Pixel 6 (Oriole) has a USB-C connector that can act as host or device.
The USB role is detected dynamically using a MAX77759 TCPCI controller,
but since there is no driver for the MAX77759, the role is defaulted to
peripheral, without any endpoints / ports.
This allows Oriole to be configured as a gadget, e.g. using configfs.
As PMIC regulators are not implemented yet, we rely on USB LDOs being
enabled by the bootloader. A placeholder regulator is used for now.
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20240429-usb-dts-gs101-v2-2-7c1797c9db80@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Add the USB 3.1 Dual Role Device (DRD) controller and USB-PHY nodes for
Google Tensor GS101.
The USB 3.1 DRD controller has the following features:
* compliant with both USB device 3.1 and USB device 2.0 standards
* compliant with USB host 3.1 and USB host 2.0 standards
* supports USB device 3.1 and USB device 2.0 interfaces
* supports USB host 3.1 and USB host 2.0 interfaces
* full-speed (12 Mbps) and high-speed (480 Mbps) modes with USB device
2.0 interface
* super-speed (5 Gbps) mode with USB device 3.1 Gen1 interface
* super-speed plus (10 Gbps) mode with USB device 3.1 Gen2 interface
* single USB port which can be used for USB 3.1 or USB 2.0
* on-chip USB PHY transceiver
* DWC3 compatible
* supports up to 16 bi-directional endpoints
* compliant with xHCI 1.1 specification
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20240429-usb-dts-gs101-v2-1-7c1797c9db80@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Enable the cmu_hsi2 clock management unit. It feeds some of
the high speed interfaces such as PCIe and UFS.
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Tudor Ambarus <tudor.ambarus@linaro.org>
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20240429-hsi0-gs101-v3-2-f233be0a2455@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Currently, we allocate a lbuf-sized kernel buffer and copy lbuf from
userspace to that buffer. Later, we use scanf on this buffer but we don't
ensure that the string is terminated inside the buffer, this can lead to
OOB read when using scanf. Fix this issue by using memdup_user_nul instead.
Fixes: a4f17cc726 ("s390/cio: add CRW inject functionality")
Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://lore.kernel.org/r/20240424-fix-oob-read-v2-5-f1f1b53a10f4@gmail.com
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
On some Samsung-based SoCs there are separate bus clocks / gates each
for each pinctrl instance. To be able to access each pinctrl instance's
registers, this bus clock needs to be running, otherwise register
access will hang. Google Tensor gs101 is one example for such an
implementation.
Update the driver to handle this optional bus clock:
* handle an optional bus clock from DT
* prepare it during driver probe
* enclose all relevant register accesses with a clock enable & disable
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20240426-samsung-pinctrl-busclock-v3-2-adb8664b8a7e@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
CMU_HSI2 is the clock management unit used for the hsi2 block.
HSI stands for High Speed Interface and as such it generates
clocks for PCIe, UFS and MMC card.
This patch adds support for the muxes, dividers, and gates in
cmu_hsi2.
The following clocks are marked CLK_IS_CRITICAL as disabling
them results in an immediate system hang.
CLK_GOUT_HSI2_HSI2_CMU_HSI2_PCLK
CLK_GOUT_HSI2_LHM_AXI_P_HSI2_I_CLK
The following clocks are marked CLK_IGNORE_UNUSED as they are
needed for UFS to be functional.
CLK_GOUT_HSI2_SSMT_HSI2_ACLK
CLK_GOUT_HSI2_SSMT_HSI2_PCLK
CLK_GOUT_HSI2_LHS_ACEL_D_HSI2_I_CLK
CLK_GOUT_HSI2_SYSMMU_HSI2_CLK_S2
CLK_GOUT_HSI2_XIU_D_HSI2_ACLK
CLK_GOUT_HSI2_XIU_P_HSI2_ACLK
CLK_GOUT_HSI2_GPIO_HSI2_PCLK is marked CLK_IGNORE_UNUSED until
the exynos pinctrl clock patches land then it can be removed.
Some clocks in this unit have very long names. To help with this
the clock name mangling strategy was updated to include removing
the following sub-strings.
