- 08 Jul, 2014 1 commit
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Aaron Plattner authored
Vendor ID 0x10de0070 is used by a yet-to-be-named GPU chip. Signed-off-by:
Aaron Plattner <aplattner@nvidia.com> Signed-off-by:
Takashi Iwai <tiwai@suse.de>
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- 07 Jul, 2014 1 commit
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Thierry Reding authored
The hda_tegra_disable_clocks() function is only used by the suspend and resume code, so it needs to be included in the #ifdef CONFIG_PM_SLEEP block to prevent the following warning: CC sound/pci/hda/hda_tegra.o sound/pci/hda/hda_tegra.c:238:13: warning: 'hda_tegra_disable_clocks' defined but not used [-Wunused-function] static void hda_tegra_disable_clocks(struct hda_tegra *data) ^ Signed-off-by:Thierry Reding <treding@nvidia.com> Signed-off-by:
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- 04 Jul, 2014 2 commits
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Mengdong Lin authored
For HSW/BDW display HD-A controller, hda_set_bclk() is defined to set BCLK by programming the M/N values as per the core display clock (CDCLK) queried from i915 display driver. And the audio driver will also set BCLK in azx_first_init() since the display driver can turn off the shared power in boot phase if only eDP is connected and M/N values will be lost and must be reprogrammed. Signed-off-by:
Mengdong Lin <mengdong.lin@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by:
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Jani Nikula authored
For Haswell and Broadwell, if the display power well has been disabled, the display audio controller divider values EM4 M VALUE and EM5 N VALUE will have been lost. The CDCLK frequency is required for reprogramming them to generate 24MHz HD-A link BCLK. So provide a private interface for the audio driver to query CDCLK. This is a stopgap solution until a more generic interface between audio and display drivers has been implemented. Signed-off-by:
Jani Nikula <jani.nikula@intel.com> Reviewed-by:
Damien Lespiau <damien.lespiau@intel.com> Signed-off-by:
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- 27 Jun, 2014 2 commits
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Takashi Iwai authored
The similar fixup as T440 is needed for supporting the dock on T540. Reported-by:
Jim Minter <jminter@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by:
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David Henningsson authored
Another quirk to make the headset mic work on some new Dell machines. Cc: Hui Wang <hui.wang@canonical.com> BugLink: https://bugs.launchpad.net/bugs/1297581Signed-off-by:
David Henningsson <david.henningsson@canonical.com> Signed-off-by:
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- 26 Jun, 2014 2 commits
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Mengdong Lin authored
For Intel Haswell/Broadwell display HD-A controller, the 24MHz HD-A link BCLK is converted from Core Display Clock (CDCLK): BCLK = CDCLK * M / N And there are two registers EM4 and EM5 to program M, N value respectively. The EM4/EM5 values will be lost and when the display power well is disabled. BIOS programs CDCLK selected by OEM and EM4/EM5, but BIOS has no idea about display power well on/off at runtime. So the M/N can be wrong if non-default CDCLK is used when the audio controller resumes, which results in an invalid BCLK and abnormal audio playback rate. So this patch saves and restores valid M/N values on controller suspend/resume. And 'struct hda_intel' is defined to contain standard HD-A 'struct azx' and Intel specific fields, as Takashi suggested. Signed-off-by:
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Takashi Iwai authored
