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Merge tag 'docs-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux
Pull documentation fixes from Jonathan Corbet:
"A handful of small, late-arriving documentation fixes"
* tag 'docs-7.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/docs/linux:
docs: toshiba_haps: fix grammar error in SSD warning
Docs/mm: fix typos and grammar in page_tables.rst
Docs/core-api: fix typos in rbtree.rst
docs: clarify wording in programming-language.rst
docs: process: maintainer-pgp-guide: update kernel.org docs link
docs: kdoc_parser: allow __exit in function prototypes
- Prepare the configfs-tsm-reports interface for passing larger
attestation evidence blobs for "Device Identifier Composition Engine"
(DICE) and Post Quantum Crypto (PQC).
- Update the tdx-guest driver for DICE evidence (larger certificate
chains and the CBOR Web Token schema).
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Merge tag 'tsm-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm
Pull TSM updates from Dan Williams:
"A couple of updates to the maximum buffer sizes supported for the
configfs-tsm-reports interface.
This interface is a common transport that conveys the varied
architecture specific launch attestation reports for confidential VMs.
- Prepare the configfs-tsm-reports interface for passing larger
attestation evidence blobs for "Device Identifier Composition
Engine" (DICE) and Post Quantum Crypto (PQC)
- Update the tdx-guest driver for DICE evidence (larger certificate
chains and the CBOR Web Token schema)"
* tag 'tsm-for-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/devsec/tsm:
configfs-tsm-report: tdx_guest: Increase Quote buffer size to 128KB
configfs-tsm-report: Increase TSM_REPORT_OUTBLOB_MAX to 16MB
configfs-tsm-report: Document size limits for outblob attributes
- core: cleaner fwnode usage
- tegra: timing improvements and Tegra264 support
- lpi2c: fix SMBus block read NACK after byte count
- amd-mp2, designware, mlxbf, rtl9300, spacemit, tegra: cleanups
- designware: use a dedicated algorithm for AMD Navi
- designware: replace magic numbers with named constants
- designware: replace min_t() with min() to avoid u8 truncation
- designware: refactor core to enable mode switching
- imx-lpi2c: add runtime PM support for IRQ and clock handling
- lan9691-i2c: add new driver
- rtl9300: use OF helpers directly and avoid fwnode handling
- spacemit: add bus reset support
- units: add HZ_PER_GHZ and use it in several i2c drivers
at24 updates for v7.0-rc1
- add a set of new compatibles to DT bindings
- use dev_err_probe() consistently in the driver
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Merge tag 'i2c-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- core: cleaner fwnode usage
- tegra: timing improvements and Tegra264 support
- lpi2c: fix SMBus block read NACK after byte count
- amd-mp2, designware, mlxbf, rtl9300, spacemit, tegra: cleanups
- designware:
- use a dedicated algorithm for AMD Navi
- replace magic numbers with named constants
- replace min_t() with min() to avoid u8 truncation
- refactor core to enable mode switching
- imx-lpi2c: add runtime PM support for IRQ and clock handling
- lan9691-i2c: add new driver
- rtl9300: use OF helpers directly and avoid fwnode handling
- spacemit: add bus reset support
- units: add HZ_PER_GHZ and use it in several i2c drivers
- at24 i2c eeprom:
- add a set of new compatibles to DT bindings
- use dev_err_probe() consistently in the driver
* tag 'i2c-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (46 commits)
i2c: imx-lpi2c: fix SMBus block read NACK after byte count
i2c: designware: Remove an unnecessary condition
i2c: designware: Enable mode swapping
i2c: designware: Combine the init functions
i2c: designware: Combine some of the common functions
i2c: designware: Use device_is_compatible() instead of custom approach
dt-bindings: eeprom: at24: Add compatible for Puya P24C128F
drivers/i2c/busses: use min() instead of min_t()
i2c: imx-lpi2c: Add runtime PM support for IRQ and clock management on i.MX8QXP/8QM
i2c: amd-mp2: clean up amd_mp2_find_device()
i2c: designware: Replace magic numbers with named constants
i2c: rtl9300: use of instead of fwnode
i2c: rtl9300: remove const cast
i2c: tegra: remove unused rst
i2c: designware: Remove not-going-to-be-supported code for Baikal SoC
i2c: spacemit: drop useless spaces
i2c: mlxbf: Use HZ_PER_KHZ in the driver
i2c: mlxbf: Remove unused bus speed definitions
i2c: core: Use dev_fwnode()
i2c: core: Replace custom implementation of device_match_fwnode()
...
