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* pci/switchtec:
switchtec: Add device IDs for PSX 24xG3 and PSX 48xG3
switchtec: Add Global Fabric Manager Server (GFMS) event
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* pci/resource:
PCI: tegra: Remove PCI_REASSIGN_ALL_BUS use on Tegra
resource: Set type when reserving new regions
resource: Set type of "reserve=" user-specified resources
irqchip/i8259: Set I/O port resource types correctly
powerpc: Set I/O port resource types correctly
MIPS: Set I/O port resource types correctly
vgacon: Set VGA struct resource types
PCI: Use dev_info() rather than dev_err() for ROM validation
PCI: Remove PCI_REASSIGN_ALL_RSRC use on arm and arm64
PCI: Remove sysfs resource mmap warning
Conflicts:
drivers/pci/rom.c
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* pci/msi:
PCI: Disable MSI for HiSilicon Hip06/Hip07 only in Root Port mode
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* pci/misc:
PCI: Add dummy pci_irqd_intx_xlate() for CONFIG_PCI=n build
PCI: Add wrappers for dev_printk()
PCI: Remove unnecessary messages for memory allocation failures
PCI: Add #defines for Completion Timeout Disable feature
hinic: Replace PCI pool old API
net: e100: Replace PCI pool old API
block: DAC960: Replace PCI pool old API
MAINTAINERS: Include more PCI files
PCI: Remove unneeded kallsyms include
powerpc/pci: Unroll two pass loop when scanning bridges
powerpc/pci: Use for_each_pci_bridge() helper
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* pci/hotplug:
PCI: pciehp: Assume NoCompl+ for Thunderbolt ports
PCI: hotplug: Drop checking of PCI_BRIDGE_CONTROL in *_unconfigure_device()
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* pci/enumeration:
RDMA/qedr: Use pci_enable_atomic_ops_to_root()
PCI: Add pci_enable_atomic_ops_to_root()
PCI: Make PCI_SCAN_ALL_PCIE_DEVS work for Root as well as Downstream Ports
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* pci/dt-resources:
PCI: Make of_irq_parse_pci() static
powerpc/pci: Use of_irq_parse_and_map_pci() helper
PCI: Move OF-related PCI functions into PCI core
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* pci/dpc:
PCI/DPC: Reformat DPC register definitions
PCI/DPC: Add and use DPC Status register field definitions
PCI/DPC: Squash dpc_rp_pio_get_info() into dpc_process_rp_pio_error()
PCI/DPC: Remove unnecessary RP PIO register structs
PCI/DPC: Push dpc->rp_pio_status assignment into dpc_rp_pio_get_info()
PCI/DPC: Squash dpc_rp_pio_print_error() into dpc_rp_pio_get_info()
PCI/DPC: Make RP PIO log size check more generic
PCI/DPC: Rename local "status" to "dpc_status"
PCI/DPC: Squash dpc_rp_pio_print_tlp_header() into dpc_rp_pio_print_error()
PCI/DPC: Process RP PIO details only if RP PIO extensions supported
PCI/DPC: Read RP PIO Log Size once at probe
PCI/DPC: Rename struct dpc_dev.rp to rp_extensions
PCI/DPC: Add local variable for DPC capability offset
PCI/DPC: Rename interrupt_event_handler() to dpc_work()
PCI/DPC: Fix interrupt message number print
PCI/DPC: Enable DPC only if AER is available
PCI/DPC: Fix shared interrupt handling
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* pci/dma:
PCI: Remove NULL device handling from PCI DMA API
net: tsi108: Use DMA API properly
media: ttusb-dec: Remove pci_zalloc_coherent() abuse
media: ttusb-budget: Remove pci_zalloc_coherent() abuse
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* pci/deprecate-get-bus-and-slot:
video: fbdev: riva: deprecate pci_get_bus_and_slot()
video: fbdev: nvidia: deprecate pci_get_bus_and_slot()
video: fbdev: intelfb: deprecate pci_get_bus_and_slot()
