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- 15 Dec, 2015 27 commits
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Felipe F. Tonello authored
Remove unnecessary headers and variables. Reviewed-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Felipe F. Tonello <eu@felipetonello.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Felipe F. Tonello authored
This function is shared between gadget functions, so this avoid unnecessary duplicated code and potentially avoid memory leaks. Reviewed-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Felipe F. Tonello <eu@felipetonello.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Felipe F. Tonello authored
This code is duplicated from f_midi_start_ep(midi, f, midi->out_ep). Reviewed-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Felipe F. Tonello <eu@felipetonello.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Peter Chen authored
Add both bulk and iso depth of queue entries. Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Yoshihiro Shimoda authored
This patch modifies the ep.caps.type_{iso,bulk,int} setting and the second argument of usb_ep_maxpacket_limit() using the dparam.pipe_configs. In the previous code, all the type_{iso,bulk,int} were set to true. However, to avoid waste time for finding suitable pipe in usb_ep_enable(), this driver should set correct type. Also the second argument of usb_ep_maxpacket_limit() was set to 512 even if the pipe is isochronous or interrupt. So, this driver could not bind a gadget driver like the g_audio driver. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Yoshihiro Shimoda authored
The current code has info->bufnmb_last to calculate the BUFNMB bits of PIPEBUF register. However, since the bufnmb_last is initialized in the usbhs_pipe_init() only, this driver is possible to set unexpected value to the register if usb_ep_{enable,disable}() are called many times. So, this patch modifies the pipe configuration via struct renesas_usbhs_driver_param to simplify the code. Also this patch changes: - a double buffer configuration - isochronous buffer size from 512 to 1024 Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gregory Herrero authored
Process all completed urbs, if more urbs are complete by the time driver processes completion interrupt. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gregory Herrero authored
When releasing a channel, increment hsotg->available_host_channels even in case a periodic channel is released. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gregory Herrero authored
Isochronous descriptor is currently programmed for the frame after the last descriptor was programmed. If the last descriptor frame underrun, then current descriptor must take this into account and must be programmed on the current frame + 1. This overrun usually happens when system is loaded and dwc2 can't init descriptor list in time. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gregory Herrero authored
This function allow comparing frame index used for descriptor list which has 64 entries. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gregory Herrero authored
Prevent dwc2 driver from accessing channel while it frees it. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gregory Herrero authored
When completing non isoc xfer, dwc2_complete_non_isoc_xfer_ddma() is relying on qtd->n_desc to process the corresponding number of descriptors. During the processing of these descriptors, qtd could be unlinked and freed if xfer is done and urb is no more in progress. In this case, dwc2_complete_non_isoc_xfer_ddma() will read again qtd->n_desc whereas qtd has been freed. This will lead to unpredictable results since qtd->n_desc is no more valid value. To avoid this error, return a result != 0 in dwc2_process_non_isoc_desc(), so that dwc2_complete_non_isoc_xfer_ddma() stops desc processing. This has been seen with Slub debug enabled. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gregory Herrero authored
When a channel is halted because of urb dequeue during transfer completion, no other qtds must be scheduled until halt is done. Moreover, all in progress qtds must be given back. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gregory Herrero authored
Active bit must be enabled in all scheduled descriptors. Else transfer never start. Remove previous code which was not correctly configuring descriptors. Active bit was set before calling dwc2_fill_host_isoc_dma_desc() which is erasing dma_desc->status. Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Gregory Herrero authored