- support for FocalTech FT8112 added to i2c-hid driver
- support for FocalTech FT3518 added to edt-ft5x06 driver
- support for power buttons in TWL603x chips added to twl4030-pwrbutton
driver
- an update to gpio-decoder driver to make it usable on non-OF
platforms and to clean up the code
- an update to synaptics_i2c driver switching it to use managed
resources and a fix to restarting polling after resume
- an update to gpio-keys driver to fall back to getting IRQ from
resources if not specified using other means
- an update to ili210x driver to support polling mode
- a number of input drivers switched to scnprintf() to suppress
truncation warnings
- a number of updates and conversions of device tree bindings to yaml
format
- fixes to spelling in comments and messages in several drivers
- other assorted fixups.
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Merge tag 'input-for-v7.0-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- support for FocalTech FT8112 added to i2c-hid driver
- support for FocalTech FT3518 added to edt-ft5x06 driver
- support for power buttons in TWL603x chips added to twl4030-pwrbutton
driver
- an update to gpio-decoder driver to make it usable on non-OF
platforms and to clean up the code
- an update to synaptics_i2c driver switching it to use managed
resources and a fix to restarting polling after resume
- an update to gpio-keys driver to fall back to getting IRQ from
resources if not specified using other means
- an update to ili210x driver to support polling mode
- a number of input drivers switched to scnprintf() to suppress
truncation warnings
- a number of updates and conversions of device tree bindings to yaml
format
- fixes to spelling in comments and messages in several drivers
- other assorted fixups
* tag 'input-for-v7.0-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (57 commits)
dt-bindings: input: qcom,pm8941-pwrkey: Document PMM8654AU
dt-bindings: input: touchscreen: imagis: allow linux,keycodes for ist3038
Input: apbps2 - fix comment style and typos
Input: gpio_keys - fall back to platform_get_irq() for interrupt-only keys
Input: novatek-nvt-ts - drop wake_type check
dt-bindings: input: touchscreen: tsc2007: document '#io-channel-cells'
Input: ili210x - add support for polling mode
dt-bindings: touchscreen: trivial-touch: Drop 'interrupts' requirement for old Ilitek
Input: appletouch - fix potential race between resume and open
HID: i2c-hid: Add FocalTech FT8112
dt-bindings: input: i2c-hid: Introduce FocalTech FT8112
Input: synaptics_i2c - switch to using managed resources
Input: synaptics_i2c - guard polling restart in resume
Input: gpio_decoder - don't use "proxy" headers
Input: gpio_decoder - make use of the macros from bits.h
Input: gpio_decoder - replace custom loop by gpiod_get_array_value_cansleep()
Input: gpio_decoder - unify messages with help of dev_err_probe()
Input: gpio_decoder - make use of device properties
Input: serio - complete sizeof(*pointer) conversions
Input: wdt87xx_i2c - switch to use dev_err_probe()
...
moved the context saving APIs around to fix a build error in certain
configurations. There was a change to the core framework for
CLK_OPS_PARENT_ENABLE behavior during registration, but it wrecked existing
drivers that didn't expect things to be turned off during clk registration so
it got reverted.
