| Commit message (Collapse) | Author | Age | Files | Lines |
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Simplify the arguments to blkdev_nr_zones by passing a gendisk instead
of the block_device and capacity. This also removes the need for
__blkdev_nr_zones as all callers are outside the fast path and can
deal with the additional branch.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Use a saner size calculation, and do a trivial cleanup on the zone
revalidation to prepare to future changes.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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For zoned=1 mode, the zone size must be a power of 2. Check this not
only when the zone size is specified during modprobe, but also when
creating a zoned null_blk device using configfs.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Pull ceph updates from Ilya Dryomov:
"The two highlights are a set of improvements to how rbd read-only
mappings are handled and a conversion to the new mount API (slightly
complicated by the fact that we had a common option parsing framework
that called out into rbd and the filesystem instead of them calling
into it).
Also included a few scattered fixes and a MAINTAINERS update for rbd,
adding Dongsheng as a reviewer"
* tag 'ceph-for-5.5-rc1' of git://github.com/ceph/ceph-client:
libceph, rbd, ceph: convert to use the new mount API
rbd: ask for a weaker incompat mask for read-only mappings
rbd: don't query snapshot features
rbd: remove snapshot existence validation code
rbd: don't establish watch for read-only mappings
rbd: don't acquire exclusive lock for read-only mappings
rbd: disallow read-write partitions on images mapped read-only
rbd: treat images mapped read-only seriously
rbd: introduce RBD_DEV_FLAG_READONLY
rbd: introduce rbd_is_snap()
ceph: don't leave ino field in ceph_mds_request_head uninitialized
ceph: tone down loglevel on ceph_mdsc_build_path warning
rbd: update MAINTAINERS info
ceph: fix geting random mds from mdsmap
rbd: fix spelling mistake "requeueing" -> "requeuing"
ceph: make several helper accessors take const pointers
libceph: drop unnecessary check from dispatch() in mon_client.c
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Convert the ceph filesystem to the new internal mount API as the old
one will be obsoleted and removed. This allows greater flexibility in
communication of mount parameters between userspace, the VFS and the
filesystem.
See Documentation/filesystems/mount_api.txt for more information.
[ Numerous string handling, leak and regression fixes; rbd conversion
was particularly broken and had to be redone almost from scratch. ]
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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For a read-only mapping, ask for a set of features that make the image
only unwritable rather than both unreadable and unwritable by a client
that doesn't understand them. As of today, the difference between them
for krbd is journaling (JOURNALING) and live migration (MIGRATING).
get_features method supports read_only parameter since hammer, ceph.git
commit 6176ec5fde2a ("librbd: differentiate between R/O vs R/W RBD
features").
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
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Since infernalis, ceph.git commit 281f87f9ee52 ("cls_rbd: get_features
on snapshots returns HEAD image features"), querying and checking that
is pointless. Userspace support for manipulating image features after
image creation came also in infernalis, so a snapshot with a different
set of features wasn't ever possible.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
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RBD_DEV_FLAG_EXISTS check in rbd_queue_workfn() is racy and leads to
inconsistent behaviour. If the object (or its snapshot) isn't there,
the OSD returns ENOENT. A read submitted before the snapshot removal
notification is processed would be zero-filled and ended with status
OK, while future reads would be failed with IOERR. It also doesn't
handle a case when an image that is mapped read-only is removed.
On top of this, because watch is no longer established for read-only
mappings, we no longer get notifications, so rbd_exists_validate() is
effectively dead code. While failing requests rather than returning
zeros is a good thing, RBD_DEV_FLAG_EXISTS is not it.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
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With exclusive lock out of the way, watch is the only thing left that
prevents a read-only mapping from being used with read-only OSD caps.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
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A read-only mapping should be usable with read-only OSD caps, so
neither the header lock nor the object map lock can be acquired.
Unfortunately, this means that images mapped read-only lose the
advantage of the object map.
Snapshots, however, can take advantage of the object map without
any exclusionary locks, so if the object map is desired, snapshot
the image and map the snapshot instead of the image.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
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If an image is mapped read-only, don't allow setting its partition(s)
to read-write via BLKROSET: with the previous patch all writes to such
images are failed anyway.
If an image is mapped read-write, its partition(s) can be set to
read-only (and back to read-write) as before. Note that at the rbd
level the image will remain writeable: anything sent down by the block
layer will be executed, including any write from internal kernel users.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
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Even though -o ro/-o read_only/--read-only options are very old, we
have never really treated them seriously (on par with snapshots). As
a first step, fail writes to images mapped read-only just like we do
for snapshots.
