Create a new function qcom_smem_partition_header() to encapsulate
validating locating a partition header and validating information
found within it. This will be built up over a few commits to make
it more obvious how the common function is replacing duplicated code
elsewhere. Initially it just verifies the header has the right
magic number.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
In qcom_smem_enumerate_partitions(), we find all partitions that
have a given local host id in either its host0 or its host1 field
in the partition table entry. We then verify that the header
structure at the start of each partition also contains the same two
host ids as is found in the table of contents.
There is no requirement that the order of the two host ids be the
same in the table of contents and in the partition header.
This patch changes that, requiring host0 to in the partition table
entry to equal host0 in the partition header structure (and similar
for the host1 values).
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
The global partition is indicated by having both host values in its
table of contents entry equal SMEM_GLOBAL_HOST=0xfffe.
In qcom_smem_set_global_partition(), we check whether the header
structure at the beginning of the partition contains that host
value, but the check only verifies *one* of them. Change the check
so the partition header must have SMEM_GLOBAL_HOST for *both* its
host fields.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Combine the code that checks whether a partition table entry is
associated with the local host with the assignment of the remote
host id value.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
In qcom_smem_enumerate_partitions(), any partition table entry
having a zero offset or size field is ignored. Move those checks
earlier in the loop, because there's no sense in examining the
host fields for those entries.
Add the same checks in qcom_smem_set_global_partition(), so the
scan for the global partition skips over these invalid entries.
This allows a later check for zero size or offset once the global
entry is found to be eliminated.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Hold off initializing anything for the array entry representing a
memory region in qcom_smem_map_memory() until we know we've
successfully mapped it.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Rename the variable "area" to be "region" in qcom_smem_get_global(),
so its name better matches its type.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
The wait_for_compl register ensures the request sequence is maintained
when sending requests from the TCS. Clear the register after sending
active request and during invalidate of the sleep and wake TCS.
Reported-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
The scm device must be present in order for the rmtfs driver to
configure memory permissions for the rmtfs memory region, so check that
it is probed before continuing.
Cc: stable@vger.kernel.org
Fixes: fa65f80451 ("soc: qcom: rmtfs-mem: Add support for assigning memory to remote")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Check for SCM availability before attempting to use SPM. SPM probe will
fail otherwise.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: John Crispin <john@phrozen.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Since commit cab673583d ("soc: Unconditionally include qcom Makefile"),
we unconditionally include the soc/qcom/Makefile.
This opens up the possibility to compile test the code even when building
for other architectures.
Allow COMPILE_TEST for all qcom SoC Kconfigs, except for two Kconfigs
that depend on QCOM_SCM, since that triggers lots of build errors in
qcom_scm.
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
'adev->name' is used as a NUL-terminated string, but using strncpy() with the
length equal to the buffer size may result in lack of the termination:
In function 'apr_add_device',
inlined from 'of_register_apr_devices' at drivers//soc/qcom/apr.c:264:7,
inlined from 'apr_probe' at drivers//soc/qcom/apr.c:290:2:
drivers//soc/qcom/apr.c:222:3: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation]
strncpy(adev->name, np->name, APR_NAME_SIZE);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This changes it to use the safer strscpy() instead.
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
'chinfo.name' is used as a NUL-terminated string, but using strncpy() with
the length equal to the buffer size may result in lack of the termination:
drivers//soc/qcom/wcnss_ctrl.c: In function 'qcom_wcnss_open_channel':
drivers//soc/qcom/wcnss_ctrl.c:284:2: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation]
strncpy(chinfo.name, name, sizeof(chinfo.name));
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This changes it to use the safer strscpy() instead.
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
QCOM_RPHM already selects ARM64, which always selects OF.
Additionally, the rpmh driver only uses linux/of.h, which has dummy
definitions for all functions, in order for code to to be able to
build without CONFIG_OF set.
Remove the superfluous depends on OF.
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Since we are using irq_domain_add_linear(), add a select on IRQ_DOMAIN.
This is needed in order to be able to remove the depends on ARCH_QCOM.
drivers/soc/qcom/smsm.c: In function ‘smsm_inbound_entry’:
drivers/soc/qcom/smsm.c:411:18: error: implicit declaration of function
‘irq_domain_add_linear’
entry->domain = irq_domain_add_linear(node, 32, &smsm_irq_ops, entry);
^~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Since we are using irq_domain_add_linear(), add a select on IRQ_DOMAIN.