This cycle is really a large collection of new clk drivers, primarily for
Qualcomm SoCs but also for Amlogic, SpacemiT, Google, and Aspeed. Another big
change in here is support for automatic hardware clock gating on Samsung SoCs
where the clks turn on and off when needed. Ideally more vendors move to this
method for better power savings. The highlights are in the updates section
below.
Beyond all the new drivers we have a bunch of cleanups like converting drivers
from divider_round_rate() to divider_determine_rate() and using scoped for each
OF child loops. Otherwise it's the usual data fixes and plugging reference
leaks, etc. that's all pretty ordinary but not critical enough to fix until the
next release.
New Drivers:
- Qualcomm Kaanapali global, tcsr, rpmh, display, gpu, camera, and video clk
controllers
- Qualcomm SM8750 camera clk controllers
- Qualcomm MSM8940 and SDM439 global clk controllers
- Google GS101 Display Process Unit (DPU) clk controllers
- SpacemiT K3 clk controllers
- Amlogic t7 clk controllers
- Aspeed AST2700 clk controllers
Updates:
- Convert clock dividers from round_rate() to determine_rate()
- Fix sparse warnings, kernel-doc warnings, and plug leaked OF refs
- Automatic hardware clk gating on Google GS101 SoCs
- Amlogic s4 video clks
- CAN-FD clks and resets on Renesas RZ/T2H, RZ/N2H, RZ/V2H, and RZ/V2N
- Expanded Serial Peripheral Interface (xSPI) clocks and resets on Renesas
RZ/T21H and RZ/N2H
- DMAC, interrupt controller (ICU), SPI, and thermal (TSU) clocks and resets
on Renesas RZ/V2N
- More serial (RSCI) clocks and resets on Renesas RZ/V2H and RZ/V2N
- CPU frequency scaling on T-HEAD TH1520
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Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"Not much changed in the clk framework this time except the clk.h
consumer API moved the context saving APIs around to fix a build error
in certain configurations.
There was a change to the core framework for CLK_OPS_PARENT_ENABLE
behavior during registration, but it wrecked existing drivers that
didn't expect things to be turned off during clk registration so it
got reverted.
This cycle is really a large collection of new clk drivers, primarily
for Qualcomm SoCs but also for Amlogic, SpacemiT, Google, and Aspeed.
Another big change in here is support for automatic hardware clock
gating on Samsung SoCs where the clks turn on and off when needed.
Ideally more vendors move to this method for better power savings. The
highlights are in the updates section below.
Beyond all the new drivers we have a bunch of cleanups like converting
drivers from divider_round_rate() to divider_determine_rate() and
using scoped for each OF child loops. Otherwise it's the usual data
fixes and plugging reference leaks, etc. that's all pretty ordinary
but not critical enough to fix until the next release.
New Drivers:
- Qualcomm Kaanapali global, tcsr, rpmh, display, gpu, camera, and
video clk controllers
- Qualcomm SM8750 camera clk controllers
- Qualcomm MSM8940 and SDM439 global clk controllers
- Google GS101 Display Process Unit (DPU) clk controllers
- SpacemiT K3 clk controllers
- Amlogic t7 clk controllers
- Aspeed AST2700 clk controllers
Updates:
- Convert clock dividers from round_rate() to determine_rate()
- Fix sparse warnings, kernel-doc warnings, and plug leaked OF refs
- Automatic hardware clk gating on Google GS101 SoCs
- Amlogic s4 video clks
- CAN-FD clks and resets on Renesas RZ/T2H, RZ/N2H, RZ/V2H, and
RZ/V2N
- Expanded Serial Peripheral Interface (xSPI) clocks and resets on
Renesas RZ/T21H and RZ/N2H
- DMAC, interrupt controller (ICU), SPI, and thermal (TSU) clocks and
resets on Renesas RZ/V2N
- More serial (RSCI) clocks and resets on Renesas RZ/V2H and RZ/V2N
- CPU frequency scaling on T-HEAD TH1520"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (165 commits)
clk: aspeed: Add reset for HACE/VIDEO
dt-bindings: clock: aspeed: Add VIDEO reset definition
clk: aspeed: add AST2700 clock driver
MAINTAINERS: Add entry for ASPEED clock drivers.
clk: aspeed: Move the existing ASPEED clk drivers into aspeed subdirectory.
