The KVM RISC-V allows Sscofpmf extension for Guest/VM so let us
add this extension to get-reg-list test.
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240420151741.962500-20-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
__vcpu_has_ext can check both SBI and ISA extensions when the first
argument is properly converted to SBI/ISA extension IDs. Introduce
two helper functions to make life easier for developers so they
don't have to worry about the conversions.
Replace the current usages as well with new helpers.
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240420151741.962500-19-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
The SBI definitions will continue to grow. Move the sbi related
definitions to its own header file from processor.h
Suggested-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240420151741.962500-18-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Rename the function to indicate that it is meant for firmware
counter read. While at it, add a range sanity check for it as
well.
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240420151741.962500-17-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
The SBI v2.0 introduced a fw_read_hi function to read 64 bit firmware
counters for RV32 based systems.
Add infrastructure to support that.
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240420151741.962500-16-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
KVM enables perf for guest via counter virtualization. However, the
sampling can not be supported as there is no mechanism to enabled
trap/emulate scountovf in ISA yet. Rely on the SBI PMU snapshot
to provide the counter overflow data via the shared memory.
In case of sampling event, the host first sets the guest's LCOFI
interrupt and injects to the guest via irq filtering mechanism defined
in AIA specification. Thus, ssaia must be enabled in the host in order
to use perf sampling in the guest. No other AIA dependency w.r.t kernel
is required.
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240420151741.962500-15-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
PMU Snapshot function allows to minimize the number of traps when the
guest access configures/access the hpmcounters. If the snapshot feature
is enabled, the hypervisor updates the shared memory with counter
data and state of overflown counters. The guest can just read the
shared memory instead of trap & emulate done by the hypervisor.
This patch doesn't implement the counter overflow yet.
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240420151741.962500-14-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
Currently, we return a linux error code if creating a perf event failed
in kvm. That shouldn't be necessary as guest can continue to operate
without perf profiling or profiling with firmware counters.
Return appropriate SBI error code to indicate that PMU configuration
failed. An error message in kvm already describes the reason for failure.
Fixes: 0cb74b65d2 ("RISC-V: KVM: Implement perf support without sampling")
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240420151741.962500-13-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
The virtual counter value is updated during pmu_ctr_read. There is no need
to update it in reset case. Otherwise, it will be counted twice which is
incorrect.
Fixes: 0cb74b65d2 ("RISC-V: KVM: Implement perf support without sampling")
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240420151741.962500-12-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
The initial sample period value when counter value is not assigned
should be set to maximum value supported by the counter width.
Otherwise, it may result in spurious interrupts.
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20240420151741.962500-11-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
SBI v2.0 SBI introduced PMU snapshot feature which adds the following
features.
1. Read counter values directly from the shared memory instead of
csr read.
2. Start multiple counters with initial values with one SBI call.
These functionalities optimizes the number of traps to the higher
privilege mode. If the kernel is in VS mode while the hypervisor
deploy trap & emulate method, this would minimize all the hpmcounter
CSR read traps. If the kernel is running in S-mode, the benefits
reduced to CSR latency vs DRAM/cache latency as there is no trap
involved while accessing the hpmcounter CSRs.
In both modes, it does saves the number of ecalls while starting
multiple counter together with an initial values. This is a likely
scenario if multiple counters overflow at the same time.
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Samuel Holland <samuel.holland@sifive.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Link: https://lore.kernel.org/r/20240420151741.962500-10-atishp@rivosinc.com
Signed-off-by: Anup Patel <anup@brainfault.org>
A pin controller device mapped with the gpio-ranges property
will need implementations of the .request and .free members of
the gpiochip.
Signed-off-by: Doug Berger <opendmb@gmail.com>
Tested-by: Phil Elwell <phil@raspberrypi.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240424185039.1707812-4-opendmb@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Some drivers (e.g. gpio-mt7621 and gpio-brcmstb) have multiple
gpiochip banks within a single device. Unfortunately, the
gpio-ranges property of the device node was being applied to
every gpiochip of the device with device relative GPIO offset
values rather than gpiochip relative GPIO offset values.
This commit makes use of the gpio_chip offset value which can be
non-zero for such devices to split the device node gpio-ranges
property into GPIO offset ranges that can be applied to each
of the relevant gpiochips of the device.
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240424185039.1707812-3-opendmb@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
In the context of changing my career path, my Pengutronix email address
will soon stop to be available to me. Update the PWM maintainer entry to
my kernel.org identity.
I drop my co-maintenance of SIOX. Thorsten will continue to care for
it with the support of the Pengutronix kernel team.
Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>
Acked-by: Thorsten Scherer <t.scherer@eckelmann.de>
Link: https://lore.kernel.org/r/20240424212626.603631-2-ukleinek@kernel.org
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
I no longer have access to PCA9541 hardware, and I am no longer involved
in related development. Listing me as PCA9541 maintainer does not make
sense anymore. Remove PCA9541 from MAINTAINERS to let its support default
to the generic I2C multiplexer entry.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
- move the nvmem registration after the test one-byte read to improve the
situation with a race condition in nvmem
- fix the DT schema for ST M24C64-D
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Merge tag 'at24-fixes-for-v6.9-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-current
at24 fixes for v6.9-rc6
- move the nvmem registration after the test one-byte read to improve the
situation with a race condition in nvmem
- fix the DT schema for ST M24C64-D
Add a new enum and a xfs_dir2_format helper that returns it to allow
the code to switch on the format of a directory in a single operation
and switch all helpers of xfs_dir2_isblock and xfs_dir2_isleaf to it.
This also removes the explicit xfs_iread_extents call in a few of the
call sites given that xfs_bmap_last_offset already takes care of it
underneath.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Add a helper to switch between the different directory formats for
removing a directory entry.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Add a helper to switch between the different directory formats for
removing a directory entry.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Add a helper to switch between the different directory formats for
creating a directory entry and to handle the XFS_DA_OP_JUSTCHECK flag
based on the passed in ino number field.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
Add a helper to switch between the different directory formats for
lookup and to handle the -EEXIST return for a successful lookup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
After platform data is gone, we always allocate memory for the slot
information. Incapsulate the array of the latter into the host structure,
so we allocate memory only once. This makes code simpler.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240425170900.3767990-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Merge the mmc fixes for v6.9-rc[n] into the next branch, to allow them to
get tested together with the new mmc changes that are targeted for v6.10.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
There no need to keep a pointer to a platform device as it's not
used outside of ->probe() and ->remove() callbacks.
Replace platform device pointer by generic one in host structure.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240417165708.2965612-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The commit d2c6d518c2 ("mmc: atmel-mci: move atmel MCI header file")
made sure that there is no in-kernel user of the platform data. But
at the same time it hadn't removed the code around that data structure.
Finish the job here and remove a dead code.
Fixes: d2c6d518c2 ("mmc: atmel-mci: move atmel MCI header file")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240417165708.2965612-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Implement the .platform_execute_tuning for Sophgo CV1800B and SG200X.
Some code is borrowed from sdhci-esdhc-imx.c. The tuning result is
similar as the one of SoC vendor's SDK.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240420021429.454-1-jszhang@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The preceding "&" before th1520_execute_tuning is useless, remove it.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240414164357.2841-1-jszhang@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The difference between old S3C64xx and newer Exynos4 SDHCI controller
variants is in clock handling (the "no_divider" field in drvdata).
Choose the proper sdhci_ops based on the variant instead of patching
ops in probe, if Exynos4 is used.
This allows making struct sdhci_ops const for code safety and probably
opens further options in the future, as the dynamic pointer ops table is
not anymore that dynamic.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/20240414-mmc-const-sdhci-ops-v2-5-262f81faadac@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The local struct sdhci_ops can be made const for code safety.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Link: https://lore.kernel.org/r/20240414-mmc-const-sdhci-ops-v2-3-262f81faadac@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The irq_handler_t is already defined globally, let's use it
in slot-gpio code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20240410195618.1632778-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The card-detect GPIO for the microSD slot on Asus T100TA / T100TAM models
stopped working under Linux after commit 6fd03f0248 ("gpiolib: acpi:
support bias pull disable").
The GPIO in question is connected to a mechanical switch in the slot
which shorts the pin to GND when a card is inserted.
The GPIO pin correctly gets configured with a 20K pull-up by the BIOS,
but there is a bug in the DSDT where the GpioInt for the card-detect is
configured with a PullNone setting:
GpioInt (Edge, ActiveBoth, SharedAndWake, PullNone, 0x2710,
"\\_SB.GPO0", 0x00, ResourceConsumer, ,
)
{ // Pin list
0x0026
}
Linux now actually honors the PullNone setting and disables the 20K pull-up
configured by the BIOS.
Add a new DMI_QUIRK_SD_CD_ENABLE_PULL_UP quirk which when set calls
mmc_gpiod_set_cd_config() to re-enable the pull-up and set this for
the Asus T100TA models to fix this.
Fixes: 6fd03f0248 ("gpiolib: acpi: support bias pull disable")
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240410191639.526324-7-hdegoede@redhat.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
On the Toshiba WT10-A the microSD slot always reports the card being
write-protected, just like on the Toshiba WT8-B.