When a USB-audio device is disconnected while PCM is still running, we still see some race: the disconnect callback calls snd_usb_endpoint_free() that calls release_urbs() and then kfree() while a PCM stream would be closed at the same time and calls stop_endpoints() that leads to wait_clear_urbs(). That is, the EP object might be deallocated while a PCM stream is syncing with wait_clear_urbs() with the same EP. Basically calling multiple wait_clear_urbs() would work fine, also calling wait_clear_urbs() and release_urbs() would work, too, as wait_clear_urbs() just reads some fields in ep. The problem is the succeeding kfree() in snd_pcm_endpoint_free(). This patch moves out the EP deallocation into the later point, the destructor callback. At this stage, all PCMs must have been already closed, so it's safe to free the objects. Reported-by:
Alan Stern <stern@rowland.harvard.edu> Cc: <stable@vger.kernel.org> Signed-off-by:
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- 25 Jun, 2014 1 commit
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Takashi Iwai authored
HP Spectre 13 has the IDT 92HD95 codec, and BIOS seems to set the default high-pass filter in some "safer" range, which results in the very soft tone from the built-in speakers in contrast to Windows. Also, the mute LED control is missing, since 92HD95 codec still has no HP-specific fixups for GPIO setups. This patch adds these missing features: the HPF is adjusted by the vendor-specific verb, and the LED is set up from a DMI string (but with the default polarity = 0 assumption due to the incomplete BIOS on the given machine). Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=74841 Cc: <stable@vger.kernel.org> Signed-off-by:
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- 24 Jun, 2014 3 commits
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David Henningsson authored
This is cosmetical - it makes the pin quirk table look better. Signed-off-by:
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David Henningsson authored
This is cosmetical - it makes the new pin quirk table look better. Signed-off-by:
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David Henningsson authored
Two bug reporters with Dell XPS 15 report that they need to use the dell-headset-multi model to get the headset mic working. The two bug reporters have different PCI SSID (1028:05fd and 1028:05fe) but this pin quirk matches both. BugLink: https://bugs.launchpad.net/bugs/1331915Signed-off-by:
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- 23 Jun, 2014 3 commits
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Pierre Ossman authored
We need to call the proper init function in case it has been overridden, as it might restore things that the generic routing doesn't know anything about. E.g. AMD cards have special verbs that need resetting. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=77901 Fixes: 5a613584 ('ALSA: hda - hdmi: Add ATI/AMD multi-channel audio support') Signed-off-by:
Pierre Ossman <pierre@ossman.eu> Cc: <stable@vger.kernel.org> [v3.13+] Signed-off-by:
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David Henningsson authored
A recent refactoring broke the possibility to manually specify model name as a module parameter. This patch restores the desired functionality. Fixes: c21c8cf7 ('ALSA: hda - Add fixup_forced flag') Reported-by:
Kent Baxley <kent.baxley@canonical.com> Signed-off-by:
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Vinod Koul authored
In 64bit systems the compiler can default align to 8bytes causing mis-match with 32bit usermode. Avoid this is future by ensuring all the structures shared with usermode are packed and aligned to 4 bytes irrespective of arch used [coding style fixes by tiwai] Signed-off-by:
Vinod Koul <vinod.koul@intel.com> Signed-off-by:
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- 18 Jun, 2014 7 commits
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Takashi Iwai authored
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Takashi Iwai authored
Merge tag 'asoc-v3.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Fixes for v3.16 Quite a few build coverage fixes in here among the usual small driver fixes includling the sigmadsp change from Lars - moving the driver to separate modules per bus (which is basically just code motion) avoids issues with some combinations of buses being enabled.
