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2015-12-23Merge branch 'sfc-vf'David S. Miller
Bert Kenward says: ==================== sfc: additional virtual function support​ This introduces the client side of a mechanism to defer authorisation of operations, for example multicast subscription. Although primarily aimed at SRIOV VFs this can also apply to unprivileged PFs. Also handle reboot ordering corner cases better and reduce the level of some logging. v2: remove #ifdef DEBUG around new WARN_ON in mcdi.c. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23sfc: Downgrade or remove some error messagesBert Kenward
Depending on configuration the NIC may return errors for unprivileged functions and/or VFs. Where these are expected and handled, reduce the level of any output. Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23sfc: Downgrade EPERM messages from MCDI to debugTomáš Pilař
When running in an unprivileged function we expect some MC commands to fail with permission errors. To avoid log spew downgrade these to debug only. Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23sfc: Make failed filter removal less noisyBert Kenward
There are situations - mostly reset related - where our view of the filter table differs from the hardware. In this case we may try and remove filters that aren't actually installed. This isn't that interesting in most situations, so downgrade the logging. Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23sfc: Handle MCDI proxy authorisationBert Kenward
For unprivileged functions operations can be authorised by an admin function. Extra steps are introduced to the MCDI protocol in this situation - the initial response from the MCDI tells us that the operation has been deferred, and we must retry when told. We then receive an event telling us to retry. Note that this provides only the functionality for the unprivileged functions, not the handling of the administrative side. Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23sfc: Retry MCDI after NO_EVB_PORT error on a VFBert Kenward
After reboot the vswitch configuration from the PF may not be complete before the VF attempts to restore filters. In that case we see NO_EVB_PORT errors from the MC. Retry up to a time limit or until a different result is seen. Signed-off-by: Bert Kenward <bkenward@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23ipv6: honor ifindex in case we receive ll addresses in router advertisementsHannes Frederic Sowa
Marc Haber reported we don't honor interface indexes when we receive link local router addresses in router advertisements. Luckily the non-strict version of ipv6_chk_addr already does the correct job here, so we can simply use it to lighten the checks and use those addresses by default without any configuration change. Link: <http://permalink.gmane.org/gmane.linux.network/391348> Reported-by: Marc Haber <mh+netdev@zugschlus.de> Cc: Marc Haber <mh+netdev@zugschlus.de> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-24cpufreq: scpi-cpufreq: signedness bug in scpi_get_dvfs_info()Dan Carpenter
The "domain" variable needs to be signed for the error handling to work. Fixes: 8def31034d03 (cpufreq: arm_big_little: add SCPI interface driver) Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2015-12-23sparc: Hook up userfaultfd system callMike Kravetz
After hooking up system call, userfaultfd selftest was successful for both 32 and 64 bit version of test. Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23Merge tag 'sound-4.4-rc7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "This shouldn't be a nightmare before Christmas: just a handful small device-specific fixes for various ASoC and HD-audio drivers. Most of them are stable fixes" * tag 'sound-4.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda/realtek - Fix silent headphone output on MacPro 4,1 (v2) ASoC: fsl_sai: fix no frame clk in master mode ALSA: hda - Set SKL+ hda controller power at freeze() and thaw() ASoC: sgtl5000: fix VAG power up timing ASoC: rockchip: spdif: Set transmit data level to 16 samples ASoC: wm8974: set cache type for regmap ASoC: es8328: Fix shifts for mixer switches ASoC: davinci-mcasp: Fix XDATA check in mcasp_start_tx ASoC: es8328: Fix deemphasis values
2015-12-23Merge tag 'drm-intel-fixes-2015-12-23' of ↵Linus Torvalds
git://anongit.freedesktop.org/drm-intel Pull i915 drm fixes from Jani Nikula: "Here's a batch of i915 fixes all around. It may be slightly bigger than one would hope for at this stage, but they've all been through testing in our -next before being picked up for v4.4. Also, I missed Dave's fixes pull earlier today just because I wanted an extra testing round on this. So I'm fairly confident. Wishing you all the things it is customary to wish this time of the year" * tag 'drm-intel-fixes-2015-12-23' of git://anongit.freedesktop.org/drm-intel: drm/i915: Correct max delay for HDMI hotplug live status checking drm/i915: mdelay(10) considered harmful drm/i915: Kill intel_crtc->cursor_bo drm/i915: Workaround CHV pipe C cursor fail drm/i915: Only spin whilst waiting on the current request drm/i915: Limit the busy wait on requests to 5us not 10ms! drm/i915: Break busywaiting for requests on pending signals drm/i915: Disable primary plane if we fail to reconstruct BIOS fb (v2) drm/i915: Set the map-and-fenceable flag for preallocated objects drm/i915: Drop the broken cursor base==0 special casing
2015-12-23Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
Pull drm fixes from Dave Airlie: "Not much happening, should have dequeued this lot earlier. One amdgpu, one nouveau and one exynos fix" * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/exynos: atomic check only enabled crtc states drm/nouveau/bios/fan: hardcode the fan mode to linear drm/amdgpu: fix user fence handling
2015-12-23[media] rc: sunxi-cir: Initialize the spinlock properlyChen-Yu Tsai