- G4X2_DWC_PCIE_CTL_
- G4X1_DWC_PCIE_CTL_
- PCIE_SUB_CTRL_
- INST_0_
- LN05LPE_
- TM_WRAPPER_
- SF_
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
[AD: resolve merge conflicts]
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Reviewed-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20240429-hsi0-gs101-v3-3-f233be0a2455@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
CMU_HSI0 is the clock management unit for one of the high speed
interfaces, which is used (amongst others) for USB
Some notes about the clocks marked as CLK_IGNORE_UNUSED:
* CLK_GOUT_HSI0_PCLK
CLK_GOUT_HSI0_LHM_AXI_P_HSI0_I_CLK
CLK_GOUT_HSI0_XIU_P_HSI0_ACLK need to be kept running as
otherwise the system becomes unresponsive and it doesn't complete
booting.
* CLK_GOUT_HSI0_LHS_ACEL_D_HSI0_I_CLK
CLK_GOUT_HSI0_SSMT_USB_ACLK
CLK_GOUT_HSI0_SSMT_USB_PCLK
CLK_GOUT_HSI0_SYSMMU_USB_CLK_S2
CLK_GOUT_HSI0_XIU_D0_HSI0_ACLK
CLK_GOUT_HSI0_XIU_D1_HSI0_ACLK are needed for USB to come up
properly (SSMT is for (secure) memory tagging).
While at the moment we only support booting with the clk_ignore_unused
kernel command line paramenter, it's still worthwhile to explicitly
mark those clocks.
While the usual (sed) script has been used to derive the linux clock
names from the data sheet, one manual tweak was applied to fix a typo
coming from the data sheet which we don't want to carry:
hsi0_uspdpdbg_user -> hsi0_usbdpdbg_user (note usb vs usp).
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20240426-hsi0-gs101-v2-4-2157da8b63e3@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Add dt schema documentation and clock IDs for the High Speed Interface
2 (HSI2) clock management unit. This CMU feeds high speed interfaces
such as PCIe and UFS.
[AD: * keep CMUs in google,gs101.h sorted alphabetically
* resolve minor merge conflicts in google,gs101-clock.yaml
* s/ufs_embd/ufs s/mmc_card/mmc
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: André Draszik <andre.draszik@linaro.org>
Link: https://lore.kernel.org/r/20240429-hsi0-gs101-v3-1-f233be0a2455@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Syzkaller reports [1] hitting a warning which is caused by presence
of a wrong endpoint type at the URB sumbitting stage. While there
was a check for a specific 4th endpoint, since it can switch types
between bulk and interrupt, other endpoints are trusted implicitly.
Similar warning is triggered in a couple of other syzbot issues [2].
Fix the issue by doing a comprehensive check of all endpoints
taking into account difference between high- and full-speed
configuration.
[1] Syzkaller report:
...
WARNING: CPU: 0 PID: 4721 at drivers/usb/core/urb.c:504 usb_submit_urb+0xed6/0x1880 drivers/usb/core/urb.c:504
...
Call Trace:
<TASK>
carl9170_usb_send_rx_irq_urb+0x273/0x340 drivers/net/wireless/ath/carl9170/usb.c:504
carl9170_usb_init_device drivers/net/wireless/ath/carl9170/usb.c:939 [inline]
carl9170_usb_firmware_finish drivers/net/wireless/ath/carl9170/usb.c:999 [inline]
carl9170_usb_firmware_step2+0x175/0x240 drivers/net/wireless/ath/carl9170/usb.c:1028
request_firmware_work_func+0x130/0x240 drivers/base/firmware_loader/main.c:1107
process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
worker_thread+0x669/0x1090 kernel/workqueue.c:2436
kthread+0x2e8/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
</TASK>
[2] Related syzkaller crashes:
Link: https://syzkaller.appspot.com/bug?extid=e394db78ae0b0032cb4d
Link: https://syzkaller.appspot.com/bug?extid=9468df99cb63a4a4c4e1
Reported-and-tested-by: syzbot+0ae4804973be759fa420@syzkaller.appspotmail.com
Fixes: a84fab3cbf ("carl9170: 802.11 rx/tx processing and usb backend")
Signed-off-by: Nikita Zhandarovich <n.zhandarovich@fintech.ru>
Acked-By: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240422183355.3785-1-n.zhandarovich@fintech.ru
Fixes, which might have practical impact, however things were broken for
long enough to justify pushing it regular path:
1. ARM Juno: shorten node names for thermal zones, because Linux drivers
have strict limit of 20 characters.