This is needed in order to be able to remove the depends on ARCH_QCOM.
drivers/soc/qcom/smp2p.c: In function ‘qcom_smp2p_inbound_entry’:
drivers/soc/qcom/smp2p.c:317:18: error: implicit declaration of function
‘irq_domain_add_linear’
entry->domain = irq_domain_add_linear(node, 32, &smp2p_irq_ops, entry);
^~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Trivial fix to spelling mistake in dev_err message text
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
The geni_se_clk_freq_match() has some strange semantics. Specifically
it is defined with two modes:
1. It can find a clock that's an exact multiple of the requested rate
2. It can find a non-exact match but it can't handle multiples then
...but callers should always be able to handle a clock that is a
multiple of the requested clock so mode #2 doesn't really make sense.
Let's change the semantics so that the non-exact match can also accept
multiples and then change the code to handle that.
The only caller of this code is the unlanded SPI driver [1] which
currently passes "exact = True", thus it should be safe to change the
semantics in this way. ...and, in fact, the SPI driver should likely
be modified to pass "exact = False" (with the new semantics) since
that will allow it to work with SPI devices that request a clock rate
that doesn't exactly match a rate we can make.
[1] https://lkml.kernel.org/r/1535107336-2214-1-git-send-email-dkota@codeaurora.org
Fixes: eddac5af06 ("soc: qcom: Add GENI based QUP Wrapper driver")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
The function clk_round_rate() is defined to return a "long", not an
"unsigned long". That's because it might return a negative error
code. Change the call in geni_se_clk_tbl_get() to check for errors.
While we're at it, get rid of a useless init of "freq".
NOTE: overall the idea that we should iterate over clk_round_rate() to
try to reconstruct a table already present in the clock driver is
questionable. Specifically:
- This method relies on "clk_round_rate()" rounding up.
- This method only works if the table is sorted and has no duplicates.
...this patch doesn't try to fix those problems, it just makes the
error handling more correct.
Fixes: eddac5af06 ("soc: qcom: Add GENI based QUP Wrapper driver")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Cache error reporting controller detects and reports single and
double bit errors on Last Level Cache Controller (LLCC) cache.
Add required support to register LLCC EDAC driver as platform driver,
from LLCC driver.
Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Currently, broadcast base is set to end of the LLCC banks, which may
not be correct always. As the number of banks may vary for each chipset
and the broadcast base could be at a different address as well. This info
depends on the chipset, so get the broadcast base info from the device
tree (DT). Add broadcast base in LLCC driver and use this for broadcast
writes.
Signed-off-by: Venkata Narendra Kumar Gutta <vnkgutta@codeaurora.org>
Reviewed-by: Evan Green <evgreen@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Business as usual -- the bulk of our changes are to devicetree files
with new hardware support, new SoCs and platforms, and new board types.
New SoCs/platforms:
- Raspberry Pi Compute Module (CM1) and IO board
- i.MX6SSL from NXP
- Renesas RZ/N1D SoC (R9A06G032), Dual Cortex-A7 with Ethernet, CAN and
PLC interfaces
- TI AM654 SoC, Quad Cortex-A53, safety subsystem with Cortex-R5
controllers, communication and PRU subsystem and lots of other
interfaces (PCIe, USB3, etc).
New boards and systems:
- Several Atmel at91-based boards from Laird
- Marvell Armada388-based Helios4 board from SolidRun
- Samsung Aires-based phones (s5pv210)
- Allwinner A64-based Pinebook laptop
In addition to the above, there's the usual amount of new devices
described on existing platforms, fixes and tweaks and new minor variants
of boards/platforms.
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM device-tree updates from Olof Johansson:
"Business as usual -- the bulk of our changes are to devicetree files
with new hardware support, new SoCs and platforms, and new board
types.
New SoCs/platforms:
- Raspberry Pi Compute Module (CM1) and IO board
- i.MX6SSL from NXP
- Renesas RZ/N1D SoC (R9A06G032), Dual Cortex-A7 with Ethernet, CAN
and PLC interfaces
- TI AM654 SoC, Quad Cortex-A53, safety subsystem with Cortex-R5
controllers, communication and PRU subsystem and lots of other
interfaces (PCIe, USB3, etc).
