Currently, ieee80211_rx_data_set_sta() does not correctly handle the
case where the interface supports multiple links (MLO), but the station
does not (non-MLO). This can lead to incorrect link assignment or
unexpected warnings when accessing link information.
Hence, add a fix to check if the station lacks valid link support and
use its default link ID for rx->link assignment. If the station
unexpectedly has valid links, fall back to the default link.
This ensures correct link association and prevents potential issues
in mixed MLO/non-MLO environments.
Signed-off-by: Hari Chandrakanthan <quic_haric@quicinc.com>
Signed-off-by: Sarika Sharma <quic_sarishar@quicinc.com>
Link: https://patch.msgid.link/20250630084119.3583593-1-quic_sarishar@quicinc.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Tonghao Zhang says:
====================
add broadcast_neighbor for no-stacking networking arch
For no-stacking networking arch, and enable the bond mode 4(lacp) in
datacenter, the switch require arp/nd packets as session synchronization.
More details please see patch.
Cc: Jay Vosburgh <jv@jvosburgh.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Simon Horman <horms@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Nikolay Aleksandrov <razor@blackwall.org>
Cc: Zengbing Tu <tuzengbing@didiglobal.com>
====================
Link: https://patch.msgid.link/cover.1751031306.git.tonghao@bamaicloud.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
In LACP mode with broadcast_neighbor enabled, after LACP protocol
recovery, the port can transmit packets. However, if the bond port
doesn't send gratuitous ARP/ND packets to the switch, the switch
won't return packets through the current interface. This causes
traffic imbalance. To resolve this issue, when LACP protocol recovers,
send ARP/ND packets if broadcast_neighbor is enabled.
Cc: Jay Vosburgh <jv@jvosburgh.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Simon Horman <horms@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Tonghao Zhang <tonghao@bamaicloud.com>
Signed-off-by: Zengbing Tu <tuzengbing@didiglobal.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/3993652dc093fffa9504ce1c2448fb9dea31d2d2.1751031306.git.tonghao@bamaicloud.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
User can config or display the bonding broadcast_neighbor option via
iproute2/netlink.
Cc: Jay Vosburgh <jv@jvosburgh.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Simon Horman <horms@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Tonghao Zhang <tonghao@bamaicloud.com>
Signed-off-by: Zengbing Tu <tuzengbing@didiglobal.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/76b90700ba5b98027dfb51a2f3c5cfea0440a21b.1751031306.git.tonghao@bamaicloud.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Stacking technology is a type of technology used to expand ports on
Ethernet switches. It is widely used as a common access method in
large-scale Internet data center architectures. Years of practice
have proved that stacking technology has advantages and disadvantages
in high-reliability network architecture scenarios. For instance,
in stacking networking arch, conventional switch system upgrades
require multiple stacked devices to restart at the same time.
Therefore, it is inevitable that the business will be interrupted
for a while. It is for this reason that "no-stacking" in data centers
has become a trend. Additionally, when the stacking link connecting
the switches fails or is abnormal, the stack will split. Although it is
not common, it still happens in actual operation. The problem is that
after the split, it is equivalent to two switches with the same
configuration appearing in the network, causing network configuration
conflicts and ultimately interrupting the services carried by the
stacking system.
To improve network stability, "non-stacking" solutions have been
increasingly adopted, particularly by public cloud providers and
tech companies like Alibaba, Tencent, and Didi. "non-stacking" is
a method of mimicing switch stacking that convinces a LACP peer,
bonding in this case, connected to a set of "non-stacked" switches
that all of its ports are connected to a single switch
(i.e., LACP aggregator), as if those switches were stacked. This
enables the LACP peer's ports to aggregate together, and requires
(a) special switch configuration, described in the linked article,
and (b) modifications to the bonding 802.3ad (LACP) mode to send
all ARP/ND packets across all ports of the active aggregator.
Note that, with multiple aggregators, the current broadcast mode
logic will send only packets to the selected aggregator(s).
+-----------+ +-----------+
| switch1 | | switch2 |
+-----------+ +-----------+
^ ^
| |
+-----------------+
| bond4 lacp |
+-----------------+
| |
| NIC1 | NIC2
+-----------------+
| server |
+-----------------+
- https://www.ruijie.com/fr-fr/support/tech-gallery/de-stack-data-center-network-architecture/
Cc: Jay Vosburgh <jv@jvosburgh.net>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Simon Horman <horms@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: Tonghao Zhang <tonghao@bamaicloud.com>
Signed-off-by: Zengbing Tu <tuzengbing@didiglobal.com>
Link: https://patch.msgid.link/84d0a044514157bb856a10b6d03a1028c4883561.1751031306.git.tonghao@bamaicloud.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This patch add acpi matching support for the rt1320 left and right
amplifiers on soundwire link 1 and 2, and the rt714 dmic on
soundwire link 0.