2. HiSilicon: correct size of GIC GICC address space and add missing
GICH and GICV spaces, add cache info to properly describe cache
topology and solve kernel boot warning.
Several cleanups:
1. Use capital "OR" for multiple licenses in SPDX.
2. Correct white-spaces for code readability.
3. Fix W=1 dtc compiler warnings, which should not have practical
impact for Amazon, APM, Cavium, Realtek, Socionext Uniphier and
Spreadtrum like:
- missing unit addresses,
- nodes not belonging to soc node,
- not using generic node names,
- few incorrect unit addresses.
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Merge tag 'dt64-cleanup-6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-dt into soc/dt
Minor improvements in ARM64 DTS for v6.10
Fixes, which might have practical impact, however things were broken for
long enough to justify pushing it regular path:
1. ARM Juno: shorten node names for thermal zones, because Linux drivers
have strict limit of 20 characters.
2. HiSilicon: correct size of GIC GICC address space and add missing
GICH and GICV spaces, add cache info to properly describe cache
topology and solve kernel boot warning.
Several cleanups:
1. Use capital "OR" for multiple licenses in SPDX.
2. Correct white-spaces for code readability.
3. Fix W=1 dtc compiler warnings, which should not have practical
impact for Amazon, APM, Cavium, Realtek, Socionext Uniphier and
Spreadtrum like:
- missing unit addresses,
- nodes not belonging to soc node,
- not using generic node names,
- few incorrect unit addresses.
* tag 'dt64-cleanup-6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-dt: (28 commits)
arm64: dts: cavium: thunder2-99xx: drop redundant reg-names
arm64: dts: amazon: alpine-v3: correct gic unit addresses
arm64: dts: amazon: alpine-v3: drop cache nodes unit addresses
arm64: dts: amazon: alpine-v3: add missing io-fabric unit addresses
arm64: dts: amazon: alpine-v2: move non-MMIO node out of soc
arm64: dts: amazon: alpine-v2: add missing io-fabric unit addresses
arm64: dts: apm: shadowcat: move non-MMIO node out of soc
arm64: dts: apm: storm: move non-MMIO node out of soc
arm64: dts: cavium: correct unit addresses
arm64: dts: cavium: move non-MMIO node out of soc
arm64: dts: realtek: rtc16xx: add missing unit address to soc node
arm64: dts: realtek: rtd139x: add missing unit address to soc node
arm64: dts: realtek: rtd129x: add missing unit address to soc node
arm64: dts: uniphier: ld20-global: drop audio codec port unit address
arm64: dts: uniphier: ld20-global: use generic node name for audio-codec
arm64: dts: uniphier: ld11-global: drop audio codec port unit address
arm64: dts: uniphier: ld11-global: use generic node name for audio-codec
arm64: dts: sharkl3: add missing unit addresses
arm64: dts: whale2: add missing ap-apb unit address
arm64: dts: sc9860: move GIC to soc node
...
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Robert reported the following when booting a CXL host with Restricted CXL
Host (RCH) topology:
[ 39.815379] cxl_acpi ACPI0017:00: not a cxl_port device
[ 39.827123] WARNING: CPU: 46 PID: 1754 at drivers/cxl/core/port.c:592 to_cxl_port+0x56/0x70 [cxl_core]
... plus some related subsequent NULL pointer dereference:
[ 40.718708] BUG: kernel NULL pointer dereference, address: 00000000000002d8
The iterator to walk the PCIe path did not account for RCH topology.
However RCH does not support hotplug and the memory exported by the
Restricted CXL Device (RCD) should be covered by HMAT and therefore no
access_coordinate is needed. Add check to see if the endpoint device is
RCD and skip calculation.
