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This reverts commit df67699c9cb0ceb70f6cc60630ca938c06773eda.
Jens Axboe reported a regression that his machine is failing to show a
console, or in fact anything, on current -git. There's no output and no
console after:
Loading Linux 6.7.0+ ...
Loading initial ramdisk ...
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Jens Axboe <axboe@kernel.dk>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc and other driver updates from Greg KH:
"Here is the big set of char/misc and other driver subsystem changes
for 6.8-rc1.
Other than lots of binder driver changes (as you can see by the merge
conflicts) included in here are:
- lots of iio driver updates and additions
- spmi driver updates
- eeprom driver updates
- firmware driver updates
- ocxl driver updates
- mhi driver updates
- w1 driver updates
- nvmem driver updates
- coresight driver updates
- platform driver remove callback api changes
- tags.sh script updates
- bus_type constant marking cleanups
- lots of other small driver updates
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (341 commits)
android: removed duplicate linux/errno
uio: Fix use-after-free in uio_open
drivers: soc: xilinx: add check for platform
firmware: xilinx: Export function to use in other module
scripts/tags.sh: remove find_sources
scripts/tags.sh: use -n to test archinclude
scripts/tags.sh: add local annotation
scripts/tags.sh: use more portable -path instead of -wholename
scripts/tags.sh: Update comment (addition of gtags)
firmware: zynqmp: Convert to platform remove callback returning void
firmware: turris-mox-rwtm: Convert to platform remove callback returning void
firmware: stratix10-svc: Convert to platform remove callback returning void
firmware: stratix10-rsu: Convert to platform remove callback returning void
firmware: raspberrypi: Convert to platform remove callback returning void
firmware: qemu_fw_cfg: Convert to platform remove callback returning void
firmware: mtk-adsp-ipc: Convert to platform remove callback returning void
firmware: imx-dsp: Convert to platform remove callback returning void
firmware: coreboot_table: Convert to platform remove callback returning void
firmware: arm_scpi: Convert to platform remove callback returning void
firmware: arm_scmi: Convert to platform remove callback returning void
...
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Export zynqmp_pm_get_family_info() to access and find family information
in other module.
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231219055025.27570-2-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/b5a82472a6d61608c2cd7728ca364f6c88a821c3.1703693980.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Marek Behún <kabel@kernel.org>
Link: https://lore.kernel.org/r/9074d1ad2e889425991fecad664781ae27b2418a.1703693980.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/e574041cdce2e4e69f729dfa726a6d090762cff9.1703693980.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Dinh Nguyen <dinguyen@kernel.org>
Link: https://lore.kernel.org/r/06df45c697a747cb6543800a4613db6e1f5462b4.1703693980.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/5df31ef3c069f45634631c9c639bbb60ab1d4798.1703693980.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Link: https://lore.kernel.org/r/8d7d86a24ea36985845c17b6da0933fedbf99ad8.1703693980.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/e2ea8abb4c30190392a86cf05cecd722d0f0b493.1703693980.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/f4cc1ffe30b837d5eab96f2924f51999dfa9f671.1703693980.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/d323e4f24bfab3ac1480933deb51e7c5cb025b09.1703693980.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/e7b4bc389949c3613a358bd8e57d70d7acd5552b.1703693980.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/86165c8ccd0bb47000a29e711102795b36c8df41.1703693980.git.u.kleine-koenig@pengutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is no user for this interface that's why remove it.
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/e52a415a004e28a43e6d08e9e22d9e8fef3737df.1702565618.git.michal.simek@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As per the current code base, PM_CLOCK_SETRATE and PM_CLOCK_GETRATE
APIs are not supported for the runtime operations. In the case of
ZynqMP returning an error from TF-A when there is any request to
access these APIs and for Versal also it is returning an error like
NO_ACCESS from the firmware. So, just removing the unused code to
avoid the confusion around these APIs.
Also, there is no issue with the backward compatibility as these APIs
were never used since implemented. Hence no need to bump up the
version of the feature check API as well.
Signed-off-by: Ronak Jain <ronak.jain@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/6ccbffbafd1f0f48f6574d5a3bf2db6a5603fdb0.1702565618.git.michal.simek@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the char/misc fixes in here as well for testing and to build off
of.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Added new PM error code XST_PM_INVALID_CRC to handle CRC validation failure
during IPI communication.
