micron.com> Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-06-16mtip32xx: fix rmmod issueAsai Thambi SP
put_disk() need to be called after del_gendisk() to free the disk object structure. Signed-off-by: Selvan Mani <smani@micron.com> Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2015-06-16perf unwind: Fix a compile errorHou Pengyang
When libunwind is on, there is a compile error as : util/unwind-libunwind.c:363:21: error: 'dso' undeclared (first use in this function) dso__data_put_fd(dso); This patch fixes it. Signed-off-by: Hou Pengyang <houpengyang@huawei.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Fixes: 4bb11d012ab248d0 ("perf tools: Add dso__data_get/put_fd()") Link: http://lkml.kernel.org/r/1434453395-10560-1-git-send-email-houpengyang@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-06-16perf stat: Introduce perf_counts__(new|delete|reset) functionsJiri Olsa
Move 'struct perf_counts' allocation|free|reset code into separate functions. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1434269985-521-13-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-06-16perf tools: Move perf_evsel__(alloc|free|reset)_counts into stat objectJiri Olsa
It's stat specific. Updating python build objects with stat.c. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1434269985-521-12-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-06-16perf tools: Add thread_map__(alloc|realloc) helpersJiri Olsa
In order to have 'struct thread_map' allocation on single place and can change it easily in following patch. Using alloc|realloc for static helpers, because thread_map__new is already used in public interface. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1434269985-521-3-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-06-16perf tools: Introduce xyarray__reset functionJiri Olsa
To zero all the xyarray contents. It will be used in following patches. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1434269985-521-2-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-06-16perf probe: List probes in stdoutMasami Hiramatsu
Since commit 5e17b28f1e24 ("perf probe: Add --quiet option to suppress output result message") have replaced printf with pr_info, perf probe -l outputs its result in stderr. However, that is not what the commit expected. E.g.: # perf probe -l > /dev/null probe:vfs_read (on vfs_read@ksrc/linux-3/fs/read_write.c) With this fix: # perf probe -l > list # cat list probe:vfs_read (on vfs_read@ksrc/linux-3/fs/read_write.c) Of course, --quiet(-q) still works on --add/--del. # perf probe -q vfs_write # perf probe -l probe:vfs_read (on vfs_read@ksrc/linux-3/fs/read_write.c) probe:vfs_write (on vfs_write@ksrc/linux-3/fs/read_write.c) ----- Reported-by: Naohiro Aota <naota@elisp.net> Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naohiro Aota <naota@elisp.net> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20150613013116.24402.2923.stgit@localhost.localdomain Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-06-16tools lib traceevent: Fix python/perf.so compiling errorWang Nan
'make build-test' finds an error that make_python_perf_so fails due to missing of libtraceevent-dynamic-list: '.../python2' util/setup.py \ --quiet build_ext; \ mkdir -p python && \ cp python_ext_build/lib/perf.so python/ /path/to/ld: cannot open linker script file /path/to/kernel/tools/lib/traceevent/libtraceevent-dynamic-list: No such file or directory collect2: error: ld returned 1 exit status error: command 'x86_64-linux-gcc' failed with exit status 1 cp: cannot stat 'python_ext_build/lib/perf.so': No such file or directory make[3]: *** [python/perf.so] Error 1 make[2]: *** [python/perf.so] Error 2 test: test -f ./python/perf.so make[1]: *** [make_python_perf_so] Error 1 make: *** [build-test] Error 2 make: Leaving directory `/path/to/kernel/tools/perf' This is caused by commit e3d09ec8126fe2c9a3ade661e2126e215ca27a80 ("tools lib traceevent: Export dynamic symbols used by traceevent plugins") that, it adds the list file to LDFLAGS but forgot to add it to dependency list of python/perf.so. This patch fixes this problem. Signed-off-by: Wang Nan <wangnan0@huawei.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: He Kuang <hekuang@huawei.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Zefan Li <lizefan@huawei.com> Link: http://lkml.kernel.org/r/1434079031-123162-1-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-06-16perf tools: Replace map->referenced & maps->removed_maps with map->refcntArnaldo Carvalho de Melo
Use just reference counts, so that when no more hist_entry instances references a map and the thread instance goes away by processing a PERF_RECORD_EXIT, we can delete the maps. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-oym7lfhcc7ss6xpz44h7nbxs@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-06-16Merge branches 'pci/host-designware', 'pci/host-designware-common', ↵Bjorn Helgaas
'pci/host-generic', 'pci/host-imx6', 'pci/host-iproc' and 'pci/host-xgene' into next * pci/host-designware: PCI: designware: Use iATU0 for cfg and IO, iATU1 for MEM PCI: designware: Consolidate outbound iATU programming functions PCI: designware: Add support for x8 links * pci/host-designware-common: PCI: designware: Wait for link to come up with consistent style PCI: layerscape: Factor out ls_pcie_establish_link() PCI: layerscape: Use dw_pcie_link_up() consistently PCI: dra7xx: Use dw_pcie_link_up() consistently PCI: imx6: Rename imx6_pcie_start_link() to imx6_pcie_establish_link() * pci/host-generic: of/pci: Fix pci_address_to_pio() conversion of CPU address to I/O port * pci/host-imx6: PCI: imx6: Add #define PCIE_RC_LCSR PCI: imx6: Use "u32", not "uint32_t" PCI: imx6: Add speed change timeout message * pci/host-iproc: PCI: iproc: Free resource list after registration PCI: iproc: Directly add PCI resources PCI: iproc: Add BCMA PCIe driver PCI: iproc: Allow override of device tree IRQ mapping function * pci/host-xgene: arm64: dts: Add APM X-Gene PCIe MSI nodes PCI: xgene: Add APM X-Gene v1 PCIe MSI/MSIX termination driver
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