openprom: Deprecate pci_get_bus_and_slot()
xen/pcifront: Deprecate pci_get_bus_and_slot()
PCI: Deprecate pci_get_bus_and_slot()
PCI: ibmphp: Deprecate pci_get_bus_and_slot()
PCI: cpqhp: Deprecate pci_get_bus_and_slot()
pch_gbe: Deprecate pci_get_bus_and_slot()
bnx2x: Deprecate pci_get_bus_and_slot()
powerpc/via-pmu: Deprecate pci_get_bus_and_slot()
iommu/amd: Deprecate pci_get_bus_and_slot()
sl82c105: deprecate pci_get_bus_and_slot()
drm/nouveau: deprecate pci_get_bus_and_slot()
drm/gma500: Deprecate pci_get_bus_and_slot()
ibft: Deprecate pci_get_bus_and_slot()
edd: Deprecate pci_get_bus_and_slot()
agp: sworks: Deprecate pci_get_bus_and_slot()
agp: nvidia: Deprecate pci_get_bus_and_slot()
ata: Deprecate pci_get_bus_and_slot()
x86/PCI: Deprecate pci_get_bus_and_slot()
powerpc/PCI: Deprecate pci_get_bus_and_slot()
alpha/PCI: Deprecate pci_get_bus_and_slot()
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* pci/aspm:
PCI/ASPM: Unexport internal ASPM interfaces
PCI/ASPM: Enable Latency Tolerance Reporting when supported
PCI/ASPM: Calculate LTR_L1.2_THRESHOLD from device characteristics
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Driver check the wrong register bit in rtl_ocp_tx_cond() that keep driver
waiting until timeout.
Fix this by waiting for the right register bit.
Signed-off-by: Chunhao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Quectel EP06 is a Cat. 6 LTE modem. It uses the same interface as
the EC20/EC25 for QMI, and requires the same "set DTR"-quirk to work.
Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull assorted small fixes queued for merge window.
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Pull Wacom device driver updates. These don't have to go on top of the
hid_have_special_driver[] revamp, as the whole group is assumed to
have a special driver based on VID.
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Pull hid-elo device detection fix
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'for-4.16/hid-quirks-cleanup/elecom', 'for-4.16/hid-quirks-cleanup/ish', 'for-4.16/hid-quirks-cleanup/multitouch', 'for-4.16/hid-quirks-cleanup/pixart', 'for-4.16/hid-quirks-cleanup/rmi', 'for-4.16/hid-quirks-cleanup/sony' and 'for-4.16/hid-quirks-cleanup/toshiba' into for-linus
Pull assorted device driver fixes (ASUS, Elecom, Intel-ISH, Multitouch, PixArt, RMI,
Sony and Toshiba) based on top the hid-quirks revamp.
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This series from Benjamin Tissoires finally removes one of the big PITAs
in the hid-core, which is the absolute need of having added all the new
device IDs into the horrid hid_have_special_driver[]
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In the past the ast driver relied upon the fbdev emulation helpers to
call ->load_lut at boot-up. But since
commit b8e2b0199cc377617dc238f5106352c06dcd3fa2
Author: Peter Rosin <peda@axentia.se>
Date: Tue Jul 4 12:36:57 2017 +0200
drm/fb-helper: factor out pseudo-palette
that's cleaned up and drivers are expected to boot into a consistent
lut state. This patch fixes that.
Fixes: b8e2b0199cc3 ("drm/fb-helper: factor out pseudo-palette")
Cc: Peter Rosin <peda@axenita.se>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: <stable@vger.kernel.org> # v4.14+
References: https://bugzilla.kernel.org/show_bug.cgi?id=198123
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20180131110450.22153-1-daniel.vetter@ffwll.ch
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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This patch adds support to the Cadence PCIe controller in endpoint mode.