Co-developed-by: Naman Trivedi Manojbhai <naman.trivedimanojbhai@amd.com>
Signed-off-by: Naman Trivedi Manojbhai <naman.trivedimanojbhai@amd.com>
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231129112713.22718-6-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Failure to register SGI for firmware event notification is non-fatal error
when feature is not supported by other modules such as Xen and TF-A. Add
_info level log message for such special case.
Also add XST_PM_INVALID_VERSION error code and map it to -EOPNOSUPP Linux
kernel error code. If feature is not supported or EEMI API version is
mismatch, firmware can return XST_PM_INVALID_VERSION = 4 or
XST_PM_NO_FEATURE = 19 error code.
Co-developed-by: Tanmay Shah <tanmay.shah@amd.com>
Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231129112713.22718-5-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use family code in order to register event manager
driver for Versal and Versal NET platforms, instead
of using compatible string.
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231129112713.22718-4-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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To support feature check for all modules, append the module id of the API
that is being checked to the feature check API so it could be routed to
the target module for processing.
There is no need to check compatible string because the board information
is taken via firmware interface.
Co-developed-by: Saeed Nowshadi <saeed.nowshadi@amd.com>
Signed-off-by: Saeed Nowshadi <saeed.nowshadi@amd.com>
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231129112713.22718-3-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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System-level platform management layer (do_fw_call()) has support for
maximum of 5 arguments as of now (1 EEMI API ID + 4 command arguments).
In order to support new EEMI PM_IOCTL IDs (Secure Read/Write), this
support must be extended to support one additional argument, which
results in a configuration of - 1 EEMI API ID + 5 command arguments.
Update zynqmp_pm_invoke_fn() and do_fw_call() with this new definition
containing variable arguments. As a result, update all the references
to pm invoke function with the updated definition.
Co-developed-by: Izhar Ameer Shaikh <izhar.ameer.shaikh@amd.com>
Signed-off-by: Izhar Ameer Shaikh <izhar.ameer.shaikh@amd.com>
Signed-off-by: Jay Buddhabhatti <jay.buddhabhatti@amd.com>
Link: https://lore.kernel.org/r/20231129112713.22718-2-jay.buddhabhatti@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Use tab for zynqmp_pm_load_pdi() arguments doc indentation.
No functional change.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@amd.com>
Link: https://lore.kernel.org/r/1698645181-2874487-1-git-send-email-radhey.shyam.pandey@amd.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev updates from Helge Deller:
"Three fbdev drivers (~8500 lines of code) removed. The Carillo Ranch
fbdev driver is for an Intel product which was never shipped, and for
the intelfb and the amba-clcd drivers the drm drivers can be used
instead.
The other code changes are minor: some fb_deferred_io flushing fixes,
imxfb margin fixes and stifb cleanups.
Summary:
- Remove intelfb fbdev driver (Thomas Zimmermann)
- Remove amba-clcd fbdev driver (Linus Walleij)
- Remove vmlfb Carillo Ranch fbdev driver (Matthew Wilcox)
- fb_deferred_io flushing fixes (Nam Cao)
- imxfb code fixes and cleanups (Dario Binacchi)
- stifb primary screen detection cleanups (Thomas Zimmermann)"
* tag 'fbdev-for-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: (28 commits)
fbdev/intelfb: Remove driver
fbdev/hyperv_fb: Do not clear global screen_info
firmware/sysfb: Clear screen_info state after consuming it
fbdev/hyperv_fb: Remove firmware framebuffers with aperture helpers
drm/hyperv: Remove firmware framebuffers with aperture helper
fbdev/sis: Remove dependency on screen_info
video/logo: use %u format specifier for unsigned int values
video/sticore: Remove info field from STI struct
arch/parisc: Detect primary video device from device instance
fbdev/stifb: Allocate fb_info instance with framebuffer_alloc()
