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Currently svc_rdma_recv_ctxt_put's callers have to know whether they
want to free the ctxt's pages or not. This means the human
developers have to know when and why to set that free_pages
argument.
Instead, the ctxt should carry that information with it so that
svc_rdma_recv_ctxt_put does the right thing no matter who is
calling.
We want to keep track of the number of pages in the Receive buffer
separately from the number of pages pulled over by RDMA Read. This
is so that the correct number of pages can be freed properly and
that number is well-documented.
So now, rc_hdr_count is the number of pages consumed by head[0]
(ie., the page index where the Read chunk should start); and
rc_page_count is always the number of pages that need to be released
when the ctxt is put.
The @free_pages argument is no longer needed.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Clean up: No need to retain rq_depth in struct svcrdma_xprt, it is
used only in svc_rdma_accept().
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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svc_rdma_op_ctxt's are pre-allocated and maintained on a per-xprt
free list. This eliminates the overhead of calling kmalloc / kfree,
both of which grab a globally shared lock that disables interrupts.
To reduce contention further, separate the use of these objects in
the Receive and Send paths in svcrdma.
Subsequent patches will take advantage of this separation by
allocating real resources which are then cached in these objects.
The allocations are freed when the transport is torn down.
I've renamed the structure so that static type checking can be used
to ensure that uses of op_ctxt and recv_ctxt are not confused. As an
additional clean up, structure fields are renamed to conform with
kernel coding conventions.
As a final clean up, helpers related to recv_ctxt are moved closer
to the functions that use them.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late updates from Olof Johansson:
"This is a branch with a few merge requests that either came in late,
or took a while longer for us to review and merge than usual and thus
cut it a bit close to the merge window. We stage them in a separate
branch and if things look good, we still send them up -- and that's
the case here.
This is mostly DT additions for Renesas platforms, adding IP block
descriptions for existing and new SoCs.
There are also some driver updates for Qualcomm platforms for SMEM/QMI
and GENI, which is their generalized serial protocol interface"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (186 commits)
soc: qcom: smem: introduce qcom_smem_virt_to_phys()
soc: qcom: qmi: fix a buffer sizing bug
MAINTAINERS: Update pattern for qcom_scm
soc: Unconditionally include qcom Makefile
soc: qcom: smem: check sooner in qcom_smem_set_global_partition()
soc: qcom: smem: fix qcom_smem_set_global_partition()
soc: qcom: smem: fix off-by-one error in qcom_smem_alloc_private()
soc: qcom: smem: byte swap values properly
soc: qcom: smem: return proper type for cached entry functions
soc: qcom: smem: fix first cache entry calculation
soc: qcom: cmd-db: Make endian-agnostic
drivers: qcom: add command DB driver
arm64: dts: renesas: salvator-common: Add ADV7482 support
ARM: dts: r8a7740: Add CEU1
ARM: dts: r8a7740: Add CEU0
arm64: dts: renesas: salvator-common: enable VIN
arm64: dts: renesas: r8a77970: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a77965: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a7796: add VIN and CSI-2 nodes
arm64: dts: renesas: r8a7795-es1: add CSI-2 node
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git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux into next/late
Qualcomm ARM Based Driver Updates for v4.18
* Various SMEM updates/fixes
* Add qcom_smem_virt_to_phys SMEM API
* Update MAINTAINERS to include qcom_scm pattern
* Add Qualcomm Command DB driver
* Add Qualcomm SCM compatible for IPQ4019
* Add MSM8998 to smd-rpm compatible list
* Add Qualcomm GENI based QUP wrapper
* Fix Qualcomm QMI buffer sizing bug
* tag 'qcom-drivers-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/agross/linux:
soc: qcom: smem: introduce qcom_smem_virt_to_phys()
soc: qcom: qmi: fix a buffer sizing bug
MAINTAINERS: Update pattern for qcom_scm
soc: Unconditionally include qcom Makefile
soc: qcom: smem: check sooner in qcom_smem_set_global_partition()
soc: qcom: smem: fix qcom_smem_set_global_partition()
soc: qcom: smem: fix off-by-one error in qcom_smem_alloc_private()
soc: qcom: smem: byte swap values properly
soc: qcom: smem: return proper type for cached entry functions
soc: qcom: smem: fix first cache entry calculation
soc: qcom: cmd-db: Make endian-agnostic
drivers: qcom: add command DB driver
soc: qcom: Add GENI based QUP Wrapper driver
soc: qcom: smd-rpm: Add msm8998 compatible
firmware: qcom: scm: Add ipq4019 soc compatible
Signed-off-by: Olof Johansson <olof@lixom.net>
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Create function qcom_smem_virt_to_phys(), which returns the physical
address corresponding to a given SMEM item's virtual address. This
feature is required for a driver that will soon be out for review.
