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A recent change removed an increment of send_retries, re-add it.
Fixes: 95767ed78a18 ipmi:ssif: resend_msg() cannot fail
Reported-by: Pavel Machek <pavel@denx.de>
Cc: stable@vger.kernel.org
Signed-off-by: Corey Minyard <minyard@acm.org>
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There is a spelling mistake in the comment information. Fix it.
Signed-off-by: zipeng zhang <zhangzipeng0@foxmail.com>
Message-Id: <tencent_F0BFF85BC7C1FC84E440A7B7D364D2ED4209@qq.com>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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register_sysctl_table() is a deprecated compatibility wrapper.
register_sysctl() can do the directory creation for you so just use
that.
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Message-Id: <20230302204612.782387-3-mcgrof@kernel.org>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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REGMAP is a hidden (not user visible) symbol. Users cannot set it
directly thru "make *config", so drivers should select it instead of
depending on it if they need it.
Consistently using "select" or "depends on" can also help reduce
Kconfig circular dependency issues.
Therefore, change the use of "depends on REGMAP_MMIO" to
"select REGMAP_MMIO", which will also set REGMAP.
Fixes: eb994594bc22 ("ipmi: bt-bmc: Use a regmap for register access")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Andrew Jeffery <andrew@aj.id.au>
Cc: Corey Minyard <minyard@acm.org>
Cc: openipmi-developer@lists.sourceforge.net
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Message-Id: <20230226053953.4681-2-rdunlap@infradead.org>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC driver updates from Arnd Bergmann:
"As usual, there are lots of minor driver changes across SoC platforms
from NXP, Amlogic, AMD Zynq, Mediatek, Qualcomm, Apple and Samsung.
These usually add support for additional chip variations in existing
drivers, but also add features or bugfixes.
The SCMI firmware subsystem gains a unified raw userspace interface
through debugfs, which can be used for validation purposes.
Newly added drivers include:
- New power management drivers for StarFive JH7110, Allwinner D1 and
Renesas RZ/V2M
- A driver for Qualcomm battery and power supply status
- A SoC device driver for identifying Nuvoton WPCM450 chips
- A regulator coupler driver for Mediatek MT81xxv"
* tag 'soc-drivers-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (165 commits)
power: supply: Introduce Qualcomm PMIC GLINK power supply
soc: apple: rtkit: Do not copy the reg state structure to the stack
soc: sunxi: SUN20I_PPU should depend on PM
memory: renesas-rpc-if: Remove redundant division of dummy
soc: qcom: socinfo: Add IDs for IPQ5332 and its variant
dt-bindings: arm: qcom,ids: Add IDs for IPQ5332 and its variant
dt-bindings: power: qcom,rpmpd: add RPMH_REGULATOR_LEVEL_LOW_SVS_L1
firmware: qcom_scm: Move qcom_scm.h to include/linux/firmware/qcom/
MAINTAINERS: Update qcom CPR maintainer entry
dt-bindings: firmware: document Qualcomm SM8550 SCM
dt-bindings: firmware: qcom,scm: add qcom,scm-sa8775p compatible
soc: qcom: socinfo: Add Soc IDs for IPQ8064 and variants
dt-bindings: arm: qcom,ids: Add Soc IDs for IPQ8064 and variants
soc: qcom: socinfo: Add support for new field in revision 17
soc: qcom: smd-rpm: Add IPQ9574 compatible
soc: qcom: pmic_glink: remove redundant calculation of svid
soc: qcom: stats: Populate all subsystem debugfs files
dt-bindings: soc: qcom,rpmh-rsc: Update to allow for generic nodes
soc: qcom: pmic_glink: add CONFIG_NET/CONFIG_OF dependencies
soc: qcom: pmic_glink: Introduce altmode support
...
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
One more Qualcomm driver update for 6.3
This introduces the power-supply driver providing battery and power
supply status on many recent Qualcomm platforms, including the Qualcomm
SC8180X and SC8280XP laptop platforms and the SM8350 mobile platform.
It's introduced through the Qualcomm tree due to its dependencies on the
pmic_glink driver, which was merged already for v6.3.
* tag 'qcom-drivers-for-6.3-3' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
power: supply: Introduce Qualcomm PMIC GLINK power supply
Link: https://lore.kernel.org/r/20230215043658.1156472-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The PMIC GLINK service, running on a coprocessor of modern Qualcomm
platforms, deals with battery charging and fuel gauging, as well as
reporting status of AC and wireless power supplies.
