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2015-10-29staging: lustre: change cfs_hash_hlist_ops_t to structJames Simmons
Change cfs_hash_hlist_ops_t to struct cfs_hash_hlist_ops. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29staging: lustre: change cfs_hash_lock_ops_t to structJames Simmons
Change cfs_hash_lock_ops_t to struct cfs_hash_lock_ops. Signed-off-by: James Simmons <jsimmons@infradead.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29Staging: lustre: Remove unused lustre_lfsck_user.h fileShraddha Barke
Remove the header file lustre_lfsck_user.h since it is not needed Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29staging: rtl8712: rtl871x_io: Remove unused functionAmitoj Kaur Chawla
Drop function that is declared but not called anywhere. Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29staging: rtl8723au: core: Remove unnecessary functionsAmitoj Kaur Chawla
Drop functions that are declared but are not being used anywhere. Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29Staging: wlan-ng: Remove unused p80211meta.h fileShraddha Barke
Remove the header file p80211meta.h since it is not needed Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29Staging: iio: adc: Fix sparse warningKsenija Stanojevic
Fix following sparse endianness problems: CHECK drivers/staging/iio/adc/ad7816.c drivers/staging/iio/adc/ad7816.c:91:17: warning: cast to restricted __be16 drivers/staging/iio/adc/ad7816.c:91:17: warning: cast to restricted __be16 drivers/staging/iio/adc/ad7816.c:91:17: warning: cast to restricted __be16 drivers/staging/iio/adc/ad7816.c:91:17: warning: cast to restricted __be16 Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29Staging: iio: impedance-analyzer: Fix sparse warningKsenija Stanojevic
Fix following sparse endian warning: drivers/staging/iio/impedance-analyzer/ad5933.c:671:34: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:671:34: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:671:34: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:671:34: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:672:34: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:672:34: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:672:34: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:672:34: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:674:34: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:674:34: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:674:34: warning: cast to restricted __be16 drivers/staging/iio/impedance-analyzer/ad5933.c:674:34: warning: cast to restricted __be16 Signed-off-by: Ksenija Stanojevic <ksenija.stanojevic@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29Staging: panel: Logical continuations should be on the previous lineSirnam Swetha
This patch fixes the checkpatch issue: CHECK: Logical continuations should be on the previous line Signed-off-by: Sirnam Swetha <theonly.ultimate@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29Staging: panel: usleep_range is preferred over udelaySirnam Swetha
This patch fixes the issue: CHECK: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.txt Signed-off-by: Sirnam Swetha <theonly.ultimate@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29Staging: panel: Removing multiple blank linesSirnam Swetha
This patch fixes the checkpatch issue CHECK: Please don't use multiple blank lines Signed-off-by: Sirnam Swetha <theonly.ultimate@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-29Staging: panel: spaces preferred around that '/'Sirnam Swetha
This patch fixes the checkpatch issue: CHECK: spaces preferred around that '/' Signed-off-by: Sirnam Swetha <theonly.ultimate@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Update driver version string to 0.9-294Jubin John
Signed-off-by: Jubin John <jubin.john@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: add additional rc tracesMike Marciniszyn
Add additional rc traces to aid in debugging rc retry logic. Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Add unit # to verbs txreq cache nameJubin John
The name used to create the verbs txreq cache was not qualified with the unit number. This causes a panic when destroying the cache on a dual HFI systems. Create a unique name with the unit number with this patch Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Jubin John <jubin.john@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Load SBus firmware once per ASICEaswar Hariharan
Using fw_sbus_load to control SBus firmware load doesn't scale across multiple HFI1 cards in a single system. This patch ensures that the SBus firmware is loaded once per ASIC. Reviewed-by: Dean Luick <dean.luick@intel.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Thread the receive interrupt.Dean Luick
When under heavy load, the receive interrupt handler can run too long with IRQs disabled. Add a mixed-mode threading scheme. Initially process packets in the handler for quick responses (latency). If there are too many packets to process move to a thread to continue (bandwidth). Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dean Luick <dean.luick@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Add irqsaves in the packet processing pathDean Luick
