Extend the component settings used in MT8195 MDP3.
Additionally, it is crucial to read all component settings in
a specific manner to ensure that shared memory data structure lengths
are aligned across different platforms.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The configuration of the MT8195 components in the shared memory
is defined in the header file "mdp_sm_mt8195.h".
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Add MT8195 MDP3 basic configuration in file "mdp_cfg_data.c"
and corresponding driver data.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Certain chips can combine several components to form complex virtual
units with advanced functions.
These components require simultaneous configuration of their MODs and
clocks.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Support for multiple RDMA/WROT waits for GCE events.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The amount of MDP3 driver probes is determined by the registered
clocks of MMSYS.
Since MT8195 MDP3 utilizes VPPSYS0 and VPPSYS1, it's necessary to
prevent multiple driver registrations.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Some components act as bridges only and do not require full configuration.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Add configuration of more components in MT8195 MDP3.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Increasing the number of sets built by MMSYS and MUTEX in MT8195
will enable the creation of more pipelines in MDP3.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
After setting up the second set of MMSYS (VPPSYS1), it is necessary
to have a corresponding second set of MUTEX (MUTEX2) to assist in
handling SOF/EOF.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The MT8195 chipset features two MMSYS subsets: VPPSYS0 and VPPSYS1.
These subsets coordinate and control the clock, power, and
register settings required for the components of MDP3.
Signed-off-by: Moudy Ho <moudy.ho@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Remove the TODO items for using the main (drivers/media/i2c) ov2680 and
ov5693 drivers and removing the atomisp specific ones, this has been done.
Remove the TODO item for gracefully handling missing firmware the
"media: atomisp: Bind and do power-management without firmware" changes
have fixed this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Remove unnecessary msleep(10) from atomisp_mrfld_power() error-exit path,
the success exit from atomisp_mrfld_power() happens if a test succeeds
inside the do { } while loop above the msleep().
The error-exit path with the removed msleep is only hit it the power-on is
not reflected in the iUNIT ISPSSPM0 status bits after a timeout of 50 ms.
Sleeping an extra 10 ms in the timeout path makes little sense.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The ISP needs to be turned off in a special manner for the SoC
to be able to reach S0i3 during suspend.
When the firmware is missing still bind to the PCI device and
run in pm-only mode which takes care of turning the ISP off
(including turning it off again if the firmware has turned it
on during resume).
In this new pm-only mode the atomisp driver works exactly the same
as the non-staging, pm-only drivers/platform/x86/intel/atomisp2/pm.c
driver.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Move the power-management setup and cleanup code into
atomisp_pm_[un]init() helper functions.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
sysfs attributes preferably should not be manually be registered but
instead the driver.groups / driver.dev_groups driver struct members
should be used to have the driver core handle this in a race free
manner.
Using driver.groups would be the most direct replacement for
driver_[add|remove]_file, but some of the attributes actually need access
to the struct atomisp_device (*), so as part of modernizing this part of
the atomisp driver this change also makes the sysfs attribute device
attributes instead of driver attributes.
*) Before this change accessing these attributes without the driver having
bound would result in a NULL pointer deref, this commit fixes this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Fix probe()/remove() power-management:
-Currently the driver uses pm_runtime_put_noidle() and relies on
userspace to open + close the /dev/video# node at least once to
actually turn the ISP off. Replace the pm_runtime_put_noidle()
with pm_runtime_put_sync() to make sure that the device is turned
off without relying on userspace for this.
This also ensures that atomisp_css_init() is run (by atomisp_power_on())
if the first userspace process opening /dev/video# wants to do more then
just query the v4l2-caps.
As part of this change move the pm setup code in probe() to just before
calling v4l2_async_nf_register() which registers the /dev/* nodes, so
that the device is left on for the entirety of the probe() function.
-Remove the turning off of the atomisp from the exit-error path,
the PCI subsystem and subsequent probe() attempts expect the device
to be in the on state when probe() fails.