Increment qtd->isoc_frame_index_last before testing it, else below check will never be true and IOC (Interrupt On Complete) bit for last frame will never be set in descriptor status. /* Set IOC for each descriptor corresponding to last frame of URB */ if (qtd->isoc_frame_index_last == qtd->urb->packet_count) dma_desc->status |= HOST_DMA_IOC; Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Gregory Herrero <gregory.herrero@intel.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Peter Chen authored
Now the function of complicated_callback is not only used for iso transfer, improve the error message to reflect it. Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Peter Chen authored
Add both bulk and iso depth of queue for sourcesink. Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Peter Chen authored
Add queue depth for both iso and bulk transfer, with more queues, we can do performance and stress test using sourcesink, and update g_zero accordingly. Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Peter Chen <peter.chen@freescale.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Felipe Balbi authored
Now that we have a generic dwc3-of-simple.c, we can use that instead of maintaining dwc3-qcom.c which is extremely similar. Cc: Ivan T. Ivanov <iivanov@mm-sol.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Subbaraya Sundeep Bhatta authored
This patch adds binding doc for Xilinx DWC3 glue driver. Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Subbaraya Sundeep Bhatta <sbhatta@xilinx.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Felipe Balbi authored
For simple platforms which merely enable some clocks and populate its children, we can use this generic glue layer to avoid boilerplate code duplication. For now this supports Qcom and Xilinx, but if we find a way to add generic handling of regulators and optional PHYs, we can absorb exynos as well. Tested-by: Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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Felipe Balbi authored
It just ocurred to me that dwc3 already gives a really hint of when a setup packet is pending and that's the SETUP_PENDING TRB Status for EP0 IRQs. Fix setup_packet_pending initialization based on that. While at that, also make sure the comment in gadget.c matches what code is doing. Signed-off-by: Felipe Balbi <balbi@ti.com>
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Felipe Balbi authored
In dwc3_cleanup_done_reqs() we expect that all iterations of our while (1) loop will find a valid struct dwc3_request *. In case we don't, we're dumping a WARN_ON_ONCE() splat so that people report the failure. This patch is a simple cleanup converting: if (!req) { WARN_ON_ONCE(1); return 1; } to: if (WARN_ON_ONCE(!req)) return 1; which is a little easier to read. Signed-off-by: Felipe Balbi <balbi@ti.com>
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Felipe Balbi authored
The last few dev_dbg() messages are converted to tracepoints and we can finally ignore dev_dbg() messages during debug sessions. Signed-off-by: Felipe Balbi <balbi@ti.com>
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Felipe Balbi authored
The last few dev_dbg() messages are converted to tracepoints and we can finally ignore dev_dbg() messages during debug sessions. Signed-off-by: Felipe Balbi <balbi@ti.com>
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Felipe Balbi authored
The last few dev_dbg() messages are converted to tracepoints and we can finally ignore dev_dbg() messages during debug sessions. Signed-off-by: Felipe Balbi <balbi@ti.com>
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Felipe Balbi authored
By moving our sanity checks our internal function __dwc3_gadget_ep_queue() we can simplify the externally visible API while also making sure that callers of __dwc3_gadget_ep_queue() also make use of the same checks. Signed-off-by: Felipe Balbi <balbi@ti.com>
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- 14 Dec, 2015 1 commit
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Linus Torvalds authored
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- 13 Dec, 2015 8 commits
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Peter Zijlstra authored
Jan Stancek reported that I wrecked things for him by fixing things for Vladimir :/ His report was due to an UNINTERRUPTIBLE wait getting -EINTR, which should not be possible, however my previous patch made this possible by unconditionally checking signal_pending(). We cannot use current->state as was done previously, because the instruction after the store to that variable it can be changed. We must instead pass the initial state along and use that. Fixes: 68985633 ("sched/wait: Fix signal handling in bit wait helpers") Reported-by: Jan Stancek <jstancek@redhat.com> Reported-by: Chris Mason <clm@fb.com> Tested-by: Jan Stancek <jstancek@redhat.com> Tested-by: Vladimir Murzin <vladimir.murzin@arm.com> Tested-by: Chris Mason <clm@fb.com> Reviewed-by: Paul Turner <pjt@google.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: tglx@linutronix.de Cc: Oleg Nesterov <oleg@redhat.com> Cc: hpa@zytor.com Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds authored