Revert "clk: Respect CLK_OPS_PARENT_ENABLE during recalc"
clk: Disable KUNIT_UML_PCI
dt-bindings: clk: rs9: Fix DIF pattern match
clk: rs9: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
clk: rs9: Reserve 8 struct clk_hw slots for for 9FGV0841
clk: qcom: sm8750: Constify 'qcom_cc_desc' in SM8750 camcc
clk: zynqmp: pll: Fix zynqmp_clk_divider_determine_rate kerneldoc
clk: zynqmp: divider: Fix zynqmp_clk_divider_determine_rate kerneldoc
clk: mediatek: Fix error handling in runtime PM setup
clk: mediatek: don't select clk-mt8192 for all ARM64 builds
clk: mediatek: Add mfg_eb as parent to mt8196 mfgpll clocks
clk: mediatek: Refactor pllfh registration to pass device
clk: mediatek: Pass device to clk_hw_register for PLLs
clk: mediatek: Refactor pll registration to pass device
clk: Respect CLK_OPS_PARENT_ENABLE during recalc
...
This partly reverts commit 8f582bcd13 ("drm/hyperv: Remove reference
to hyperv_fb driver") which was messed up by me while trying to fix a
merge conflict.
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* update tools/include/linux/mm.h to fix memblock tests compilation
* drop redundant struct page* parameter from memblock_free_pages() and get
struct page from the pfn
* add underflow detection for size calculation in memtest and warn about
underflow when VM_DEBUG is enabled
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Merge tag 'memblock-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock
Pull memblock updates from Mike Rapoport:
- update tools/include/linux/mm.h to fix memblock tests compilation
- drop redundant struct page* parameter from memblock_free_pages() and
get struct page from the pfn
- add underflow detection for size calculation in memtest and warn
about underflow when VM_DEBUG is enabled
* tag 'memblock-v7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
mm/memtest: add underflow detection for size calculation
memblock: drop redundant 'struct page *' argument from memblock_free_pages()
memblock test: include <linux/sizes.h> from tools mm.h stub
New features:
- Allow custom fbdev boot logo [Vincent Mailhol]
Driver removal:
- fbdev: hyperv_fb: Remove hyperv_fb driver [Prasanna Kumar T S M]
Fixes:
- fbcon: check return value of con2fb_acquire_newinfo() [Andrey Vatoropin]
- fbdev: au1100fb: Check return value of clk_enable() in .resume() [Chen Ni]
- fbdev: au1200fb: Fix a memory leak in au1200fb_drv_probe() [Felix Gu]
- fbdev: ffb: fix corrupted video output on Sun FFB1 [René Rebe]
- fbdev: of_display_timing: Fix device node reference leak in of_get_display_timings() [Felix Gu]
- fbdev: of: display_timing: fix refcount leak in of_get_display_timings() [Weigang He]
- fbdev: rivafb: fix divide error in nv3_arb() [Guangshuo Li]
- fbdev: smscufx: properly copy ioctl memory to kernelspace [Greg Kroah-Hartman]
- fbdev: Use device_create_with_groups() to fix sysfs groups registration race [Hans de Goede]
- fbdev: vt8500lcdfb: fix missing dma_free_coherent() [Thomas Fourier]
Cleanups:
- fbcon: printk, vt: Remove console_conditional_schedule() [Sebastian Andrzej Siewior]
- fbcon: Declare struct fb_info.fbcon_par as of type struct fbcon_par [Thomas Zimmermann]
- fbcon: Remove struct fbcon_display.inverse [Thomas Zimmermann]
- fbdev: fix fb_pad_unaligned_buffer mask [Osama Abdelkader]
- fbdev: omapfb: remove duplicate check in omapfb_setup_mem() [Dan Carpenter]
- fbdev: omapfb, sh_mobile_lcdc, fbtft: Make FB_DEVICE dependency optional [Chintan Patel]
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Merge tag 'fbdev-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev
Pull fbdev updates from Helge Deller:
"It's now easily possible to replace the framebuffer penguin boot logo
with an own logo at compile time (Vincent Mailhol)
The hyperv framebuffer driver has been removed, since the hyperv DRM
driver now seems to provide equal functionality.