As this is just one of the functionalities provided by the PMIC GLINK
service, this power supply driver is implemented as an auxilirary bus
driver, spawned by the main "pmic glink" driver when the PMIC GLINK
service is detected.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Konrad Dybcio <konrad.dybcio@linaro.org> # SM8350 PDX215
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-MTP & SM8450-HDK
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230207144241.1767973-1-quic_bjorande@quicinc.com
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The register state struct is 848 bytes, which ends up bloating the
apple_rtkit_crashlog_dump_regs stack frame beyond 1024 on some
32-bit platforms, triggering compile warnings.
This doesn't matter for 64BIT/ARM64, but there's also no good reason to
copy the structure to the stack in this case. We can use __packed to
avoid alignment issues, there are no double-read hazards, and this is a
fatal error path so performance does not matter.
Fixes: 22991d8d5725 ("soc: apple: rtkit: Add register dump decoding to crashlog")
Signed-off-by: Asahi Lina <lina@asahilina.net>
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
More Qualcomm driver updates for 6.3
The qcom_scm.h file is moved into firmware/qcom, to avoid having any
Qualcomm-specific files directly in include/linux.
Support for PMIC GLINK is introduced, which on newer Qualcomm platforms
provides an interface to the firmware implementing battery management
and USB Type-C handling. Together with the base driver comes the custom
altmode support driver.
SMD RPM gains support for IPQ9574, and socinfo is extended with support
for revision 17 of the information format and soc_id for IPQ5332 and
IPQ8064 are added.
The qcom_stats is changes not to fail when not all parts are
initialized.
* tag 'qcom-drivers-for-6.3-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
soc: qcom: socinfo: Add IDs for IPQ5332 and its variant
dt-bindings: arm: qcom,ids: Add IDs for IPQ5332 and its variant
dt-bindings: power: qcom,rpmpd: add RPMH_REGULATOR_LEVEL_LOW_SVS_L1
firmware: qcom_scm: Move qcom_scm.h to include/linux/firmware/qcom/
MAINTAINERS: Update qcom CPR maintainer entry
dt-bindings: firmware: document Qualcomm SM8550 SCM
dt-bindings: firmware: qcom,scm: add qcom,scm-sa8775p compatible
soc: qcom: socinfo: Add Soc IDs for IPQ8064 and variants
dt-bindings: arm: qcom,ids: Add Soc IDs for IPQ8064 and variants
soc: qcom: socinfo: Add support for new field in revision 17
soc: qcom: smd-rpm: Add IPQ9574 compatible
soc: qcom: pmic_glink: remove redundant calculation of svid
soc: qcom: stats: Populate all subsystem debugfs files
dt-bindings: soc: qcom,rpmh-rsc: Update to allow for generic nodes
soc: qcom: pmic_glink: add CONFIG_NET/CONFIG_OF dependencies
soc: qcom: pmic_glink: Introduce altmode support
soc: qcom: pmic_glink: Introduce base PMIC GLINK driver
dt-bindings: soc: qcom: Introduce PMIC GLINK binding
soc: qcom: dcc: Drop driver for now
Link: https://lore.kernel.org/r/20230210182242.2023901-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add SOC ID for Qualcomm IPQ5332 and IPQ5322 variants.
Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230208055709.13162-3-quic_kathirav@quicinc.com
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Move include/linux/qcom_scm.h to include/linux/firmware/qcom/qcom_scm.h.
This removes 1 of a few remaining Qualcomm-specific headers into a more
approciate subdirectory under include/.
Suggested-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Reviewed-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Acked-by: Mukesh Ojha <quic_mojha@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230203210956.3580811-1-quic_eberman@quicinc.com
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Add Soc IDs table entries for Qualcomm IPQ8064 and variants.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230124143236.1038-2-ansuelsmth@gmail.com
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Add support for new field coming with socinfo structure under v17 to get
hardware platform's oem variant id. This is to enable OEMs to have minor
changes in the board, but to use the same platform subtype as the one
supported by Qualcomm. The new field is to be used in platform overlay
file. Default value is 0, reserved for Qualcomm platforms. Also, add
debugfs support to read this field for a device.