In preparation for threading the receive interrupt, add irqsaves in the packet processing path. When the receive interrupt is threaded, the packet processing path is no longer guaranteed to have IRQs disabled. Add irqsaves where needed on several locks in the packet processing path. Anything that did not have an obvious, "close" irqsave in its caller is a candidate. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dean Luick <dean.luick@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Increase SDMA descriptor queue sizeIgnacio Hernandez
A value of 2048 increased PSM performance while not impacting verbs performance. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com> Signed-off-by: Ignacio Hernandez <ignacio.hernandez@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Allow tuning of SDMA interrupt rateMitko Haralanov
The SDMA engines were configured to generate progress interrupts every time they processed N/2 descriptors (where N is the size of the descriptor queue). This interval was too infrequent, leading to degraded performance. This commit adds a module parameter, as well as a recommended default, which allows for the tuning of the interrupt frequency. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Wrong cast breaks desired pointer arithmeticMitko Haralanov
The address being mapped into a process's memory for notification events was improperly calculated due to cast that was happening too early. dd->events is a pointer and should have been casted to unsigned long after the pointer arithmetic was done, not before. As a result, processes were looking at the wrong place and not seeing their notification events. Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Prevent silent data corruption with user SDMAMitko Haralanov
User SDMA keeps track of progress into the submitted IO vectors by tracking an offset into the vectors when packets are submitted. This offset is updated after a successful submission of a txreq to the SDMA engine. The same offset was used when determining whether an IO vector should be 'freed' (pages unpinned) in the SDMA callback functions. This was causing a silent data corruption in big jobs (> 2 nodes, 120 ranks each) on the receive side because the send side was mistakenly unpinning the vector pages before the HW has processed all descriptors referencing the vector. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Fix port bounce issues with 0.22 DC firmwareEaswar Hariharan
The DC firmware overwrites the enable_lane_tx register and does not update it on a host request to go to Poll. This causes an infinite loop through the LNI state machine if a link width downgrade occurs. This patch re-sets the enable_lane_tx register to all 4 lanes. Reviewed-by: Dean Luick <dean.luick@intel.com> Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Add a schedule in send threadDean Luick
When under heavy load, the send handler can run too long without allowing other tasks to run. Add a conditional resched to break this up. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dean Luick <dean.luick@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Reset firmware instead of reloading SbusCaz Yokoyama
Reset firmware instead of reloading Sbus firmware if it's already done for this ASIC. To work around thermal polling problem in firmware, don't reload Sbus firmware, instead, reset the firmware on the initialization of the second HFI. Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com> Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Reviewed-by: Dean Luick <dean.luick@intel.com> Signed-off-by: Caz Yokoyama <caz.yokoyama@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: close shared context security holeJareer Abdel-Qader
Driver does not verify userid for shared context assignments, allowing malicious user access. Reviewed by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Jareer H Abdel-Qader <jareer.h.abdel-qader@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Add coalescing support for SDMA TX descriptorsNiranjana Vishwanathapura
This fixes transmit errors when the number of scatter gather elements in the request is more that the number of per packet descriptors supported by the hardware, allocate and coalesce the extra scatter gather elements into a single buffer. The last descriptor is reserved and used for this coalesced buffer. Verbs potentially need this support when transferring small data chunks involving different memory regions. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com> Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Remove QSFP_ENABLED from HFI capability maskEaswar Hariharan
The QSFP interface code has been running without issues and the flag is never set to off. This patch removes the QSFP_ENABLED bit from HFI1_CAP. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Prevent host software lock upVennila Megavannan
If packets stop egressing the hardware link, software can lock up. Implement a timeout for send context halt recovery. This patch increases the timeout for packet egress to 500 us and timer resets to zero if the packet occupancy changes. Also we bounce the link on time out. Reviewed-by: Dean Luick <dean.luick@intel.com> Signed-off-by: Vennila Megavannan <vennila.megavannan@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Extend the offline timeoutDean Luick