Various console_conditional_schedule() calls across the console
drivers (fbcon, printk, vt) have been removed since they are no longer
necessary.
All other patches are either fixes in au1100fb, au1200fb, ffb, rivafb,
vt8500lcdfb and of_display_timing, or minor cleanups in the fbcon and
omapfb drivers"
* tag 'fbdev-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: (32 commits)
fbcon: Declare struct fb_info.fbcon_par as of type struct fbcon_par
fbcon: Remove struct fbcon_display.inverse
fbdev: au1200fb: Fix a memory leak in au1200fb_drv_probe()
fbdev: ffb: fix corrupted video output on Sun FFB1
fbdev: of_display_timing: Fix device node reference leak in of_get_display_timings()
staging: fbtft: Make framebuffer registration message debug-only
staging: fbtft: Fix build failure when CONFIG_FB_DEVICE=n
fbdev: au1100fb: Check return value of clk_enable() in .resume()
printk, vt, fbcon: Remove console_conditional_schedule()
fbdev: fix fb_pad_unaligned_buffer mask
fbdev: of: display_timing: fix refcount leak in of_get_display_timings()
fbdev: vt8500lcdfb: fix missing dma_free_coherent()
video/logo: don't select LOGO_LINUX_MONO and LOGO_LINUX_VGA16 by default
video/logo: move logo selection logic to Kconfig
video/logo: remove logo_mac_clut224
sh: defconfig: remove CONFIG_LOGO_SUPERH_*
newport_con: depend on LOGO_LINUX_CLUT224 instead of LOGO_SGI_CLUT224
video/logo: allow custom logo
video/logo: add a type parameter to the logo makefile function
video/logo: remove orphan .pgm Makefile rule
...
This branch contains two patches which have been in linux-next for a
few weeks. The first,
security: Add KUnit tests for kuid_root_in_ns and vfsuid_root_in_currentns
adds some tests of core capabilities helpers. The second
ipc: don't audit capability check in ipc_permissions()
avoids emitting audit messages when there's not actually a permission
being denied.
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Merge tag 'caps-pr-20260213' of git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux
Pull capabilities updates from Serge Hallyn:
- add KUnit tests for some core capabilities helpers
- avoid emitting IPC audit messages when there's not
actually a permission being denied
* tag 'caps-pr-20260213' of git://git.kernel.org/pub/scm/linux/kernel/git/sergeh/linux:
ipc: don't audit capability check in ipc_permissions()
security: Add KUnit tests for kuid_root_in_ns and vfsuid_root_in_currentns
Fix a race in rpmsg driver_override_show() and use the existing helper
to implement the store(). Implement support for EPOLLOUT in the virtio
rpmsg driver.
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Merge tag 'rpmsg-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull rpmsg updates from Bjorn Andersson:
- Fix a race in rpmsg driver_override_show() and use the existing
helper to implement the store()
- Implement support for EPOLLOUT in the virtio rpmsg driver
* tag 'rpmsg-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: core: fix race in driver_override_show() and use core helper
rpmsg: virtio: EPOLLOUT support
Fix a memory remapping issue and make a few life-cycle improvements in
the i.MX HiFi remoteproc driver.
Add support the System Manager CPU and LMM APIs and use this to support i.MX95.
Rework the handling of the Mediatek SCP clock to avoid a potential
circular deadlock in the clock providers.