The driver allocates the spinlock but fails to initialize it correctly. The kernel reports a BUG indicating bad spinlock magic when spinlock debugging is enabled. Call spin_lock_init() on it to initialize it correctly. Fixes: b4e3e59fb59c ("[media] rc: add sunxi-ir driver") Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Hans de Goede <hdegoede@redhat.com> Cc: stable@vger.kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23Merge branch 'cxgb4-next'David S. Miller
Hariprasad Shenai says: ==================== Trivial enhancements for cxgb4 This series adds a debug message if adapter isn't inserted in right PCI slot. Changes naming conventions for iSCSI rx queues, use node info while allocating rx queue and use napi_complete_done() api in napi handler. This patch series has been created against net-next tree and includes patches on cxgb4 driver. We have included all the maintainers of respective drivers. Kindly review the change and let us know in case of any review comments. Thanks V2: Dropped 'dcb_info' debug entry patch, since the same can be achieved using lldp tool. Based on review comments by Or Gerlitz <gerlitz.or@gmail.com> and David Miller. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23cxgb4: Use napi_complete_done() api in napi handlerHariprasad Shenai
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23cxgb4: Use the node info to alloc_ring() for RX queuesHariprasad Shenai
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23cxgb4: get naming correct for iscsi queuesHariprasad Shenai
All the upper level protocols like rdma, iscsi have their own offload rx queues, so instead of using the generic naming convention be specific while naming them. Improves code readability Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23cxgb4: Warn if device doesn't have enough PCI bandwidthHariprasad Shenai
Check if the device get enough bandwidth from the entire PCI chain to satisfy its capabilities. This patch determines the PCIe device's bandwidth capabilities by reading its PCIe Link Capabilities registers and then call the pcie_get_minimum_link function to ensure that the adapter is hooked into a slot which is capable of providing the necessary bandwidth capabilities. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-12-23[media] rtl2832: do not filter out slave TS null packetsAntti Palosaari
Do not remove slave TS NULL padding PID (0x1fff) by default as there is no real need. After that whole TS is passed to kernel sw PID filter. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] rtl2832: print reg number on error caseAntti Palosaari
It is hard to debug possible I2C failures without knowing the possible register itself. Add register number to error printing. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] rtl28xxu: return demod reg page from driver cacheAntti Palosaari
Return current active rtl2830/rtl2832 register page from the driver cache in order to reduce I2C I/O. Register page is already cached due to I2C write needs. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23Merge branch 'irqchip/sunxi' into irqchip/coreJason Cooper
2015-12-23[media] coda: enable MPEG-2 ES decodingPhilipp Zabel
Hook up the MPEG-2 ES decoder. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] coda: don't start streaming without queued buffersPhilipp Zabel
We could support start streaming with an empty output queue for the BIT decoders due to the bitstream buffer which could still contain data at this point, but there is really no reason for userspace to expect this to work. Simplify the code by disallowing it. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] coda: hook up vidioc_prepare_bufPhilipp Zabel
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] coda: relax coda_jpeg_check_buffer for trailing bytesPhilipp Zabel
coda_jpeg_check_buffer only cares about the buffer length and contents, so change the parameter type back from v4l2_vb2_buffer to just the vb2_buffer. Instead of just checking the first and last bytes for the SOI and EOI markers, relax the EOI marker check a bit and allow up to 32 trailing bytes after the EOI marker as hardware generated JPEGs sometimes contain some alignment overhead. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] coda: make to_coda_video_device staticPhilipp Zabel
This function is not used outside coda-common.c. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] s5p-mfc: remove volatile attribute from MFC register addressesAndrzej Hajda
MFC register addresses are used only by writel/readl macros which already takes care of proper register accessing. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] s5p-mfc: merge together s5p_mfc_hw_call and s5p_mfc_hw_call_voidAndrzej Hajda
Both macros can be merged into one. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] s5p-mfc: use spinlock to protect MFC contextAndrzej Hajda
MFC driver uses dev->irqlock spinlock to protect queues only, but many context fields require protection also - they can be accessed concurrently from IOCTLs and IRQ handler. The patch increases protection range of irqlock to those fields also. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] s5p-mfc: remove unnecessary callbacksAndrzej Hajda
Many version specific functions are not called by common code, so there is no need to use callbacks. Additionally some of them are not used at all, so they can be safely removed. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] s5p-mfc: make queue cleanup code commonAndrzej Hajda
Code for queue cleanup has nothing specific to hardware version. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] s5p-mfc: use one implementation of s5p_mfc_get_new_ctxAndrzej Hajda
Both version of MFC driver use functions with the same body and name. The patch moves them to common location. It also simplifies it. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[media] s5p-mfc: constify s5p_mfc_codec_ops structuresJulia Lawall