New boards and systems:
- Several Atmel at91-based boards from Laird
- Marvell Armada388-based Helios4 board from SolidRun
- Samsung Aires-based phones (s5pv210)
- Allwinner A64-based Pinebook laptop
In addition to the above, there's the usual amount of new devices
described on existing platforms, fixes and tweaks and new minor
variants of boards/platforms"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (478 commits)
arm64: dts: sdm845: Add tsens nodes
arm64: dts: msm8996: thermal: Initialise via DT and add second controller
arm64: dts: sprd: Add one suspend timer
arm64: dts: sprd: Add SC27XX ADC device
arm64: dts: sprd: Add SC27XX eFuse device
arm64: dts: sprd: Add SC27XX vibrator device
arm64: dts: sprd: Add SC27XX breathing light controller device
arm64: dts: meson-axg: add spdif-dit codec
arm64: dts: meson-axg: add lineout codec
arm64: dts: meson-axg: add linein codec
arm64: dts: meson-axg: add tdm interfaces
arm64: dts: meson-axg: add tdmout formatters
arm64: dts: meson-axg: add tdmin formatters
arm64: dts: meson-axg: add spdifout
arm64: dts: rockchip: add led support for Firefly-RK3399
arm64: dts: rockchip: remove deprecated Type-C PHY properties on rk3399
arm64: dts: rockchip: add power button support for Firefly-RK3399
ARM: dts: aspeed: Add coprocessor interrupt controller
arm64: dts: meson-axg: add audio arb reset controller
arm64: dts: meson-axg: add usb power regulator
...
Some of the larger changes this merge window:
- Removal of drivers for Exynos5440, a Samsung SoC that never saw
widespread use.
- Uniphier support for USB3 and SPI reset handling
- Syste control and SRAM drivers and bindings for Allwinner platforms
- Qualcomm AOSS (Always-on subsystem) reset controller drivers
- Raspberry Pi hwmon driver for voltage
- Mediatek pwrap (pmic) support for MT6797 SoC
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC driver updates from Olof Johansson:
"Some of the larger changes this merge window:
- Removal of drivers for Exynos5440, a Samsung SoC that never saw
widespread use.
- Uniphier support for USB3 and SPI reset handling
- Syste control and SRAM drivers and bindings for Allwinner platforms
- Qualcomm AOSS (Always-on subsystem) reset controller drivers
- Raspberry Pi hwmon driver for voltage
- Mediatek pwrap (pmic) support for MT6797 SoC"
* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (52 commits)
drivers/firmware: psci_checker: stash and use topology_core_cpumask for hotplug tests
soc: fsl: cleanup Kconfig menu
soc: fsl: dpio: Convert DPIO documentation to .rst
staging: fsl-mc: Remove remaining files
staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl
staging: fsl-dpaa2: eth: move generic FD defines to DPIO
soc: fsl: qe: gpio: Add qe_gpio_set_multiple
usb: host: exynos: Remove support for Exynos5440
clk: samsung: Remove support for Exynos5440
soc: sunxi: Add the A13, A23 and H3 system control compatibles
reset: uniphier: add reset control support for SPI
cpufreq: exynos: Remove support for Exynos5440
ata: ahci-platform: Remove support for Exynos5440
soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata
soc: mediatek: pwrap: add mt6351 driver for mt6797 SoCs
soc: mediatek: pwrap: add pwrap driver for mt6797 SoCs
soc: mediatek: pwrap: fix cipher init setting error
dt-bindings: pwrap: mediatek: add pwrap support for MT6797
reset: uniphier: add USB3 core reset control
dt-bindings: reset: uniphier: add USB3 core reset support
...
Most of the SoC updates in this cycle are cleanups and moves to more
modern infrastructure:
- Davinci was moved to common clock framework
- OMAP1-based Amstrad E3 "Superphone" saw a bunch of cleanups to the
keyboard interface (bitbanged AT keyboard via GPIO).