video/sticore: Store ROM device in STI struct
fbdev: flush deferred IO before closing
fbdev: flush deferred work in fb_deferred_io_fsync()
fbdev: amba-clcd: Delete the old CLCD driver
fbdev: Remove support for Carillo Ranch driver
fbdev: hgafb: fix kernel-doc comments
fbdev: mmp: Fix typo and wording in code comment
fbdev: fsl-diu-fb: Fix sparse warning due to virt_to_phys() prototype change
fbdev: imxfb: add '*/' on a separate line in block comment
fbdev: imxfb: use __func__ for function name
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After consuming the global screen_info_state in sysfb_init(), the
created platform device maintains the firmware framebuffer. Clear
screen_info to avoid conflicting access. Subsequent kexec reboots
now ignore the firmware framebuffer.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain updates from Ulf Hansson:
"Core:
- Move the generic PM domain and its governor to the pmdomain
subsystem
- Drop the unused pm_genpd_opp_to_performance_state()
Providers:
- Convert some providers to let the ->remove() callback return void
- amlogic: Add support for G12A ISP power domain
- arm: Move the SCPI power-domain driver to the pmdomain subsystem
- arm: Move Kconfig options to the pmdomain subsystem
- qcom: Update part number to X1E80100 for the rpmhpd"
* tag 'pmdomain-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
PM: domains: Move genpd and its governor to the pmdomain subsystem
PM: domains: Drop redundant header for genpd
PM: domains: Drop the unused pm_genpd_opp_to_performance_state()
PM: domains: fix domain_governor kernel-doc warnings
pmdomain: xilinx/zynqmp: Convert to platform remove callback returning void
pmdomain: qcom-cpr: Convert to platform remove callback returning void
pmdomain: imx93-pd: Convert to platform remove callback returning void
pmdomain: imx93-blk-ctrl: Convert to platform remove callback returning void
pmdomain: imx8mp-blk-ctrl: Convert to platform remove callback returning void
pmdomain: imx8m-blk-ctrl: Convert to platform remove callback returning void
pmdomain: imx-gpcv2: Convert to platform remove callback returning void
pmdomain: imx-gpc: Convert to platform remove callback returning void
pmdomain: imx-pgc: Convert to platform remove callback returning void
pmdomain: amlogic: meson-ee-pwrc: add support for G12A ISP power domain
dt-bindings: power: meson-g12a-power: document ISP power domain
firmware: arm_scpi: Move power-domain driver to the pmdomain dir
pmdomain: arm_scmi: Move Kconfig options to the pmdomain subsystem
pmdomain: qcom: rpmhpd: Update part number to X1E80100
dt-bindings: power: rpmpd: Update part number to X1E80100
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To simplify with maintenance let's move the Arm SCPI power-domain driver
to the new pmdomain directory. Note this is different from and precedes
the new Arm SCMI protocol.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20231123120847.2825444-2-sudeep.holla@arm.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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The Kconfig options belongs closer to the corresponding implementations,
hence let's move them from the firmware to the pmdomain subsystem.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20231123120847.2825444-1-sudeep.holla@arm.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull SoC driver updates from Arnd Bergmann:
"A new drivers/cache/ subsystem is added to contain drivers for
abstracting cache flush methods on riscv and potentially others, as
this is needed for handling non-coherent DMA but several SoCs require
nonstandard hardware methods for it.
op-tee gains support for asynchronous notification with FF-A, as well
as support for a system thread for executing in secure world.
The tee, reset, bus, memory and scmi subsystems have a couple of minor
updates.
Platform specific soc driver changes include:
- Samsung Exynos gains driver support for Google GS101 (Tensor G1)
across multiple subsystems
- Qualcomm Snapdragon gains support for SM8650 and X1E along with
added features for some other SoCs
- Mediatek adds support for "Smart Voltage Scaling" on MT8186 and
MT8195, and driver support for MT8188 along with some code
refactoring.