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20250708080030.1257790-5-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This patch adds support for rt721 on Soundwire Link 0.
Signed-off-by: Mac Chiang <mac.chiang@intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20250708080030.1257790-4-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Adding HDMI-In capture via I2S feature support in PTL platform.
Signed-off-by: Balamurugan C <balamurugan.c@intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20250708080030.1257790-3-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Adding ES83x6 I2S codec support for PTL platforms and entry in match table.
Signed-off-by: Balamurugan C <balamurugan.c@intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://patch.msgid.link/20250708080030.1257790-2-yung-chuan.liao@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
snd_soc_component_set_bias_level() (A) which will call .set_bias_level()
callback (B) will be called from snd_soc_dapm_force_bias_level() (C) only,
and it sets dapm->bias_level (D) inside. No need to set it by each driver.
Remove it.
(A) int snd_soc_component_set_bias_level(...)
{
...
if (component->driver->set_bias_level)
(B) ret = component->driver->set_bias_level(...);
...
}
(C) int snd_soc_dapm_force_bias_level(...)
{
...
if (dapm->component)
(A) ret = snd_soc_component_set_bias_level(...);
if (ret == 0)
(D) dapm->bias_level = level;
...
}
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87plebmmax.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
snd_soc_component_set_bias_level() (A) which will call .set_bias_level()
callback (B) will be called from snd_soc_dapm_force_bias_level() (C) only,
and it sets dapm->bias_level (D) inside. No need to set it by each driver.
Remove it.
(A) int snd_soc_component_set_bias_level(...)
{
...
if (component->driver->set_bias_level)
(B) ret = component->driver->set_bias_level(...);
...
}
(C) int snd_soc_dapm_force_bias_level(...)
{
...
if (dapm->component)
(A) ret = snd_soc_component_set_bias_level(...);
if (ret == 0)
(D) dapm->bias_level = level;
...
}
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87qzyrmmb2.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
irq_domain_create_simple() takes fwnode as the first argument. It can be
extracted from the struct device using dev_fwnode() helper instead of
using of_node with of_fwnode_handle().
So use the dev_fwnode() helper.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Qiang Zhao <qiang.zhao@nxp.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxppc-dev@lists.ozlabs.org
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/linuxppc-dev/20250611104348.192092-19-jirislaby@kernel.org/
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
The combination of spinlock_t lock and seqcount_spinlock_t seq
in struct fs_struct is an open-coded seqlock_t (see linux/seqlock_types.h).
Combine and switch to equivalent seqlock_t primitives. AFAICS,
that does end up with the same sequence of underlying operations in all
cases.
While we are at it, get_fs_pwd() is open-coded verbatim in
get_path_from_fd(); rather than applying conversion to it, replace with
the call of get_fs_pwd() there. Not worth splitting the commit for that,
IMO...
A bit of historical background - conversion of seqlock_t to
use of seqcount_spinlock_t happened several months after the same
had been done to struct fs_struct; switching fs_struct to seqlock_t
could've been done immediately after that, but it looks like nobody
had gotten around to that until now.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Link: https://lore.kernel.org/20250702053437.GC1880847@ZenIV
Acked-by: Ahmed S. Darwish <darwi@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Downloading regulatory "firmware" needs a device to hang off of, and so
a platform device seemed like the simplest way to do this. Now that we
have a faux device interface, use that instead as this "regulatory
device" is not anything resembling a platform device at all.
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: <linux-wireless@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://patch.msgid.link/2025070116-growing-skeptic-494c@gregkh
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This reverts commit 69505fe98f.
Initially, conditional lock acquisition was removed to fix an xfstest bug
that was observed during internal testing. The deadlock reported by syzbot
is resolved by reintroducing conditional acquisition. The xfstest bug no
longer occurs on kernel version 6.16-rc1 during internal testing. I
assume that changes in other modules may have contributed to this.
Fixes: 69505fe98f ("fs/ntfs3: Replace inode_trylock with inode_lock")
Reported-by: syzbot+a91fcdbd2698f99db8f4@syzkaller.appspotmail.com
Suggested-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
tools/scripts/Makefile.include now has the same override,
removing the need for the one in the nolibc Makefile.