- Removal of some stale code for Renesas platforms
- Power management improvements for i.MX6LL
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM 32-bit SoC platform updates from Olof Johansson:
"Most of the SoC updates in this cycle are cleanups and moves to more
modern infrastructure:
- Davinci was moved to common clock framework
- OMAP1-based Amstrad E3 "Superphone" saw a bunch of cleanups to the
keyboard interface (bitbanged AT keyboard via GPIO).
- Removal of some stale code for Renesas platforms
- Power management improvements for i.MX6LL"
* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (112 commits)
ARM: uniphier: select RESET_CONTROLLER
arm64: uniphier: select RESET_CONTROLLER
ARM: uniphier: remove empty Makefile
ARM: exynos: Clear global variable on init error path
ARM: exynos: Remove outdated maintainer information
ARM: shmobile: Always enable ARCH_TIMER on SoCs with A7 and/or A15
ARM: shmobile: r8a7779: hide unused r8a7779_platform_cpu_kill
soc: r9a06g032: don't build SMP files for non-SMP config
ARM: shmobile: Add the R9A06G032 SMP enabler driver
ARM: at91: pm: configure wakeup sources for ULP1 mode
ARM: at91: pm: add PMC fast startup registers defines
ARM: at91: pm: Add ULP1 mode support
ARM: at91: pm: Use ULP0 naming instead of slow clock
ARM: hisi: handle of_iomap and fix missing of_node_put
ARM: hisi: check of_iomap and fix missing of_node_put
ARM: hisi: fix error handling and missing of_node_put
ARM: mx5: Set the DBGEN bit in ARM_GPC register
ARM: imx51: Configure M4IF to avoid visual artifacts
ARM: imx: call imx6sx_cpuidle_init() conditionally for 6sll
ARM: imx: fix i.MX6SLL build
...
This adds support for pre-start and post-shutdown hooks for remoteproc
subdevices, refactors the Qualcomm Hexagon support to allow reuse
between several drivers, makes authentication in the MDT file loader
optional, migrates a few format strings to use %pK and migrates the
Davinci driver to use the reset framework.
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Merge tag 'rproc-v4.19' of git://github.com/andersson/remoteproc
Pull remoteproc updates from Bjorn Andersson:
"This adds support for pre-start and post-shutdown hooks for remoteproc
subdevices, refactors the Qualcomm Hexagon support to allow reuse
between several drivers, makes authentication in the MDT file loader
optional, migrates a few format strings to use %pK and migrates the
Davinci driver to use the reset framework"
* tag 'rproc-v4.19' of git://github.com/andersson/remoteproc:
remoteproc/davinci: use the reset framework
remoteproc/davinci: Mark error recovery as disabled
remoteproc: st_slim: replace "%p" with "%pK"
remoteproc: replace "%p" with "%pK"
remoteproc: qcom: fix Q6V5_WCSS dependencies
remoteproc: Reset table_ptr in rproc_start() failure paths
remoteproc: qcom: q6v5-pil: fix modem hang on SDM845 after axis2 clk unvote
remoteproc: qcom q6v5: fix modular build
remoteproc: Introduce prepare and unprepare for subdevices
remoteproc: rename subdev probe and remove functions
remoteproc: Make client initialize ops in rproc_subdev
remoteproc: Make start and stop in subdev optional
remoteproc: Rename subdev functions to start/stop
remoteproc: qcom: Introduce Hexagon V5 based WCSS driver
remoteproc: qcom: q6v5-pil: Use common q6v5 helpers
remoteproc: qcom: adsp: Use common q6v5 helpers
remoteproc: q6v5: Extract common resource handling
remoteproc: qcom: mdt_loader: Make the firmware authentication optional
- Add a new framework for CPU idle time injection (Daniel Lezcano).
- Add AVS support to the armada-37xx cpufreq driver (Gregory CLEMENT).
- Add support for current CPU frequency reporting to the ACPI CPPC
cpufreq driver (George Cherian).
- Rework the cooling device registration in the imx6q/thermal
driver (Bastian Stender).
- Make the pcc-cpufreq driver refuse to work with dynamic
scaling governors on systems with many CPUs to avoid
scalability issues with it (Rafael Wysocki).
- Fix the intel_pstate driver to report different maximum CPU
frequencies on systems where they really are different and to
ignore the turbo active ratio if hardware-managend P-states (HWP)
are in use; make it use the match_string() helper (Xie Yisheng,
Srinivas Pandruvada).