Signed-off-by: Naman Jain <quic_namajain@quicinc.com>
Reviewed-by: Mukesh Ojha <quic_mojha@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230127041200.29094-1-quic_namajain@quicinc.com
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Adding compatible string to support RPM communication over SMD for
IPQ9574 SoC
Co-developed-by: Praveenkumar I <quic_ipkumar@quicinc.com>
Signed-off-by: Praveenkumar I <quic_ipkumar@quicinc.com>
Signed-off-by: devi priya <quic_devipriy@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230113150310.29709-2-quic_devipriy@quicinc.com
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gcc with W=1 reports
drivers/soc/qcom/pmic_glink_altmode.c:223:13: error: variable ‘svid’ set but not used [-Werror=unused-but-set-variable]
223 | u16 svid;
From reviewing the code, the setting of alt_port->svid does the same calculation.
Both are not needed. For debuggablity, keep the setting of local svid.
Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230206135831.1794583-1-trix@redhat.com
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This driver relies on SMEM to populate items for each subsystem before
the device probes. The items in SMEM that are being looked for are
populated by the subsystems lazily, and therefore may not exist until
the device has booted. For example, if I build this driver into the
kernel on Trogdor Lazor and boot up, I don't see a 'modem' debugfs file
populated, because the modem boots and populates the SMEM item after
this driver probes.
Always populate the files for the subsystems if they're in SMEM, and
make the qcom_subsystem_sleep_stats_show() function return 0 if the SMEM
items still isn't there. This way we can run a simple command like
grep ^ /sys/kernel/debug/qcom_stats/*
and collect the subsystem sleep stats without interspersed errors or
missing details entirely because this driver probed first.
Fixes: 1d7724690344 ("soc: qcom: Add Sleep stats driver")
Cc: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230119032329.2909383-1-swboyd@chromium.org
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QMI is a network protocol, so anything using requires CONFIG_NET
to be enabled as well:
WARNING: unmet direct dependencies detected for QCOM_QMI_HELPERS
Depends on [n]: NET [=n]
Selected by [m]:
- QCOM_PDR_HELPERS [=m]
arm-linux-gnueabi-ld: drivers/soc/qcom/qmi_interface.o: in function `qmi_send_new_lookup':
qmi_interface.c:(.text+0xf0): undefined reference to `kernel_sendmsg'
Add the dependency to both QCOM_PDR_HELPERS and QCOM_PMIC_GLINK to make
it clearly what the dependency is when another PDR user is added.
pmic_glink also needs CONFIG_OF:
drivers/soc/qcom/pmic_glink_altmode.c: In function 'pmic_glink_altmode_probe':
drivers/soc/qcom/pmic_glink_altmode.c:418:33: error: 'struct drm_bridge' has no member named 'of_node'
Fixes: 58ef4ece1e41 ("soc: qcom: pmic_glink: Introduce base PMIC GLINK driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230206193804.191343-1-arnd@kernel.org
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drivers-for-6.3
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With the PMIC GLINK service, the host OS subscribes to USB-C altmode
messages, which are sent by the firmware to notify the host OS about
state updates and HPD interrupts.
The pmic_glink_altmode driver registers for these notifications and
propagates the notifications as typec_mux, typec_switch and DRM OOB
notifications as necessary to implement DisplayPort altmode support.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Konrad Dybcio <konrad.dybcio@linaro.org> # SM8350 PDX215
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-MTP & SM8450-HDK
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230201041853.1934355-4-quic_bjorande@quicinc.com
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The PMIC GLINK service runs on one of the co-processors of some modern
Qualcomm platforms and implements USB-C and battery managements. It uses
a message based protocol over GLINK for communication with the OS, hence
the name.
The driver implemented provides the rpmsg device for communication and
uses auxiliary bus to spawn off individual devices in respective
subsystem. The auxiliary devices are spawned off from a
platform_device, so that the drm_bridge is available early, to allow the
DisplayPort driver to probe even before the remoteproc has spun up.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Konrad Dybcio <konrad.dybcio@linaro.org> # SM8350 PDX215
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8550-MTP & SM8450-HDK
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230201041853.1934355-3-quic_bjorande@quicinc.com
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Arnd asks for the DCC driver to be dropped for now, in order to allow
for more thorough review, by a wider audience, of the ABI introduced.
