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Laurent Pinchart 35556d0e1c media: v4l2-subdev: Document and enforce .s_stream() requirements 
[ Upstream commit 009905ec50 ]

The subdev .s_stream() operation must not be called to start an already
started subdev, or stop an already stopped one. This requirement has
never been formally documented. Fix it, and catch possible offenders
with a WARN_ON() in the call_s_stream() wrapper.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Stable-dep-of: f2bf6cd8f4 ("media: v4l: Don't turn on privacy LED if streamon fails")
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-06-12 11:12:37 +02:00
..
acpi ACPI: x86: Move acpi_quirk_skip_serdev_enumeration() out of CONFIG_X86_ANDROID_TABLETS 2024-04-13 13:07:31 +02:00
asm-generic sched: Add missing memory barrier in switch_mm_cid 2024-04-27 17:11:41 +02:00
clocksource clocksource: hyper-v: Adjust hv_read_tsc_page_tsc() to avoid special casing U64_MAX 2023-06-05 21:11:07 +02:00
crypto crypto: af_alg - Disallow multiple in-flight AIO requests 2024-01-25 15:35:16 -08:00
drm drm/edid: Parse topology block for all DispID structure v1.x 2024-06-12 11:12:05 +02:00
dt-bindings clk: renesas: r8a779g0: Correct PFC/GPIO parent clocks 2024-03-26 18:19:47 -04:00
keys integrity: PowerVM support for loading third party code signing keys 2023-08-17 20:12:35 +00:00
kunit - An extensive rework of kexec and crash Kconfig from Eric DeVolder 2023-08-29 14:53:51 -07:00
kvm KVM: arm64: Fix host-programmed guest events in nVHE 2024-04-10 16:35:48 +02:00
linux eventfs/tracing: Add callback for release of an eventfs_inode 2024-06-12 11:12:35 +02:00
math-emu powerpc/math-emu: Remove -w build flag and fix warnings 2022-09-05 17:28:25 +10:00
media media: v4l2-subdev: Document and enforce .s_stream() requirements 2024-06-12 11:12:37 +02:00
memory memory: renesas-rpc-if: Remove Runtime PM wrappers 2023-01-23 11:48:00 +01:00
misc cxl: fix typo in comment 2022-11-24 23:12:19 +11:00
net Bluetooth: HCI: Remove HCI_AMP support 2024-06-12 11:11:55 +02:00
pcmcia ARM: pxa/sa1100: move I/O space to PCI_IOBASE 2022-05-07 22:56:17 +02:00
ras mm, hwpoison: enable memory error handling on 1GB hugepage 2022-08-08 18:06:44 -07:00
rdma RDMA/core: Fix umem iterator when PAGE_SIZE is greater then HCA pgsz 2023-12-13 18:45:16 +01:00
rv rv: Set variable 'da_mon_##name' to static 2023-09-01 21:00:00 -04:00
scsi scsi: sd: Fix TCG OPAL unlock on system resume 2024-04-03 15:28:59 +02:00
soc soc: qcom: socinfo: rename PM2250 to PM4125 2024-03-26 18:19:23 -04:00
sound ASoC: Intel: common: add ACPI matching tables for Arrow Lake 2024-06-12 11:11:59 +02:00
target scsi: target: iscsi: Remove the unused netif_timeout attribute 2023-07-11 12:33:32 -04:00
trace ASoC: tracing: Export SND_SOC_DAPM_DIR_OUT to its value 2024-06-12 11:12:03 +02:00
uapi tracing/user_events: Allow events to persist for perfmon_capable users 2024-06-12 11:12:11 +02:00
ufs Merge branch 'fixes' into misc 2023-09-02 08:25:19 +01:00
vdso vdso/bits.h: Add BIT_ULL() for the sake of consistency 2023-01-31 14:42:10 +01:00
video fbdev: stifb: Make the STI next font pointer a 32-bit signed offset 2023-11-28 17:19:58 +00:00
xen xen/events: reduce externally visible helper functions 2024-03-01 13:34:57 +01:00