Signed-off-by: Alex Elder <elder@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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This driver manages the Generic Interface (GENI) firmware based Qualcomm
Universal Peripheral (QUP) Wrapper. GENI based QUP is the next generation
programmable module composed of multiple Serial Engines (SE) and supports
a wide range of serial interfaces like UART, SPI, I2C, I3C, etc. This
driver also enables managing the serial interface independent aspects of
Serial Engines.
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
Signed-off-by: Sagar Dharia <sdharia@codeaurora.org>
Signed-off-by: Girish Mahadevan <girishm@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"This contains platform-related driver updates for ARM and ARM64.
Highlights:
- ARM SCMI (System Control & Management Interface) driver cleanups
- Hisilicon support for LPC bus w/ ACPI
- Reset driver updates for several platforms: Uniphier,
- Rockchip power domain bindings and hardware descriptions for
several SoCs.
- Tegra memory controller reset improvements"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (59 commits)
ARM: tegra: fix compile-testing PCI host driver
soc: rockchip: power-domain: add power domain support for px30
dt-bindings: power: add binding for px30 power domains
dt-bindings: power: add PX30 SoCs header for power-domain
soc: rockchip: power-domain: add power domain support for rk3228
dt-bindings: power: add binding for rk3228 power domains
dt-bindings: power: add RK3228 SoCs header for power-domain
soc: rockchip: power-domain: add power domain support for rk3128
dt-bindings: power: add binding for rk3128 power domains
dt-bindings: power: add RK3128 SoCs header for power-domain
soc: rockchip: power-domain: add power domain support for rk3036
dt-bindings: power: add binding for rk3036 power domains
dt-bindings: power: add RK3036 SoCs header for power-domain
dt-bindings: memory: tegra: Remove Tegra114 SATA and AFI reset definitions
memory: tegra: Remove Tegra114 SATA and AFI reset definitions
memory: tegra: Register SMMU after MC driver became ready
soc: mediatek: remove unneeded semicolon
soc: mediatek: add a fixed wait for SRAM stable
soc: mediatek: introduce a CAPS flag for scp_domain_data
soc: mediatek: reuse regmap_read_poll_timeout helpers
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into next/drivers
SCMI cleanups for v4.18
This contains all of the trivial review comments that were not
addressed as the series was already queued up for v4.17 and were not
critical to go as fixes.
They generally just improve code readability, fix kernel-docs, remove
unused/unnecessary code, follow standard function naming and simplifies
certain exit paths.
* tag 'scmi-updates-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scmi: simplify exit path by returning on error
firmware: arm_scmi: improve exit paths and code readability
firmware: arm_scmi: remove unnecessary bitmap_zero
firmware: arm_scmi: drop unused `con_priv` structure member
firmware: arm_scmi: rename scmi_xfer_{init,get,put}
firmware: arm_scmi: rename get_transition_latency and add_opps_to_device
firmware: arm_scmi: fix kernel-docs documentation
firmware: arm_scmi: improve code readability using bitfield accessor macros
Signed-off-by: Olof Johansson <olof@lixom.net>
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Most of the scmi code follows the suggestion from Greg KH on a totally
different thread[0] to have the subsystem name first, followed by the
noun and finally the verb with couple of these exceptions.
This patch fixes them so that all the functions names are aligned to
that practice.
[0] https://www.spinics.net/lists/arm-kernel/msg583673.html
Acked-by: Rafael J. Wysocki <rafael@kernel.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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There are few missing descriptions for function parameters and structure
members along with certain instances where excessive function parameters
or structure members are described.
This patch fixes all of those warnings.