- Fix a minor deferred probe issue in the qcom-kryo cpufreq
driver (Niklas Cassel).
- Add a tracepoint for the tracking of frequency limits changes
(from Andriod) to the cpufreq core (Ruchi Kandoi).
- Fix a circular lock dependency between CPU hotplug and sysfs
locking in the cpufreq core reported by lockdep (Waiman Long).
- Avoid excessive error reports on driver registration failures
in the ARM cpuidle driver (Sudeep Holla).
- Add a new device links flag to the driver core to make links go
away automatically on supplier driver removal (Vivek Gautam).
- Eliminate potential race condition between system-wide power
management transitions and system shutdown (Pingfan Liu).
- Add a quirk to save NVS memory on system suspend for the ASUS
1025C laptop (Willy Tarreau).
- Make more systems use suspend-to-idle (instead of ACPI S3) by
default (Tristian Celestin).
- Get rid of stack VLA usage in the low-level hibernation code on
64-bit x86 (Kees Cook).
- Fix error handling in the hibernation core and mark an expected
fall-through switch in it (Chengguang Xu, Gustavo Silva).
- Extend the generic power domains (genpd) framework to support
attaching a device to a power domain by name (Ulf Hansson).
- Fix device reference counting and user limits initialization in
the devfreq core (Arvind Yadav, Matthias Kaehlcke).
- Fix a few issues in the rk3399_dmc devfreq driver and improve its
documentation (Enric Balletbo i Serra, Lin Huang, Nick Milner).
- Drop a redundant error message from the exynos-ppmu devfreq driver
(Markus Elfring).
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Merge tag 'pm-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These add a new framework for CPU idle time injection, to be used by
all of the idle injection code in the kernel in the future, fix some
issues and add a number of relatively small extensions in multiple
places.
Specifics:
- Add a new framework for CPU idle time injection (Daniel Lezcano).
- Add AVS support to the armada-37xx cpufreq driver (Gregory
CLEMENT).
- Add support for current CPU frequency reporting to the ACPI CPPC
cpufreq driver (George Cherian).
- Rework the cooling device registration in the imx6q/thermal driver
(Bastian Stender).
- Make the pcc-cpufreq driver refuse to work with dynamic scaling
governors on systems with many CPUs to avoid scalability issues
with it (Rafael Wysocki).
- Fix the intel_pstate driver to report different maximum CPU
frequencies on systems where they really are different and to
ignore the turbo active ratio if hardware-managend P-states (HWP)
are in use; make it use the match_string() helper (Xie Yisheng,
Srinivas Pandruvada).
- Fix a minor deferred probe issue in the qcom-kryo cpufreq driver
(Niklas Cassel).
- Add a tracepoint for the tracking of frequency limits changes (from
Andriod) to the cpufreq core (Ruchi Kandoi).
- Fix a circular lock dependency between CPU hotplug and sysfs
locking in the cpufreq core reported by lockdep (Waiman Long).
- Avoid excessive error reports on driver registration failures in
the ARM cpuidle driver (Sudeep Holla).
- Add a new device links flag to the driver core to make links go
away automatically on supplier driver removal (Vivek Gautam).
- Eliminate potential race condition between system-wide power
management transitions and system shutdown (Pingfan Liu).
- Add a quirk to save NVS memory on system suspend for the ASUS 1025C
laptop (Willy Tarreau).
- Make more systems use suspend-to-idle (instead of ACPI S3) by
default (Tristian Celestin).
- Get rid of stack VLA usage in the low-level hibernation code on
64-bit x86 (Kees Cook).
- Fix error handling in the hibernation core and mark an expected
fall-through switch in it (Chengguang Xu, Gustavo Silva).
- Extend the generic power domains (genpd) framework to support
attaching a device to a power domain by name (Ulf Hansson).
- Fix device reference counting and user limits initialization in the
devfreq core (Arvind Yadav, Matthias Kaehlcke).
- Fix a few issues in the rk3399_dmc devfreq driver and improve its
documentation (Enric Balletbo i Serra, Lin Huang, Nick Milner).