The Devicetree binding is adequately describing the hardware block, so
this is kept.
Requested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v6.3
This introduces a new driver for the Data Capture and Compare block,
which provides a mechanism for capturing hardware state (access MMIO
registers) either upon request of triggered automatically e.g. upon a
watchdog bite, for post mortem analysis.
The remote filesystem memory share driver gains support for having its
memory bound to more than a single VMID.
The SCM driver gains the minimal support needed to support a new
mechanism where secure world can put calls on hold and later request
them to be retried.
Support for the new SA8775P platform is added to rpmhpd, QDU1000 is
added to the SCM driver and a long list of platforms are added to the
socinfo driver. Support for socinfo data revision 16 is also introduced.
Lastly a driver to program the ramp controller in MSM8976 is introduced.
* tag 'qcom-drivers-for-6.3' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (33 commits)
firmware: qcom: scm: Add wait-queue handling logic
dt-bindings: firmware: qcom,scm: Add optional interrupt
Revert "dt-bindings: power: rpmpd: Add SM4250 support"
Revert "soc: qcom: rpmpd: Add SM4250 support"
soc: qcom: socinfo: Add a bunch of older SoCs
dt-bindings: arm: qcom,ids: Add a bunch of older SoCs
dt-bindings: arm: qcom,ids: Add QRD board ID
soc: qcom: socinfo: Fix soc_id order
dt-bindings: soc: qcom: smd-rpm: Exclude MSM8936 from glink-channels
dt-bindings: firmware: qcom: scm: Separate VMIDs from header to bindings
soc: qcom: rmtfs: Optionally map RMTFS to more VMs
dt-bindings: reserved-memory: rmtfs: Make qcom,vmid an array
dt-bindings: firmware: scm: Add QDU1000/QRU1000 compatible
dt-bindings: firmware: qcom,scm: narrow clocks and interconnects
dt-bindings: firmware: qcom,scm: document MSM8226 clocks
soc: qcom: ramp_controller: Make things static
soc: qcom: rmphpd: add power domains for sa8775p
dt-bindings: power: qcom,rpmpd: document sa8775p
PM: AVS: qcom-cpr: Fix an error handling path in cpr_probe()
soc: qcom: dcc: rewrite description of dcc sysfs files
...
Link: https://lore.kernel.org/r/20230126163008.3676950-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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When the firmware (FW) supports multiple requests per VM, multiple requests
from the same/different VM can reach the firmware at the same time. Since
the firmware currently being used has limited resources, it guards them
with a resource lock and puts requests on a wait-queue internally and
signals to HLOS that it is doing so. It does this by returning a new return
value in addition to success or error: SCM_WAITQ_SLEEP. A sleeping SCM call
can be woken up by an interrupt that the FW raises.
1) SCM_WAITQ_SLEEP:
When an SCM call receives this return value instead of success
or error, FW has placed this call on a wait-queue and has signalled
HLOS to put it to non-interruptible sleep.
Along with this return value, FW also passes to HLOS `wq_ctx` -
a unique number (UID) identifying the wait-queue that it has put
the call on, internally. This is to help HLOS with its own
bookkeeping to wake this sleeping call later.
Additionally, FW also passes to HLOS `smc_call_ctx` - a UID
identifying the SCM call thus being put to sleep. This is also
for HLOS' bookkeeping to wake this call up later.
These two additional values are passed via the a1 and a2
registers.
N.B.: The "ctx" in the above UID names = "context".
The handshake mechanism that HLOS uses to talk to FW about wait-queue
operations involves two new SMC calls.
1) get_wq_ctx():
Arguments: None
Returns: wq_ctx, flags, more_pending
Get the wait-queue context, and wake up either one or all of the
sleeping SCM calls associated with that wait-queue.
Additionally, repeat this if there are more wait-queues that are
ready to have their requests woken up (`more_pending`).
2) wq_resume(smc_call_ctx):
Arguments: smc_call_ctx
HLOS needs to issue this in response to receiving an
IRQ, passing to FW the same smc_call_ctx that FW
receives from HLOS via the get_wq_ctx() call.