Reported-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into next/drivers
- use timeout helpers for scpsys and infracfg drivers
- use of_device_get_match_data in pmic wrapper and scpsys
* tag 'v4.17-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux:
soc: mediatek: remove unneeded semicolon
soc: mediatek: add a fixed wait for SRAM stable
soc: mediatek: introduce a CAPS flag for scp_domain_data
soc: mediatek: reuse regmap_read_poll_timeout helpers
regmap: include <linux/ktime.h> from include/linux/regmap.h
soc: mediatek: reuse read[l,x]_poll_timeout helpers
soc: mediatek: use of_device_get_match_data()
Signed-off-by: Olof Johansson <olof@lixom.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone into next/drivers
ARM: SOC driver update for 4.18
- AEMIF driver update to support board files and remove
need of mach-davinci aemif code
- Use percpu counters for qmss datapath stats
- License update for TI SCI
* tag 'soc_drivers_for_4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ssantosh/linux-keystone:
firmware: ti_sci: Switch to SPDX Licensing
soc: ti: knav_qmss: Use percpu instead atomic for stats counter
memory: aemif: add support for board files
memory: aemif: don't rely on kbuild for driver's name
Signed-off-by: Olof Johansson <olof@lixom.net>
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Switch to SPDX licensing and drop the GPL text which comes redundant.
Acked-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
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Currently aemif is supported in two places separately. By the platform
driver in drivers/memory and by a hand crafted driver in mach-davinci.
We want to drop the latter but also keep the legacy mode. Add support
for board files to the aemif driver.
The new structure in platform data currently only contains the chip
select number, since currently existing users don't require anything
else, but it can be extended in the future.
While extending the platform data struct, add kernel docs describing
its members.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC platform updates from Olof Johansson:
"Here are the main updates for SoC support (besides DT additions) for
ARM 32- and 64-bit platforms. The branch also contains defconfig
updates to turn on drivers and options as needed on the various
platforms.
The largest parts of the delta are from cleanups moving platform data
and board file setup of TI platforms to ti-sysc bus drivers. There are
also some sweeping changes of eeprom and nand setup on Davinci, i.MX
and other platforms.
Samsung is removing support for Exynos5440, which was an oddball SoC
that hasn't been seen much use in designs.
Renesas is adding support for new SoCs (R-Car E3, RZ/G1C and RZ/N1D).
Linus Walleij is also removing support for ux500 (Sony Ericsson)
U8540/9540 SoCs that never made it to significant mass production and
products"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (133 commits)
MAINTAINERS: add NXP linux team maillist as i.MX reviewer
ARM: stm32: Don't select DMA unconditionally on STM32MP157C
arm64: defconfig: Enable PCIe on msm8996 and db820c
ARM: pxa3xx: enable external wakeup pins
ARM: pxa: stargate2: use device properties for at24 eeprom
arm64: defconfig: Enable HISILICON_LPC
arm64: defconfig: enable drivers for Poplar support
arm64: defconfig: Enable UFS on msm8996
ARM: berlin: switch to SPDX license identifier
arm: berlin: remove non-necessary flush_cache_all()
ARM: berlin: extend BG2CD Kconfig entry
OMAP: CLK: CLKSRC: Add suspend resume hooks
ARM: AM43XX: Add functions to save/restore am43xx control registers
ASoC: ams_delta: use GPIO lookup table
ARM: OMAP1: ams-delta: add GPIO lookup tables
bus: ti-sysc: Fix optional clocks array access
ARM: OMAP2+: Make sure LOGICRETSTATE bits are not cleared
ARM: OMAP2+: prm44xx: Inroduce cpu_pm notifiers for context save/restore
ARM: OMAP2+: prm44xx: Introduce context save/restore for am43 PRCM IO
ARM: OMAP2+: powerdomain: Introduce cpu_pm notifiers for context save/restore
...
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/soc
i.MX SoC update for 4.18:
- A series from Bartosz to convert all i.MX plaform code using
at24_platform_data to use at24 eeprom generic device properties.
- Enable pinctrl driver support for i.MX6SLL SoC.
- Clean up i.MX platform code using spi_imx platform data on outdated
documentation and chip select array usage.
* tag 'imx-soc-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx: select imx6sll pinctrl when imx6sll enabled
ARM: imx: pcm037: use device properties for at24 eeprom
ARM: imx: pca100: use device properties for at24 eeprom
ARM: imx: pcm043: use device properties for at24 eeprom
ARM: imx: vpr200: drop at24_platform_data
ARM: imx: Update spi_imx platform data to reflect current state
Signed-off-by: Olof Johansson <olof@lixom.net>
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The docs for the spi_imx platform data still refer to a -32 offset used to
specify a native chip select. This was removed in commit 602c8f4485cd
("spi: imx: fix use of native chip-selects with devicetree") and no
longer works as documented. Update documentation.
