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124124 discussions

[PATCH 1/2] hid: hid-pl: handle probe errors

by Oliver Neukum

Errors in init must be reported back or we'll follow a NULL pointer the first time FF is used. Fixes: 20eb127906709 ("hid: force feedback driver for PantherLord USB/PS2 2in1 Adapter") Cc: <stable(a)vger.kernel.org> Signed-off-by: Oliver Neukum <oneukum(a)suse.com> --- drivers/hid/hid-pl.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-pl.c b/drivers/hid/hid-pl.c index 3c8827081dea..dc11d5322fc0 100644 --- a/drivers/hid/hid-pl.c +++ b/drivers/hid/hid-pl.c @@ -194,9 +194,14 @@ static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id) goto err; } - plff_init(hdev); + ret = plff_init(hdev); + if (ret) + goto stop; return 0; + +stop: + hid_hw_stop(hdev); err: return ret; } -- 2.51.1

1 month, 3 weeks

[PATCH] drm/arcgpu: fix device node leak

by Luca Ceresoli

This function gets a device_node reference via of_graph_get_remote_port_parent() and stores it in encoder_node, but necer puts that reference. Add it. There used to be a of_node_put(encoder_node) but it has been removed by mistake during a rework in commit 3ea66a794fdc ("drm/arc: Inline arcpgu_drm_hdmi_init"). Fixes: 3ea66a794fdc ("drm/arc: Inline arcpgu_drm_hdmi_init") Cc: stable(a)vger.kernel.org Signed-off-by: Luca Ceresoli <luca.ceresoli(a)bootlin.com> --- drivers/gpu/drm/tiny/arcpgu.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c index 7cf0f0ea1bfe..c74466ea2535 100644 --- a/drivers/gpu/drm/tiny/arcpgu.c +++ b/drivers/gpu/drm/tiny/arcpgu.c @@ -250,7 +250,8 @@ DEFINE_DRM_GEM_DMA_FOPS(arcpgu_drm_ops); static int arcpgu_load(struct arcpgu_drm_private *arcpgu) { struct platform_device *pdev = to_platform_device(arcpgu->drm.dev); - struct device_node *encoder_node = NULL, *endpoint_node = NULL; + struct device_node *encoder_node __free(device_node) = NULL; + struct device_node *endpoint_node = NULL; struct drm_connector *connector = NULL; struct drm_device *drm = &arcpgu->drm; int ret; --- base-commit: 949f1fd2225baefbea2995afa807dba5cbdb6bd3 change-id: 20251119-drm-arcgpu-fix-device-node-leak-f909bc1f7fbb Best regards, -- Luca Ceresoli <luca.ceresoli(a)bootlin.com>

1 month, 3 weeks

RFQ-062573

by Thomas Pierre

Good day, I am reaching out to invite your company to provide a quotation for the products detailed in the attached request. We recognise that some of these items may not align with your usual supplies, but we expect your expertise in sourcing and supplying these products. Please note that this is a one-time tender, and we require the product and its components delivered on or before the date specified in the attached document. We anticipate your prompt response to enable us to proceed to the next step. Thank you and looking forward to reviewing your proposal soonest. Thomas Pierre Procurement Manager Phone: +1-713-564-2377 fax: +1-713-969-7350 Email: totalenergiesbids(a)contractor.net Note: This message, including any attachments, is intended solely for the use of the individual or entity to whom it is addressed and may contain confidential, proprietary, or legally privileged information. Any unauthorized review, use, disclosure, distribution, reproduction, or any form of dissemination of this communication is strictly prohibited.If you are not the intended recipient, please notify the sender immediately, delete this message from your system, and do not retain, copy, or distribute it.Please note that any views or opinions expressed in this communication are those of the sender and do not necessarily reflect the official views or policies of the company. "Please consider the environment before printing this email."