Since pieces of source code are shared with the host driver (Root
Complex mode), we create a new directory under drivers/pci dedicated to
the Cadence PCIe controller. The common code is placed into
drivers/pci/cadence/pcie-cadence.c and used by both the host and
endpoint controller drivers.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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Fix the pci_epf_make() function so it can now bind many EPF devices to the
same EPF driver.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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This patch updates the prototype of most handlers from 'struct
pci_epc_ops' so the EPC library can now support multi-function devices.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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This patch adds support to the Cadence PCIe controller in host mode.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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This patchs moves generic source code from
drivers/pci/host/pci-host-common.c into drivers/pci/probe.c.
Indeed the extracted lines of code were duplicated by many host
controller drivers. Regrouping them into a generic function gives a
change to properly share this code without introducing a useless
dependency to PCI_HOST_COMMON, which selects PCI_ECAM when not needed by
most host controller drivers.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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Call pci_free_resource_list() from pci_host_common_probe() when probing
fails, as done inside gen_pci_init() when this later function fails.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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The patch moves the gen_pci_parse_request_of_pci_ranges() function from
drivers/pci/host/pci-host-common.c into drivers/pci/of.c to easily share
common source code between PCI host drivers.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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Clean up drivers/Makefile by moving the pci/endpoint and pci/dwc entries
from drivers/Makefile into drivers/pci/Makefile.
Since we don't want to introduce any dependency between CONFIG_PCI and
CONFIG_PCI_ENDPOINT, we now always execute drivers/pci/Makefile.
Hence all Makefiles in drivers/pci/ were updated accordingly so no file is
compiled when CONFIG_PCI is not defined.
Also, we add a comment to reinforce that EPC and EPF libraries must be
initialized before their users. Hence built-in EPC drivers, such as
those of Designware, are linked after the endpoint core libraries.
Finally, we add another comment to explain why obj-y has been chosen
instead of obj-$(CONFIG_PCIE_DW) to parse the dwc/ sub-folder.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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If NO_DMA=y:
ERROR: "bad_dma_ops" [drivers/mmc/host/renesas_sdhi_sys_dmac.ko] undefined!
ERROR: "bad_dma_ops" [drivers/mmc/host/renesas_sdhi_internal_dmac.ko] undefined!
Add dependencies on HAS_DMA to fix this.
Fixes: e578afab6e5f57e7 ("mmc: renesas_sdhi: remove wrong depends on to enable compile test")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The bounce buffer is gone from the MMC core, and now we found out
that there are some (crippled) i.MX boards out there that have broken
ADMA (cannot do scatter-gather), and also broken PIO so they must
use SDMA. Closer examination shows a less significant slowdown
also on SDMA-only capable Laptop hosts.
SDMA sets down the number of segments to one, so that each segment
gets turned into a singular request that ping-pongs to the block
layer before the next request/segment is issued.
Apparently it happens a lot that the block layer send requests
that include a lot of physically discontiguous segments. My guess
is that this phenomenon is coming from the file system.
These devices that cannot handle scatterlists in hardware can see
major benefits from a DMA-contiguous bounce buffer.
This patch accumulates those fragmented scatterlists in a physically
contiguous bounce buffer so that we can issue bigger DMA data chunks
to/from the card.
When tested with a PCI-integrated host (1217:8221) that
only supports SDMA:
0b:00.0 SD Host controller: O2 Micro, Inc. OZ600FJ0/OZ900FJ0/OZ600FJS
SD/MMC Card Reader Controller (rev 05)
This patch gave ~1Mbyte/s improved throughput on large reads and
writes when testing using iozone than without the patch.
dmesg:
sdhci-pci 0000:0b:00.0: SDHCI controller found [1217:8221] (rev 5)
mmc0 bounce up to 128 segments into one, max segment size 65536 bytes
mmc0: SDHCI controller on PCI [0000:0b:00.0] using DMA
On the i.MX SDHCI controllers on the crippled i.MX 25 and i.MX 35
the patch restores the performance to what it was before we removed
the bounce buffers.