- Drop a redundant error message from the exynos-ppmu devfreq driver
(Markus Elfring)"
* tag 'pm-4.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (35 commits)
PM / reboot: Eliminate race between reboot and suspend
PM / hibernate: Mark expected switch fall-through
cpufreq: intel_pstate: Ignore turbo active ratio in HWP
cpufreq: Fix a circular lock dependency problem
cpu/hotplug: Add a cpus_read_trylock() function
x86/power/hibernate_64: Remove VLA usage
cpufreq: trace frequency limits change
cpufreq: intel_pstate: Show different max frequency with turbo 3 and HWP
cpufreq: pcc-cpufreq: Disable dynamic scaling on many-CPU systems
cpufreq: qcom-kryo: Silently error out on EPROBE_DEFER
cpufreq / CPPC: Add cpuinfo_cur_freq support for CPPC
cpufreq: armada-37xx: Add AVS support
dt-bindings: marvell: Add documentation for the Armada 3700 AVS binding
PM / devfreq: rk3399_dmc: Fix duplicated opp table on reload.
PM / devfreq: Init user limits from OPP limits, not viceversa
PM / devfreq: rk3399_dmc: fix spelling mistakes.
PM / devfreq: rk3399_dmc: do not print error when get supply and clk defer.
dt-bindings: devfreq: rk3399_dmc: move interrupts to be optional.
PM / devfreq: rk3399_dmc: remove wait for dcf irq event.
dt-bindings: clock: add rk3399 DDR3 standard speed bins.
...
Merge changes in the PM core, system-wide PM infrastructure, generic
power domains (genpd) framework, ACPI PM infrastructure and cpuidle
for 4.19.
* pm-core:
driver core: Add flag to autoremove device link on supplier unbind
driver core: Rename flag AUTOREMOVE to AUTOREMOVE_CONSUMER
* pm-domains:
PM / Domains: Introduce dev_pm_domain_attach_by_name()
PM / Domains: Introduce option to attach a device by name to genpd
PM / Domains: dt: Add a power-domain-names property
* pm-sleep:
PM / reboot: Eliminate race between reboot and suspend
PM / hibernate: Mark expected switch fall-through
x86/power/hibernate_64: Remove VLA usage
PM / hibernate: cast PAGE_SIZE to int when comparing with error code
* acpi-pm:
ACPI / PM: save NVS memory for ASUS 1025C laptop
ACPI / PM: Default to s2idle in all machines supporting LP S0
* pm-cpuidle:
ARM: cpuidle: silence error on driver registration failure
Moves DPAA2 DPIO driver from staging to fsl/soc
Adds multiple-pin support to QE gpio driver
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Merge tag 'soc-fsl-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into next/drivers
Various updates to soc/fsl for 4.19
Moves DPAA2 DPIO driver from staging to fsl/soc
Adds multiple-pin support to QE gpio driver
* tag 'soc-fsl-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
soc: fsl: cleanup Kconfig menu
soc: fsl: dpio: Convert DPIO documentation to .rst
staging: fsl-mc: Remove remaining files
staging: fsl-mc: Move DPIO from staging to drivers/soc/fsl
staging: fsl-dpaa2: eth: move generic FD defines to DPIO
soc: fsl: qe: gpio: Add qe_gpio_set_multiple
Signed-off-by: Olof Johansson <olof@lixom.net>
There's been work for this release cycles in both the SRAM controller
driver in order to support more SoCs, as part of our VPU work, but also to
enable the EMAC on the A64 (that needs to poke at registers within the same
register space).
Some work has been needed too to represent the bus to the display engine
controllers that all need an SRAM to be mapped to the CPU to be able to
access those controllers' registers.
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Merge tag 'sunxi-drivers-for-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/drivers
Allwinner drivers changes for 4.19
There's been work for this release cycles in both the SRAM controller
driver in order to support more SoCs, as part of our VPU work, but also to
enable the EMAC on the A64 (that needs to poke at registers within the same
register space).
Some work has been needed too to represent the bus to the display engine
controllers that all need an SRAM to be mapped to the CPU to be able to
access those controllers' registers.