We need this check in rbd because the block layer basically ignores
read-only setting, see commit a32e236eb93e ("Partially revert "block:
fail op_is_write() requests to read-only partitions"").
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
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rbd_dev->opts is not available for parent images, making checking
rbd_dev->opts->read_only in various places (rbd_dev_image_probe(),
need_exclusive_lock(), use_object_map() in the following patches)
harder than it needs to be.
Keeping rbd_dev_image_probe() in mind, move the initialization in
do_rbd_add() up. snap_id isn't filled in at that point, so replace
rbd_is_snap() with a snap_name comparison.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
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Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Jason Dillaman <dillaman@redhat.com>
Reviewed-by: Dongsheng Yang <dongsheng.yang@easystack.cn>
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There is a spelling mistake in a debug message. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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Pull ARM Device-tree updates from Olof Johansson:
"As always, the bulk of updates. Some of the news this cycle:
New SoC descriptions:
- Broadcom BCM2711
- Amlogic Meson A1 and G12
- Freescale S32V234
- Marvell Armada AP807/AP807-quad and CP115
- Realtek RTD1293 and RTD1296
- Rockchip RK3308
New boards and platforms:
- Allwinner: NanoPi Duo2
- Amlogic: Ugoos am6
- Atmel at91: Overkiz Kizbox2/4
- Broadcom: RPi4, Luxul XWC-2000
- Marvell: New Espressobin flavor
- NXP: i.MX8MN LPDDR4 EVK, i.MX8QXP Colibri, S32V234 EVB, Netronix
E60K02 and Kobo Clara HD, Kontron N6311 and N6411, OPOS6UL and
OPOS6ULDev
- Renesas: Salvator-XS
- Rockchip: Beelink A1 (rk3308), rk3308 eval boards, rk3399-roc-pc"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (653 commits)
ARM: dts: logicpd-torpedo: Disable USB Host
arm: dts: mt6323: add keys, power-controller, rtc and codec
arm64: dts: mt8183: add systimer0 device node
dt-bindings: mediatek: update bindings for MT8183 systimer
arm64: dts: rockchip: fix sdmmc detection on boot on rk3328-roc-cc
arm64: dts: rockchip: Split rk3399-roc-pc for with and without mezzanine board.
arm64: dts: rockchip: Add Beelink A1
dt-bindings: ARM: rockchip: Add Beelink A1
arm64: dts: rockchip: Add RK3328 audio pipelines
arm64: dts: ti: k3-j721e-common-proc-board: Add USB ports
arm64: dts: ti: k3-j721e-main: add USB controller nodes
ARM: dts: aspeed-g6: Add timer description
ARM: dts: aspeed: ast2600evb: Enable i2c buses
ARM: dts: at91: add a dts and dtsi file for kizbox2 based boards
dt-bindings: arm: at91: Document Kizbox2-2 board binding
arm64: dts: meson-gx: fix i2c compatible
arm64: dts: meson-gx: cec node should be disabled by default
arm64: dts: meson-g12b-odroid-n2: add missing amlogic, s922x compatible
arm64: dts: meson-gxm: fix gpu irq order
arm64: dts: meson-g12a: fix gpu irq order
...