This also fixes the atomisp driver causing the system to hang / freeze
when its firmware is missing. This freeze is caused by an unidentified
bug in the power-off on exit-error code which is now removed.
-Make sure that remove() properly powers on the device by replacing
pm_runtime_get_noresume() with pm_runtime_get_sync. The PCI subsystem
and subsequent probe() attempts expect the device to be in the on state
after unbinding the driver.
-Note this also swaps the order of put()/allow() and forbid()/get()
so that the sync versions actually work by calling allow() before put()
and forbid() after get()
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Group the cpu_latency_qos_add_request() call in probe() together with
the other PM calls in probe().
This is a preparation patch for futher PM fixes / work.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Fix atomisp_pci_remove():
-Remove uninformative "Removing atomisp driver" log message
-Add missing devm_free_irq(), atomisp_uninitialize_modules() and
pci_free_irq_vectors() calls
-Move atomisp_msi_irq_uninit() down so that the remove() order is
an exact mirror of the probe() order
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Fix probe error-exit path:
-Add a missing ia_css_unload_firmware() call when v4l2_async_nf_register()
fails
-Add a missing pm_runtime_forbid() call to undo the pm_runtime_allow() call
-Remove the unnecessary pcim_iounmap_regions() those are devm managed
so they will get cleaned up automatically on an error exit from probe()
-Rename the labels to avoid having multiple labels pointing to the same
place in the error-exit path
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
ATM the atomisp firmware is not available in linux-firmware,
so most users will not have it installed.
Move pcim_enable_device() and pcim_iomap_regions() down in
atomisp_pci_probe() so that they are never called when the firmware
is not there.
This is a preparation patch for making the atomisp driver handle
missing firmware better.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Now that a single build supports both the ISP 2400 and the ISP 2401
this function is no longer necessary. The main probe() already
contains a similar switch (id->device & ATOMISP_PCI_DEVICE_SOC_MASK)
checking for a known device_id.
Move the revision check into the main probe() and drop
the is_valid_device() function.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
There is a bunch of dead code left from the deferred firmware loading
support which was removed in commit 8972ed6ea7 ("media: atomisp: Remove
deferred firmware loading support").
Remove this dead code:
- Remove the skip_fwload module parameter
- Remove the now always NULL fw argument from ia_css_init()
- Remove the fw_explicitly_loaded boolean from sh_css.c
(this was always true now)
- Adjust some function kernel-doc comments to match
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
sensor drivers do not implement the s_routing subdev call, so there is
no use in calling it.
Also the 3 0 arguments are not the arguments which a successful
s_routing call is supposed to take.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
codespell reported spelling mistakes in
ia_css_acc_types.h as below:
'''
ia_css_acc_types.h:87: cummulative ==> cumulative
ia_css_acc_types.h:411: descibes ==> describes
'''
This patch fixes these spelling mistakes.
Word "cummulative" is changed to "accumulation"
and "descibes" to "describes".
Link: https://lore.kernel.org/r/20231223141157.95501-1-kdipendra88@gmail.com
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
codespell reported following spelling mistake
in rmgr_vbuf.cas below:
'''
./runtime/rmgr/src/rmgr_vbuf.c:201: succes ==> success
./runtime/rmgr/src/rmgr_vbuf.c:211: succes ==> success
./runtime/rmgr/src/rmgr_vbuf.c:215: succes ==> success
'''
This patch fixes these spelling mistakes.
It is good to use variable name that gives
proper meaning and spelling error free.
Link: https://lore.kernel.org/r/20231223072245.81630-1-kdipendra88@gmail.com
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
codespell reported following spelling mistake
in sh_css_mipi.c as below:
'''
./sh_css_mipi.c:177: separatelly ==> separately
./sh_css_mipi.c:540: ofset ==> offset, of set
'''
This patch fixes these spelling mistakes by changing
"separatelly" to "separately" and "ofset" to "offset".