(The mechanism to wake a SMC call back up is described in detail below)
VM_1 VM_2 Firmware
│ │ │
│ │ │
│ │ │
│ │ │
│ REQUEST_1 │ │
├────────────────────────┼─────────────────────────────────┤
│ │ │
│ │ ┌──┼──┐
│ │ │ │ │
│ │ REQUEST_2 │ │ │
│ ├──────────────────────────────┼──┤ │
│ │ │ │ │Resource
│ │ │ │ │is busy
│ │ {WQ_SLEEP} │ │ │
│ │◄─────────────────────────────┼──┤ │
│ │ wq_ctx, smc_call_ctx │ │ │
│ │ └──┼──┘
│ REQUEST_1 COMPLETE │ │
│◄───────────────────────┼─────────────────────────────────┤
│ │ │
│ │ IRQ │
│ │◄─-------------------------------│
│ │ │
│ │ get_wq_ctx() │
│ ├────────────────────────────────►│
│ │ │
│ │ │
│ │◄────────────────────────────────┤
│ │ wq_ctx, flags, and │
│ │ more_pending │
│ │ │
│ │ │
│ │ wq_resume(smc_call_ctx) │
│ ├────────────────────────────────►│
│ │ │
│ │ │
│ │ REQUEST_2 COMPLETE │
│ │◄────────────────────────────────┤
│ │ │
│ │ │
With the exception of get_wq_ctx(), the other SMC call wq_resume() can
return WQ_SLEEP (these nested rounds of WQ_SLEEP are not shown in the
above diagram for the sake of simplicity). Therefore, introduce a new
do-while loop to handle multiple WQ_SLEEP return values for the same
parent SCM call.
Request Completion in the above diagram refers to either a success
return value (zero) or error (and not SMC_WAITQ_SLEEP)
Also add the interrupt handler that wakes up a sleeping SCM call.
Signed-off-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Co-developed-by: Sibi Sankar <quic_sibis@quicinc.com>
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Reviewed-by: Guru Das Srinagesh <quic_gurus@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230113161114.22607-3-quic_sibis@quicinc.com
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SM4250 and SM6115 use a shared device tree and the RPMPDs are
identical. There's no need for a separate entry, so remove it.
This reverts commit 5b617b1b10c1c6a4365d8f956032e95c53b8e388.
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230113152232.2624545-1-konrad.dybcio@linaro.org
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Add the new SoCs added in qcom,ids.h to the soc_id array so they show
up correctly in the socinfo sysfs.
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230104115348.25046-5-stephan@gerhold.net
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The soc_id array is mostly ordered by the numeric "msm-id" defined in
qcom,ids.h but some recent entries were added at the wrong place.
While it does not make a functional difference it does make it harder
to regenerate the entire array after adding a bunch of new IDs.
Fixes: de320c07da3d ("soc: qcom: socinfo: Add MSM8956/76 SoC IDs to the soc_id table")
Fixes: 147f6534b8ff ("soc: qcom: socinfo: Add SM8550 ID")
Signed-off-by: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230104115348.25046-2-stephan@gerhold.net
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Qualcomm driver fixes for v6.2
Updated error handling in the async packer router driver made an
optional property required, fix this. Also improve error handling in the
probe function of the CPR driver.
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drivers-for-6.3
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Some SoCs require that RMTFS is also mapped to the NAV VM. Trying to
power on the modem without that results in the whole platform
crashing and forces a hard reboot within about 2 seconds. Add support
for mapping the region to additional VMs, such as NAV to open a path
towards enabling modem on such platforms.
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
[Konrad: reword, make conditional and flexible, add a define for NAV VMID]
Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230109130523.298971-2-konrad.dybcio@linaro.org
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The five msm8976_cfg_* objects ought to be static, as reported by LKP
and sparse, fix this.
drivers/soc/qcom/ramp_controller.c:235:27: sparse: sparse: symbol 'msm8976_cfg_dfs_sid' was not declared. Should it be static?
drivers/soc/qcom/ramp_controller.c:246:27: sparse: sparse: symbol 'msm8976_cfg_link_sid' was not declared. Should it be static?
drivers/soc/qcom/ramp_controller.c:250:27: sparse: sparse: symbol 'msm8976_cfg_lmh_sid' was not declared. Should it be static?
drivers/soc/qcom/ramp_controller.c:256:27: sparse: sparse: symbol 'msm8976_cfg_ramp_en' was not declared. Should it be static?
drivers/soc/qcom/ramp_controller.c:262:27: sparse: sparse: symbol 'msm8976_cfg_ramp_dis' was not declared. Should it be static?