Drop the superfluous custom override.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Link: https://lore.kernel.org/r/20250620-tools-cross-s390-v2-2-ecda886e00e5@linutronix.de
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
The heuristic to derive a clang target triple from a GCC one does not work
for s390. GCC uses "s390-linux" while clang expects "s390x-linux" or
"powerz-linux".
Add an explicit override.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Link: https://lore.kernel.org/r/20250620-tools-cross-s390-v2-1-ecda886e00e5@linutronix.de
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
The pixel_array control size was calculated incorrectly:
the dimensions were swapped (dims[0] should be the height), and the
values should be the width or height divided by PIXEL_ARRAY_DIV
and rounded up. So don't use roundup, but use DIV_ROUND_UP instead.
This bug is harmless in the sense that nothing will break, except that
it consumes way too much memory for this control.
Fixes: 6bc7643d1b ("media: vivid: add pixel_array test control")
Cc: <stable@vger.kernel.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Use hverkuil@kernel.org as the main address for kernel work.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
struct gpio_chip now has callbacks for setting line values that return
an integer, allowing to indicate failures. Convert the driver to using
them.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20250610-gpiochip-set-rv-soc-v1-1-1a0c36c9deed@linaro.org
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Continue the cleanup of the AtomISP driver, as discussed with Hans and Andy
in [1].
Tackle TODO item: "Remove custom sysfs files created by atomisp_drvfs.c":
- Remove the sysfs attributes `dbglvl`, `dbgfun`, and `dbgopt`.
- Delete their associated show/store handler functions.
- Remove the corresponding attribute group definitions.
Link: https://lore.kernel.org/all/836dc6b6-2821-47fc-8f24-0838f979af76@kernel.org/ [1]
Suggested-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Abdelrahman Fekry <abdelrahmanfekry375@gmail.com>
Link: https://lore.kernel.org/r/20250704161051.16733-1-abdelrahmanfekry375@gmail.com
[hansg@kernel.org: Completely remove the now empty atomisp_drvfs files]
Reviewed-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The HMM_BO_DEVICE_INITED flag was being set in hmm_bo_device_init()
before key initialization steps like kmem_cache_create(),
kmem_cache_alloc(), and __bo_init().
This means that if any of these steps fail, the flag remains set,
misleading other parts of the driver (e.g. hmm_bo_alloc())
into thinking the device is initialized. This could lead
to undefined behavior or invalid memory use.
Additionally, since __bo_init() is called from inside
hmm_bo_device_init() after the flag was already set, its internal
check for HMM_BO_DEVICE_INITED is redundant.
- Move the flag assignment to the end after all allocations succeed.
- Remove redundant check of the flag inside __bo_init()
See the link [1] below for a backtrace which happens when deliberately
triggering the problem of the flag getting set too early.
Link: https://lore.kernel.org/linux-media/CAGn2d8ONZpOHXex8kjeUDgRPiMqKp8vZ=xhGbEDGphV1t7ZEFw@mail.gmail.com/ [1]
Signed-off-by: Abdelrahman Fekry <abdelrahmanfekry375@gmail.com>
Link: https://lore.kernel.org/r/20250628052536.43737-1-abdelrahmanfekry375@gmail.com
Reviewed-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The sysfs attributes active_bo and free_bo expose internal buffer
state used only for debugging purposes. These are not part of
any standard kernel ABI, and need to be removed before this
driver may be moved out of drivers/staging.
- Remove active_bo and free_bo attributes
- Remove group registration calls form hmm_init() and hmm_cleanup()
Suggested-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Abdelrahman Fekry <abdelrahmanfekry375@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/20250627100604.29061-1-abdelrahmanfekry375@gmail.com
Reviewed-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
After recent cleanups the few macros become unused. Remove them.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250519155028.526453-4-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hansg@kernel.org>
Tested-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Replace rarely used macros by generic ones from Linux kernel headers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250519155028.526453-3-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hansg@kernel.org>
Tested-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
There are some unused definitions that are using macros from
math_support.h. In order to have cleaner future changes, remove them first.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250519155028.526453-2-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hansg@kernel.org>
Tested-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reorder const qualifier in array declaration.
Signed-off-by: Thomas Andreatta <thomas.andreatta2000@gmail.com>
Link: https://lore.kernel.org/r/20250619084420.146151-4-thomas.andreatta2000@gmail.com
Reviewed-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reorder const qualifier in array declaration.