1 month, 3 weeks

I/ITSEC 2025 Attendee List Now Available

by Melissa Underwood

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1 month, 3 weeks

[PATCH] powerpc/warp: Fix error handling in pika_dtm_thread

by Ma Ke

pika_dtm_thread() acquires client through of_find_i2c_device_by_node() but fails to release it in error handling path. This could result in a reference count leak, preventing proper cleanup and potentially leading to resource exhaustion. Add put_device() to release the reference in the error handling path. Found by code review. Cc: stable(a)vger.kernel.org Fixes: 3984114f0562 ("powerpc/warp: Platform fix for i2c change") Signed-off-by: Ma Ke <make24(a)iscas.ac.cn> --- arch/powerpc/platforms/44x/warp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c index a5001d32f978..6f674f86dc85 100644 --- a/arch/powerpc/platforms/44x/warp.c +++ b/arch/powerpc/platforms/44x/warp.c @@ -293,6 +293,8 @@ static int pika_dtm_thread(void __iomem *fpga) schedule_timeout(HZ); } + put_device(&client->dev); + return 0; } -- 2.17.1

1 month, 3 weeks

[PATCH] arm64: dts: ti: k3-j721e-sk: Fix pinmux for power regulator

by Siddharth Vadapalli

Commit under Fixes added support for power regulators on the J721E SK board. However, while doing so, it incorrectly assigned a non-existent pinmux within the WKUP Pinmux region (pinctrl@4301c000) instead of using the MAIN Pinmux region (pinctrl@11c000). This leads to the following silent failure: pinctrl-single 4301c000.pinctrl: mux offset out of range: 0x1dc (0x178) The datasheet for the J721E SoC [0] specifies on page 142 that the pinmux of interest which is Ball Y1 is PADCONFIG119 and the address corresponding to it is 0x00011C1DC which belongs to the MAIN Pinmux region. Hence, fix this. [0]: https://www.ti.com/lit/ds/symlink/tda4vm.pdf Fixes: 97b67cc102dc ("arm64: dts: ti: k3-j721e-sk: Add DT nodes for power regulators") Cc: <stable(a)vger.kernel.org> Signed-off-by: Siddharth Vadapalli <s-vadapalli(a)ti.com> --- Hello, This patch is based on commit e7c375b18160 Merge tag 'vfs-6.18-rc7.fixes' of gitolite.kernel.org:pub/scm/linux/kernel/git/vfs/vfs of Mainline Linux. Regards, Siddharth. arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts index 5e5784ef6f85..77dcc160eda3 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts @@ -474,6 +474,12 @@ rpi_header_gpio1_pins_default: rpi-header-gpio1-default-pins { J721E_IOPAD(0x234, PIN_INPUT, 7) /* (U3) EXT_REFCLK1.GPIO1_12 */ >; }; + + vdd_sd_dv_pins_default: vdd-sd-dv-default-pins { + pinctrl-single,pins = < + J721E_IOPAD(0x1dc, PIN_OUTPUT, 7) /* (Y1) SPI1_CLK.GPIO0_118 */ + >; + }; }; &wkup_pmx0 { @@ -536,12 +542,6 @@ J721E_WKUP_IOPAD(0xd4, PIN_OUTPUT, 7) /* (G26) WKUP_GPIO0_9 */ >; }; - vdd_sd_dv_pins_default: vdd-sd-dv-default-pins { - pinctrl-single,pins = < - J721E_IOPAD(0x1dc, PIN_OUTPUT, 7) /* (Y1) SPI1_CLK.GPIO0_118 */ - >; - }; - wkup_uart0_pins_default: wkup-uart0-default-pins { pinctrl-single,pins = < J721E_WKUP_IOPAD(0xa0, PIN_INPUT, 0) /* (J29) WKUP_UART0_RXD */ -- 2.51.1