Add a DMI quirk to work around this.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240410191639.526324-6-hdegoede@redhat.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The Lenovo Yoga Tablet 2 Pro 1380 sdcard slot has an active high cd pin
and a broken wp pin which always reports the card being write-protected.
Add a DMI quirk to address both issues.
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240410191639.526324-5-hdegoede@redhat.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Some mmc host drivers may need to fixup a card-detection GPIO's config
to e.g. enable the GPIO controllers builtin pull-up resistor on devices
where the firmware description of the GPIO is broken (e.g. GpioInt with
PullNone instead of PullUp in ACPI DSDT).
Since this is the exception rather then the rule adding a config
parameter to mmc_gpiod_request_cd() seems undesirable, so instead
add a new mmc_gpiod_set_cd_config() function. This is simply a wrapper
to call gpiod_set_config() on the card-detect GPIO acquired through
mmc_gpiod_request_cd().
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20240410191639.526324-2-hdegoede@redhat.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
The software GRO path for esp transport mode uses skb_mac_header_rebuild
prior to re-injecting the packet via the xfrm_napi_dev. This only
copies skb->mac_len bytes of header which may not be sufficient if the
packet contains 802.1Q tags or other VLAN tags. Worse copying only the
initial header will leave a packet marked as being VLAN tagged but
without the corresponding tag leading to mangling when it is later
untagged.
The VLAN tags are important when receiving the decrypted esp transport
mode packet after GRO processing to ensure it is received on the correct
interface.
Therefore record the full mac header length in xfrm*_transport_input for
later use in corresponding xfrm*_transport_finish to copy the entire mac
header when rebuilding the mac header for GRO. The skb->data pointer is
left pointing skb->mac_header bytes after the start of the mac header as
is expected by the network stack and network and transport header
offsets reset to this location.
Fixes: 7785bba299 ("esp: Add a software GRO codepath")
Signed-off-by: Paul Davey <paul.davey@alliedtelesis.co.nz>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
1. Use devm_platform_get_and_ioremap_resource() in mtk_hdmi_ddc_probe()
2. Add GAMMA 12-bit LUT support for MT8188
3. Add 0 size check to mtk_drm_gem_obj
4. Init `ddp_comp` with devm_kcalloc()
5. Rename mtk_drm_* to mtk_*
6. Drop driver owner initialization
7. Fix mtk_dp_aux_transfer return value
8. Correct calculation formula of PHY Timing
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Merge tag 'mediatek-drm-next-6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
Mediatek DRM Next for Linux 6.10
1. Use devm_platform_get_and_ioremap_resource() in mtk_hdmi_ddc_probe()
2. Add GAMMA 12-bit LUT support for MT8188
3. Add 0 size check to mtk_drm_gem_obj
4. Init `ddp_comp` with devm_kcalloc()
5. Rename mtk_drm_* to mtk_*
6. Drop driver owner initialization
7. Fix mtk_dp_aux_transfer return value
8. Correct calculation formula of PHY Timing
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240425153859.3579-1-chunkuang.hu@kernel.org
This failed to build here after the header rework.
Fixes: 33d5ae6cac ("drm/print: drop include debugfs.h and include where needed")
Signed-off-by: Dave Airlie <airlied@redhat.com>
This fails to build with missing seq declerations.
Fixes: 9e2b84fb6c ("drm/print: drop include seq_file.h")
Signed-off-by: Dave Airlie <airlied@redhat.com>
Add PCI subdevice ID for the Intel D5005 Stratix 10 FPGA card as
used with the Open FPGA Stack (OFS) FPGA Interface Manager (FIM).
Unlike the Intel D5005 PAC FIM which exposed a separate PCI device ID,
the OFS FIM reuses the same device ID for all DFL-based FPGA cards
and differentiates on the subdevice ID. The subdevice ID values were
chosen as the numeric part of the FPGA card names in hexadecimal.
Signed-off-by: Peter Colberg <peter.colberg@intel.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20240422230257.1959-1-peter.colberg@intel.com
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
This commit adds kernel-doc style comments with complete parameter
descriptions for the function nilfs_remove_all_gcinodes.
Link: https://lkml.kernel.org/r/20240410075629.3441-4-konishi.ryusuke@gmail.com
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit adds kernel-doc style comments with complete parameter
descriptions for the function nilfs_btree_convert_and_insert.
Link: https://lkml.kernel.org/r/20240410075629.3441-3-konishi.ryusuke@gmail.com
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
