- 11 Apr, 2016 39 commits
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Satish Kharat authored
In case of LUN reset, the device reset command is issued with one of the I/Os that has timed out on that LUN. The change is to also return this I/O with error status set to DID_RESET. In case when the reset is issued using the sg_reset tool (from sg3_utils) it is a new command and new_sc is set to 1. Fnic driver version changed from 1.6.0.19 to 1.6.0.20 [mkp: Fixed checkpatch warning] Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Ewan Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Satish Kharat authored
If an I/O times out and an abort issued by host, if the abort is successful we need to set scsi status as DID_ABORT. Or else the mid-layer error handler which looks for this error code, will offline the device. Also if the original I/O is not found in fnic firmware, we will consider the abort as successful. The start_time assignment is moved because of the new goto. Fnic driver version changed from 1.6.0.17a to 1.6.0.19, version 1.6.0.18 has been skipped [mkp: Fixed checkpatch warning] Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Hannes Reinecke authored
Add new trace functions for ZBC_IN and ZBC_OUT. Reviewed-by: Doug Gilbert <dgilbert@interlog.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Hannes Reinecke authored
Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Hannes Reinecke authored
scsi_opcode_name() is displaying the opcode, not the service action. Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Hannes Reinecke authored
On larger installations it is useful to disable automatic LUN scanning, and only add the required LUNs via udev rules. This can speed up bootup dramatically. This patch introduces a new scan module parameter value 'manual', which works like 'none', but can be overridden by setting the 'rescan' value from scsi_scan_target to 'SCSI_SCAN_MANUAL'. And it updates all relevant callers to set the 'rescan' value to 'SCSI_SCAN_MANUAL' if invoked via the 'scan' option in sysfs. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Tested-by: Laurence Oberman <loberman@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
I'm told that some targets are liable to disconnect a REQUEST SENSE command. Theoretically this would cause a command undergoing autosense to be moved onto the disconnected list. The bus reset handler must call complete_cmd() for these commands, otherwise the hostdata->sensing pointer will not get cleared. That would cause autosense processing to stall and a timeout or an incorrect scsi_eh_restore_cmnd() would eventually follow. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reported-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Fix various issues: Comments about bus errors are incorrect. The PDMA asm must return the size of the memory access that faulted so the transfer count can be adjusted accordingly. A phase change may cause a bus error but should not be treated as failure. A bus error does not always imply a phase change and generally the transfer may continue. Scatter/gather doesn't seem to work with PDMA due to overruns. This is a pity because peak throughput seems to double with SG_ALL. Tested on a Mac LC III and a PowerBook 520. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
The benefit of limiting can_queue to 1 is that atari_scsi shares the ST DMA chip more fairly with other drivers (e.g. falcon-ide). Unfortunately, this can limit SCSI bus utilization. On systems without IDE, atari_scsi should issue SCSI commands whenever it can arbitrate for the bus. Make that possible by making can_queue configurable. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
This setting does not need to be conditional on Atari ST or TT. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Update kernel parameter documentation for atari_scsi, mac_scsi and g_NCR5380 drivers. Remove duplication. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Decode all bits in the chip registers. They are all useful at times. Fix printk severity so that this output can be suppressed along with the other debugging output. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
The dmx3191d driver is not capable of DMA or PDMA so all transfers use PIO. Now that large slow PIO transfers periodically stop and call cond_resched(), the max_sectors limit can go away. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
The driver has a limit of eight LUs because of the byte-sized bitfield that is used for busy flags. That means the maximum LUN is 7. The default is 8. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Now that atari_scsi and sun3_scsi have been converted to use the NCR5380.c core driver, remove atari_NCR5380.c. Also remove the last vestiges of its Tagged Command Queueing implementation from the wrapper drivers. The TCQ support in atari_NCR5380.c is abandoned by this patch. It is not merged into the remaining core driver because, 1) atari_scsi defines SUPPORT_TAGS but leaves FLAG_TAGGED_QUEUING disabled by default, which indicates that it is mostly undesirable. 2) I'm told that it doesn't work correctly when enabled. 3) The algorithm does not make use of block layer tags which it will have to do because scmd->tag is deprecated. 4) sun3_scsi doesn't define SUPPORT_TAGS at all, yet the the SUPPORT_TAGS macro interacts with the CONFIG_SUN3 macro in 'interesting' ways. 5) Compile-time configuration with macros like SUPPORT_TAGS caused the configuration space to explode, leading to untestable and unmaintainable code that is too hard to reason about. The merge_contiguous_buffers() code is also abandoned. This was unused by sun3_scsi. Only atari_scsi used it and then only on TT, because only TT supports scatter/gather. I suspect that the TT would work fine with ENABLE_CLUSTERING instead. If someone can benchmark the difference then perhaps the merge_contiguous_buffers() code can be be justified. Until then we are better off without the extra complexity. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Add support for the custom Sun 3 DMA logic to the NCR5380.c core driver. This code is copied from atari_NCR5380.c. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Add support for the Atari ST DMA chip to the NCR5380.c core driver. This code is copied from atari_NCR5380.c. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Adopt the DMA implementation from atari_NCR5380.c. This means that atari_scsi and sun3_scsi can make use of the NCR5380.c core driver and the atari_NCR5380.c driver fork can be made redundant. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Standardize the DMA setup hooks so that the DMA implementation in atari_NCR5380.c can be reconciled with pseudo DMA implementation in NCR5380.c. Calls to NCR5380_dma_recv_setup() and NCR5380_dma_send_setup() return a negative value on failure, zero on PDMA transfer success and a positive byte count for DMA setup success. This convention is not entirely new, but is now applied consistently. Also remove a pointless Status Register access: the *phase assignment is redundant because after NCR5380_transfer_dma() returns control to NCR5380_information_transfer(), that routine then returns control to NCR5380_main(), which means *phase is dead. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Those wrapper drivers which use DMA define the REAL_DMA macro and those which use pseudo DMA define PSEUDO_DMA. These macros need to be removed for a number of reasons, not least of which is to have drivers share more code. Redefine the PDMA send and receive hooks as DMA setup hooks, so that the DMA code can be shared by all 5380 wrapper drivers. This will help to reunify the forked core driver. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
The io_recovery_delay macro is intended to insert a microsecond delay between the chip register accesses that begin a DMA operation. This is reportedly needed for some ISA boards. Reverse the sense of the macro test so that in the common case, where no delay is required, drivers need not define the macro. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
For those wrapper drivers which only implement Programmed IO, have NCR5380_dma_xfer_len() evaluate to zero. That allows PDMA to be easily disabled at run-time and so the PSEUDO_DMA macro is no longer needed. Also remove the spin counters used for debugging pseudo DMA drivers. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
The only chip that needs the workarounds enabled is an early NMOS device. That means that the common case is to disable them. Unfortunately the sense of the flag is such that it has to be set for the common case. Rename the flag so that zero can be used to mean "no errata workarounds needed". This simplifies the code. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Only the atari_scsi and sun3_scsi drivers define DMA_MIN_SIZE. Both drivers also define NCR5380_dma_xfer_len, which means DMA_MIN_SIZE can be removed from the core driver. This removes another discrepancy between the two core drivers. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
For the NCR5380.c core driver, these macros are never used. If REAL_DMA were to be defined, compilation would fail. For the atari_NCR5380.c core driver, REAL_DMA is always defined. Hence these macros are pointless. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
Drivers that define PSEUDO_DMA also define NCR5380_dma_xfer_len. The core driver must call NCR5380_dma_xfer_len which means FLAG_NO_PSEUDO_DMA can be eradicated from the core driver. dmx3191d doesn't define PSEUDO_DMA and has no use for FLAG_NO_PSEUDO_DMA, so remove it there also. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Michael Schmitz <schmitzmic@gmail.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Finn Thain authored
This change brings a number of improvements: fewer macros, better test coverage, simpler code and sane Kconfig options. The downside is a small chance of incompatibility (which seems unavoidable). CONFIG_SCSI_GENERIC_NCR53C400 exists to enable or inhibit pseudo DMA transfers when the driver is used with 53C400-compatible cards. Thanks to Ondrej Zary's patches, PDMA now works which means it can be enabled unconditionally. Due to bad design, CONFIG_SCSI_GENERIC_NCR53C400 ties together unrelated functionality as it sets both PSEUDO_DMA and BIOSPARAM macros. This patch effectively enables PSEUDO_DMA and disables BIOSPARAM. The defconfigs and the Kconfig default leave CONFIG_SCSI_GENERIC_NCR53C400 undefined. Red Hat 9 and CentOS 2.1 were the same. This leaves both PSEUDO_DMA and BIOSPARAM disabled. The effect of this patch should be better performance from enabling PSEUDO_DMA. On the other hand, Debian 4 and SLES 10 had CONFIG_SCSI_GENERIC_NCR53C400 enabled, so both PSEUDO_DMA and BIOSPARAM were enabled. This patch might affect configurations like this by disabling BIOSPARAM. My best guess is that this could be a problem only in the vanishingly rare case that 1) the CHS values stored in the boot device partition table are wrong and 2) a 5380 card is in use (because PDMA on 53C400 used to be broken). Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Ondrej Zary <linux@rainbow-software.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Rasmus Villemoes authored