Also add a call to cxl_endpoint_get_perf_coordinates() in cxl_test in order
to exercise the topology iterator. The dev_is_pci() check added is to help
with this test and should be harmless for normal operation.
Reported-by: Robert Richter <rrichter@amd.com>
Closes: https://lore.kernel.org/all/Ziv8GfSMSbvlBB0h@rric.localdomain/
Fixes: 592780b839 ("cxl: Fix retrieving of access_coordinates in PCIe path")
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Robert Richter <rrichter@amd.com>
Reviewed-by: Robert Richter <rrichter@amd.com>
Link: https://lore.kernel.org/r/20240426224913.1027420-1-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
- New board support: Emcraft Systems NavQ+ Kit, Toradex Colibri iMX8DX,
and S32G-VNP-RDB3 board.
- A series from Alexander Stein that adds empty DSI output endpoint to
simplify DSI connection description at board level.
- Add pinmux and I2C GPIOs to support bus recovery for LX2160A.
- Add cm40 subsystem description for i.MX8 SoCs.
- A series from Frank Li that adds ADC, LPSPI and FlexSPI devices for
imx8qm-mek board.
- Add audio devices ASRC, ESAI, SPDIF and SAI for i.MX8QXP and correct
audio LPCG index.
- A couple of changes from Ghennadi Procopciuc that add SCMI firmware
and uSDHC nodes for S32G SoC.
- A couple of imx8mp-msc-sm2s updates from Ian Ray improving I2C pad
drive strength and adding SDA/SCL GPIOs for I2C devices.
- Add PCA9451A PMIC and PCF2131 RTC support for imx93-11x11-evk board.
- A series from Lucas Stach to enable HDMI display support for i.MX8MP.
- A series from Peng Fan to improve i.MX93 support for LPI2C, LPSPI, FEC
and eQoS.
- A couple of LS1028A changes from Rob Herring to improve PCI device
description.
- A series from Shengjiu Wang adding HDMI and PDM mic sound support for
imx8mp-evk board.
- A number of i.MX8M Venice device improvements from Stefan Eichenberger,
Tim Harvey and Vitor Soares.
- A series from Xu Yang that enables USB support for imx8ulp-evk and
imx93-11x11-evk board.
- Other small and random updates on various boards.
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Merge tag 'imx-dt64-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into soc/dt
i.MX arm64 device tree for 6.10:
- New board support: Emcraft Systems NavQ+ Kit, Toradex Colibri iMX8DX,
and S32G-VNP-RDB3 board.
- A series from Alexander Stein that adds empty DSI output endpoint to
simplify DSI connection description at board level.
- Add pinmux and I2C GPIOs to support bus recovery for LX2160A.
- Add cm40 subsystem description for i.MX8 SoCs.
- A series from Frank Li that adds ADC, LPSPI and FlexSPI devices for
imx8qm-mek board.
- Add audio devices ASRC, ESAI, SPDIF and SAI for i.MX8QXP and correct
audio LPCG index.
- A couple of changes from Ghennadi Procopciuc that add SCMI firmware
and uSDHC nodes for S32G SoC.
- A couple of imx8mp-msc-sm2s updates from Ian Ray improving I2C pad
drive strength and adding SDA/SCL GPIOs for I2C devices.
- Add PCA9451A PMIC and PCF2131 RTC support for imx93-11x11-evk board.
- A series from Lucas Stach to enable HDMI display support for i.MX8MP.
- A series from Peng Fan to improve i.MX93 support for LPI2C, LPSPI, FEC
and eQoS.
- A couple of LS1028A changes from Rob Herring to improve PCI device
description.
- A series from Shengjiu Wang adding HDMI and PDM mic sound support for
imx8mp-evk board.
- A number of i.MX8M Venice device improvements from Stefan Eichenberger,
Tim Harvey and Vitor Soares.
- A series from Xu Yang that enables USB support for imx8ulp-evk and
imx93-11x11-evk board.
- Other small and random updates on various boards.