Signed-off-by: Thomas Andreatta <thomas.andreatta2000@gmail.com>
Link: https://lore.kernel.org/r/20250619084420.146151-3-thomas.andreatta2000@gmail.com
Reviewed-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Checkpatch fix: deleted `dev_dbg()` printing the name of the function.
ftrace can be used instead.
Signed-off-by: Thomas Andreatta <thomas.andreatta2000@gmail.com>
Link: https://lore.kernel.org/r/20250619084420.146151-2-thomas.andreatta2000@gmail.com
Reviewed-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Hans de Goede <hansg@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The g_skip_frames sensor-op is obsolete, drop it.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-23-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
On raw camera sensors the framerate is controlled through vblank
(and optional) hblank controls.
Having a get_frame_interval makes no sense in this case, drop it.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-22-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
The i2c-client's power-domain has already been powered up when probe()
gets called. So e.g. ACPI resources for regulators and clks have
already been enabled and only the GPIOs need to be set to the on state.
Instead of calling pm_runtime_set_suspended() while the domain is
already powered up and then have detect() do a pm_runtime_get()
to set the GPIOs do the following:
1. Call gc0310_power_on() to only set the GPIOs
2. Set the device's runtime-PM state to active instead of suspended
3. Avoid the device getting suspended as soon as pm_runtime_enable()
gets called by calling pm_runtime_get() before _enable(), this means
moving the pm_runtime_get() / _put() from detect() to probe ()
This fixes power_on() not getting called when runtime-PM is not
enabled in the Kconfig and this keeps the sensor powered-up while
registering it avoiding unnecessary power cycles.
Also modify gc0310_remove() to power-off the device if it is in
active state when gc0310_remove() runs.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-21-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Move the suspend()/resume() functions to above gc0310_detect() and rename
the functions to power_off()/power_on().
No functional changes, this is a preparation patch for reworking
the runtime-pm handling in probe() and remove().
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-20-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Stop having a v4l2_mbus_framefmt mode.fmt driver-data member to store
the fmt for the active-state, instead use sd.active_state fmt.
This also removes the need for gc0310_get_pad_format() since
v4l2_subdev_state_get_format() now will return the correct
v4l2_mbus_framefmt for all whence values.
Instead of switching gc0310_set_fmt() from gc0310_get_pad_format() to
v4l2_subdev_state_get_format() just drop it entirely since there is only
1 fixed mode. Otherwise the new gc0310_set_fmt() would be 100% the same
as v4l2_subdev_get_fmt() after this.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-19-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Now that the sd-state's fmt is properly initialized by
internal_ops.init_state(), the driver can be safely switched
to v4l2_subdev_get_fmt().
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-18-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Implement internal_ops.init_state to fill in the v4l2_mbus_framefmt
struct in newly allocated sd-state structs.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-17-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Switch to using the sub-device state lock and properly call
v4l2_subdev_init_finalize() / v4l2_subdev_cleanup() on probe() /
remove().
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-16-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Switch from s_stream() to enable_streams() and disable_streams() pad
operations. They are preferred and required for streams support.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-15-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
is_streaming is only set and never read, drop it.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-14-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Reduce the unnecessary long msleep(100) done on stream start to 10 ms and
move this to gc0310_resume() so that it is also done on the initial
power-up done by gc0310_detect(), which should fix gc0310_detect()
sometimes failing.
While at it switch the sleeps from msleep() / usleep_range() to fsleep().
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-13-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add a check_hwcfg() function to check if the external clk-freq, CSI
link-freq and lane-count match the driver's expectations.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-12-hansg@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
When an exposure value > (mode-height + vblank) gets set the sensor will
automatically increase vblank, lowering the framerate.
This is not desirable, limit exposure the maximum exposure to mode-height +
vblank to avoid the unwanted framerate slowdown.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-11-hdegoede@redhat.com
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add camera orientation and sensor rotation controls using
the v4l2_fwnode_device_parse() and v4l2_ctrl_new_fwnode_properties()
helpers.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-10-hdegoede@redhat.com
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add support for the vblank and hblank controls, these controls
are mandatory for using the sensor driver with libcamera.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-9-hdegoede@redhat.com
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add support for the pixelrate control as expected by libcamera,
while at it also add the link-frequency control.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-8-hdegoede@redhat.com
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Add support for the selection API as expected by libcamera.
Note the driver only supports a single fixed resolution and
no cropping, so this is a simple read-only implementation.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20250517114106.43494-7-hdegoede@redhat.com
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