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git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/dt
Qualcomm ARM64 Updates for v5.5
* Add thermal IRQ support on MSM8916, SDM845, MSM8996, and QCS404
* Fix thermal HW ids for cpus on MSM8916
* Add blsp1 UART3 and blsp1 BAM on MSM8998
* Add volume buttons and WCNSS for Wifi and BT on MSM8916 LongCheer-l8150
* Fixup load on l21 for SD on apq8096-db820c
* Enable LVS1/2, APSS watchdog, and select UFS reset gpio for SDM845
* Disable coresight by default on MSM8998
* Enable bluetooth and remove retention idle state on MSM8998-clamshell
* Enable adsp, cdsp, and mpss on C630
* Enable bluetooth on MSM8998-mtp
* Delete zap shader on SDM845-cheza
* Add tactile buttons and hall sensor on MSM8916-Samsung-A2015
* Add Interconnect nodes, watchdog, and sleep clk on QCS404
* Override Iris compatible on MSM8916-Samsung-A5U
* Enable WCNSS Wifi and bluetooth on MSM8916-Samsung-A2015
* Fixup cooling states for the aoss warming devices
* tag 'qcom-arm64-for-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (26 commits)
arm64: dts: qcom: db845c: Enable LVS 1 and 2
arm64: dts: qcom: msm8998: Disable coresight by default
arm64: dts: qcom: msm8998-clamshell: Remove retention idle state
arm64: dts: qcom: sdm845-cheza: delete zap-shader
arm64: dts: msm8916: thermal: Fixup HW ids for cpu sensors
arm64: dts: sdm845: thermal: Add interrupt support
arm64: dts: msm8996: thermal: Add interrupt support
arm64: dts: msm8998: thermal: Add interrupt support
arm64: dts: qcs404: thermal: Add interrupt support
arm64: dts: qcom: sdm845: Add APSS watchdog node
arm64: dts: qcom: c630: Enable adsp, cdsp and mpss
arm64: dts: qcom: msm8998-clamshell: Enable bluetooth
arm64: dts: qcom: msm8998-mtp: Enable bluetooth
arm64: dts: qcom: msm8998: Add blsp1_uart3
arm64: dts: qcom: msm8998: Add blsp1 BAM
arm64: dts: msm8916-longcheer-l8150: Add Volume buttons
arm64: dts: msm8916-longcheer-l8150: Enable WCNSS for WiFi and BT
soc: qcom: Invert the cooling states for the aoss warming devices
arm64: dts: apq8096-db820c: Increase load on l21 for SDCARD
arm64: dts: msm8916-samsung-a2015: add tactile buttons and hall sensor
...
Link: https://lore.kernel.org/r/1573068840-13098-2-git-send-email-agross@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
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Thermal framework takes 0 as the lowest/default state for a
cooling/warming device. The current code has the order inverted with 1
corresponding to lowest state in hardware and 0 the highest state.
Invert this for a better fit with the thermal framework.
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/dt
LX2160A TMU support for 5.5:
- Add TMU (Thermal Monitoring Unit) device node to enable thermal
support on LX2160A SoC.
* tag 'imx-dt64-tmu-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: lx2160a: add tmu device node
ARM: imx_v6_v7_defconfig: Enable CONFIG_DRM_MSM
arm64: dts: imx8mn: Use correct clock for usdhc's ipg clk
arm64: dts: imx8mm: Use correct clock for usdhc's ipg clk
arm64: dts: imx8mq: Use correct clock for usdhc's ipg clk
ARM: dts: imx7s: Correct GPT's ipg clock source
ARM: dts: vf610-zii-scu4-aib: Specify 'i2c-mux-idle-disconnect'
ARM: dts: imx6q-logicpd: Re-Enable SNVS power key
arm64: dts: lx2160a: Correct CPU core idle state name
arm64: dts: zii-ultra: fix ARM regulator states
soc: imx: imx-scu: Getting UID from SCU should have response
Link: https://lore.kernel.org/r/20191105150315.15477-6-shawnguo@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/dt
PRM reset control dts changes for v5.5 merge window
This series of changes adds the PRM reset driver nodes for am3/4, omap4/5
and dra7 SoCs. The reset driver changes make it easier to add support for
various accelerators for TI SoCs in a more generic way.
Note that this branch is based on the PRM reset driver changes branch.
* tag 'omap-for-v5.5/prm-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: dts: omap5: Add PRM data
ARM: dts: am43xx: Add PRM data
ARM: dts: am33xx: Add PRM data
ARM: dts: omap4: add PRM nodes
ARM: dts: dra7: add PRM nodes
soc: ti: omap-prm: add omap5 PRM data
soc: ti: omap-prm: add am4 PRM data
soc: ti: omap-prm: add dra7 PRM data
soc: ti: omap-prm: add data for am33xx
soc: ti: omap-prm: add omap4 PRM data
soc: ti: omap-prm: add support for denying idle for reset clockdomain
soc: ti: omap-prm: poll for reset complete during de-assert
soc: ti: add initial PRM driver with reset control support
dt-bindings: omap: add new binding for PRM instances
Link: https://lore.kernel.org/r/pull-1572623173-281197@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/dt
Drop legacy platform data for omaps for v5.5
This series of changes continues dropping legacy platform data for
omaps. With the proper device tree configuration in place in the dts
files for ti-sysc interconnect target module driver, we can drop the
related platform data and legacy ti,hwmods custom property.
Most of the patches in this series drop platform data and custom dts
property one device class and one SoC at time. This way we can easily
revert one patch at a time in case of unexpected issues if the fix is
not trivial.
For am335x musb, we need to first update the device tree to probe with
ti-sysc interconnect target module driver. And then the following
patches drop the legacy platform data.