- Microchip Polarfire FPGA support for "Auto Update" of the FPGA
bitstream
- Apple M1 mailbox driver is rewritten into a SoC driver
- minor updates on amlogic, mvebu, ti, zynq, imx, renesas and
hisilicon"
* tag 'soc-drivers-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (189 commits)
memory: ti-emif-pm: Convert to platform remove callback returning void
memory: ti-aemif: Convert to platform remove callback returning void
memory: tegra210-emc: Convert to platform remove callback returning void
memory: tegra186-emc: Convert to platform remove callback returning void
memory: stm32-fmc2-ebi: Convert to platform remove callback returning void
memory: exynos5422-dmc: Convert to platform remove callback returning void
memory: renesas-rpc-if: Convert to platform remove callback returning void
memory: omap-gpmc: Convert to platform remove callback returning void
memory: mtk-smi: Convert to platform remove callback returning void
memory: jz4780-nemc: Convert to platform remove callback returning void
memory: fsl_ifc: Convert to platform remove callback returning void
memory: fsl-corenet-cf: Convert to platform remove callback returning void
memory: emif: Convert to platform remove callback returning void
memory: brcmstb_memc: Convert to platform remove callback returning void
memory: brcmstb_dpfe: Convert to platform remove callback returning void
soc: qcom: llcc: Fix LLCC_TRP_ATTR2_CFGn offset
firmware: qcom: qseecom: fix memory leaks in error paths
dt-bindings: clock: google,gs101: rename CMU_TOP gate defines
soc: qcom: llcc: Fix typo in kernel-doc
dt-bindings: soc: qcom,aoss-qmp: document the X1E80100 Always-On Subsystem side channel
...
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git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into soc/drivers
Arm SCMI updates for v6.8
Few minor updates:
1. Addition of protocol versioning checks to warn if the firmware version
is newer or greater than the version supported by the kernel driver
2. Increment of the maximum OPP count in the perf protocol from 16 to 32
as needed by a few recent/future qualcomm platforms
3. Optimisation of set performance operations by returning error
immediately and avoiding to send the command to the platform(which
would return error eventually) if the domain doesn't support perf
operations. Similarly, the fastchannel handling is also optimised by
avoiding to initialise the corresponding set operations fastchannels.
4. Extension of extended names helper to accomodate recently added new
flags parameter to be able to properly configure the command used to
query the extended name of a resource.
* tag 'scmi-updates-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
firmware: arm_scmi: Add protocol versioning checks
firmware: arm_scmi: Increase the maximum opp count in the perf protocol
firmware: arm_scmi: Fix NULL pointer dereference during fastchannel init
firmware: arm_scmi: Add optional flags to extended names helper
firmware: arm_scmi: Populate fastchannel info only if set operations are allowed
firmware: arm_scmi: Check beforehand if the perf domain set operations are allowed
Link: https://lore.kernel.org/r/20231213115953.3578115-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Platform and agent supported protocols versions do not necessarily match.
When talking to an older SCMI platform, supporting only older protocol
versions, the kernel SCMI agent will downgrade the version of the used
protocol to match the platform and avoid compatibility issues.
In the case where the kernel/OSPM agent happens to communicate with a
newer platform which can support newer protocol versions unknown to
the agent, and potentially backward incompatible, the agent currently
carries on, silently, in a best-effort approach.
Note that the SCMI specification doesn't provide means to explicitly
detect the protocol versions used by the agents, neither it is required
to support multiple, older, protocol versions.
Add an explicit protocol version check to let the agent detect when this
version mismatch happens and warn the user about this condition.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20231201135858.2367651-1-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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The number of opps on certain variants of the X1E80100 SoC are greater
than current maximum of 16, so increase the MAX_OPP count to 32 (next
power of 2) to accommodate that.
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20231129065748.19871-4-quic_sibis@quicinc.com
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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The scmi_perf_domain_lookup requires the protocol handle to have the
private data set, which is yet to happen during the fastchannel init
scenario. This results in a NULL pointer dereference. Fix this by using
the pre-populated perf_dom_info to pass on the required information
instead.
| scmi_perf_protocol_init+0x434/0x678
| scmi_get_protocol_instance+0x168/0x29c
| scmi_devres_protocol_instance_get+0x50/0xa0
| scmi_devm_protocol_get+0x20/0x50
| scmi_cpufreq_probe+0x34/0xd4
| scmi_dev_probe+0x28/0x3c
| really_probe+0x148/0x2ac
| __driver_probe_device+0x78/0x12c
| driver_probe_device+0x40/0x160
| __device_attach_driver+0xb8/0x134
| bus_for_each_drv+0x80/0xdc
| __device_attach+0xa8/0x1b0
| device_initial_probe+0x14/0x20
| bus_probe_device+0xa8/0xac
| device_add+0x5cc/0x778
| device_register+0x20/0x30
| __scmi_device_create.part.0+0xec/0x1cc
| scmi_device_create+0x180/0x1c4
| scmi_create_protocol_devices+0x4c/0xb0
| scmi_probe+0x660/0x738
| platform_probe+0x68/0xdc
| really_probe+0x148/0x2ac
| __driver_probe_device+0x78/0x12c
| driver_probe_device+0x40/0x160
| __device_attach_driver+0xb8/0x134
| bus_for_each_drv+0x80/0xdc
| __device_attach+0xa8/0x1b0
| device_initial_probe+0x14/0x20
| bus_probe_device+0xa8/0xac
| deferred_probe_work_func+0x88/0xc0
| process_one_work+0x13c/0x264
| worker_thread+0x32c/0x438
| kthread+0x118/0x11c
| ret_from_fork+0x10/0x20
Fixes: 619bc6e034f3 ("firmware: arm_scmi: Populate fastchannel info only if set operations are allowed")
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20231129065748.19871-2-quic_sibis@quicinc.com
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Some recently added SCMI protocols needs an additional flags parameter to
be able to properly configure the command used to query the extended name
of a resource.