The macro MXC_SPI_CS() is no longer is needed.
If a board uses all native chip selects, then it's not necessary to
specify a chip select array at all, as all native is the default (this is
how device-tree configured SPI masters work too). Most of the spi-imx
platform data users have their chip select arrays removed by this patch.
This patch also fixes a bug in mx31moboard introduced in the '602 commit.
When that board was updated in commit 901f26bce64a ("ARM: imx: set
correct chip_select in platform setup") to reflect the SPI change, only
SPI bus 2 was updated and SPI bus 1 was left with non-sequential chip
selects. The mc13783 spi device on bus 1 had its chip select updated as
if it were on bus 2.
CC: Sascha Hauer <kernel@pengutronix.de>
CC: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Greg Ungerer <gerg@linux-m68k.org>
Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Trent Piepho <tpiepho@impinj.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc
DaVinci SoC support updates for v4.18
Mainly contains patches to move NAND chipselect to platform data
(currently platform device id is being used). These patches have
been acked by NAND maintainer and because of the driver dependency
an immutable branch has been provided to Boris.
The other patch is to remove an unnecessary postcore_initcall() on
DM644x which is needed for common clock framework conversion.
* tag 'davinci-for-v4.18/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci: dm644x: remove unnecessary postcore_initcall()
ARM: davinci: aemif: stop using pdev->id as nand chipselect
mtd: rawnand: davinci: stop using pdev->id as chipselect
ARM: davinci: neuros-osd2: specify the chipselect in davinci_nand_pdata
ARM: davinci: dm646x-evm: specify the chipselect in davinci_nand_pdata
ARM: davinci: mityomapl138: specify the chipselect in davinci_nand_pdata
ARM: davinci: dm644x-evm: specify the chipselect in davinci_nand_pdata
ARM: davinci: dm365-evm: specify the chipselect in davinci_nand_pdata
ARM: davinci: dm355-leopard: specify the chipselect in davinci_nand_pdata
ARM: davinci: dm355-evm: specify the chipselect in davinci_nand_pdata
ARM: davinci: da850-evm: specify the chipselect in davinci_nand_pdata
ARM: davinci: da830-evm: specify the chipselect in davinci_nand_pdata
mtd: rawnand: davinci: store the core chipselect number in platform data
Signed-off-by: Olof Johansson <olof@lixom.net>
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We have the 'ti,davinci-chipselect' property in the device tree, but
when using platform data the driver silently uses the id field of
struct platform_device as the chipselect. This is confusing and we
almost broke the nand support again recently after converting the
platform to common clock framework (which changed the device id in the
clock lookup - the problem is gone now that we no longer acquire the
clock in the nand driver.
This patch adds a new field - core_chipsel - to the platform_data.
Subsequent patches will convert the platforms to using this new field.
Acked-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc
ti-sysc driver related changes for omap variants
This series improves the ti-sysc interconnect target module driver to
the point where a most of SoC can be booted with interconnect target
module data configured in device tree instead of legacy platform data.
The related device tree changes need some more work though, and can
wait for v4.19. Also some drivers using nested interconnects like DSS
need more work.
We can now remove the unused pm-noop code that is not doing anything
any longer. And we can now initialize things for PM and display pdata
later to prepare things for using ti-sysc driver.
We also need to add some more quirk handling so we can boot both with
platform data and dts data.
* tag 'omap-for-v4.18/ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
bus: ti-sysc: Show module information for suspend if DEBUG is enabled
bus: ti-sysc: Tag sdio and wdt with legacy mode for suspend
bus: ti-sysc: Detect UARTs for SYSC_QUIRK_LEGACY_IDLE quirk on omap4
bus: ti-sysc: Detect omap4 type timers for quirk
bus: ti-sysc: Add initial support for external resets
bus: ti-sysc: Improve suspend and resume handling
bus: ti-sysc: Tag some modules resource providers for noirq suspend
bus: ti-sysc: Add handling for clkctrl opt clocks
bus: ti-sysc: Make child clock alias handling more generic
bus: ti-sysc: Handle simple-bus for nested children
ARM: OMAP2+: Make display related init into device_initcall
ARM: OMAP2+: Initialize SoC PM later
ARM: OMAP2+: Only probe SDMA via ti-sysc if configured in dts
ARM: OMAP2+: Use signed value for sysc register offsets
ARM: OMAP2+: Allow using ti-sysc for system timers
ARM: OMAP2+: Drop unused pm-noop
Signed-off-by: Olof Johansson <olof@lixom.net>
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Modules that provide resources for other modules need to be suspended
and resumed in the noirq calls. Tag the resource providing modules.