Cc: Pierre Ossman <pierre@ossman.eu>
Cc: Benoît Thébaudeau <benoit@wsystem.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Benjamin Beckmeyer <beckmeyer.b@rittal.de>
Cc: stable@vger.kernel.org # v4.14+
Fixes: de3ee99b097d ("mmc: Delete bounce buffer handling")
Tested-by: Benjamin Beckmeyer <beckmeyer.b@rittal.de>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Don't let a lessee control what the current DRM master is set to;
that's the job of the "real" master. Otherwise, the lessee would
disable all access to master operations for the owner and all lessees
under it.
This matches the same check made in the SET_MASTER ioctl.
Signed-off-by: Keith Packard <keithp@keithp.com>
Fixes: 2ed077e467ee ("drm: Add drm_object lease infrastructure [v5]")
Cc: <stable@vger.kernel.org> # v4.15+
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20180119015159.1606-1-keithp@keithp.com
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If the device is of type VFL_TYPE_SUBDEV then vdev->ioctl_ops
is NULL so the 'if (!ops->vidioc_query_ext_ctrl)' check would crash.
Add a test for !ops to the condition.
All sub-devices that have controls will use the control framework,
so they do not have an equivalent to ops->vidioc_query_ext_ctrl.
Returning false if ops is NULL is the correct thing to do here.
Fixes: b8c601e8af ("v4l2-compat-ioctl32.c: fix ctrl_is_pointer")
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: <stable@vger.kernel.org> # for v4.15 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Since commit 3a025e1d1c2e ("Add optional check for bad kernel-doc
comments") building with W=1 causes warnings to appear for issues in
kernel-doc headers. This patch avoids that the following warnings are
reported when building with W=1:
drivers/scsi/device_handler/scsi_dh_alua.c:867: warning: No description found for parameter 'pg'
drivers/scsi/device_handler/scsi_dh_alua.c:867: warning: No description found for parameter 'sdev'
drivers/scsi/device_handler/scsi_dh_alua.c:867: warning: No description found for parameter 'qdata'
drivers/scsi/device_handler/scsi_dh_alua.c:867: warning: No description found for parameter 'force'
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Remove line using non-existent files which were removed in
commit 642978beb483 ("[SCSI] remove m68k NCR53C9x based drivers")
[mkp: tweaked patch description]
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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aiclib.c is unused (and contains no code) since commit 1ff927306e08
("[SCSI] aic7xxx: remove aiclib.c")
13 years later, finish the cleaning by removing it from tree.
[mkp: tweaked patch description]
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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This status is returned from driver to block layer if device related
resource is unavailable, but driver can guarantee that IO dispatch
will be triggered in future when the resource is available.
Convert some drivers to return BLK_STS_DEV_RESOURCE. Also, if driver
returns BLK_STS_RESOURCE and SCHED_RESTART is set, rerun queue after
a delay (BLK_MQ_DELAY_QUEUE) to avoid IO stalls. BLK_MQ_DELAY_QUEUE is
3 ms because both scsi-mq and nvmefc are using that magic value.
If a driver can make sure there is in-flight IO, it is safe to return
BLK_STS_DEV_RESOURCE because:
1) If all in-flight IOs complete before examining SCHED_RESTART in
blk_mq_dispatch_rq_list(), SCHED_RESTART must be cleared, so queue
is run immediately in this case by blk_mq_dispatch_rq_list();
2) if there is any in-flight IO after/when examining SCHED_RESTART
in blk_mq_dispatch_rq_list():
- if SCHED_RESTART isn't set, queue is run immediately as handled in 1)
- otherwise, this request will be dispatched after any in-flight IO is
completed via blk_mq_sched_restart()
3) if SCHED_RESTART is set concurently in context because of
BLK_STS_RESOURCE, blk_mq_delay_run_hw_queue() will cover the above two
cases and make sure IO hang can be avoided.
One invariant is that queue will be rerun if SCHED_RESTART is set.
Suggested-by: Jens Axboe <axboe@kernel.dk>
Tested-by: Laurence Oberman <loberman@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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