Note that this series depends on earlier ti-sysc related driver changes
* tag 'omap-for-v5.5/ti-sysc-drop-pdata-v2-signed-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (40 commits)
ARM: OMAP2+: Drop legacy platform data for am335x musb
ARM: dts: Drop pointless status changing for am3 musb
ARM: dts: Probe am335x musb with ti-sysc
ARM: OMAP2+: Drop legacy platform data for musb on omap4
ARM: OMAP2+: Drop legacy platform data for omap4 mcasp
ARM: OMAP2+: Drop legacy platform data for am3 and am4 mcasp
ARM: OMAP2+: Drop legacy platform data for dra7 rng
ARM: OMAP2+: Drop legacy platform data for am3 and am4 rng
ARM: OMAP2+: Drop legacy platform data for omap4 hdq1w
ARM: OMAP2+: Drop legacy platform data for dra7 hdq1w
ARM: OMAP2+: Drop legacy platform data for am4 hdq1w
ARM: OMAP2+: Drop legacy platform data for omap5 mcbsp
ARM: OMAP2+: Drop legacy platform data for omap4 mcbsp
ARM: OMAP2+: Drop legacy platform data for omap5 wdt
ARM: OMAP2+: Drop legacy platform data for dra7 wdt
ARM: OMAP2+: Drop legacy platform data for am3 and am4 wdt
ARM: dts: Drop custom hwmod property for omap5 mmc
ARM: dts: Drop custom hwmod property for am4 mmc
ARM: dts: Drop custom hwmod property for am3 mmc
ARM: dts: Drop custom hwmod property for omap5 i2c
...
Link: https://lore.kernel.org/r/pull-1571934890-285615@atomide.com-3
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Olof Johansson:
"Various driver updates for platforms:
- A larger set of work on Tegra 2/3 around memory controller and
regulator features, some fuse cleanups, etc..
- MMP platform drivers, in particular for USB PHY, and other smaller
additions.
- Samsung Exynos 5422 driver for DMC (dynamic memory configuration),
and ASV (adaptive voltage), allowing the platform to run at more
optimal operating points.
- Misc refactorings and support for RZ/G2N and R8A774B1 from Renesas
- Clock/reset control driver for TI/OMAP
- Meson-A1 reset controller support
- Qualcomm sdm845 and sda845 SoC IDs for socinfo"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (150 commits)
firmware: arm_scmi: Fix doorbell ring logic for !CONFIG_64BIT
soc: fsl: add RCPM driver
dt-bindings: fsl: rcpm: Add 'little-endian' and update Chassis definition
memory: tegra: Consolidate registers definition into common header
memory: tegra: Ensure timing control debug features are disabled
memory: tegra: Introduce Tegra30 EMC driver
memory: tegra: Do not handle error from wait_for_completion_timeout()
memory: tegra: Increase handshake timeout on Tegra20
memory: tegra: Print a brief info message about EMC timings
memory: tegra: Pre-configure debug register on Tegra20
memory: tegra: Include io.h instead of iopoll.h
memory: tegra: Adapt for Tegra20 clock driver changes
memory: tegra: Don't set EMC rate to maximum on probe for Tegra20
memory: tegra: Add gr2d and gr3d to DRM IOMMU group
memory: tegra: Set DMA mask based on supported address bits
soc: at91: Add Atmel SFR SN (Serial Number) support
memory: atmel-ebi: switch to SPDX license identifiers
memory: atmel-ebi: move NUM_CS definition inside EBI driver
soc: mediatek: Refactor bus protection control
soc: mediatek: Refactor sram control
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/drivers
ARM SCMI fix for v5.5
Just a single fix to correct the SCMI fast channel doorbell ring logic
when CONFIG_64BIT is not set.
* tag 'scmi-fix-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scmi: Fix doorbell ring logic for !CONFIG_64BIT
Link: https://lore.kernel.org/r/20191114164555.GA19398@bogus
Signed-off-by: Olof Johansson <olof@lixom.net>
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The logic to ring the scmi performance fastchannel ignores the
value read from the doorbell register in case of !CONFIG_64BIT.
This bug also shows up as warning with '-Wunused-but-set-variable' gcc
flag:
drivers/firmware/arm_scmi/perf.c: In function scmi_perf_fc_ring_db:
drivers/firmware/arm_scmi/perf.c:323:7: warning: variable val set but
not used [-Wunused-but-set-variable]
Fix the same by aligning the logic with CONFIG_64BIT as used in the
macro SCMI_PERF_FC_RING_DB().