Link: https://lore.kernel.org/r/20231223064152.79712-1-kdipendra88@gmail.com
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
codespell reported following spelling mistake
in ia_css_circbuf.h as below:
'''
./base/circbuf/interface/ia_css_circbuf.h:76: poistion ==> position
'''
This patch fixes this spelling mistake.
Link: https://lore.kernel.org/r/20231223061647.78669-1-kdipendra88@gmail.com
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The script checkpatch.pl reported a spelling error
in isp2400_input_system_global.h as below:
'''
WARNING: 'upto' may be misspelled - perhaps 'up to'?
//MIPI allows upto 4 channels.
^^^^
'''
This patch corrects a spelling error,
changing "upto" to "up to".
Link: https://lore.kernel.org/r/20231222201503.2337-1-kdipendra88@gmail.com
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The script checkpatch.pl reported repeated
word 'of' in isp2400_input_system_public.h
as below:
'''
WARNING: Possible repeated word: 'of'
/*! Read from a control register PORT[port_ID] of of RECEIVER[ID]
'''
This patch removes one 'of'.
Link: https://lore.kernel.org/r/20231222194036.1984-1-kdipendra88@gmail.com
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
There are several variables that are being initialized with values
that are never read, the assignment are redundant and can be removed.
Cleans up cppcheck unreadVariable warnings.
Link: https://lore.kernel.org/r/20231219143929.367929-1-colin.i.king@gmail.com
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The script checkpatch.pl reported a spelling error
in sh_css_defs.h as below:
'''
WARNING: 'upto' may be misspelled - perhaps 'up to'?
/* The FPGA system (vec_nelems == 16) only supports upto 5MP */
^^^^
'''
This patch corrects a spelling error,
changing "upto" to "up to".
Link: https://lore.kernel.org/r/20231218153200.450148-1-kdipendra88@gmail.com
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The script checkpatch.pl reported spelling errors
in ia_css_irq.h as below:
'''
WARNING: Possible repeated word: 'in'
/** the input system in in error */
WARNING: Possible repeated word: 'in'
/** the input formatter in in error */
WARNING: Possible repeated word: 'in'
/** the dma in in error */
'''
This patch corrects spelling errors,
changing "in" to "is" in all three comments.
Link: https://lore.kernel.org/r/20231218151704.449883-1-kdipendra88@gmail.com
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Fixed the following issues:
* Removed a duplicate comment
* Fixed up minor comment format issue
Link: https://lore.kernel.org/r/20231014083545.173238-1-bergh.jonathan@gmail.com
Signed-off-by: Jonathan Bergh <bergh.jonathan@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
There are 3 code-paths all of 3 which need to do:
1. Get try or active state
2. lock state
3. Call atomisp_set_crop()
4. Call v4l2_subdev_call(input->camera, pad, set_fmt, state, fmt)
5. unlock state
Change atomisp_set_crop into atomisp_set_crop_and_fmt() which does all of
this and change the 3 code-paths which need this to use the new
atomisp_set_crop_and_fmt() function.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
The atomisp driver emulates a standard v4l2 device, which also works
for non media-controller aware applications.
Part of this requires making try_fmt calls on the sensor when
a normal v4l2 app is making try_fmt calls on the /dev/video# mode.
With the recent v4l2_subdev_state handling changes in 6.8 this no longer
works, fixing this requires 2 changes:
1. The atomisp code was using its own internal v4l2_subdev_pad_config
for this. Replace the internal v4l2_subdev_pad_config with allocating
a full v4l2_subdev_state for storing the full try_fmt state.