* tag 'imx-dt64-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (78 commits)
arm64: dts: imx93-11x11-evk: add RTC PCF2131 support
arm64: dts: imx93-11x11-evk: add reset gpios for ethernet PHYs
arm64: dts: imx93-11x11-evk: add sleep pinctrl for sdhc2
arm64: dts: imx93-11x11-evk: add different usdhc pinctrl for different timing usage
arm64: dts: imx93-11x11-evk: add sleep pinctrl for eqos and fec
arm64: dts: imx93-11x11-evk: update resource table address
arm64: dts: imx93: add nvmem property for eqos
arm64: dts: imx93: add nvmem property for fec1
arm64: dts: imx93: assign usdhc[1..3] root clock to 400MHz
arm64: dts: imx93: add dma support for lpspi[1..8]
arm64: dts: imx93: add dma support for lpi2c[1..8]
arm64: dts: imx93: use FSL_EDMA_RX for rx channel
arm64: dts: freescale: ls1028a: Add standard PCI device compatible strings to ENETC
arm64: dts: freescale: ls1028a: Fix embedded PCI interrupt mapping
arm64: dts: imx8qxp-mek: add cm40_i2c, wm8960 and sai[0,1,4,5]
arm64: dts: imx8mp: Align both CSI2 pixel clock
arm64: dts: freescale: imx8m[mp]-verdin: Update audio card name
arm64: dts: imx8mp: Enable HDMI on TQMa8MPxL/MBa8MPxL
arm64: dts: imx8ulp: add caam jr
arm64: dts: imx8mp-msc-sm2s: Add i2c{1,6} sda-/scl-gpios
...
Link: https://lore.kernel.org/r/20240428121247.10370-4-shawnguo2@yeah.net
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
- Better error message when prepare_ondemand_read failed;
- Fix unmount of bdev-based mode if CONFIG_EROFS_FS_ONDEMAND is on.
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Merge tag 'erofs-for-6.9-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
"Three fixes related to EROFS fscache mode. The most important two
patches fix calling kill_block_super() in bdev-based mode instead of
kill_anon_super(). The remaining patch is an informative one.
Summary:
- Better error message when prepare_ondemand_read failed
- Fix unmount of bdev-based mode if CONFIG_EROFS_FS_ONDEMAND is on"
* tag 'erofs-for-6.9-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: reliably distinguish block based and fscache mode
erofs: get rid of erofs_fs_context
erofs: modify the error message when prepare_ondemand_read failed
- New board support: Seeed Studio NPi dev board, UNI-T UTi260B thermal
camera board.
- A couple of IRQ config correction for touchscreen and RC5T619 on
tolino-shine2hd device.
- Add snvs-poweroff support for i.MX7.
- A couple of dtb_check warning fixes on i.MX6SX and i.MX6QDL ESAI.
- Enable USB support for imx6qdl-udoo and imx27-phytec.
- A big series from Uwe Kleine-König to adopt #pwm-cells = <3> for i.MX
devices.
- Other small changes and clean-ups.
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Merge tag 'imx-dt-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into soc/dt
i.MX ARM device tree for 6.10:
- New board support: Seeed Studio NPi dev board, UNI-T UTi260B thermal
camera board.
- A couple of IRQ config correction for touchscreen and RC5T619 on
tolino-shine2hd device.
- Add snvs-poweroff support for i.MX7.
- A couple of dtb_check warning fixes on i.MX6SX and i.MX6QDL ESAI.
- Enable USB support for imx6qdl-udoo and imx27-phytec.
- A big series from Uwe Kleine-König to adopt #pwm-cells = <3> for i.MX
devices.
- Other small changes and clean-ups.
* tag 'imx-dt-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (64 commits)
ARM: dts: imx6ul-pico: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6ul-kontron-bl-common: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6ul-kontron-bl-43: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6ul-isiot: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6ul-imx6ull-opos6uldev: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6ul-geam: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6ul-ccimx6ulsbcpro: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6ul-14x14-evk: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6sx-softing-vining-2000: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6sx-sdb: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6sx-nitrogen6sx: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6sll-evk: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6sl-evk: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6q-var-dt6customboard: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6q-prti6q: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6q-pistachio: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6q-novena: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6q-kp: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6qdl-skov-cpu: Use #pwm-cells = <3> for imx27-pwm device
ARM: dts: imx6qdl-savageboard: Use #pwm-cells = <3> for imx27-pwm device
...
