- 09 Aug, 2012 32 commits
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Sarah Sharp authored
commit 9cf65991 upstream. The USB 3.0 Set/Clear Feature U1/U2 Enable cannot be sent to a device in the Default or Addressed state. It can only be sent to a configured device. Change the USB core to initialize the LPM disable count to 1 (disabled), which reflects this limitation. Change usb_set_configuration() to ensure that if the device is unconfigured on entry, usb_lpm_disable() is not called. This avoids sending the Clear Feature U1/U2 when the device is in the Addressed state. When usb_set_configuration() exits with a successfully installed configuration, usb_lpm_enable() will be called. Once the new configuration is installed, make sure usb_set_configuration() only calls usb_enable_lpm() if the device moved to the Configured state. If we have unconfigured the device by sending it a Set Configuration for config 0, don't enable LPM. This commit should be backported to kernels as old as 3.5, that contain the commit 8306095f "USB: Disable USB 3.0 LPM in critical sections." Signed-off-by:
Sarah Sharp <sarah.a.sharp@linux.intel.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Gerd Hoffmann authored
commit c621a81e upstream. This reverts commit e4d8318a. This patch makes uas.c call usb_unlink_urb on data urbs. The data urbs get freed in the completion callback. This is illegal according to the usb_unlink_urb documentation. This patch also makes the code expect the data completion callback being called before the status completion callback. This isn't guaranteed to be the case, even though the actual data transfer should be finished by the time the status is received. Background: The ehci irq handler for example only know that there are finished transfers, it then has go check the QHs & TDs to see which transfers did actually finish. It has no way to figure in which order the transfers did complete. The xhci driver can call the callbacks in completion order thanks to the event queue. This does nicely explain why the driver is solid on a (usb2) xhci port whereas it goes crazy on ehci in my testing. Signed-off-by:
Gerd Hoffmann <kraxel@redhat.com> Signed-off-by:
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Bjørn Mork authored
commit 09110529 upstream. Sold by O2 (telefonica germany) under the name "LTE4G" Tested-by:
Thomas Schäfer <tschaefer@t-online.de> Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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Kevin Cernekee authored
commit 31bde1ce upstream. A "usb0" interface that has never been connected to a host has an unknown operstate, and therefore the IFF_RUNNING flag is (incorrectly) asserted when queried by ifconfig, ifplugd, etc. This is a result of calling netif_carrier_off() too early in the probe function; it should be called after register_netdev(). Similar problems have been fixed in many other drivers, e.g.: e826eafa (bonding: Call netif_carrier_off after register_netdevice) 0d672e9f (drivers/net: Call netif_carrier_off at the end of the probe) 6a3c869a (cxgb4: fix reported state of interfaces without link) Fix is to move netif_carrier_off() to the end of the function. Signed-off-by:
Kevin Cernekee <cernekee@gmail.com> Signed-off-by:
Felipe Balbi <balbi@ti.com> Signed-off-by:
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Hans de Goede authored
commit 2102e06a upstream. iso data buffers may have holes in them if some packets were short, so for iso urbs we should always copy the entire buffer, just like the regular processcompl does. Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Acked-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Benjamin Tissoires authored
commit 4aceed37 upstream. Zytronic panels shows a new way of setting the Input Mode feature. This feature is put in the second usage in the HID feature, instead of the first, as the majority of the multitouch devices. This patch adds a detection step when the feature is presented to know where the feature is located in the report. We can then trigger the right command to the device. This removes the magic number "0" in the function mt_set_input_mode. Signed-off-by:
Benjamin Tissoires <benjamin.tissoires@enac.fr> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Cc: Simon Farnsworth <simon.farnsworth@onelan.co.uk> Signed-off-by:
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Dylan Reid authored
commit b43d2247 upstream. After cancel_delayed_work_sync returns, the power down work either never started (power_on == 1) or finished (power_on == 0). In the former case there is no need to power up again. Signed-off-by:
Dylan Reid <dgreid@chromium.org> Signed-off-by:
Takashi Iwai <tiwai@suse.de> Signed-off-by:
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Dylan Reid authored