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Looks like these functions don't do anything in the mainline kernel so
we can just drop it.
Note that we must now also remove ir-rx51 pdata as it relies on the dummy
platform data that does not do anything. And ir-rx51 is calling a pdata
callback that doesn't do anything without checking if it exists first.
For configuring device specific minimal latencies, the interface to use
is pm_qos_add_request(). For an example, see what was done in commit
9834ffd1ecc3 ("ASoC: omap-mcbsp: Add PM QoS support for McBSP to prevent
glitches"). I've added some comments to ir-rx51 so people using it can
add pm_qos support and test it.
Cc: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
Cc: Kevin Hilman <khilman@kernel.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Pull rpmsg updates from Bjorn Andersson:
"This migrates rpmsg to use SPDX license headers and fixes a
use-after-free in SMD"
* tag 'rpmsg-v4.18' of git://github.com/andersson/remoteproc:
rpmsg: smd: do not use mananged resources for endpoints and channels
rpmsg: char: Switch to SPDX license identifier
rpmsg: glink: Switch to SPDX license identifier
rpmsg: smd: Switch to SPDX license identifier
rpmsg: virtio_rpmsg_bus: Switch to SPDX license identifier
rpmsg: Switch to SPDX license identifier
rpmsg: qcom_smd: Access APCS through mailbox framework
rpmsg: Add driver_override device attribute for rpmsg_device
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Use the appropriate SPDX license identifier in various rpmsg
glink driver source files and drop the previous boilerplate
license text.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Use the appropriate SPDX license identifier in the rpmsg core
source files and drop the previous boilerplate license text.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Pull remoteproc updates from Bjorn Andersson:
"This brings a few minor fixes to the Davinci driver, drops a orphan
include file from the StE cleanup done ealier and introduces support
for booting the modem on Qualcomm's SDM845 platform"
* tag 'rproc-v4.18' of git://github.com/andersson/remoteproc:
remoteproc: q6v5: Allow defining GLINK edge for mss remoteproc
remoteproc: q6v5: Add support for mss remoteproc on SDM845
remoteproc: q6v5: Introduce reset assert/deassert helper functions
dt-bindings: remoteproc: Add Q6v5 Modem PIL binding for SDM845
remoteproc: q6v5: Move proxy unvote to handover irq handler
remoteproc: q6v5: Return irq from q6v5_request_irq()
remoteproc/ste: remove abandoned include file
remoteproc/davinci: use octal permissions for module_param()
remoteproc/davinci: prepare and unprepare the clock where needed
remoteproc/davinci: add the missing retval check for clk_enable()
remoteproc: Remove depends on HAS_DMA in case of platform dependency
remoteproc: Prevent incorrect rproc state on xfer mem ownership failure
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STE modem driver has been removed in 2016. This include has no
users since then.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Cc: Jean Delvare <jdelvare@suse.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Suman Anna <s-anna@ti.com>
Acked-by: Jean Delvare <jdelvare@suse.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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Pull hwspinlock updates from Bjorn Andersson:
"In addition to migrating the files to use SPDX license headers this
introduces the ability for clients to operate a hwlock without the
framework taking any additional locks"
* tag 'hwlock-v4.18' of git://github.com/andersson/remoteproc:
hwspinlock/u8500: Switch to SPDX license identifier
hwspinlock: sprd: Switch to SPDX license identifier
hwspinlock/sirf: Switch to SPDX license identifier
hwspinlock: qcom: Switch to SPDX license identifier
hwspinlock/omap: Switch to SPDX license identifier
hwspinlock/core: Switch to SPDX license identifier
hwspinlock: Introduce one new mode for hwspinlock
hwspinlock: Convert to use 'switch' statement
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Use the appropriate SPDX license identifier in the Hwspinlock core
driver source files and drop the previous boilerplate license text.
Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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In some scenarios, user need do some time-consuming or sleepable
operations under the hardware spinlock protection for synchronization
between the multiple subsystems.
For example, there is one PMIC efuse on Spreadtrum platform, which
need to be accessed under one hardware lock. But during the hardware
lock protection, the efuse operation is time-consuming to almost 5 ms,
so we can not disable the interrupts or preemption so long in this case.
