From f4cdf7ca9a1fdcca413157df19753f388a5a224e Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Wed, 19 Aug 2026 10:09:22 -0700 Subject: Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ... --- drivers/acpi/container.c | 117 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 drivers/acpi/container.c (limited to 'drivers/acpi/container.c') diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c new file mode 100644 index 000000000..f138a4335 --- /dev/null +++ b/drivers/acpi/container.c @@ -0,0 +1,117 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * container.c - ACPI Generic Container Driver + * + * Copyright (C) 2004 Anil S Keshavamurthy (anil.s.keshavamurthy@intel.com) + * Copyright (C) 2004 Keiichiro Tokunaga (tokunaga.keiich@jp.fujitsu.com) + * Copyright (C) 2004 Motoyuki Ito (motoyuki@soft.fujitsu.com) + * Copyright (C) 2004 FUJITSU LIMITED + * Copyright (C) 2004, 2013 Intel Corp. + * Author: Rafael J. Wysocki + */ +#include +#include + +#include "internal.h" + +static const struct acpi_device_id container_device_ids[] = { + {"ACPI0004", 0}, + {"PNP0A05", 0}, + {"PNP0A06", 0}, + {"", 0}, +}; + +#ifdef CONFIG_ACPI_CONTAINER + +static int check_offline(struct acpi_device *adev, void *not_used) +{ + if (acpi_scan_is_offline(adev, false)) + return 0; + + return -EBUSY; +} + +static int acpi_container_offline(struct container_dev *cdev) +{ + /* Check all of the dependent devices' physical companions. */ + return acpi_dev_for_each_child(ACPI_COMPANION(&cdev->dev), check_offline, NULL); +} + +static void acpi_container_release(struct device *dev) +{ + kfree(to_container_dev(dev)); +} + +static int container_device_attach(struct acpi_device *adev, + const struct acpi_device_id *not_used) +{ + struct container_dev *cdev; + struct device *dev; + int ret; + + if (adev->flags.is_dock_station) + return 0; + + cdev = kzalloc_obj(*cdev); + if (!cdev) + return -ENOMEM; + + cdev->offline = acpi_container_offline; + dev = &cdev->dev; + dev->bus = &container_subsys; + dev_set_name(dev, "%s", dev_name(&adev->dev)); + ACPI_COMPANION_SET(dev, adev); + dev->release = acpi_container_release; + ret = device_register(dev); + if (ret) { + put_device(dev); + return ret; + } + adev->driver_data = dev; + return 1; +} + +static void container_device_detach(struct acpi_device *adev) +{ + struct device *dev = acpi_driver_data(adev); + + adev->driver_data = NULL; + if (dev) + device_unregister(dev); +} + +static void container_device_online(struct acpi_device *adev) +{ + struct device *dev = acpi_driver_data(adev); + + kobject_uevent(&dev->kobj, KOBJ_ONLINE); +} + +static struct acpi_scan_handler container_handler = { + .ids = container_device_ids, + .attach = container_device_attach, + .detach = container_device_detach, + .hotplug = { + .enabled = true, + .demand_offline = true, + .notify_online = container_device_online, + }, +}; + +void __init acpi_container_init(void) +{ + acpi_scan_add_handler(&container_handler); +} + +#else + +static struct acpi_scan_handler container_handler = { + .ids = container_device_ids, +}; + +void __init acpi_container_init(void) +{ + acpi_scan_add_handler_with_hotplug(&container_handler, "container"); +} + +#endif /* CONFIG_ACPI_CONTAINER */ -- cgit v1.3.1