The latest version of the 8051 firmware will wait longer when bringing the link down. Extend the driver's timeout to go with that. Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Dean Luick <dean.luick@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Fix code to reset ASIC CSRs on FLREaswar Hariharan
The ASIC registers were not reset on FLR, and the code to protect the ASIC block against multiple initializations by peer HFIs did not extend to multiple ASICs in a system. This patch addresses this gap. Reviewed-by: Dean Luick <dean.luick@intel.com> Signed-off-by: Easwar Hariharan <easwar.hariharan@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging/rdma/hfi1: Fix regression in send performanceMike Marciniszyn
The clear_ahg call is new in hfi1 vs qib. For small messages the progress routine always builds one and clears out the ahg state when the queue has gone to empty which is the predominant case for small messages. Inline the routine and avoid the call to sdma_ahg_free to mitigate the performance impact. Finally, move the routine to qp.h for scope reasons. Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: hfi1: sdma: Use setup_timerMuhammad Falak R Wani
Use the timer API function setup_timer instead of init_timer, removing the structure field assignments. Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: hfi1: driver: Use setup_timerMuhammad Falak R Wani
Use the timer API function setup_timer instead of init_timer, removing the structure field assignments. <smpl> @timer@ expression e1,e2,e3,fn_ptr; @@ -init_timer(&e1); +setup_timer(&e1, fn_ptr, e2); ... when != fn_ptr = e3 -e1.function = fn_ptr; -e1.data = e2; </smpl> Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: remove unused fields from struct sm750_devMike Rapoport
The {x,y}LCD fields of struct sm750_dev are not used and can be removed. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: remove '#ifdef CAP_EXP*' conditionalsMike Rapoport
There are several occurencies of '#ifdef CAP_EXP<something>', spelled differently each time. None of these is ever defined and therefore they enclose dead code that can be removed. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: merge lynx_share into sm750_devMike Rapoport
Both struct lynx_share and struct sm750_dev reprsent some parts of the SM750 graphics adapter. There is no point to keep these parts in different structures. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: remove unused field in lynx_cursorMike Rapoport
The lynx_share field in lynx_cursor structure is never used and can be removed. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: fix wrong indentationMike Rapoport
Fix wrong indentation of a line in lynxfb_set_fbinfo Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: use sm750_dev with pci_{get, set}_drvdataMike Rapoport
Use sm750_dev as private driver data for the PCI device Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: use 'struct sm750_dev *' instead of 'void *'Mike Rapoport
Use proper 'struct sm750_dev *' type instead of 'void *' Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: replace lynx_share with sm750_dev in function callsMike Rapoport
Use sm750_dev rather than lynx_share as parameter for hw_sm750_map, hw_sm750_inithw and hw_sm750_initAccel functions. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: remove hw_sm750_getVMSize functionMike Rapoport
The hw_sm750_getVMSize wraps ddk750_getVMSize without any added functionality. Call ddk750_getVMSize directly and remove hw_sm750_getVMSize. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: replace lynx_share with sm750_dev in lynxfb_parMike Rapoport
Use sm750_dev instead of lynx_share in the private data of the frambuffer device. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: remove unused PROC_SPEC_* typedefsMike Rapoport
The PROC_SPEC* typedefs are not used and can be removed Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: merge struct sm750_state into struct sm750_devMike Rapoport
The struct sm750_state is never used on its own. Merge it into the struct sm750_dev. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: rename 'struct sm750_dev' variables to sm750_devMike Rapoport
Use consistent naming for 'struct sm750_dev' variables Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: rename struct sm750_share to sm750_devMike Rapoport
The struct sm750_share represents the device state and name sm750_dev seems more appropriate. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: merge sm750_hw.h into sm750.hMike Rapoport
There is no actual need to split type definitions and global function declarations between lots of small headers. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-10-27staging: sm750fb: remove unused smi_indent variableMike Rapoport
The smi_indent variable is only declared, but never used. Remove it. Signed-off-by: Mike Rapoport <mike.rapoport@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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