Fixes: a723c95fa137 ("soc: qcom: Add Qualcomm Ramp Controller driver")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230110042004.2378444-1-quic_bjorande@quicinc.com
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Add power domain description for sa8775p and a new compatible to match it.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230109174511.1740856-15-brgl@bgdev.pl
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The return value from the call to kstrtouint_from_user() is int.
However, the return value is being assigned to
an unsigned int variable 'ret', so making 'ret' an int.
Eliminate the following warning:
./drivers/soc/qcom/dcc.c:815:5-8: WARNING: Unsigned expression compared with zero: ret < 0
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3638
Fixes: 4cbe60cf5ad6 ("soc: qcom: dcc: Add driver support for Data Capture and Compare unit(DCC)")
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230106011710.2827-1-yang.lee@linux.alibaba.com
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Add support for new fields coming with socinfo structure under v16 to get
SKU information, product code and name and type of different parts present
in the SoC. Also, add debugfs nodes to read feature and product codes to
allow user to get SKU and other SoC details. Support for SoC parts name
and type parsing will be added separately. Details of fields added:
* feature_code: mapped to qcom internal and external SKU IDs
* pcode: product code
* npartnamemap_offset: parts name map array offset from socinfo base ptr
* nnum_partname_mapping: number of part mappings
Signed-off-by: Naman Jain <quic_namajain@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221125103533.2960-1-quic_namajain@quicinc.com
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Building ramp_controller under x86_64 results in the following build
error:
error: implicit declaration of function 'FIELD_PREP' is invalid in C99
Include linux/bitfield.h to ensure FIELD_PREP() is declared.
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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The DCC is a DMA Engine designed to capture and store data
during system crash or software triggers. The DCC operates
based on user inputs via the debugfs interface. The user gives
addresses as inputs and these addresses are stored in the
dcc sram. In case of a system crash or a manual software
trigger by the user through the debugfs interface,
the dcc captures and stores the values at these addresses.
This patch contains the driver which has all the methods
pertaining to the debugfs interface, auxiliary functions to
support all the four fundamental operations of dcc namely
read, write, read/modify/write and loop. The probe method
here instantiates all the resources necessary for dcc to
operate mainly the dedicated dcc sram where it stores the
values. The DCC driver can be used for debugging purposes
without going for a reboot since it can perform software
triggers as well based on user inputs.
Also add the documentation for debugfs entries which explains
the functionalities of each debugfs file that has been created
for dcc.
The following is the justification of using debugfs interface
over the other alternatives like sysfs/ioctls
i) As can be seen from the debugfs attribute descriptions,
some of the debugfs attribute files here contains multiple
arguments which needs to be accepted from the user. This goes
against the design style of sysfs.
ii) The user input patterns have been made simple and convenient
in this case with the use of debugfs interface as user doesn't
need to shuffle between different files to execute one instruction
as was the case on using other alternatives.
Signed-off-by: Souradeep Chowdhury <quic_schowdhu@quicinc.com>
Reviewed-by: Alex Elder <elder@linaro.org>
[bjorn: Fixed up a few indents and line wraps]
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/644b4f66a358492a8a6738454035c3b120092fe7.1672148732.git.quic_schowdhu@quicinc.com
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The Ramp Controller is used to program the sequence ID for pulse
swallowing, enable sequence and linking sequence IDs for the CPU
cores on some Qualcomm SoCs.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221117132956.169432-3-angelogioacchino.delregno@collabora.com
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An $ARCH or a platform should select PM. Single device drivers
should only depend on PM, not select it.