Refactor the Qualcomm secure-world helpers and add support in the
Qualcomm PAS remoteproc driver for reading a resource-table from secure
world. Use this to configure the IOMMU on newer targets where Linux runs
in EL2.
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Merge tag 'rproc-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
- Fix a memory remapping issue and make a few life-cycle improvements
in the i.MX HiFi remoteproc driver
- Add support the System Manager CPU and LMM APIs and use this to
support i.MX95
- Rework the handling of the Mediatek SCP clock to avoid a potential
circular deadlock in the clock providers
- Refactor the Qualcomm secure-world helpers and add support in the
Qualcomm PAS remoteproc driver for reading a resource-table from
secure world. Use this to configure the IOMMU on newer targets where
Linux runs in EL2
* tag 'rproc-v7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
remoteproc: imx_rproc: Fix invalid loaded resource table detection
remoteproc: mediatek: Break lock dependency to `prepare_lock`
remoteproc: imx_rproc: Add support for i.MX95
remoteproc: imx_rproc: Add support for System Manager CPU API
remoteproc: imx_rproc: Add support for System Manager LMM API
remoteproc: imx_rproc: Introduce prepare ops for imx_rproc_dcfg
remoteproc: imx_rproc: Add runtime ops copy to support dynamic behavior
dt-bindings: remoteproc: fsl,imx-rproc: Add support for i.MX95
dt-bindings: remoteproc: Add HSM M4F core on TI K3 SoCs
remoteproc: xlnx_r5: Simplify with scoped for each OF child loop
remoteproc: mtk_scp: Simplify with scoped for each OF child loop
remoteproc: imx_dsp_rproc: Only reset carveout memory at RPROC_OFFLINE state
dt-bindings: remoteproc: qcom,sm8550-pas: Drop SM8750 ADSP from if-branch
dt-bindings: remoteproc: qcom,adsp: Allow cx-supply on qcom,sdm845-slpi-pas
remoteproc: imx_dsp_rproc: Fix multiple start/stop operations
remoteproc: imx_rproc: Use strstarts for "rsc-table" check
remoteproc: imx_dsp_rproc: Wait for suspend ACK only if WAIT_FW_CONFIRMATION is set
remoteproc: imx_dsp_rproc: Rename macro to reflect multiple contexts
remoteproc: imx_dsp_rproc: Skip RP_MBOX_SUSPEND_SYSTEM when mailbox TX channel is uninitialized
dt-bindings: remoteproc: Fix dead link to Keystone DSP GPIO binding
PCC
- Updates to transmission and interrupt handling, including
dynamic txdone configuration, ->last_tx_done() wiring, and SHMEM
initialization fixes. Reverted previous shared buffer patch.
MediaTek
- Introduce mtk-vcp-mailbox driver and bindings for MT8196 VCP.
- Expand mtk-cmdq for MT8196 with GCE virtualization, mminfra_offset,
and instruction generation data.
Spreadtrum (SPRD)
- Add Mailbox Revision 2 support and UMS9230 bindings.
- Fix unhandled interrupt masking and TX done delivery flags.
Microchip
- Add pic64gx compatibility to MPFS.
- Fix out-of-bounds access and smatch warnings in mchp-ipc-sbi.
Core & Misc Platform Updates
- Prevent out-of-bounds access in fw_mbox_index_xlate().
- Add bindings for Qualcomm CPUCP (Kaanapali).
- Simplify mtk-cmdq and zynqmp-ipi with scoped OF child iterators.
- Consolidate various minor fixes, dead code removal, and typo
corrections across Broadcom, NXP, Samsung, Xilinx, ARM, and
core headers.