commit 9e76e6d0 upstream. Turn on the pin widget's PIN_OUT bit from playback prepare. The pin is enabled in open, but is disabled in hdmi_init_pin which is called during system resume. This causes a system suspend/resume during playback to mute HDMI/DP. Enabling the pin in prepare instead of open allows calling snd_pcm_prepare after a system resume to restore audio. Signed-off-by:
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David Henningsson authored
commit 4e01ec63 upstream. This codec has a separate dmic path (separate dmic only ADC), and thus it looks mostly like ALC275. BugLink: https://bugs.launchpad.net/bugs/1025377Tested-by:
Ray Chen <ray.chen@canonical.com> Signed-off-by:
David Henningsson <david.henningsson@canonical.com> Signed-off-by:
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Mark Brown authored
commit e4dd7678 upstream. Ensure robust startup of the part by going through the reset procedure prior to resyncing the full register cache, avoiding potential intermittent faults in some designs. Signed-off-by:
Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by:
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Mark Brown authored
commit 0ff97ebf upstream. Ever since the DAPM performance improvements we've been marking all widgets as not dirty after each DAPM run. Since _PRE and _POST events aren't part of the DAPM graph this has rendered them non-functional, they will never be marked dirty again and thus will never be run again. Fix this by skipping them when marking widgets as not dirty. Signed-off-by:
Liam Girdwood <lrg@ti.com> Signed-off-by:
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Liam Girdwood authored
commit 01005a72 upstream. Codec shutdown performs a DAPM power sequence that might cause conflicts and/or race conditions if another stream power event is running simultaneously. Use card's dapm mutex to protect any potential race condition between them. Signed-off-by:
Misael Lopez Cruz <misael.lopez@ti.com> Signed-off-by:
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Stephen Warren authored
commit 01ad8063 upstream. On TrimSlice, Tegra's USB1 port may be routed to either an external micro USB port, or an internal USB->SATA bridge for SSD or HDD. This muxing is controlled by a GPIO. Whilst not strictly a VBUS GPIO, the TrimSlice board files caused this GPIO to be set appropriately to enable the SATA bridge by passing it as the VBUS GPIO to the USB driver. Echo this same configuration in device tree to enable the SATA bridge. An alternative might be to implement a full USB bus mux driver. However, that seems over-complex right now. Signed-off-by:
Stephen Warren <swarren@nvidia.com> Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Nishanth Menon authored
commit b110547e upstream. Commit 9fa2df6b (ARM: OMAP2+: OPP: allow OPP enumeration to continue if device is not present) makes the logic: for (i = 0; i < opp_def_size; i++) { <snip> if (!oh || !oh->od) { <snip> continue; } <snip> opp_def++; } In short, the moment we hit a "Bad OPP", we end up looping the list comparing against the bad opp definition pointer for the rest of the iteration count. Instead, increment opp_def in the for loop itself and allow continue to be used in code without much thought so that we check the next set of OPP definition pointers :) Cc: Steve Sakoman <steve@sakoman.com> Cc: Tony Lindgren <tony@atomide.com> Signed-off-by:
Nishanth Menon <nm@ti.com> Signed-off-by:
Kevin Hilman <khilman@ti.com> Signed-off-by:
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Stephen Warren authored
commit a6a3dd1a upstream. This was accidentally disabled by commit 2a5fdc9a "ARM: dt: tegra: invert status=disable vs status=okay". Signed-off-by:
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Albert Pool authored
commit 8fd9d059 upstream. D-Link DWA-123 rev A1 Signed-off-by: Albert Pool<albertpool@solcon.nl> Acked-by:
Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com> Signed-off-by:
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Bart Van Assche authored
commit 940f5d47 upstream. When we call scsi_unprep_request() the command associated with the request gets destroyed and therefore drops its reference on the device. If this was the only reference, the device may get released and we end up with a NULL pointer deref when we call blk_requeue_request. Reported-by:
Mike Christie <michaelc@cs.wisc.edu> Signed-off-by:
Bart Van Assche <bvanassche@acm.org> Reviewed-by:
Tejun Heo <tj@kernel.org> [jejb: enhance commend and add commit log for stable] Signed-off-by:
James Bottomley <JBottomley@Parallels.com> Signed-off-by:
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Bart Van Assche authored
commit 67bd9413 upstream. Use blk_queue_dead() to test whether the queue is dead instead of !sdev. Since scsi_prep_fn() may be invoked concurrently with __scsi_remove_device(), keep the queuedata (sdev) pointer in __scsi_remove_device(). This patch fixes a kernel oops that can be triggered by USB device removal. See also http://www.spinics.net/lists/linux-scsi/msg56254.html. Other changes included in this patch: - Swap the blk_cleanup_queue() and kfree() calls in scsi_host_dev_release() to make that code easier to grasp. - Remove the queue dead check from scsi_run_queue() since the queue state can change anyway at any point in that function where the queue lock is not held. - Remove the queue dead check from the start of scsi_request_fn() since it is redundant with the scsi_device_online() check. Reported-by:
Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by:
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Dan Williams authored
commit 3b661a92 upstream. The following crash results from cases where the end_device has been removed before scsi_sysfs_add_sdev has had a chance to run. BUG: unable to handle kernel NULL pointer dereference at 0000000000000098 IP: [<ffffffff8115e100>] sysfs_create_dir+0x32/0xb6 ... Call Trace: [<ffffffff8125e4a8>] kobject_add_internal+0x120/0x1e3 [<ffffffff81075149>] ? trace_hardirqs_on+0xd/0xf [<ffffffff8125e641>] kobject_add_varg+0x41/0x50 [<ffffffff8125e70b>] kobject_add+0x64/0x66 [<ffffffff8131122b>] device_add+0x12d/0x63a [<ffffffff814b65ea>] ? _raw_spin_unlock_irqrestore+0x47/0x56 [<ffffffff8107de15>] ? module_refcount+0x89/0xa0 [<ffffffff8132f348>] scsi_sysfs_add_sdev+0x4e/0x28a [<ffffffff8132dcbb>] do_scan_async+0x9c/0x145 ...teach scsi_sysfs_add_devices() to check for deleted devices() before trying to add them, and teach scsi_remove_target() how to remove targets that have not been added via device_add(). Reported-by:
Dariusz Majchrzak <dariusz.majchrzak@intel.com> Signed-off-by:
Dan Williams <dan.j.williams@intel.com> Signed-off-by:
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Dan Williams authored
commit 57fc2e33 upstream. Rapid ata hotplug on a libsas controller results in cases where libsas is waiting indefinitely on eh to perform an ata probe. A race exists between scsi_schedule_eh() and scsi_restart_operations() in the case when scsi_restart_operations() issues i/o to other devices in the sas domain. When this happens the host state transitions from SHOST_RECOVERY (set by scsi_schedule_eh) back to SHOST_RUNNING and ->host_busy is non-zero so we put the eh thread to sleep even though ->host_eh_scheduled is active. Before putting the error handler to sleep we need to check if the host_state needs to return to SHOST_RECOVERY for another trip through eh. Since i/o that is released by scsi_restart_operations has been blocked for at least one eh cycle, this implementation allows those i/o's to run before another eh cycle starts to discourage hung task timeouts. Reported-by:
Tom Jackson <thomas.p.jackson@intel.com> Tested-by:
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Dan Williams authored
commit b17caa17 upstream. commit 198439e4 [SCSI] libsas: do not set res = 0 in sas_ex_discover_dev() commit 19252de6 [SCSI] libsas: fix wide port hotplug issues The above commits seem to have confused the return value of sas_ex_discover_dev which is non-zero on failure and sas_ex_join_wide_port which just indicates short circuiting discovery on already established ports. The result is random discovery failures depending on configuration. Calls to sas_ex_join_wide_port are the source of the trouble as its return value is errantly assigned to 'res'. Convert it to bool and stop returning its result up the stack. Tested-by:
Dan Melnic <dan.melnic@amd.com> Reported-by:
Jack Wang <jack_wang@usish.com> Signed-off-by:
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Dan Williams authored
commit 26f2f199 upstream. Continue running revalidation until no more broadcast devices are discovered. Fixes cases where re-discovery completes too early in a domain with multiple expanders with pending re-discovery events. Servicing BCNs can get backed up behind error recovery. Signed-off-by:
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Alan Cox authored
commit 3b9fc372 upstream. Consider the input case of a rule that consists entirely of non space symbols followed by a \0. Say 64 + \0 In this case strlen(data) = 64 kzalloc of subject and object are 64 byte objects sscanfdata, "%s %s %s", subject, ...) will put 65 bytes into subject. Signed-off-by:
Alan Cox <alan@linux.intel.com> Acked-by:
Casey Schaufler <casey@schaufler-ca.com> Signed-off-by:
James Morris <james.l.morris@oracle.com> Signed-off-by:
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Timur Tabi authored