On 64 bit, struct error_info has 6 bytes of padding, which amounts to over 4k of wasted space in the additional[] array. We could easily get rid of that by instead using separate arrays for the codes and the pointers. However, we can do even better than that and save an additional 6 bytes per entry: In the table, just store the sizeof() the corresponding string literal. The cumulative sum of these is then the appropriate offset into additional_text, which is built from the concatenation (with '\0's inbetween) of the strings. $ scripts/bloat-o-meter /tmp/vmlinux vmlinux add/remove: 0/0 grow/shrink: 1/1 up/down: 24/-8488 (-8464) function old new delta scsi_extd_sense_format 136 160 +24 additional 11312 2824 -8488 The Kconfig help text used to say that CONFIG_SCSI_CONSTANTS=y costs around 75 KB, but that was a little exaggerated. The actual number was closer to 44K, and 36K with this patch. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Douglas Gilbert <dgilbert@interlog.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Rasmus Villemoes authored
This is a purely mechanical move of the list of additional sense codes to a separate file, in preparation for reducing the impact of choosing CONFIG_SCSI_CONSTANTS=y by about 8k. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Rasmus Villemoes authored
There's little point in breaking these strings over multiple lines. Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hidLinus Torvalds authored
Pull HID fixes from Jiri Kosina: - fix for how scaling linearization is computed in wiimote driver, by Cyan Ogilvie - endless retry loop fix in generic USB HID core reset-resume handling, by Alan Stern - two functional fixes affecting particular devices, and oops fix for wacom driver, by Jason Gerecke - multitouch slot numbering fix from Gabriele Mazzotta - a couple more small fixes on top * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: wacom: Support switching from vendor-defined device mode on G9 and G11 HID: wacom: Initialize hid_data.inputmode to -1 HID: microsoft: add support for 3 more devices HID: multitouch: Synchronize MT frame on reset_resume HID: wacom: fix Bamboo ONE oops HID: lenovo: Don't use stack variables for DMA buffers HID: usbhid: fix inconsistent reset/resume/reset-resume behavior HID: wiimote: Fix wiimote mp scale linearization
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68kLinus Torvalds authored
Pull m68k update from Geert Uytterhoeven. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k: m68k/defconfig: Update defconfigs for v4.6-rc2 m68k: Wire up preadv2 and pwritev2
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git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arcLinus Torvalds authored
Pull ARC fixes from Vineet Gupta: - fix Kconfig splat due to pcie rework - make ethernet work again on axs103 - provide fb_pgprotect() for future video driver integration * tag 'arc-4.6-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARC: [plat-axs103] Enable loop block devices Revert "ARC: [plat-axs10x] add Ethernet PHY description in .dts" arc: Add our own implementation of fb_pgprotect() ARC: Don't source drivers/pci/pcie/Kconfig ourselves
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Linus Torvalds authored
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git://ftp.arm.linux.org.uk/~rmk/linux-armLinus Torvalds authored
Pull ARM fixes from Russell King: "A couple of small fixes, and wiring up the new syscalls which appeared during the merge window" * 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm: ARM: 8550/1: protect idiv patching against undefined gcc behavior ARM: wire up preadv2 and pwritev2 syscalls ARM: SMP enable of cache maintanence broadcast
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git://git.linaro.org/people/ulf.hansson/mmcLinus Torvalds authored
Pull MMC fixes from Ulf Hansson: "Here are a couple of mmc fixes intended for v4.6 rc3: MMC host: - sdhci: Fix regression setting power on Trats2 board - sdhci-pci: Add support and PCI IDs for more Broxton host controllers" * tag 'mmc-v4.6-rc1' of git://git.linaro.org/people/ulf.hansson/mmc: mmc: sdhci-pci: Add support and PCI IDs for more Broxton host controllers mmc: sdhci: Fix regression setting power on Trats2 board
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull i2c fixes from Wolfram Sang: "Some bugfixes from I2C: - fix a uevent triggered boot problem by removing a useless debug print - fix sysfs-attributes of the new i2c-demux-pinctrl driver to follow standard kernel behaviour - fix a potential division-by-zero error (needed two takes)" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: jz4780: really prevent potential division by zero Revert "i2c: jz4780: prevent potential division by zero" i2c: jz4780: prevent potential division by zero i2c: mux: demux-pinctrl: Update docs to new sysfs-attributes i2c: mux: demux-pinctrl: Clean up sysfs attributes i2c: prevent endless uevent loop with CONFIG_I2C_DEBUG_CORE
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- 10 Apr, 2016 1 commit
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Linus Torvalds authored
This reverts commit 1028b55b. It's broken: it makes ext4 return an error at an invalid point, causing the readdir wrappers to write the the position of the last successful directory entry into the position field, which means that the next readdir will now return that last successful entry _again_. You can only return fatal errors (that terminate the readdir directory walk) from within the filesystem readdir functions, the "normal" errors (that happen when the readdir buffer fills up, for example) happen in the iterorator where we know the position of the actual failing entry. I do have a very different patch that does the "signal_pending()" handling inside the iterator function where it is allowable, but while that one passes all the sanity checks, I screwed up something like four times while emailing it out, so I'm not going to commit it today. So my track record is not good enough, and the stars will have to align better before that one gets committed. And it would be good to get some review too, of course, since celestial alignments are always an iffy debugging model. IOW, let's just revert the commit that caused the problem for now. Reported-by: Greg Thelen <gthelen@google.com> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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