Link: https://lore.kernel.org/r/20240428121247.10370-3-shawnguo2@yeah.net
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
priv.runtime_map is only allocated when efi_novamap is not set.
Otherwise, it is an uninitialized value. In the error path, it is freed
unconditionally. Avoid passing an uninitialized value to free_pool.
Free priv.runtime_map only when it was allocated.
This bug was discovered and resolved using Coverity Static Analysis
Security Testing (SAST) by Synopsys, Inc.
Fixes: f80d26043a ("efi: libstub: avoid efi_get_memory_map() for allocating the virt map")
Cc: <stable@vger.kernel.org>
Signed-off-by: Hagar Hemdan <hagarhem@amazon.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Clean up formatting of PCI accessor macros:
- Put return statements on own line
- Add a few empty lines for better readability
- Align macro continuation backslashes
- Correct function call argument indentation level
- Reorder variable declarations to order of use
- Drop unnecessary variable initialization
Link: https://lore.kernel.org/r/20240429094707.2529-2-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
[bhelgaas: drop initialization, tweak variables to order of use]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Both occurrences of div64_u64() just have a u8 or u32 divisor. Use
div_u64() instead. Many 32 bit architectures can optimize this variant
better than a full 64 bit divide.
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/9ba7f4e6-2b8b-44a3-9cac-9ed6e50f1700@moroto.mountain/
Signed-off-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
[pratyush@kernel.org: touched up commit message]
Signed-off-by: Pratyush Yadav <pratyush@kernel.org>
Link: https://lore.kernel.org/r/20240429121113.803703-1-mwalle@kernel.org
When the kernel is built with CONFIG_PIE_BUILD option enabled it
uses dynamic symbols, for which the linker does not allow more
than 64K number of entries. This can break features like kpatch.
Hence, whenever possible the kernel is built with CONFIG_PIE_BUILD
option disabled. For that support of unaligned symbols generated by
linker scripts in the compiler is necessary.
However, older compilers might lack such support. In that case the
build process resorts to CONFIG_PIE_BUILD option-enabled build.
Compile object files with -fPIC option and then link the kernel
binary with -no-pie linker option.
As result, the dynamic symbols are not generated and not only kpatch
feature succeeds, but also the whole CONFIG_PIE_BUILD option-enabled
code could be dropped.
[ agordeev: Reworded the commit message ]
Suggested-by: Ulrich Weigand <ulrich.weigand@de.ibm.com>
Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Sections .hash and .gnu.hash are only created when CONFIG_PIE_BUILD
option is enabled. Drop these for the case CONFIG_PIE_BUILD is disabled.
[ agordeev: Reworded the commit message ]
Fixes: 778666df60 ("s390: compile relocatable kernel without -fPIE")
Suggested-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Using __builtin_return_address(n) might return undefined values
when used with values of n outside of the stack. This was noticed
when __builtin_return_address() was called in ftrace on top level
functions like the interrupt handlers.
As this behaviour cannot be fixed, use the s390 stack unwinder and
remove the ftrace compilation flags for unwind_bc.c and stacktrace.c
to prevent the unwinding function polluting function traces.
Another advantage is that this also works with clang.
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
The S/390 architecture doesn't support SMBIOS, so CONFIG_DMI will
never be defined there. So we can simply omit these preprocessing
directives and speed up the build a bit.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Niklas Schnelle <schnelle@linux.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@linux.ibm.com>
Acked-by: Niklas Schnelle <schnelle@linux.ibm.com>
Link: https://lore.kernel.org/r/20240423162724.3966265a@endymion.delvare
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
A few if conditions align misleadingly with the following code block. The
checks are really cascading NULL checks that fit into 80 chars so remove
newlines in between and realign to the if condition indent.
Link: https://lore.kernel.org/r/20240429094707.2529-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
gcc's -Warray-bounds warned about an out-of-bounds access to
the entry array contained in struct os_info. This doesn't trigger
a bug right now because there's a large reserved space after the
array. Nevertheless fix this, and also add a BUILD_BUG_ON to make
sure struct os_info is always exactly on page in size.