Pull NFS client bugfix from Trond Myklebust: "SUNRPC: Fix a NFSv4.1 callback channel regression" * tag 'nfs-for-4.4-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: SUNRPC: Fix callback channel
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fixlets from Thomas Gleixner: "Two trivial fixes which add missing header fileas and forward declarations so the code will compile even when the magic include chains are different" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/gic-v3: Add missing include for barrier.h irqchip/gic-v3: Add missing struct device_node declaration
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fix from Thomas Gleixner: "A single fix to unbreak a clocksource driver which has more than 32bit counter width" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: clocksource: Mmio: remove artificial 32bit limitation
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull fpga driver fixes from Greg KH: "Only two small fpga driver fixes here, both have been in linux-next for a while, and resolve some reported issues" * tag 'char-misc-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: fpga manager: Fix firmware resource leak on error fpga manager: remove label
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging driver fixes from Greg KH: "Here are a few staging and IIO driver fixes for 4.4-rc5. All of them resolve reported problems and have been in linux-next for a while. Nothing major here, just small fixes where needed" * tag 'staging-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: lustre: echo_copy.._lsm() dereferences userland pointers directly iio: adc: spmi-vadc: add missing of_node_put iio: fix some warning messages iio: light: apds9960: correct ->last_busy count iio: lidar: return -EINVAL on invalid signal staging: iio: dummy: complete IIO events delivery to userspace
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB driver fixes from Greg KH: "Here are a number of small USB fixes for 4.4-rc5. All of them have been in linux-next. The majority are gadget and phy issues, with a few new quirks and device ids added as well" * tag 'usb-4.4-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (32 commits) USB: add quirk for devices with broken LPM xhci: fix usb2 resume timing and races. usb: musb: fail with error when no DMA controller set usb: gadget: uvc: fix permissions of configfs attributes usb: musb: core: Fix pm runtime for deferred probe usb: phy: msm: fix a possible NULL dereference USB: host: ohci-at91: fix a crash in ohci_hcd_at91_overcurrent_irq usb: Quiet down false peer failure messages usb: xhci: fix config fail of FS hub behind a HS hub with MTT xhci: Fix memory leak in xhci_pme_acpi_rtd3_enable() usb: Use the USB_SS_MULT() macro to decode burst multiplier for log message USB: whci-hcd: add check for dma mapping error usb: core : hub: Fix BOS 'NULL pointer' kernel panic USB: quirks: Apply ALWAYS_POLL to all ELAN devices usb-storage: Fix scsi-sd failure "Invalid field in cdb" for USB adapter JMicron USB: quirks: Fix another ELAN touchscreen usb: dwc3: gadget: don't prestart interrupt endpoints USB: serial: Another Infineon flash loader USB ID USB: cdc_acm: Ignore Infineon Flash Loader utility USB: cp210x: Remove CP2110 ID from compatibility list ...
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds authored
Pull ARM SoC fixes from Arnd Bergmann: "Here are a bunch of small bug fixes for various ARM platforms, nothing really sticks out this week, most of either fixes bugs in code that was just added in 4.4, or that has been broken for many years without anyone noticing. at91/sama5d2: - fix sama5de hardware setup of sd/mmc interface - proper selection of pinctrl drivers. PIO4 is necessary for sama5d2 berlin: - fix incorrect clock input for SDIO exynos: - Fix potential NULL pointer dereference in Exynos PMU driver. imx: - Fix vf610 SAI clock configuration bug which is discovered by the newly added master mode support in SAI audio driver. - Fix buggy L2 cache latency values in vf610 device trees, which may cause system hang when cpu runs at a higher frequency. ixp4xx: - fix prototypes for readl/writel functions ls2080a: - use little-endian register access for GPIO and SDHCI omap: - Fix clock source for ARM TWD and global timers on am437x - Always select REGULATOR_FIXED_VOLTAGE for omap2+ instead of when MACH_OMAP3_PANDORA is selected - Fix SPI DMA handles for dm816x as