Having SUN20I_PPU depend on PM removes a kconfig warning:
WARNING: unmet direct dependencies detected for PM
Depends on [n]: !MMU [=y]
Selected by [y]:
- SUN20I_PPU [=y] && (ARCH_SUNXI || COMPILE_TEST [=y])
Fixes: 0ad2185dcb5e ("soc: sunxi: select CONFIG_PM")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Jernej Skrabec <jernej.skrabec@gmail.com>
Cc: Samuel Holland <samuel@sholland.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-sunxi@lists.linux.dev
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The dummy cycles value was wrongly calculated if dummy.buswidth > 1,
which affects QSPI, OSPI, HyperFlash on various SoCs. We're lucky in
Single SPI case since its dummy.buswidth equals to 1, so the result of
the division is unchanged
This issue can be reproduced using something like the following commands
A. QSPI mode: Mount device with jffs2 format
jffs2: CLEANMARKER node found at 0x00000004, not first node in block (0x00000000)
B. QSPI mode: Write data to mtd10, where mtd10 is a parition on SPI Flash
storage, defined properly in a device tree
[Correct fragment, read from SPI Flash]
root@v3x:~# echo "hello" > /dev/mtd10
root@v3x:~# hexdump -C -n100 /dev/mtd10
00000000 68 65 6c 6c 6f 0a ff ff ff ff ff ff ff ff ff ff |hello...........|
00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
[Incorrect read of the same fragment: see the difference at offsets 0-3]
root@v3x:~# echo "hello" > /dev/mtd10
root@v3x:~# hexdump -C -n100 /dev/mtd10
00000000 00 00 00 00 68 65 6c 6c 6f 0a ff ff ff ff ff ff |....hello.......|
00000010 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff |................|
As seen from the result, 4 NULL bytes were inserted before the test data.
Wrong calculation in rpcif_prepare() led to miss of some dummy cycle. A
division by bus width is redundant because it had been performed already
in spi-rpc-if.c::rpcif_spi_mem_prepare()
Fix this by removing the redundant division.
Fixes: ca7d8b980b67 ("memory: add Renesas RPC-IF driver")
Signed-off-by: Cong Dang <cong.dang.xn@renesas.com>
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20230112090655.43367-1-wsa+renesas@sang-engineering.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230207173051.449151-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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into soc/drivers
Apple SoC RTKit/PMGR updates for 6.3.
This time around we have a PMGR change to allow IRQ-safe usage, RTKit
crash register dump decoding, and a bunch of RTKit API changes used by
upcoming drivers.
* tag 'asahi-soc-rtkit-pmgr-6.3' of https://github.com/AsahiLinux/linux:
soc: apple: rtkit: Add register dump decoding to crashlog
soc: apple: rtkit: Export non-devm init/free functions
soc: apple: rtkit: Add a private pointer to apple_rtkit_shmem
soc: apple: apple-pmgr-pwrstate: Switch to IRQ-safe mode
soc: apple: rtkit: Add apple_rtkit_idle() function
Link: https://lore.kernel.org/r/4790bdc4-b6e2-228b-771f-023363f65fb3@marcan.st
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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When the coprocessor crashes, it's useful to get a proper register dump
so we can find out what the firmware was doing. Add a decoder for this.
Originally this had ESR decoding by reusing the ARM64 arch header for
this, but that introduces some module linking and cross-arch compilation
issues, so let's leave that out for now.
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Signed-off-by: Asahi Lina <lina@asahilina.net>
Signed-off-by: Hector Martin <marcan@marcan.st>
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While we normally encourage devm usage by drivers, some consumers (and
in particular the upcoming Rust abstractions) might want to manually
manage memory. Export the raw functions to make this possible.
Signed-off-by: Asahi Lina <lina@asahilina.net>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Signed-off-by: Hector Martin <marcan@marcan.st>
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This requires changing the reset path locking primitives to the spinlock
path in genpd, instead of the mutex path.
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Hector Martin <marcan@marcan.st>
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This is yet another low power mode, used by DCP.
Reviewed-by: Eric Curtin <ecurtin@redhat.com>
Reviewed-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Hector Martin <marcan@marcan.st>
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https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into soc/drivers
Samsung SoC driver changes for v6.3
Deprecate syscon phandle to the PMU node in MIPI and DP video phy
drivers in favor of putting the device nodes directly under the PMU
nodes. This better reflects device hierarchy and allows later to solve
dtc W=1 and dtbs_check warnings.