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Lars-Peter Clausen authored
The ALSA control code expects that the range of assigned indices to a control is continuous and does not overflow. Currently there are no checks to enforce this. If a control with a overflowing index range is created that control becomes effectively inaccessible and unremovable since snd_ctl_find_id() will not be able to find it. This patch adds a check that makes sure that controls with a overflowing index range can not be created. Signed-off-by:
Lars-Peter Clausen <lars@metafoo.de> Acked-by:
Jaroslav Kysela <perex@perex.cz> Cc: <stable@vger.kernel.org> Signed-off-by:
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Lars-Peter Clausen authored
Each control gets automatically assigned its numids when the control is created. The allocation is done by incrementing the numid by the amount of allocated numids per allocation. This means that excessive creation and destruction of controls (e.g. via SNDRV_CTL_IOCTL_ELEM_ADD/REMOVE) can cause the id to eventually overflow. Currently when this happens for the control that caused the overflow kctl->id.numid + kctl->count will also over flow causing it to be smaller than kctl->id.numid. Most of the code assumes that this is something that can not happen, so we need to make sure that it won't happen Signed-off-by:
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Lars-Peter Clausen authored
A control that is visible on the card->controls list can be freed at any time. This means we must not access any of its memory while not holding the controls_rw_lock. Otherwise we risk a use after free access. Signed-off-by:
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Lars-Peter Clausen authored
There are two issues with the current implementation for replacing user controls. The first is that the code does not check if the control is actually a user control and neither does it check if the control is owned by the process that tries to remove it. That allows userspace applications to remove arbitrary controls, which can cause a user after free if a for example a driver does not expect a control to be removed from under its feed. The second issue is that on one hand when a control is replaced the user_ctl_count limit is not checked and on the other hand the user_ctl_count is increased (even though the number of user controls does not change). This allows userspace, once the user_ctl_count limit as been reached, to repeatedly replace a control until user_ctl_count overflows. Once that happens new controls can be added effectively bypassing the user_ctl_count limit. Both issues can be fixed by instead of open-coding the removal of the control that is to be replaced to use snd_ctl_remove_user_ctl(). This function does proper permission checks as well as decrements user_ctl_count after the control has been removed. Note that by using snd_ctl_remove_user_ctl() the check which returns -EBUSY at beginning of the function if the control already exists is removed. This is not a problem though since the check is quite useless, because the lock that is protecting the control list is released between the check and before adding the new control to the list, which means that it is possible that a different control with the same settings is added to the list after the check. Luckily there is another check that is done while holding the lock in snd_ctl_add(), so we'll rely on that to make sure that the same control is not added twice. Signed-off-by:
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Lars-Peter Clausen authored
The user-control put and get handlers as well as the tlv do not protect against concurrent access from multiple threads. Since the state of the control is not updated atomically it is possible that either two write operations or a write and a read operation race against each other. Both can lead to arbitrary memory disclosure. This patch introduces a new lock that protects user-controls from concurrent access. Since applications typically access controls sequentially than in parallel a single lock per card should be fine. Signed-off-by:
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- 16 Jun, 2014 7 commits
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Mark Brown authored
Merge remote-tracking branches 'asoc/fix/fsl-dma', 'asoc/fix/fsl-spdif', 'asoc/fix/pxa', 'asoc/fix/rcar' and 'asoc/fix/sigmadsp' into asoc-linus
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Mark Brown authored
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Takashi Iwai authored