Fixes: f4cac27dc0 ("s390/crash: Use old os_info to create PT_LOAD headers")
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
The commit be42660d0c13 ("s390/crash: use old os_info to create PT_LOAD headers")
introduced use of the old os_info into standalone dump kernel.
Before this change os_info_old_init() expected to be called only from
a regular kdump kernel although the function itself is able to work
in standalone dump kernels as well (because copy_oldmem_kernel() is able
to handle both use cases). Therefore, fix the expectation of os_info_old_init()
and enable it to be called from a standalone dump kernel.
Fixes: f4cac27dc0 ("s390/crash: Use old os_info to create PT_LOAD headers")
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
The documentation for device_get_named_child_node() mentions this
important point:
"
The caller is responsible for calling fwnode_handle_put() on the
returned fwnode pointer.
"
Add fwnode_handle_put() to avoid a leaked reference.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Fixes: 08c2a4bc9f ("ALSA: hda: move Intel SoundWire ACPI scan to dedicated module")
Message-ID: <20240426152731.38420-1-pierre-louis.bossart@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
bits_per() rounds up to the next power of two when passed a power of
two. This causes crashes on some machines and configurations.
Reported-by: Михаил Новоселов <m.novosyolov@rosalinux.ru>
Tested-by: Ильфат Гаптрахманов <i.gaptrakhmanov@rosalinux.ru>
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/3347
Link: https://lore.kernel.org/all/1c978cf1-2934-4e66-e4b3-e81b04cb3571@rosalinux.ru/
Fixes: f2d5dcb48f (bounds: support non-power-of-two CONFIG_NR_CPUS)
Cc: <stable@vger.kernel.org>
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
This is less verbose.
Link: https://lkml.kernel.org/r/f82e013abe4c71f1c7d06819f96472f298acdcf3.1713089554.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Peter Rosin <peda@axentia.se>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
This is less verbose.
Link: https://lkml.kernel.org/r/9f681747d446b874952a892491387d79ffe565a9.1713089394.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Rodolfo Giometti <giometti@enneenne.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().
This is less verbose.
Link: https://lkml.kernel.org/r/2aca50a9d061faecfd4ded80b5874cd3be9b855d.1713086613.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
'struct snd_sof_dsp_ops' is not modified by core code, so it can be made
const for increased code safety.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-14-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
'struct snd_sof_dsp_ops' is not modified by core code, so it can be made
const for increased code safety.
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-13-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
'struct snd_sof_dsp_ops' is not modified by core code, so it can be made
const for increased code safety.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-12-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
'struct snd_sof_dsp_ops' is not modified by core code, so it can be made
const for increased code safety.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-11-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
'struct snd_sof_dsp_ops' is not modified by core code, so it can be made
const for increased code safety.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-10-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
'struct snd_sof_dsp_ops' is not modified by core code, so it can be made
const for increased code safety.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-9-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
'struct snd_sof_dsp_ops' is not modified by core code, so it can be made
const for increased code safety.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-8-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
'struct snd_sof_dsp_ops' is not modified by core code, so it can be made
const for increased code safety.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-7-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
'struct snd_sof_dsp_ops' is not modified by core code, so it can be made
const for increased code safety.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-6-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
'struct snd_sof_dsp_ops' is not modified by core code, so it can be made
const for increased code safety.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-5-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
The core code does not modify the 'struct snd_sof_dsp_ops', stored in
'struct sof_dev_desc'. Make the pointer to 'struct snd_sof_dsp_ops'
const to annotate this, make code a bit safer and allow individual
drivers to also define this structure as const.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-4-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Constify the pointer to 'struct snd_sof_dsp_ops' to annotate that
functioon does not modify pointed data.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-3-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Constify the pointer to 'struct snd_sof_dsp_ops' to annotate that
functioon does not modify pointed data.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-2-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Constify the pointer to 'struct snd_sof_dsp_ops' to annotate that
functioon does not modify pointed data.
Tested-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20240426-n-const-ops-var-v2-1-e553fe67ae82@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