* tag 'samsung-drivers-6.3-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
phy: samsung,mipi-video-phy: deprecate syscon phandle
phy: samsung,dp-video-phy: deprecate syscon phandle
dt-bindings: phy: samsung,mipi-video-phy: deprecate syscon phandle
dt-bindings: phy: samsung,dp-video-phy: deprecate syscon phandle
MAINTAINERS: arm64: tesla: correct pattern for directory
dt-bindings: soc: samsung: exynos-sysreg: correct indentation for deprecated
dt-bindings: soc: samsung: exynos-sysreg: add dedicated SYSREG compatibles to Exynosautov9
dt-bindings: soc: samsung: exynos-sysreg: add dedicated SYSREG compatibles to Exynos850
dt-bindings: soc: samsung: exynos-sysreg: Add tesla FSD sysreg compatibles
dt-bindings: soc: samsung: exynos-sysreg: add clocks for Exynos850
dt-bindings: soc: samsung: exynos-sysreg: add dedicated SYSREG compatibles to Exynos5433
dt-bindings: soc: samsung: exynos-sysreg: split from syscon
Link: https://lore.kernel.org/r/20230205144657.951749-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The MIPI phy is actually part of the Power Management Unit system
controller, thus it should be its child, instead of sibling node with
syscon phandle.
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20230127194057.186458-6-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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The DisplayPort phy is actually part of the Power Management Unit system
controller, thus it should be its child, instead of sibling node with
syscon phandle.
Acked-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20230127194057.186458-5-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into soc/drivers
Introduce MediaTek regulator coupler driver to ensure that the SRAM
voltage in par with the GPU voltage. This allows for a stable use of the
GPU.
mtk-mutex:
- add support for MT8188 vdosys0 path
- allow it to be build as module
- add support for MT8195 vdosys1 path
mmsys:
- add MT8188 vdosys0 path
- allow to be build as a module
- add MT8195 vdosys1 path
- add support for CMDQ
- allow for up to 64 reset bits
- add supprot for the MT8195 vppsys[0,1] pathes
pm-domains:
- keep power for the MT8186 ADSP on by default
- add support for MT8188
- add support for buck isolation needed in specific pm-domains for
MT8188 and MT8192
mtk-svs:
- enable IRQ later to allow using kexec
- several improvments on the code base
- fix modalias
pmic wrapper:
- convert binding to yaml. As this is thightly coupled to the MT6357
PMIC, I took patches regarding it as well.
* tag 'v6.2-next-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux: (41 commits)
soc: mediatek: mtk-svs: add missing MODULE_DEVICE_TABLE
soc: mediatek: mtk-devapc: Switch to devm_clk_get_enabled()
soc: mtk-svs: mt8183: refactor o_slope calculation
soc: mediatek: mtk-svs: delete superfluous platform data entries
soc: mediatek: mtk-svs: move svs_platform_probe into probe
soc: mediatek: mtk-svs: improve readability of platform_probe
soc: mediatek: mtk-svs: clean up platform probing
soc: mediatek: mtk-svs: keep svs alive if CONFIG_DEBUG_FS not supported
soc: mediatek: mtk-svs: Use pm_runtime_resume_and_get() in svs_init01()
soc: mediatek: mtk-svs: reset svs when svs_resume() fail
soc: mediatek: mtk-svs: restore default voltages when svs_init02() fail
soc: mediatek: mmsys: add support for MT8195 VPPSYS
dt-bindings: arm: mediatek: mmsys: Add support for MT8195 VPPSYS
soc: mediatek: Introduce mediatek-regulator-coupler driver
soc: mediatek: mtk-svs: Enable the IRQ later
soc: mediatek: add mtk-mutex support for mt8195 vdosys1
soc: mediatek: add mtk-mutex component - dp_intf1
soc: mediatek: mmsys: add reset control for MT8195 vdosys1
soc: mediatek: mmsys: add mmsys for support 64 reset bits
soc: mediatek: add cmdq support of mtk-mmsys config API for mt8195 vdosys1
...
Link: https://lore.kernel.org/r/396d51fc-81f3-4a2b-d7a7-b966bfe3002a@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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This patch adds missing MODULE_DEVICE_TABLE definition
which generates correct modalias for automatic loading
of this driver when it is built as an external module.
Signed-off-by: Zeng Heng <zengheng4@huawei.com>
Link: https://lore.kernel.org/r/20220928151346.1942977-1-zengheng4@huawei.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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This driver does exactly devm_clk_get() and clk_prepare_enable() right
after, which is exactly what devm_clk_get_enabled() does: clean that
up by switching to the latter.
This commit brings no functional changes.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221006110935.59695-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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The o_slope value is dependent of the o_slope_sign, refactor code to get
rid of unnecessary if constructs.
Signed-off-by: Roger Lu <roger.lu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230111074528.29354-15-roger.lu@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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