Thus we can introduce one new mode to indicate that we just acquire the
hardware lock and do not disable interrupts or preemption, meanwhile we
should force user to protect the hardware lock with mutex or spinlock to
avoid dead-lock.
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this round, we've mainly focused on discard, aka unmap, control
along with fstrim for Android-specific usage model. In addition, we've
fixed writepage flow which returned EAGAIN previously resulting in EIO
of fsync(2) due to mapping's error state. In order to avoid old MM bug
[1], we decided not to use __GFP_ZERO for the mapping for node and
meta page caches. As always, we've cleaned up many places for future
fsverity and symbol conflicts.
Enhancements:
- do discard/fstrim in lower priority considering fs utilization
- split large discard commands into smaller ones for better responsiveness
- add more sanity checks to address syzbot reports
- add a mount option, fsync_mode=nobarrier, which can reduce # of cache flushes
- clean up symbol namespace with modified function names
- be strict on block allocation and IO control in corner cases
Bug fixes:
- don't use __GFP_ZERO for mappings
- fix error reports in writepage to avoid fsync() failure
- avoid selinux denial on CAP_RESOURCE on resgid/resuid
- fix some subtle race conditions in GC/atomic writes/shutdown
- fix overflow bugs in sanity_check_raw_super
- fix missing bits on get_flags
Clean-ups:
- prepare the generic flow for future fsverity integration
- fix some broken coding standard"
[1] https://lkml.org/lkml/2018/4/8/661
* tag 'f2fs-for-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (79 commits)
f2fs: fix to clear FI_VOLATILE_FILE correctly
f2fs: let sync node IO interrupt async one
f2fs: don't change wbc->sync_mode
f2fs: fix to update mtime correctly
fs: f2fs: insert space around that ':' and ', '
fs: f2fs: add missing blank lines after declarations
fs: f2fs: changed variable type of offset "unsigned" to "loff_t"
f2fs: clean up symbol namespace
f2fs: make set_de_type() static
f2fs: make __f2fs_write_data_pages() static
f2fs: fix to avoid accessing cross the boundary
f2fs: fix to let caller retry allocating block address
disable loading f2fs module on PAGE_SIZE > 4KB
f2fs: fix error path of move_data_page
f2fs: don't drop dentry pages after fs shutdown
f2fs: fix to avoid race during access gc_thread pointer
f2fs: clean up with clear_radix_tree_dirty_tag
f2fs: fix to don't trigger writeback during recovery
f2fs: clear discard_wake earlier
f2fs: let discard thread wait a little longer if dev is busy
...
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Currently, fscrypt provides fscrypt_decrypt_bio_pages() which decrypts a
bio's pages asynchronously, then unlocks them afterwards. But, this
assumes that decryption is the last "postprocessing step" for the bio,
so it's incompatible with additional postprocessing steps such as
authenticity verification after decryption.
Therefore, rename the existing fscrypt_decrypt_bio_pages() to
fscrypt_enqueue_decrypt_bio(). Then, add fscrypt_decrypt_bio() which
decrypts the pages in the bio synchronously without unlocking the pages,
nor setting them Uptodate; and add fscrypt_enqueue_decrypt_work(), which
enqueues work on the fscrypt_read_workqueue. The new functions will be
used by filesystems that support both fscrypt and fs-verity.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Core Frameworks
- Provide helpers to enable/disable backlight
- Provide standard and devres versions OF find helpers
New Drivers:
- Add support for the Zodiac Inflight Innovations RAVE Supervisory
Processor
New Functionality:
- Allow pwm-on/pwm-off delay to be specified via DT
Bug Fixes:
- Fix ordering of the power {en,dis}able and PWM {en,dis}able
signals
- Fix Device Tree node look-up"
* tag 'backlight-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: as3711_bl: Fix Device Tree node leaks
backlight: tps65217_bl: Fix Device Tree node lookup
backlight: max8925_bl: Fix Device Tree node lookup
backlight: as3711_bl: Fix Device Tree node lookup
MAINTAINERS: Add dri-devel for backlight subsystem patches
backlight: Nuke BL_CORE_DRIVER1
staging: fbtft: Stop using BL_CORE_DRIVER1
backlight: pandora: Stop using BL_CORE_DRIVER1
backlight: generic-bl: Remove DRIVER1 state
backlight: Nuke unused backlight.props.state states
backlight: otm3225a: Add support for ORISE OTM3225A LCD SoC
backlight: pwm_bl: Don't use GPIOF_* with gpiod_get_direction
pwm-backlight: Add support for PWM delays proprieties.
dt-bindings: pwm-backlight: Add PWM delay proprieties.
pwm-backlight: Enable/disable the PWM before/after LCD enable toggle.
dt-bindings: backlight: Add binding for RAVE SP backlight driver
backlight: Add RAVE SP backlight driver
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Two framebuffer device-node names were looked up during probe, but were
only used as flags to indicate the presence of two framebuffer device.