Modify extended_name_get helper accordingly.
Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Link: https://lore.kernel.org/r/20231114145449.3136412-1-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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Certain SCMI performance domains may have restrictions on the set level
and/or limits operation. If the SCMI domain supports fastchannel and the
set operations are not allowed, then any attempts to fetch the fastchannel
information for set level and/or limits operation will result in the
SCMI platform returning SCMI_ERR_SUPPORT. However, since this information
about the domain is already known to the agent(OSPM here) obtained via
PERF_DOMAIN_ATTRIBUTES, the agent(OSPM) can avoid calls to the firmware
trying to fetch the fastchannel information for the same.
Add those checks and skip querying the fastchannel information from the
firmware based on the information collected during the domain enumeration
stage.
Link: https://lore.kernel.org/r/20231113143252.37160-1-sudeep.holla@arm.com
Reviewed-by: Cristian Marussi <cristian.marussi@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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allowed
Certain SCMI performance domains may have restrictions on the set level
and/or limits operation. If the set level/limits are performed by an
agent who is not allowed to do so may get SCMI_ERR_SUPPORT. However,
since this information about the domain is already known to the
agent(OSPM here) obtained via PERF_DOMAIN_ATTRIBUTES, the agent(OSPM)
can avoid making PERF_LEVEL_SET and PERF_LIMITS_SET calls to the firmware.
Add those checks and return -ENOTSUPP to the caller without interacting
with the firmware based on the information collected during the domain
enumeration stage.
Signed-off-by: xinglong.yang <xinglong.yang@cixtech.com>
Link: https://lore.kernel.org/r/20231109082855.472681-1-xinglong.yang@cixtech.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux into soc/drivers
RISC-V SoC drivers for v6.8
There's only one set of changes here, the addition of "Auto Update"
support for PolarFire SoC. Auto Update is one of the ways that the FPGA
bitstream can be updated, and the only one suitable for use from Linux
as it does not immediately initiate a reboot when started.
The driver was not accepted in the FPGA manager subsystem as the update
only occurs after a reboot and makes no use of the FPGA manager
framework.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
* tag 'riscv-soc-drivers-for-v6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux:
MAINTAINERS: add auto-update driver to mpfs entry
firmware: microchip: Replace of_device.h with explicit include
firmware: microchip: add PolarFire SoC Auto Update support
soc: microchip: mpfs: add auto-update subdev to system controller
soc: microchip: mpfs: print service status in warning message
soc: microchip: mpfs: enable access to the system controller's flash
dt-bindings: soc: microchip: add a property for system controller flash
firmware_loader: Expand Firmware upload error codes with firmware invalid error
Link: https://lore.kernel.org/r/20231221-droop-unblock-81e4fe14acee@spud
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it was merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. Soon the implicit includes are going to be removed.
of_device.h isn't needed, but platform_device.h is.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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Add support for Auto Update reprogramming of the FPGA fabric on
PolarFire SoC, using the fw_upload mechanism a la the
intel-m10-bmc-sec-update driver.
This driver only writes the image to the spi flash & performs
validation on it, as the entire FPGA becomes unusable during the actual
reprogramming of a bitstream. To initiate the reprogramming itself, a
device reset is required. The SBI SRST extension's "cold reboot" can
trigger such a device reset, provided corresponding support has been
enabled in the HSS (Hart Software Services), the provider of SBI runtime
services on PolarFire SoC.