only some were mapped - Fix up mbox cells for dm816x to make mailbox usable pxa: - use PWM lookup table for all ezx machines s3c24xx: - Remove incorrect __init annotation from s3c24xx cpufreq driver structures. versatile: - fix PCI IRQ mapping on Versatile PB" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ls2080a/dts: Add little endian property for GPIO IP block dt-bindings: define little-endian property for QorIQ GPIO ARM64: dts: ls2080a: fix eSDHC endianness ARM: dts: vf610: use reset values for L2 cache latencies ARM: pxa: use PWM lookup table for all machines ARM: dts: berlin: add 2nd clock for BG2Q sdhci0 and sdhci1 ARM: dts: berlin: correct BG2Q's sdhci2 2nd clock ARM: dts: am4372: fix clock source for arm twd and global timers ARM: at91: fix pinctrl driver selection ARM: at91/dt: add always-on to 1.8V regulator ARM: dts: vf610: fix clock definition for SAI2 ARM: imx: clk-vf610: fix SAI clock tree ARM: ixp4xx: fix read{b,w,l} return types irqchip/versatile-fpga: Fix PCI IRQ mapping on Versatile PB ARM: OMAP2+: enable REGULATOR_FIXED_VOLTAGE ARM: dts: add dm816x missing spi DT dma handles ARM: dts: add dm816x missing #mbox-cells cpufreq: s3c24xx: Do not mark s3c2410_plls_add as __init ARM: EXYNOS: Fix potential NULL pointer access in exynos_sys_powerdown_conf
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- 12 Dec, 2015 4 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: - opal-irqchip: Fix double endian conversion from Alistair Popple - cxl: Set endianess of kernel contexts from Frederic Barrat - sbc8641: drop bogus PHY IRQ entries from DTS file from Paul Gortmaker - Revert "powerpc/eeh: Don't unfreeze PHB PE after reset" from Andrew Donnellan * tag 'powerpc-4.4-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: Revert "powerpc/eeh: Don't unfreeze PHB PE after reset" powerpc/sbc8641: drop bogus PHY IRQ entries from DTS file cxl: Set endianess of kernel contexts powerpc/opal-irqchip: Fix double endian conversion
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Linus Torvalds authored
Merge misc fixes from Andrew Morton: "17 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: MIPS: fix DMA contiguous allocation sh64: fix __NR_fgetxattr ocfs2: fix SGID not inherited issue mm/oom_kill.c: avoid attempting to kill init sharing same memory drivers/base/memory.c: prohibit offlining of memory blocks with missing sections tmpfs: fix shmem_evict_inode() warnings on i_blocks mm/hugetlb.c: fix resv map memory leak for placeholder entries mm: hugetlb: call huge_pte_alloc() only if ptep is null kernel: remove stop_machine() Kconfig dependency mm: kmemleak: mark kmemleak_init prototype as __init mm: fix kerneldoc on mem_cgroup_replace_page osd fs: __r4w_get_page rely on PageUptodate for uptodate MAINTAINERS: make Vladimir co-maintainer of the memory controller mm, vmstat: allow WQ concurrency to discover memory reclaim doesn't make any progress mm: fix swapped Movable and Reclaimable in /proc/pagetypeinfo memcg: fix memory.high target mm: hugetlb: fix hugepage memory leak caused by wrong reserve count
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linuxLinus Torvalds authored
Pull parisc fixes from Helge Deller: "Fix the boot crash on Mako machines with Huge Pages, prevent a panic with SATA controllers (and others) by correctly calculating the IOMMU space, hook up the mlock2 syscall and drop unneeded code in the parisc pci code" * 'parisc-4.4-3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux: parisc: Disable huge pages on Mako machines parisc: Wire up mlock2 syscall parisc: Remove unused pcibios_init_bus() parisc iommu: fix panic due to trying to allocate too large region
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block layer fixes from Jens Axboe: "A set of fixes for the current series. This contains: - A bunch of fixes for lightnvm, should be the last round for this series. From Matias and Wenwei. - A writeback detach inode fix from Ilya, also marked for stable. - A block (though it says SCSI) fix for an OOPS in SCSI runtime power management. - Module init error path fixes for null_blk from Minfei" * 'for-linus' of git://git.kernel.dk/linux-block: null_blk: Fix error path in module initialization lightnvm: do not compile in debugging by default lightnvm: prevent gennvm module unload on use lightnvm: fix media mgr registration lightnvm: replace req queue with nvmdev for lld lightnvm: comments on constants lightnvm: check mm before use lightnvm: refactor spin_unlock in gennvm_get_blk lightnvm: put blks when luns configure failed lightnvm: use flags in rrpc_get_blk block: detach bdev inode from its wb in __blkdev_put() SCSI: Fix NULL pointer dereference in runtime PM
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