1 month, 3 weeks

[PATCH 6.12] uio_hv_generic: Set event for all channels on the device

by Naman Jain

From: Long Li <longli(a)microsoft.com> Hyper-V may offer a non latency sensitive device with subchannels without monitor bit enabled. The decision is entirely on the Hyper-V host not configurable within guest. When a device has subchannels, also signal events for the subchannel if its monitor bit is disabled. This patch also removes the memory barrier when monitor bit is enabled as it is not necessary. The memory barrier is only needed between setting up interrupt mask and calling vmbus_set_event() when monitor bit is disabled. This is a backport of the upstream commit d062463edf17 ("uio_hv_generic: Set event for all channels on the device") with minor modifications to resolve merge conflicts. Original change was not a fix, but it needs to be backported to fix a NULL pointer crash resulting from missing interrupt mask setting. Commit 37bd91f22794 ("uio_hv_generic: Let userspace take care of interrupt mask") removed the default setting of interrupt_mask for channels (including subchannels) in the uio_hv_generic driver, as it relies on the user space to take care of managing it. This approach works fine when user space can control this setting using the irqcontrol interface provided for uio devices. Support for setting the interrupt mask through this interface for subchannels came only after commit d062463edf17 ("uio_hv_generic: Set event for all channels on the device"). On older kernels, this change is not present. With uio_hv_generic no longer setting the interrupt_mask, and userspace not having the capability to set it, it remains unset, and interrupts can come for the subchannels, which can result in a crash in hv_uio_channel_cb. Backport the change to older kernels, where this change was not present, to allow userspace to set the interrupt mask properly for subchannels. Additionally, this patch also adds certain checks for primary vs subchannels in the hv_uio_channel_cb, which can gracefully handle these two cases and prevent the NULL pointer crashes. Signed-off-by: Long Li <longli(a)microsoft.com> Reviewed-by: Michael Kelley <mhklinux(a)outlook.com> Reviewed-by: Saurabh Sengar <ssengar(a)linux.microsoft.com> Fixes: 37bd91f22794 ("uio_hv_generic: Let userspace take care of interrupt mask") Cc: <stable(a)vger.kernel.org> # 6.12.x Signed-off-by: Naman Jain <namjain(a)linux.microsoft.com> --- drivers/uio/uio_hv_generic.c | 32 ++++++++++++++++++++++++++------ 1 file changed, 26 insertions(+), 6 deletions(-) diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c index 0b414d1168dd..aa7593cea2e3 100644 --- a/drivers/uio/uio_hv_generic.c +++ b/drivers/uio/uio_hv_generic.c @@ -65,6 +65,16 @@ struct hv_uio_private_data { char send_name[32]; }; +static void set_event(struct vmbus_channel *channel, s32 irq_state) +{ + channel->inbound.ring_buffer->interrupt_mask = !irq_state; + if (!channel->offermsg.monitor_allocated && irq_state) { + /* MB is needed for host to see the interrupt mask first */ + virt_mb(); + vmbus_set_event(channel); + } +} + /* * This is the irqcontrol callback to be registered to uio_info. * It can be used to disable/enable interrupt from user space processes. @@ -79,12 +89,15 @@ hv_uio_irqcontrol(struct uio_info *info, s32 irq_state) { struct hv_uio_private_data *pdata = info->priv; struct hv_device *dev = pdata->device; + struct vmbus_channel *primary, *sc; - dev->channel->inbound.ring_buffer->interrupt_mask = !irq_state; - virt_mb(); + primary = dev->channel; + set_event(primary, irq_state); - if (!dev->channel->offermsg.monitor_allocated && irq_state) - vmbus_setevent(dev->channel); + mutex_lock(&vmbus_connection.channel_mutex); + list_for_each_entry(sc, &primary->sc_list, sc_list) + set_event(sc, irq_state); + mutex_unlock(&vmbus_connection.channel_mutex); return 0; } @@ -95,11 +108,18 @@ hv_uio_irqcontrol(struct uio_info *info, s32 irq_state) static void hv_uio_channel_cb(void *context) { struct vmbus_channel *chan = context; - struct hv_device *hv_dev = chan->device_obj; - struct hv_uio_private_data *pdata = hv_get_drvdata(hv_dev); + struct hv_device *hv_dev; + struct hv_uio_private_data *pdata; virt_mb(); + /* + * The callback may come from a subchannel, in which case look + * for the hv device in the primary channel + */ + hv_dev = chan->primary_channel ? + chan->primary_channel->device_obj : chan->device_obj; + pdata = hv_get_drvdata(hv_dev); uio_event_notify(&pdata->info); } -- 2.34.1