While this is a driver responsible for the reprogramming of an FPGA,
there is no dynamic discovery of devices involved, as runtime
reconfiguration is not possible due to the device reset requirements.
Therefore FPGA manager subsystem is not used by this driver and the FPGA
subsystem maintainers were unwilling to accept it there.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux into soc/drivers
Amlogic drivers changes for v6.8:
- meson-sm: unmap out_base shmem in error path
- meson-sm: use dev_groups attrs for sysfs entries
* tag 'amlogic-drivers-for-v6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux:
firmware: meson-sm: unmap out_base shmem in error path
firmware: meson_sm: refactor serial sysfs entry via dev_groups attrs
Link: https://lore.kernel.org/r/a987f881-1c23-4528-9cb1-e5a875b7e7a8@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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When SM driver was introduced in [1], the code flow did not require
to unmap out_base shmem in case of errors inside probe().
During [2], the additional error path appeared, which requires unmap.
Patch adds iounmap() missed.
Links:
[1] https://lore.kernel.org/linux-amlogic/1466339944-602-2-git-send-email-carlo@caione.org/
[2] https://lore.kernel.org/linux-amlogic/1532613556-5398-1-git-send-email-narmstrong@baylibre.com/
Fixes: 0789724f86a5 ("firmware: meson_sm: Add serial number sysfs entry")
Signed-off-by: Evgeny Bachinin <EABachinin@salutedevices.com>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231108125604.162383-3-EABachinin@salutedevices.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
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Introduce just another way to register sysfs serial entry:
the less code, the better in the absence of extra error-paths
Signed-off-by: Evgeny Bachinin <EABachinin@salutedevices.com>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20231108125604.162383-2-EABachinin@salutedevices.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into soc/drivers
Qualcomm driver updates for v6.8
Support for SM8650 and X1E is added to the LLCC driver, the
LLCC_TRP_ATTR2_CFGn register stride is corrected, and a bug where for
each iteration looping over slices previous settings for dis_cap_alloc
and retain_on_pc are overwritten.
A quirk is introduced in UCSI, for implementations that does not handle
UCSI_GET_PDOS for non-PD partners. With this, USCI support is enabled by
default in pmic_glink. It is later reverted for SC8280XP due reported
errors.
A few memory leaks in error paths of qseecom are taken care of.
A small driver to expose the ADSP PDCharger ULOG debug log is
introduced, to aid debugging issues with pmic_glink.
The identiy of SM8650, PM8937 and a few DSPs are added to the Qualcomm
socinfo driver.
The Qualcomm sleep stats driver is extended to allow getting detailed
statistics about usage of various DDR states. Unfortunately this ABI
does not seem to be stable across platforms, so this addition is dropped
again while the reported problems are investigated further.
Andy is moved from MAINTAINERS to CREDITS. Thank you, Andy.
* tag 'qcom-drivers-for-6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (34 commits)
soc: qcom: llcc: Fix LLCC_TRP_ATTR2_CFGn offset
firmware: qcom: qseecom: fix memory leaks in error paths
soc: qcom: llcc: Fix typo in kernel-doc
dt-bindings: soc: qcom,aoss-qmp: document the X1E80100 Always-On Subsystem side channel
MAINTAINERS: qcom: move Andy Gross to credits
soc: qcom: pmic_glink: drop stray semicolons
soc: qcom: pmic_glink: disable UCSI on sc8280xp
soc: qcom: llcc: Fix dis_cap_alloc and retain_on_pc configuration
soc: qcom: pmic_pdcharger_ulog: Fix hypothetical ulog request message endianess
soc: qcom: pmic_pdcharger_ulog: Move TRACE_SYSTEM out of #if protection
soc: qcom: pmic_pdcharger_ulog: Search current directory for headers
soc: qcom: socinfo: Add few DSPs to get their image details
soc: qcom: llcc: Add missing description for members in slice config
Revert "soc: qcom: stats: Add DDR sleep stats"
dt-bindings: firmware: qcom,scm: Allow interconnect for everyone
dt-bindings: firmware: qcom,scm: document SCM on X1E80100 SoCs
soc: qcom: socinfo: Add PM8937 Power IC
soc: qcom: llcc: Add configuration data for X1E80100
dt-bindings: cache: qcom,llcc: Add X1E80100 compatible
soc: qcom: pmic_glink_altmode: fix port sanity check
...