commit 6bd825f0 upstream. In order to enable the DIU video controller on the P1022DS, the FPGA needs to be switched to "indirect mode", where the localbus is disabled and the FPGA is accessed via writes to localbus chip select signals CS0 and CS1. To obtain the address of CS0 and CS1, the platform driver uses an "indirect pixis mode" device tree node. This node assumes that the localbus 'ranges' property is sorted in chip-select order. That is, reg value 0 maps to CS0, reg value 1 maps to CS1, etc. This is how the 'ranges' property is supposed to be arranged. Unfortunately, the 'ranges' property is often mis-arranged, and not just on the P1022DS. Linux normally does not care, since it does not program the localbus. But the indirect-mode code on the P1022DS does care. The "proper" fix is to have U-Boot fix the 'ranges' property, but this would be too cumbersome. The names and 'reg' properties of all the localbus devices would also need to be updated, and determining which localbus device maps to which chip select is board-specific. Instead, we determine the CS0/CS1 base addresses the same way that U-boot does -- by reading the BRx registers directly and mapping them to physical addresses. This code is simpler and more reliable, and it does not require a U-boot or device tree change. Since the indirect pixis device tree node is no longer needed, the node is deleted from the DTS. Signed-off-by:
Timur Tabi <timur@freescale.com> Signed-off-by:
Kumar Gala <galak@kernel.crashing.org> Signed-off-by:
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Anton Blanchard authored
commit ac46a462 upstream. We are seeing an oops in be_get_fw_log_level on ppc64 where we walk off the end of memory. commit 941a77d5 (be2net: Fix to allow get/set of debug levels in the firmware.) requires byteswapping of num_modes and num_modules. Signed-off-by:
Anton Blanchard <anton@samba.org> Acked-by:
Sathya Perla <sperla@emulex.com> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Kleber Sacilotto de Souza authored
commit 10db8d21 upstream. Function eeh_event_handler() dereferences the pointer returned by handle_eeh_events() without checking, causing a crash if NULL was returned, which is expected in some situations. This patch fixes this bug by checking for the value returned by handle_eeh_events() before dereferencing it. Signed-off-by:
Kleber Sacilotto de Souza <klebers@linux.vnet.ibm.com> Signed-off-by:
Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by:
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Tiejun Chen authored
commit b416c9a1 upstream. Add "memory" attribute in inline assembly language as a compiler barrier to make sure 4.6.x GCC don't reorder mfmsr(). Signed-off-by:
Tiejun Chen <tiejun.chen@windriver.com> Signed-off-by:
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roger blofeld authored
commit fd5a4298 upstream. Just like the module loader, ftrace needs to be updated to use r12 instead of r11 with newer gcc's. Signed-off-by:
Roger Blofeld <blofeldus@yahoo.com> Signed-off-by:
Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by:
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Aaron Lu authored
commit 473b095a upstream. For SD hosts using retuning mode 1, when retuning timer expired, it will need to do retuning in sdhci_request before processing the actual request. But the retuning command is fixed: cmd19 for SD card and cmd21 for eMMC card, so we can't use the original request's command to do the tuning. And since the tuning command depends on the card type attached to the host, we will need to know the card type to use the correct tuning command. Signed-off-by:
Aaron Lu <aaron.lu@amd.com> Reviewed-by:
Philip Rakity <prakity@marvell.com> Signed-off-by:
Chris Ball <cjb@laptop.org> Signed-off-by:
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Daniel Drake authored
commit 55fc05b7 upstream. At http://dev.laptop.org/ticket/11980 we have determined that the Marvell CaFe SDHCI controller reports bad card presence during resume. It reports that no card is present even when it is. This is a regression -- resume worked back around 2.6.37. Around 400ms after resuming, a "card inserted" interrupt is generated, at which point it starts reporting presence. Work around this hardware oddity by setting the SDHCI_QUIRK_BROKEN_CARD_DETECTION flag. Thanks to Chris Ball for helping with diagnosis. Signed-off-by:
Daniel Drake <dsd@laptop.org> Signed-off-by:
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Al Viro authored
commit bf6932f4 upstream. From Al Viro: BTW, speaking of struct file treatment related to sockets - there's this piece of code in iscsi: /* * The SCTP stack needs struct socket->file. */ if ((np->np_network_transport == ISCSI_SCTP_TCP) || (np->np_network_transport == ISCSI_SCTP_UDP)) { if (!new_sock->file) { new_sock->file = kzalloc( sizeof(struct file), GFP_KERNEL); For one thing, as far as I can see it'not true - sctp does *not* depend on socket->file being non-NULL; it does, in one place, check socket->file->f_flags for O_NONBLOCK, but there it treats NULL socket->file as "flag not set". Which is the case here anyway - the fake struct file created in __iscsi_target_login_thread() (and in iscsi_target_setup_login_socket(), with the same excuse) do *not* get that flag set. Moreover, it's a bloody serious violation of a bunch of asserts in VFS; all struct file instances should come from filp_cachep, via get_empty_filp() (or alloc_file(), which is a wrapper for it). FWIW, I'm very tempted to do this and be done with the entire mess: Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Cc: Andy Grover <agrover@redhat.com> Cc: Hannes Reinecke <hare@suse.de> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by:
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Roland Dreier authored
commit e2397c70 upstream. Many SCSI commands are defined to return a CHECK CONDITION / ILLEGAL REQUEST with ASC set to LOGICAL BLOCK ADDRESS OUT OF RANGE if the initiator sends a command that accesses a too-big LBA. Add an enum value and case entries so that target code can return this status. Signed-off-by:
Roland Dreier <roland@purestorage.com> Signed-off-by:
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- 21 Jul, 2012 7 commits
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Linus Torvalds authored
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Rafael J. Wysocki authored
The SYSTEM_SUSPEND_DISK system state is never used, so drop it. Signed-off-by:
Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
Merge emailed kgdb dmesg fixups patches from Anton Vorontsov: "The dmesg command appears to be broken after the printk rework. The old logic in the kdb code makes no sense in terms of current printk/logging storage format, and KDB simply hangs forever upon entering 'dmesg' command. The first patch revives the command by switching to kmsg_dumper iterator. As a side-effect, the code is now much more simpler. A few changes were needed in the printk.c: we needed unlocked variant of the kmsg_dumper iterator, but these can surely wait for 3.6. It's probably too late even for the first patch to go to 3.5, but I'll try to convince otherwise. :-) Here we go: - The current code is broken for sure, and has no hope to work at all. It is a regression - The new code works for me, and probably works for everyone else; - If it compiles (and I urge everyone to compile-test it on your setup), it hardly can make things worse." * Merge emailed patches from Anton Vorontsov: (4 commits) kdb: Switch to nolock variants of kmsg_dump functions printk: Implement some unlocked kmsg_dump functions printk: Remove kdb_syslog_data kdb: Revive dmesg command -
Anton Vorontsov authored
The locked variants are prone to deadlocks (suppose we got to the debugger w/ the logbuf lock held), so let's switch to nolock variants. Signed-off-by:
Anton Vorontsov <anton.vorontsov@linaro.org> Signed-off-by:
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Anton Vorontsov authored
If used from KDB, the locked variants are prone to deadlocks (suppose we got to the debugger w/ the logbuf lock held). So, we have to implement a few routines that grab no logbuf lock. Yet we don't need these functions in modules, so we don't export them. Signed-off-by:
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Anton Vorontsov authored
The function is no longer needed, so remove it. Signed-off-by:
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Anton Vorontsov authored
The kgdb dmesg command is broken after the printk rework. The old logic in kdb code makes no sense in terms of current printk/logging storage format, and KDB simply hangs forever. This patch revives the command by switching to kmsg_dumper iterator. The code is now much more simpler and shorter. Signed-off-by:
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- 20 Jul, 2012 1 commit
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git://git.linux-mips.org/pub/scm/ralf/upstream-linusLinus Torvalds authored
Pull late MIPS fixes from Ralf Baechle: "This fixes a number of lose ends in the MIPS code and various bug fixes. Aside of dropping some patch that should not be in this pull request everything has sat in -next for quite a while and there are no known issues. The biggest patch in this patch set moves the allocation of an array that is aliased to a function (for runtime generated code) to assembler code. This avoids an issue with certain toolchains when building for microMIPS." * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (35 commits) MIPS: PCI: Move fixups from __init to __devinit. MIPS: Fix bug.h MIPS build regression MIPS: sync-r4k: remove redundant irq operation MIPS: smp: Warn on too early irq enable MIPS: call set_cpu_online() on cpu being brought up with irq disabled MIPS: call ->smp_finish() a little late MIPS: Yosemite: delay irq enable to ->smp_finish() MIPS: SMTC: delay irq enable to ->smp_finish() MIPS: BMIPS: delay irq enable to ->smp_finish() MIPS: Octeon: delay enable irq to ->smp_finish() MIPS: Oprofile: Fix build as a module. MIPS: BCM63XX: Fix BCM6368 IPSec clock bit MIPS: perf: Fix build error caused by unused counters_per_cpu_to_total() MIPS: Fix Magic SysRq L kernel crash. MIPS: BMIPS: Fix duplicate header inclusion. mips: mark const init data with __initconst instead of __initdata MIPS: cmpxchg.h: Add missing include MIPS: Malta may also be equipped with MIPS64 R2 processors. MIPS: Fix typo multipy -> multiply MIPS: Cavium: Fix duplicate ARCH_SPARSEMEM_ENABLE in kconfig. ...
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