2. The paths actually setting the fmt or crop selection now need to be
passed the v4l2_subdev's active state, so that sensor drivers which
are using the v4l2_subdev's active state to store their state keep
working.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
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Merge tag 'v6.8-rc2'
Linux 6.8-rc2
The vb2 fixes from v6.8-rc2 are needed for the work on the new
vb2 delete buffers feature.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
- Fix unit test build regression fallout from global
"missing-prototypes" change
- Fix compatibility with devices that do not support interrupts
- Fix overflow when calculating the capacity of large interleave sets
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Merge tag 'cxl-fixes-6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull cxl fixes from Dan Williams:
"A build regression fix, a device compatibility fix, and an original
bug preventing creation of large (16 device) interleave sets:
- Fix unit test build regression fallout from global
"missing-prototypes" change
- Fix compatibility with devices that do not support interrupts
- Fix overflow when calculating the capacity of large interleave sets"
* tag 'cxl-fixes-6.8-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/region：Fix overflow issue in alloc_hpa()
cxl/pci: Skip irq features if MSI/MSI-X are not supported
tools/testing/nvdimm: Disable "missing prototypes / declarations" warnings
tools/testing/cxl: Disable "missing prototypes / declarations" warnings
exposure
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Merge tag 'locking_urgent_for_v6.8_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull locking fix from Borislav Petkov:
- Prevent an inconsistent futex operation leading to stale state
exposure
* tag 'locking_urgent_for_v6.8_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
futex: Prevent the reuse of stale pi_state
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Merge tag 'irq_urgent_for_v6.8_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fix from Borislav Petkov:
- Initialize the resend node of each IRQ descriptor, not only the first
one
* tag 'irq_urgent_for_v6.8_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq: Initialize resend_node hlist for all interrupt descriptors
events in order to be able to compute correct averages
- Limit the duration of the clocksource watchdog checking interval as
too long intervals lead to wrongly marking the TSC as unstable
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Merge tag 'timers_urgent_for_v6.8_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Borislav Petkov:
- Preserve the number of idle calls and sleep entries across CPU
hotplug events in order to be able to compute correct averages
- Limit the duration of the clocksource watchdog checking interval as
too long intervals lead to wrongly marking the TSC as unstable
* tag 'timers_urgent_for_v6.8_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tick/sched: Preserve number of idle sleeps across CPU hotplug events
clocksource: Skip watchdog check for large watchdog intervals
- Add detection for AMD's Zen5 generation CPUs and Intel's Clearwater
Forest CPU model number
- Make a stub function export non-GPL because it is part of the
paravirt alternatives and that can be used by non-GPL code
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Merge tag 'x86_urgent_for_v6.8_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Make sure 32-bit syscall registers are properly sign-extended
- Add detection for AMD's Zen5 generation CPUs and Intel's Clearwater
Forest CPU model number
- Make a stub function export non-GPL because it is part of the
paravirt alternatives and that can be used by non-GPL code
* tag 'x86_urgent_for_v6.8_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/CPU/AMD: Add more models to X86_FEATURE_ZEN5
x86/entry/ia32: Ensure s32 is sign extended to s64
x86/cpu: Add model number for Intel Clearwater Forest processor
x86/CPU/AMD: Add X86_FEATURE_ZEN5
x86/paravirt: Make BUG_func() usable by non-GPL modules
When CONFIG_DEFERRED_STRUCT_PAGE_INIT is enabled, the initialization of
reserved pages may cause access of NODE_DATA() with invalid nid and crash.
Add a fall back to early_pfn_to_nid() in memmap_init_reserved_pages() to
ensure a valid node id is always passed to init_reserved_page().
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Merge tag 'fixes-2024-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock fix from Mike Rapoport:
"Fix crash when reserved memory is not added to memory.
When CONFIG_DEFERRED_STRUCT_PAGE_INIT is enabled, the initialization
of reserved pages may cause access of NODE_DATA() with invalid nid and
crash.
Add a fall back to early_pfn_to_nid() in memmap_init_reserved_pages()
to ensure a valid node id is always passed to init_reserved_page()"
* tag 'fixes-2024-01-28' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
memblock: fix crash when reserved memory is not added to memory