Drop the unused framebuffer name along with a likewise unused device
pointer from the driver data, and update the platform data to pass in
booleans instead of the framebuffer strings. This allows us do drop the
node references acquired during probe, which would otherwise leak.
Note that there are no other in-kernel users of the modified
platform-data fields.
Fixes: 59eb2b5e57ea ("drivers/video/backlight/as3711_bl.c: add OF support")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Now that the 3 drivers using this are cleaned up we can also remove
this final bit of confusion of leaking driver internals into the
backlight power interface.
The backlight power interface itself is still a massive mess.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The backlight power state handling is supremely confusing. We have:
- props.power, using FB_BLANK_* defines
- props.fb_blank, using the same, but deprecated int favour of
props.state
- props.state, using the BL_CORE_* defines
- and finally a bunch of backlight drivers treat brightness == 0 as
off. But of course not all of them.
This is way too much confusion to fix in a simple patch, but at least
prevent more hilarity from spreading by removing the unused BL_CORE_*
defines. I have no idea why exactly anyone would need that.
Wrt the ideal state, we really just want a boolean state. The 4 power
saving states that the fbdev subsystem uses are overkill in todays hw
(this was only relevant for VGA and similar analog circuits like
TV-out), the new drm atomic modeset api simplified even the uapi to a
simple bool. And there was never a valid technical reason to have the
intermediate fbdev power states for backlights (those really only can
be either off or on).
Cleanup motivated by Meghana's questions about all this.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Some panels (i.e. N116BGE-L41), in their power sequence specifications,
request a delay between set the PWM signal and enable the backlight and
between clear the PWM signal and disable the backlight. Add support for
the new post-pwm-on-delay-ms and pwm-off-delay-ms proprieties to meet
the timings.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Acked-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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This driver provides access to RAVE SP backlight control
functionality.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Device Support:
- Add support for AXP813 ADC to AXP20x
- Add support for PM8005, PM8998 and PMI8998
New Functionality:
- Add support for Battery Power Supply to AXP813
- Add support for SYSCON to SPARD SC27XX SPI
- Add support for RTC to ChromeOS Embedded-Controller
Fix-ups:
- Remove unused code; exynos{4,5}-pmu, cros_ec, cros_ec_acpi_gpe
- Remove duplicate error messages (-ENOMEM, etc); htc-i2cpld,
janz-cmodio, max8997, rc5t583, sm501, smsc-ece1099, abx500-core,
si476x-i2c, ti_am335x_tscadc, tps65090, tps6586x, tps65910,
tps80031, twl6030-irq, viperboard
- Succinctly use ptr to struct in sizeof(); rc5t583, abx500-core,
sm501, smsc-ece1099
- Simplify syntax for NULL ptr checking; abx500-core, sm501
- No not unnecessarily initialise variables; tps65910, tps65910
- Reorganise and simplify driver data; omap-usb-tll
- Move to SPDX license statement; tps68470
- Probe ADCs via DT; axp20x
- Use new GPIOD API; arizona-core
- Constify things; axp20x
- Reduce code-size (use MACROS, etc); axp20x, omap-usb-host
- Add DT support/docs; motorola-cpcap
- Remove VLAs; rave-sp
- Use devm_* managed resources; cros_ec
- Interrogate HW for firmware version; rave-sp
- Provide ACPI support for ChromeOS Embedded-Controller
Bug Fixes:
- Reorder ordered (enum) device list; tps65218
- Only accept valid data from the offset; rave-sp
- Refrain from copying junk from failed SPI read; cros_ec_dev
- Fix potential memory leaks; pcf50633-core
- Fix clock initialisation; twl-core
- Fix build-issue; tps65911
- Fix off-by-one error; tps65911
- Fix code ordering issues; intel-lpss
- Fix COMPILE_TEST related issues; pwm-stm32
- Fix broken MMC card detection; asic3
- Fix clocking related issues; intel-lpss-pci"
* tag 'mfd-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (84 commits)
mfd: cros_ec: Remove unused __remove function
mfd: wm97xx-core: Platform data can be NULL
mfd: cros_ec_dev: Don't advertise junk features on failure
mfd: cros_ec: Use devm_kzalloc for private data
mfd: intel-lpss: Fix Intel Cannon Lake LPSS I2C input clock