When a machine is booted with nomodeset option, i915 driver skips the whole initialization. Meanwhile, HD-audio tries to bind wth i915 just by request_symbol() without knowing that the initialization was skipped, and eventually it hits WARN_ON() in i915_request_power_well() and i915_release_power_well() wrongly but still continues probing, even though it doesn't work at all. In this patch, both functions are changed to return an error in case of uninitialized state instead of WARN_ON(), so that HD-audio driver can give up HDMI controller initialization at the right time. Acked-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Cc: <stable@vger.kernel.org> [3.15] Signed-off-by:
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Fix checksumming regressions, from Tom Herbert. 2) Undo unintentional permissions changes for SCTP rto_alpha and rto_beta sysfs knobs, from Denial Borkmann. 3) VXLAN, like other IP tunnels, should advertize it's encapsulation size using dev->needed_headroom instead of dev->hard_header_len. From Cong Wang. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: net: sctp: fix permissions for rto_alpha and rto_beta knobs vxlan: Checksum fixes net: add skb_pop_rcv_encapsulation udp: call __skb_checksum_complete when doing full checksum net: Fix save software checksum complete net: Fix GSO constants to match NETIF flags udp: ipv4: do not waste time in __udp4_lib_mcast_demux_lookup vxlan: use dev->needed_headroom instead of dev->hard_header_len MAINTAINERS: update cxgb4 maintainer -
git://git.linaro.org/people/mike.turquette/linuxLinus Torvalds authored
Pull more clock framework updates from Mike Turquette: "This contains the second half the of the clk changes for 3.16. They are simply fixes and code refactoring for the OMAP clock drivers. The sunxi clock driver changes include splitting out the one mega-driver into several smaller pieces and adding support for the A31 SoC clocks" * tag 'clk-for-linus-3.16-part2' of git://git.linaro.org/people/mike.turquette/linux: (25 commits) clk: sunxi: document PRCM clock compatible strings clk: sunxi: add PRCM (Power/Reset/Clock Management) clks support clk: sun6i: Protect SDRAM gating bit clk: sun6i: Protect CPU clock clk: sunxi: Rework clock protection code clk: sunxi: Move the GMAC clock to a file of its own clk: sunxi: Move the 24M oscillator to a file of its own clk: sunxi: Remove calls to clk_put clk: sunxi: document new A31 USB clock compatible clk: sunxi: Implement A31 USB clock ARM: dts: OMAP5/DRA7: use omap5-mpu-dpll-clock capable of dealing with higher frequencies CLK: TI: dpll: support OMAP5 MPU DPLL that need special handling for higher frequencies ARM: OMAP5+: dpll: support Duty Cycle Correction(DCC) CLK: TI: clk-54xx: Set the rate for dpll_abe_m2x2_ck CLK: TI: Driver for DRA7 ATL (Audio Tracking Logic) dt:/bindings: DRA7 ATL (Audio Tracking Logic) clock bindings ARM: dts: dra7xx-clocks: Correct name for atl clkin3 clock CLK: TI: gate: add composite interface clock to OMAP2 only build ARM: OMAP2: clock: add DT boot support for cpufreq_ck CLK: TI: OMAP2: add clock init support ...
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git://git.infradead.org/users/willy/linux-nvmeLinus Torvalds authored
Pull NVMe update from Matthew Wilcox: "Mostly bugfixes again for the NVMe driver. I'd like to call out the exported tracepoint in the block layer; I believe Keith has cleared this with Jens. We've had a few reports from people who're really pounding on NVMe devices at scale, hence the timeout changes (and new module parameters), hotplug cpu deadlock, tracepoints, and minor performance tweaks" [ Jens hadn't seen that tracepoint thing, but is ok with it - it will end up going away when mq conversion happens ] * git://git.infradead.org/users/willy/linux-nvme: (22 commits) NVMe: Fix START_STOP_UNIT Scsi->NVMe translation. NVMe: Use Log Page constants in SCSI emulation NVMe: Define Log Page constants NVMe: Fix hot cpu notification dead lock NVMe: Rename io_timeout to nvme_io_timeout NVMe: Use last bytes of f/w rev SCSI Inquiry NVMe: Adhere to request queue block accounting enable/disable NVMe: Fix nvme get/put queue semantics NVMe: Delete NVME_GET_FEAT_TEMP_THRESH NVMe: Make admin timeout a module parameter NVMe: Make iod bio timeout a parameter NVMe: Prevent possible NULL pointer dereference NVMe: Fix the buffer size passed in GetLogPage(CDW10.NUMD) NVMe: Update data structures for NVMe 1.2 NVMe: Enable BUILD_BUG_ON checks NVMe: Update namespace and controller identify structures to the 1.1a spec NVMe: Flush with data support NVMe: Configure support for block flush NVMe: Add tracepoints NVMe: Protect against badly formatted CQEs ...