* tag 'sunxi-drivers-for-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
soc: sunxi: Add the A13, A23 and H3 system control compatibles
drivers: soc: sunxi: Add support for the C1 SRAM region
dt-bindings: sram: sunxi: Populate valid sections compatibles
dt-bindings: sram: sunxi: Add A13, A20, A23 and H3 dedicated bindings
soc: sunxi: sram: Add dt match for the A10 system-control compatible
dt-bindings: sram: sunxi: Introduce new A10 binding for system-control
bus: add bus driver for accessing Allwinner A64 DE2
dt-bindings: add binding for the Allwinner A64 DE2 bus
soc: sunxi: sram: Add updated compatible string for A64 system control
dt-bindings: sram: Rename A64 SRAM controller compatible
soc: sunxi: export a regmap for EMAC clock reg on A64
Signed-off-by: Olof Johansson <olof@lixom.net>
Convert the Datapath I/O documentation to .rst format
and move to the Documation/networking/dpaa2 directory
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Move the NXP DPIO (Datapath I/O Driver) out of the
drivers/staging directory and into the drivers/soc/fsl directory.
The DPIO driver enables access to Queue and Buffer Manager (QBMAN)
hardware on NXP DPAA2 devices. This is a prerequisite to moving the
DPAA2 Ethernet driver out of staging.
Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Reviewed-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This cousin to gpio-mpc8xxx was lacking a multiple pins method,
add one.
Signed-off-by: Joakim Tjernlund <joakim.tjernlund@infinera.com>
Reviewed-by: Qiang Zhao <qiang.zhao@nxp.com>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
This branch adds initial support for new Texas Instruments AM654
quad core A53 ARMv8 SoC. It's the first device for TI K3 multicore SoC
architecture.
Initially only basic devices are configured, support for more devices
will follow later on. And many of the internal devices familiar from
earlier TI SoCs should work with existing kernel device drivers.
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Merge tag 'am654-for-v4.19-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt
TI AM654 support for v4.19 merge window
This branch adds initial support for new Texas Instruments AM654
quad core A53 ARMv8 SoC. It's the first device for TI K3 multicore SoC
architecture.
Initially only basic devices are configured, support for more devices
will follow later on. And many of the internal devices familiar from
earlier TI SoCs should work with existing kernel device drivers.
* tag 'am654-for-v4.19-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
arm64: dts: ti: Add support for AM654 EVM base board
soc: ti: Add Support for AM654 SoC config option
arm64: dts: ti: Add Support for AM654 SoC
arm64: Add support for TI's K3 Multicore SoC architecture
dt-bindings: arm: ti: Add bindings for AM654 SoC
Signed-off-by: Olof Johansson <olof@lixom.net>
- Handle i.MX6SL chip errata ERR006287 in the safest possible way by
keeping the DISP domain always-on, because Upon resuming from power
gating, the modules in the display power domain (eLCDIF, EPDC, PXP
and SPDC) might fail to perform register reads correctly.
- Use GENPD_FLAG_ALWAYS_ON flag for i.MX6QP PU ERR009619 handling.
It is functionally identical to the exsiting implementation but
simpler and slightly faster.
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Merge tag 'imx-drivers-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/drivers
i.MX drivers update for 4.19:
- Handle i.MX6SL chip errata ERR006287 in the safest possible way by
keeping the DISP domain always-on, because Upon resuming from power
gating, the modules in the display power domain (eLCDIF, EPDC, PXP
and SPDC) might fail to perform register reads correctly.
- Use GENPD_FLAG_ALWAYS_ON flag for i.MX6QP PU ERR009619 handling.
It is functionally identical to the exsiting implementation but
simpler and slightly faster.
* tag 'imx-drivers-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
soc: imx6qp: Use GENPD_FLAG_ALWAYS_ON for PU errata
soc: imx: gpc: Disable 6sl display power gating for ERR006287
Signed-off-by: Olof Johansson <olof@lixom.net>
* Always enable ARCH_TIMER on SoCs with A7 or A15
All such SoCs have ARCH_TIMER so there is no need for it to be optional.
This allows clean-up which is included in this change.
* Do not compile r8a7779_platform_cpu_kill when it is unused
This avoids a warning by shuffling code into an existing #ifdef
r8a7779 is the R-Car H1 SoC
* Add SMP enabler driver for the RZ/N1D (r9a06g032) SoC
This is to allow SMP to be enabled via DT on the r9a06g032
* Stop compiling headsmp-apmu for non-SMP configs
This is a minor clean-up allowing removal of an #ifdef
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Merge tag 'renesas-arm-soc2-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Second Round of Renesas ARM Based SoC Updates for v4.19
* Always enable ARCH_TIMER on SoCs with A7 or A15
All such SoCs have ARCH_TIMER so there is no need for it to be optional.