Fixes: 823839571d76 ("firmware: arm_scmi: Make use SCMI v2.0 fastchannel for performance protocol")
Reported-by: Hulk Robot <hulkci@huawei.com>
Reported-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/drivers
NXP/FSL SoC driver updates for v5.5
RCPM driver for ARM SoCs
- add RCPM driver to manage the wakeup devices for QorIQ ARM SoCs (HW low
power states are supported in PSCI firmware)
- add API to PM wakeup framework to retrieve wakeup sources
* tag 'soc-fsl-next-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
soc: fsl: add RCPM driver
dt-bindings: fsl: rcpm: Add 'little-endian' and update Chassis definition
PM: wakeup: Add routine to help fetch wakeup source object.
Link: https://lore.kernel.org/r/1573599595-31411-1-git-send-email-leoyang.li@nxp.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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The NXP's QorIQ processors based on ARM Core have RCPM module
(Run Control and Power Management), which performs system level
tasks associated with power management such as wakeup source control.
Note that this driver will not support PowerPC based QorIQ processors,
and it depends on PM wakeup source framework which provide collect
wake information.
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
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Some user might want to go through all registered wakeup sources
and doing things accordingly. For example, SoC PM driver might need to
do HW programming to prevent powering down specific IP which wakeup
source depending on. So add this API to help walk through all registered
wakeup source objects on that list and return them one by one.
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
Tested-by: Leonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers
memory: tegra: Changes for v5.5-rc1
This contains a couple of fixes and adds support for EMC frequency
scaling on Tegra30.
* tag 'tegra-for-5.5-memory-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
memory: tegra: Consolidate registers definition into common header
memory: tegra: Ensure timing control debug features are disabled
memory: tegra: Introduce Tegra30 EMC driver
memory: tegra: Do not handle error from wait_for_completion_timeout()
memory: tegra: Increase handshake timeout on Tegra20
memory: tegra: Print a brief info message about EMC timings
memory: tegra: Pre-configure debug register on Tegra20
memory: tegra: Include io.h instead of iopoll.h
memory: tegra: Adapt for Tegra20 clock driver changes
memory: tegra: Don't set EMC rate to maximum on probe for Tegra20
memory: tegra: Add gr2d and gr3d to DRM IOMMU group
memory: tegra: Set DMA mask based on supported address bits
clk: tegra: Add Tegra20/30 EMC clock implementation
Link: https://lore.kernel.org/r/20191111143836.4027200-1-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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The Memory Controller registers definition is sparse and duplicated,
let's consolidate everything into a common place for consistency.
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Timing control debug features should be disabled at a boot time, but you
never now and hence it's better to disable them explicitly because some of
those features are crucial for the driver to do a proper thing.
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Introduce driver for the External Memory Controller (EMC) found on Tegra30
chips, it controls the external DRAM on the board. The purpose of this
driver is to program memory timing for external memory on the EMC clock
rate change.
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Peter Geis <pgwipeout@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Contrary to its wait_for_completion_timeout_interruptible() sibling, the
wait_for_completion_timeout() function does not return an error.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Turned out that it could take over a millisecond under some circumstances,
like running on a very low CPU/memory frequency. TRM says that handshake
happens when there is a "safe" moment, but not explains exactly what that
moment is. Apparently at least memory should be idling and thus the low
frequency should be a reasonable cause for a longer handshake delay.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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During boot print how many memory timings got the driver and what's the
RAM code. This is a very useful information when something is wrong with
boards memory timing.
Suggested-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The driver expects certain debug features to be disabled in order to
work properly. Let's disable them explicitly for consistency and to not
rely on a boot state.
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The register polling code was gone, but the included header change was
missed. Fix it up for consistency.
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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Now Tegra20 and Tegra30 EMC drivers should provide clock-rounding
functionality using the new Tegra clock driver API.
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The memory frequency scaling will be managed by tegra20-devfreq driver
and PM QoS once all the prerequisite patches will get upstreamed.
The parent clock is now managed by the clock driver and we also should
assume that PLLM rate can't be changed on some devices (Galaxy Tab 10.1
for example). Altogether there is no point in touching of clock's rate
from the EMC driver.
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
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All of the devices making up the Tegra DRM device want to share a single
IOMMU domain. Put them into a single group to allow them to do that.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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The memory controller on Tegra124 and later supports 34 or more address
bits. Advertise that by setting the DMA mask based on the number of the
address bits.