1 month, 3 weeks

Buyers Of Petroleum Products Needed

by HR

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1 month, 3 weeks

[PATCH v2] arm64: dts: rockchip: orangepi-5: fix PCIe 3.3V regulator voltage

by Mykola Kvach

The vcc3v3_pcie20 fixed regulator powers the PCIe device-side 3.3V rail for pcie2x1l2 via vpcie3v3-supply. The DTS mistakenly set its regulator-min/max-microvolt to 1800000 (1.8 V). Correct both to 3300000 (3.3 V) to match the rail name, the PCIe/M.2 power requirement, and the actual hardware wiring on Orange Pi 5. Fixes: b6bc755d806e ("arm64: dts: rockchip: Add Orange Pi 5") Signed-off-by: Mykola Kvach <xakep.amatop(a)gmail.com> Reviewed-by: Michael Riesch <michael.riesch(a)collabora.com> --- Changes in v2: - add Fixes tag and Cc stable list as requested during review. --- arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts index ad6d04793b0a..83b9b6645a1e 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts +++ b/arch/arm64/boot/dts/rockchip/rk3588s-orangepi-5.dts @@ -14,8 +14,8 @@ vcc3v3_pcie20: regulator-vcc3v3-pcie20 { gpios = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>; regulator-name = "vcc3v3_pcie20"; regulator-boot-on; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <1800000>; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; startup-delay-us = <50000>; vin-supply = <&vcc5v0_sys>; }; -- 2.43.0

1 month, 3 weeks

[PATCH v3 0/3] phy: qcom: edp: Add missing ref clock to x1e80100

by Abel Vesa

According to documentation, the DP PHY on x1e80100 has another clock called ref. The current X Elite devices supported upstream work fine without this clock, because the boot firmware leaves this clock enabled. But we should not rely on that. Also, when it comes to power management, this clock needs to be also disabled on suspend. So even though this change breaks the ABI, it is needed in order to make we disable this clock on runtime PM, when that is going to be enabled in the driver. So rework the driver to allow different number of clocks, fix the dt-bindings schema and add the clock to the DT node as well. Signed-off-by: Abel Vesa <abel.vesa(a)linaro.org> --- Changes in v3: - Use dev_err_probe() on clocks parsing failure. - Explain why the ABI break is necessary. - Drop the extra 'clk' suffix from the clock name. So ref instead of refclk. - Link to v2: https://lore.kernel.org/r/20250903-phy-qcom-edp-add-missing-refclk-v2-0-d88… Changes in v2: - Fix schema by adding the minItems, as suggested by Krzysztof. - Use devm_clk_bulk_get_all, as suggested by Konrad. - Rephrase the commit messages to reflect the flexible number of clocks. - Link to v1: https://lore.kernel.org/r/20250730-phy-qcom-edp-add-missing-refclk-v1-0-6f7… --- Abel Vesa (3): dt-bindings: phy: qcom-edp: Add missing clock for X Elite phy: qcom: edp: Make the number of clocks flexible arm64: dts: qcom: Add missing TCSR ref clock to the DP PHYs .../devicetree/bindings/phy/qcom,edp-phy.yaml | 28 +++++++++++++++++++++- arch/arm64/boot/dts/qcom/x1e80100.dtsi | 12 ++++++---- drivers/phy/qualcomm/phy-qcom-edp.c | 16 ++++++------- 3 files changed, 43 insertions(+), 13 deletions(-) --- base-commit: 65dd046ef55861190ecde44c6d9fcde54b9fb77d change-id: 20250730-phy-qcom-edp-add-missing-refclk-5ab82828f8e7 Best regards, -- Abel Vesa <abel.vesa(a)linaro.org>

1 month, 3 weeks

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