This allows clean-up which is included in this change.
* Do not compile r8a7779_platform_cpu_kill when it is unused
This avoids a warning by shuffling code into an existing #ifdef
r8a7779 is the R-Car H1 SoC
* Add SMP enabler driver for the RZ/N1D (r9a06g032) SoC
This is to allow SMP to be enabled via DT on the r9a06g032
* Stop compiling headsmp-apmu for non-SMP configs
This is a minor clean-up allowing removal of an #ifdef
* tag 'renesas-arm-soc2-for-v4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: Always enable ARCH_TIMER on SoCs with A7 and/or A15
ARM: shmobile: r8a7779: hide unused r8a7779_platform_cpu_kill
soc: r9a06g032: don't build SMP files for non-SMP config
ARM: shmobile: Add the R9A06G032 SMP enabler driver
ARM: shmobile: rcar-gen2: Stop compiling headsmp-apmu on !SMP
Signed-off-by: Olof Johansson <olof@lixom.net>
Make sure to set the mem device release callback before calling
put_device() in a couple of probe error paths so that the containing
object also gets freed.
Fixes: d1de6d6c63 ("soc: qcom: Remote filesystem memory driver")
Cc: stable <stable@vger.kernel.org> # 4.15
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Add missing MODULE_LICENSE().
According to the SPDX-License-Identifier, the license is GPL v2.
Fixes the following warning:
WARNING: modpost: missing MODULE_LICENSE() in drivers/soc/qcom/llcc-slice.o
Fixes: a3134fb ("drivers: soc: Add LLCC driver")
Signed-off-by: Niklas Cassel <niklas.cassel@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
The patch fixes the bug reported by Dan Carpenter.
It removes the unnecessary err check for ‘tcs’ reported by
static checker warning:
drivers/soc/qcom/rpmh-rsc.c:111 tcs_invalidate()
warn: 'tcs' isn't an ERR_PTR
See also:
drivers/soc/qcom/rpmh-rsc.c:178 get_tcs_for_msg() warn: 'tcs' isn't
an ERR_PTR
drivers/soc/qcom/rpmh-rsc.c:180 get_tcs_for_msg() warn: 'tcs' isn't
an ERR_PTR
https://www.spinics.net/lists/linux-soc/msg04624.html
Fixes: 9a3afcf ("drivers: qcom: rpmh-rsc: allow invalidation
of sleep/wake TCS")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Reviewed-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
get_req_from_tcs introduced in patch[1] returns tcs_request from
tcs_group. The size of tcs (of type - tcs_group) array in rsc_drv is
TCS_TYPE_NR. So the loop index needs to be iterated up to TCS_TYPE_NR only.
[1] https://patchwork.kernel.org/patch/10477547/
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Children of RPMh will need access to cmd_db. Rather than having each
child have code to check if cmd_db is ready let's add the check to
RPMh.
With this we'll be able to remove this boilerplate code from
clk-rpmh.c and qcom-rpmh-regulator.c. Neither of these files has
landed upstream yet but patches are pretty far along.
===
This code is based upon v11 of Lina and Raju's RPMh series.
Suggested-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Some RSCs may only have sleep and wake TCS, i.e, there is no dedicated
TCS for active mode request, but drivers may still want to make active
requests from these RSCs. In such cases re-purpose the wake TCS to send
active state requests.
The requirement for this is that the driver is aware that the wake TCS
is being repurposed to send active request, hence the sleep and wake
TCSes be invalidated before the active request is sent.
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Platform drivers need make a lot of resource state requests at the same
time, say, at the start or end of an usecase. It can be quite
inefficient to send each request separately. Instead they can give the
RPMH library a batch of requests to be sent and wait on the whole
transaction to be complete.
rpmh_write_batch() is a blocking call that can be used to send multiple
RPMH command sets. Each RPMH command set is set asynchronously and the
API blocks until all the command sets are complete and receive their
tx_done callbacks.
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@codeaurora.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