The s5p_mfc_codec_ops structures are never modified, so declare them as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2015-12-23[mips] switch pvc_proc_cleanup() to remove_proc_subtree()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-23new helpers: no_seek_end_llseek{,_size}()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-23Revert "x86/kvm: On KVM re-enable (e.g. after suspend), update clocks"Thomas Gleixner
This reverts commit 677a73a9aa54. This patch was not meant to be merged and has issues. Revert it. Requested-by: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
2015-12-23drm/i915: Unbreak check_digital_port_conflicts()Ville Syrjälä
Atomic changes broke check_digital_port_conflicts(). It needs to look at the global situation instead of just trying to find a conflict within the current atomic state. This bug made my HSW explode spectacularly after I had split the DDI encoders into separate DP and HDMI encoders. With the fix, things seem much more solid. I hope holding the connection_mutex is enough protection that we can actually walk the connectors even if they're not part of the current atomic state... v2: Regenerate the patch so that it actually applies (Jani) Cc: stable@vger.kernel.org Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com> Fixes: 5448a00d3f06 ("drm/i915: Don't use staged config in check_digital_port_conflicts()") Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1449764551-12466-1-git-send-email-ville.syrjala@linux.intel.com (cherry picked from commit 0bff4858653312a10c83709e0009c3adb87e6f1e) Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2015-12-23crypto: 842 - remove WARN inside printkDan Streetman
Remove the WARN() from the beN_to_cpu macro, which is used as a param to a pr_debug() call. With a certain kernel config, this printk-in-printk results in the no_printk() macro trying to recursively call the no_printk() macro, and since macros can't recursively call themselves a build error results. Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Dan Streetman <ddstreet@ieee.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-23crypto: atmel-aes - add debug facilities to monitor register accesses.Cyrille Pitchen
This feature should not be enabled in release but can be usefull for developers who need to monitor register accesses at some specific places. Set the AES_FLAGS_DUMP_REG flag inside dd->flags to start monitoring the I/O accesses, clear it to stop monitoring. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-23crypto: atmel-aes - add support to GCM modeCyrille Pitchen
This patch adds support to the GCM mode. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-23crypto: atmel-aes - change the DMA thresholdCyrille Pitchen
Increase the DMA threshold to 256: PIO accesses offer better performances than the DMA when processing small amounts of data. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-23crypto: atmel-aes - fix the counter overflow in CTR modeCyrille Pitchen
Depending on its hardware version, the AES IP provides either a 16 or a 32 bit counter. However the CTR mode expects the size of the counter to be the same as the size of the cipher block, ie 128 bits for AES. This patch detects and handles counter overflows. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-23crypto: atmel-aes - fix atmel-ctr-aes driver for RFC 3686Cyrille Pitchen
crypto_rfc3686_alloc() in crypto/ctr.c expects to be used with a stream cipher (alg->cra_blocksize == 1). Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-23crypto: atmel-aes - create sections to regroup functions by usageCyrille Pitchen
This patch only creates sections to regroup functions by usage. This will help to integrate the GCM support patch later by making the difference between shared/common and specific code. Hence current sections are: - Shared functions: common code which will be reused by the GCM support. - CPU transfer: handles transfers monitored by the CPU (PIO accesses). - DMA transfer: handles transfers monitored by the DMA controller. - AES async block ciphers: dedicated to the already supported block ciphers - Probe functions: used to register all crypto algorithms. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-23crypto: atmel-aes - fix typo and indentationCyrille Pitchen
Dummy patch to fix typo and indentation. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-23crypto: atmel-aes - use SIZE_IN_WORDS() helper macroCyrille Pitchen
This is a dummy cosmetic patch. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-23crypto: atmel-aes - improve performances of data transferCyrille Pitchen
This patch totally reworks data transfer. 1 - DMA The new code now fully supports scatter-gather lists hence reducing the number of interrupts in some cases. Also buffer alignments are better managed to avoid useless copies. 2 - CPU The new code allows to use PIO accesses even when transferring more than one AES block, so futher patches could tune the DMA threshold (ATMEL_AES_DMA_THRESHOLD). Moreover, CPU transfers now have a chance to be processed synchronously, hence reducing the latency by avoiding context switches when possible (less interrupts to process, less scheduling of the 'done' task). Indeed the 'DATA READY' bit is polled only one time in the Interrupt Status Register before enabling then waiting for the associated interrupt. In some condition, this single poll is enough as the data have already been processed by the AES hardware and so are ready. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-23crypto: atmel-aes - fix atmel_aes_remove()Cyrille Pitchen
Add missing call to atmel_aes_buff_cleanup(). Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2015-12-23crypto: atmel-aes - remove useless AES_FLAGS_DMA flagCyrille Pitchen
Since the 'done' task code was split into atmel_aes_cpu_complete() and atmel_aes_dma_complete(), the AES_FLAGS_DMA flag has become useless. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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