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- 15 Jun, 2014 11 commits
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Daniel Borkmann authored
Commit 3fd091e7 ("[SCTP]: Remove multiple levels of msecs to jiffies conversions.") has silently changed permissions for rto_alpha and rto_beta knobs from 0644 to 0444. The purpose of this was to discourage users from tweaking rto_alpha and rto_beta knobs in production environments since they are key to correctly compute rtt/srtt. RFC4960 under section 6.3.1. RTO Calculation says regarding rto_alpha and rto_beta under rule C3 and C4: [...] C3) When a new RTT measurement R' is made, set RTTVAR <- (1 - RTO.Beta) * RTTVAR + RTO.Beta * |SRTT - R'| and SRTT <- (1 - RTO.Alpha) * SRTT + RTO.Alpha * R' Note: The value of SRTT used in the update to RTTVAR is its value before updating SRTT itself using the second assignment. After the computation, update RTO <- SRTT + 4 * RTTVAR. C4) When data is in flight and when allowed by rule C5 below, a new RTT measurement MUST be made each round trip. Furthermore, new RTT measurements SHOULD be made no more than once per round trip for a given destination transport address. There are two reasons for this recommendation: First, it appears that measuring more frequently often does not in practice yield any significant benefit [ALLMAN99]; second, if measurements are made more often, then the values of RTO.Alpha and RTO.Beta in rule C3 above should be adjusted so that SRTT and RTTVAR still adjust to changes at roughly the same rate (in terms of how many round trips it takes them to reflect new values) as they would if making only one measurement per round-trip and using RTO.Alpha and RTO.Beta as given in rule C3. However, the exact nature of these adjustments remains a research issue. [...] While it is discouraged to adjust rto_alpha and rto_beta and not further specified how to adjust them, the RFC also doesn't explicitly forbid it, but rather gives a RECOMMENDED default value (rto_alpha=3, rto_beta=2). We have a couple of users relying on the old permissions before they got changed. That said, if someone really has the urge to adjust them, we could allow it with a warning in the log. Fixes: 3fd091e7 ("[SCTP]: Remove multiple levels of msecs to jiffies conversions.") Signed-off-by:
Daniel Borkmann <dborkman@redhat.com> Cc: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Tom Herbert says: ==================== Fixes related to some recent checksum modifications. - Fix GSO constants to match NETIF flags - Fix logic in saving checksum complete in __skb_checksum_complete - Call __skb_checksum_complete from UDP if we are checksumming over whole packet in order to save checksum. - Fixes to VXLAN to work correctly with checksum complete ==================== Signed-off-by: -
Tom Herbert authored
Call skb_pop_rcv_encapsulation and postpull_rcsum for the Ethernet header to work properly with checksum complete. Signed-off-by:
Tom Herbert <therbert@google.com> Signed-off-by:
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Tom Herbert authored
This function is used by UDP encapsulation protocols in RX when crossing encapsulation boundary. If ip_summed is set to CHECKSUM_UNNECESSARY and encapsulation is not set, change to CHECKSUM_NONE since the checksum has not been validated within the encapsulation. Clears csum_valid by the same rationale. Signed-off-by:
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Tom Herbert authored
In __udp_lib_checksum_complete check if checksum is being done over all the data (len is equal to skb->len) and if it is call __skb_checksum_complete instead of __skb_checksum_complete_head. This allows checksum to be saved in checksum complete. Signed-off-by:
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Tom Herbert authored
Geert reported issues regarding checksum complete and UDP. The logic introduced in commit 7e3cead5 ("net: Save software checksum complete") is not correct. This patch: 1) Restores code in __skb_checksum_complete_header except for setting CHECKSUM_UNNECESSARY. This function may be calculating checksum on something less than skb->len. 2) Adds saving checksum to __skb_checksum_complete. The full packet checksum 0..skb->len is calculated without adding in pseudo header. This value is saved in skb->csum and then the pseudo header is added to that to derive the checksum for validation. 3) In both __skb_checksum_complete_header and __skb_checksum_complete, set skb->csum_valid to whether checksum of zero was computed. This allows skb_csum_unnecessary to return true without changing to CHECKSUM_UNNECESSARY which was done previously. 4) Copy new csum related bits in __copy_skb_header. Reported-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Tom Herbert authored