mfd: asic3: Fix broken MMC card detection
mfd: timberdale: Fix spelling mistake "Uknown" -> "Unknown"
mfd: omap-usb-host: Use match_string() helper
mfd: stm32-timers: Fix pwm-stm32 linker issue with COMPILE_TEST
pwm: stm32: Initialize raw local variables
mfd: arizona: Update DT doc to support more standard Reset binding
dt-bindings: mfd: Add bindings for DA9063L
mfd: intel-lpss: Correct names of RESETS register bits
mfd: qcom-spmi-pmic: Add support for pm8005, pm8998 and pmi8998
mfd: intel-lpss: Program REMAP register in PIO mode
mfd: cros_ec_i2c: Moving the system sleep pm ops to late
mfd: cros_ec_i2c: Add ACPI module device table
mfd: cros_ec_dev: Register shutdown function for debugfs
mfd: cros_ec_dev: Register cros-ec-rtc driver as a subdevice
mfd: cros_ec: Don't try to grab log when suspended
...
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This is seen when COMPILE_TEST=y and MFD_STM32_TIMERS=n.
drivers/pwm/pwm-stm32.o: In function 'stm32_pwm_raw_capture':
pwm-stm32.c:... undefined reference to 'stm32_timers_dma_burst_read'
Fixes: 0c6609805b63 ("mfd: stm32-timers: Add support for DMAs")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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We should stop our worker thread while we're suspended. If we don't
then we'll get messages like:
cros-ec-spi spi5.0: spi transfer failed: -108
cros-ec-spi spi5.0: cs-deassert spi transfer failed: -108
cros-ec-ctl cros-ec-ctl.0.auto: EC communication failed
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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When AXP806 support was added, POK was incorrectly expanded to PWROK.
However, the datasheet lists them as POK[LSNP], which is the same as
on the AXP288. Furthermore, the registers associated with POK functions
are the same as the PEK on the other AXP PMICs. This suggests that
"POK" means "Power On Key", much like "PEK" means "Power Enable Key",
instead of "Power OK".
This patch changes the "PWROK" prefix to "POK" for these interrupts.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The axp20x driver has lots of mfd_cell and resource structs.
These can all be const-ified.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Now GPIOD has support for both pdata systems and for non-standard DT
bindings the Arizona reset GPIO can be converted to use it. Worth
noting gpiod_set_raw_value_cansleep is used to match the behaviour
of the old GPIOs. This is because the part is fairly widely used and
it is unknown how many DTs are correctly setting active low through
device tree, so to avoid breaking any existing users it is best to
match the previous behaviour.
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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This reverts commit e04653a9dcf4d98defe2149c885382e5cc72082f.
It is no longer needed to install Chrome EC GPE handler to have
GPE enabled in suspend to idle path. It is found that with this
handler installed, EC wake up doesn't work because default EC
event handler that can wake up system is not getting called.
Signed-off-by: Wenkai Du <wenkai.du@intel.com>
Acked-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Remove the GPL v2 license boilerplate and update with
the SPDX license identifier.
Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Commit 2dc4940360d4 ("regulator: tps65218: Remove all the compatibles")
changes the probe function of drivers/regulator/tps65218-regulator.c so
that it iterates through all available regulators and assumes that the
regulator IDs are sequential and match the order present in the enum
tps65218_regulator_id. However, for some reason the much older commit
c0ea88b890d6 ("regulator: tps65218: add support for LS3 current
regulator") updated all arrays with LS3 at the end but added it second
to last for the enum.
Because of this long standing mismatch in order between the
tps65218_regulator_id enum and the regulator_desc array in the tps65218
regulator driver, the new probe function causes the strobe values to be
associated with the wrong regulator ID. This causes LDO1 to fail to
suspend in tps65218_pmic_set_suspend_disable due to not having anything
probes for its strobe value. Fix the order in the enum so the probe
function works as the update intended.
Fixes: 2dc4940360d4 ("regulator: tps65218: Remove all the compatibles")
Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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