Signed-off-by: Thierry Reding <treding@nvidia.com>
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into arm/drivers
ARM64: hisi: SoC driver updates for 5.5
- check the LOGIC_PIO_INDIRECT region ops at registration instead of
in the IO port accessors to optimise the lib/ligic_pio.c
- add the hisi LPC driver to the build test for the other architectures
except ALPHA, C6X, HEXAGON and PARISC as they do not define {read,write}sb
by updating the hisi LPC Kconfig and adding a dummy PIO_INDIRECT_SIZE
- clean the sparse complains of the hisi LPC driver
- build logic_pio into a lib to avoid including in the vmlinux when not
referenced
* tag 'hisi-drivers-for-5.5' of git://github.com/hisilicon/linux-hisi:
logic_pio: Build into a library
bus: hisi_lpc: Expand build test coverage
bus: hisi_lpc: Clean some types
logic_pio: Define PIO_INDIRECT_SIZE for !CONFIG_INDIRECT_PIO
lib: logic_pio: Enforce LOGIC_PIO_INDIRECT region ops are set at registration
Link: https://lore.kernel.org/r/5DC959B9.80301@hisilicon.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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Currently the driver will only ever be built for ARM64 because it selects
CONFIG_INDIRECT_PIO, which itself depends on ARM64.
Expand build test coverage for the driver to other architectures by only
selecting CONFIG_INDIRECT_PIO for ARM64, when we really want it.
We don't include ALPHA, C6X, HEXAGON, and PARISC architectures as they
don't define {read, write}sb.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
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Sparse complains of these:
drivers/bus/hisi_lpc.c:82:38: warning: incorrect type in argument 1 (different address spaces)
drivers/bus/hisi_lpc.c:82:38: expected void const volatile [noderef] <asn:2>*addr
drivers/bus/hisi_lpc.c:82:38: got unsigned char *
drivers/bus/hisi_lpc.c:131:35: warning: incorrect type in argument 1 (different address spaces)
drivers/bus/hisi_lpc.c:131:35: expected unsigned char *mbase
drivers/bus/hisi_lpc.c:131:35: got void [noderef] <asn:2>*membase
drivers/bus/hisi_lpc.c:186:35: warning: incorrect type in argument 1 (different address spaces)
drivers/bus/hisi_lpc.c:186:35: expected unsigned char *mbase
drivers/bus/hisi_lpc.c:186:35: got void [noderef] <asn:2>*membase
drivers/bus/hisi_lpc.c:228:16: warning: cast to restricted __le32
drivers/bus/hisi_lpc.c:251:13: warning: incorrect type in assignment (different base types)
drivers/bus/hisi_lpc.c:251:13: expected unsigned int [unsigned] [usertype] val
drivers/bus/hisi_lpc.c:251:13: got restricted __le32 [usertype] <noident>
Clean them up.
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into arm/drivers
refactor code of mtk-scpsys
* tag 'v5.4-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
soc: mediatek: Refactor bus protection control
soc: mediatek: Refactor sram control
soc: mediatek: Refactor clock control
soc: mediatek: Refactor regulator control
soc: mediatek: Refactor polling timeout and documentation
Link: https://lore.kernel.org/r/294422a4-37b2-def5-5d32-8988f27c3a5b@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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Put bus protection enable and disable control in separate functions.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Put sram enable and disable control in separate functions.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
[mb: fix coding style of reading register and changing the read value]
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Put clock enable and disable control in separate function.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Put regulator enable and disable control in separate functions.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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Use USEC_PER_SEC to indicate the polling timeout directly.
And add documentation of scp_domain_data.
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/drivers
soc: amlogic: updates for v5.5
Highlights
- socinfo: more SoC IDs
- firmware: misc secure-monitor cleanups
* tag 'amlogic-drivers' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
soc: amlogic: meson-gx-socinfo: Fix S905D3 ID for VIM3L
soc: amlogic: meson-gx-socinfo: Add S905X3 ID for VIM3L
soc: amlogic: meson-gx-socinfo: Add A1 and A113L IDs
firmware: meson_sm: use %*ph to print small buffer
firmware: meson_sm: Rework driver as a proper platform driver
nvmem: meson-efuse: bindings: Add secure-monitor phandle
firmware: meson_sm: Mark chip struct as static const
Link: https://lore.kernel.org/r/7hftivs11f.fsf@baylibre.com
Signed-off-by: Olof Johansson <olof@lixom.net>
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