Joseph Gasparakis reported that VXLAN GSO offload stopped working with i40e device after recent UDP changes. The problem is that the SKB_GSO_* bits are out of sync with the corresponding NETIF flags. This patch fixes that. Also, we add BUILD_BUG_ONs in net_gso_ok for several GSO constants that were missing to avoid the problem in the future. Reported-by:
Joseph Gasparakis <joseph.gasparakis@intel.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull more SCSI updates from James Bottomley: "This is just a couple of drivers (hpsa and lpfc) that got left out for further testing in linux-next. We also have one fix to a prior submission (qla2xxx sparse)" * tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (36 commits) qla2xxx: fix sparse warnings introduced by previous target mode t10-dif patch lpfc: Update lpfc version to driver version 10.2.8001.0 lpfc: Fix ExpressLane priority setup lpfc: mark old devices as obsolete lpfc: Fix for initializing RRQ bitmap lpfc: Fix for cleaning up stale ring flag and sp_queue_event entries lpfc: Update lpfc version to driver version 10.2.8000.0 lpfc: Update Copyright on changed files from 8.3.45 patches lpfc: Update Copyright on changed files lpfc: Fixed locking for scsi task management commands lpfc: Convert runtime references to old xlane cfg param to fof cfg param lpfc: Fix FW dump using sysfs lpfc: Fix SLI4 s abort loop to process all FCP rings and under ring_lock lpfc: Fixed kernel panic in lpfc_abort_handler lpfc: Fix locking for postbufq when freeing lpfc: Fix locking for lpfc_hba_down_post lpfc: Fix dynamic transitions of FirstBurst from on to off hpsa: fix handling of hpsa_volume_offline return value hpsa: return -ENOMEM not -1 on kzalloc failure in hpsa_get_device_id hpsa: remove messages about volume status VPD inquiry page not supported ...
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfsLinus Torvalds authored
Pull more btrfs updates from Chris Mason: "This has a few fixes since our last pull and a new ioctl for doing btree searches from userland. It's very similar to the existing ioctl, but lets us return larger items back down to the app" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs: fix error handling in create_pending_snapshot btrfs: fix use of uninit "ret" in end_extent_writepage() btrfs: free ulist in qgroup_shared_accounting() error path Btrfs: fix qgroups sanity test crash or hang btrfs: prevent RCU warning when dereferencing radix tree slot Btrfs: fix unfinished readahead thread for raid5/6 degraded mounting btrfs: new ioctl TREE_SEARCH_V2 btrfs: tree_search, search_ioctl: direct copy to userspace btrfs: new function read_extent_buffer_to_user btrfs: tree_search, copy_to_sk: return needed size on EOVERFLOW btrfs: tree_search, copy_to_sk: return EOVERFLOW for too small buffer btrfs: tree_search, search_ioctl: accept varying buffer btrfs: tree_search: eliminate redundant nr_items check
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git://git.kvack.org/~bcrl/aio-nextLinus Torvalds authored
Pull aio fix and cleanups from Ben LaHaise: "This consists of a couple of code cleanups plus a minor bug fix" * git://git.kvack.org/~bcrl/aio-next: aio: cleanup: flatten kill_ioctx() aio: report error from io_destroy() when threads race in io_destroy() fs/aio.c: Remove ctx parameter in kiocb_cancel
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Al Viro authored
Tetsuo Handa wrote: "Commit 62a8067a ("bio_vec-backed iov_iter") introduced an unnamed union inside a struct which gcc-4.4.7 cannot handle. Name the unnamed union as u in order to fix build failure" Let's do this instead: there is only one place in the entire tree that steps into this breakage. Anon structs and unions work in older gcc versions; as the matter of fact, we have those in the tree - see e.g. struct ieee80211_tx_info in include/net/mac80211.h What doesn't work is handling their initializers: struct { int a; union { int b; char c; }; } x[2] = {{.a = 1, .c = 'a'}, {.a = 0, .b = 1}}; is the obvious syntax for initializer, perfectly fine for C11 and handled correctly by gcc-4.7 or later. Earlier versions, though, break on it - declaration is fine and so's access to fields (i.e. x[0].c = 'a'; would produce the right code), but members of the anon structs and unions are not inserted into the right namespace. Tellingly, those older versions will not barf on struct {int a; struct {int a;};}; - looks like they just have it hacked up somewhere around the handling of . and -> instead of doing the right thing. The easiest way to deal with that crap is to turn initialization of those fields (in the only place where we have such initializer of iov_iter) into plain assignment. Reported-by:
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Reported-by:
Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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