Link: https://lore.kernel.org/r/20231219041855.732578-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Fix instances of returning error codes directly instead of jumping to
the relevant labels where memory allocated for the SCM calls would be
freed.
Fixes: 759e7a2b62eb ("firmware: Add support for Qualcomm UEFI Secure Application")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202311270828.k4HGcjiL-lkp@intel.com/
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Tested-by: Deepti Jaggi <quic_djaggi@quicinc.com> #sa8775p-ride
Link: https://lore.kernel.org/r/20231127141600.20929-2-brgl@bgdev.pl
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux into soc/drivers
TI SoC driver updates for v6.8
- ti_sci: Minor fixup for off by one error in debugfs_create
- k3-socinfo: Refactoring and add j721e detection, j722s
* tag 'ti-driver-soc-for-v6.8' of https://git.kernel.org/pub/scm/linux/kernel/git/ti/linux:
soc: ti: k3-socinfo: Add JTAG ID for J722S
soc: ti: k3-socinfo: Revamp driver to accommodate different rev structs
firmware: ti_sci: Fix an off-by-one in ti_sci_debugfs_create()
Link: https://lore.kernel.org/r/20231218153043.r5psxbjjpccusjg4@september
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The ending NULL is not taken into account by strncat(), so switch to
snprintf() to correctly build 'debug_name'.
Using snprintf() also makes the code more readable.
Fixes: aa276781a64a ("firmware: Add basic support for TI System Control Interface (TI-SCI) protocol")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/7158db0a4d7b19855ddd542ec61b666973aad8dc.1698660720.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Nishanth Menon <nm@ti.com>
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https://git.linaro.org/people/jens.wiklander/linux-tee into soc/drivers
OP-TEE add reserved system thread
Add support for a reserved system thread in the SMC-ABI of the OP-TEE driver.
SCMI with OP-TEE transport uses this to guarantee that it will always have
a thread available in the secure world.
* tag 'system-thread-for-v6.8' of https://git.linaro.org/people/jens.wiklander/linux-tee:
firmware: arm_scmi: optee: use optee system invocation
tee: optee: support tracking system threads
tee: system session
tee: optee: system thread call property
Link: https://lore.kernel.org/r/20231211102600.GA571787@rayden
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Changes SCMI optee transport to call tee_client_system_session()
to request optee driver to provision an entry context in OP-TEE
for processing OP-TEE messages. This prevents possible deadlock
in case OP-TEE threads are all consumed while these may be waiting
for a clock or regulator to be enable which SCMI OP-TEE service which
requires a free thread context to execute.
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Cristian Marussi <cristian.marussi@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Reviewed-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Etienne Carriere <etienne.carriere@foss.st.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
- Fix a syzbot reported issue in efivarfs where concurrent accesses to
the file system resulted in list corruption
- Add support for accessing EFI variables via the TEE subsystem (and a
trusted application in the secure world) instead of via EFI runtime
firmware running in the OS's execution context
- Avoid linker tricks to discover the image base on LoongArch
* tag 'efi-next-for-v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi: memmap: fix kernel-doc warnings
efi/loongarch: Directly position the loaded image file
efivarfs: automatically update super block flag
efi: Add tee-based EFI variable driver
efi: Add EFI_ACCESS_DENIED status code
efi: expose efivar generic ops register function
efivarfs: Move efivarfs list into superblock s_fs_info
efivarfs: Free s_fs_info on unmount
efivarfs: Move efivar availability check into FS context init
efivarfs: force RO when remounting if SetVariable is not supported
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Correct all kernel-doc notation to repair warnings that are
reported by scripts/kernel-doc:
memmap.c:38: warning: No description found for return value of '__efi_memmap_init'
memmap.c:82: warning: No description found for return value of 'efi_memmap_init_early'
memmap.c:132: warning: Function parameter or member 'addr' not described in 'efi_memmap_init_late'
memmap.c:132: warning: Excess function parameter 'phys_addr' description in 'efi_memmap_init_late'
memmap.c:132: warning: No description found for return value of 'efi_memmap_init_late'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Ard Biesheuvel <ardb@kernel.org>
Cc: linux-efi@vger.kernel.org
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
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