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Merge tag 'mailbox-v6.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox
Pull mailbox updates from Jassi Brar:
"Platform and core updates
PCC:
- Updates to transmission and interrupt handling, including dynamic
txdone configuration, ->last_tx_done() wiring, and SHMEM
initialization fixes. Reverted previous shared buffer patch
MediaTek
- Introduce mtk-vcp-mailbox driver and bindings for MT8196 VCP
- Expand mtk-cmdq for MT8196 with GCE virtualization, mminfra_offset,
and instruction generation data
Spreadtrum (SPRD)
- Add Mailbox Revision 2 support and UMS9230 bindings
- Fix unhandled interrupt masking and TX done delivery flags
Microchip
- Add pic64gx compatibility to MPFS
- Fix out-of-bounds access and smatch warnings in mchp-ipc-sbi
Core & Misc Platform Updates
- Prevent out-of-bounds access in fw_mbox_index_xlate()
- Add bindings for Qualcomm CPUCP (Kaanapali)
- Simplify mtk-cmdq and zynqmp-ipi with scoped OF child iterators
- Consolidate various minor fixes, dead code removal, and typo
corrections across Broadcom, NXP, Samsung, Xilinx, ARM, and core
headers"
* tag 'mailbox-v6.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jassibrar/mailbox: (34 commits)
mailbox: sprd: mask interrupts that are not handled
mailbox: sprd: add support for mailbox revision 2
mailbox: sprd: clear delivery flag before handling TX done
dt-bindings: mailbox: sprd: add compatible for UMS9230
mailbox: bcm-ferxrm-mailbox: Use default primary handler
mailbox: Remove mailbox_client.h from controller drivers
mailbox: zynqmp-ipi: Simplify with scoped for each OF child loop
mailbox: mtk-cmdq: Simplify with scoped for each OF child loop
dt-bindings: mailbox: xlnx,zynqmp-ipi-mailbox: Document msg region requirement
mailbox: Improve RISCV_SBI_MPXY_MBOX guidance
mailbox: mchp-ipc-sbi: fix uninitialized symbol and other smatch warnings
mailbox: arm_mhuv3: fix typo in comment
mailbox: cix: fix typo in error message
mailbox: imx: Skip the suspend flag for i.MX7ULP
mailbox: exynos: drop unneeded runtime pointer (pclk)
mailbox: pcc: Remove spurious IRQF_ONESHOT usage
mailbox: mtk-cmdq: Add driver data to support for MT8196
mailbox: mtk-cmdq: Add mminfra_offset configuration for DRAM transaction
mailbox: mtk-cmdq: Add GCE hardware virtualization configuration
mailbox: mtk-cmdq: Add cmdq private data to cmdq_pkt for generating instruction
...
- Improve error code handling and four cleanups.
- Reduce unnecessary valid_size extension during mmap write to avoid
over-extending writes.
- Optimize consecutive FAT entry reads by caching buffer heads in
__exfat_ent_get to significantly reduce sb_bread() calls.
- Add multi-cluster (contiguous cluster) support to
exfat_get_cluster() and exfat_map_cluster() for better sequential read
performance, especially on small cluster sizes.
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Merge tag 'exfat-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat
Pull exfat updates from Namjae Jeon:
- Improve error code handling and four cleanups
- Reduce unnecessary valid_size extension during mmap write to avoid
over-extending writes
- Optimize consecutive FAT entry reads by caching buffer heads in
__exfat_ent_get to significantly reduce sb_bread() calls
- Add multi-cluster (contiguous cluster) support to exfat_get_cluster()
and exfat_map_cluster() for better sequential read performance,
especially on small cluster sizes
* tag 'exfat-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/linkinjeon/exfat:
exfat: add blank line after declarations
exfat: remove unnecessary else after return statement
exfat: support multi-cluster for exfat_get_cluster
exfat: return the start of next cache in exfat_cache_lookup
exfat: tweak cluster cache to support zero offset
exfat: support multi-cluster for exfat_map_cluster
exfat: remove handling of non-file types in exfat_map_cluster
exfat: reuse cache to improve exfat_get_cluster
exfat: reduce the number of parameters for exfat_get_cluster()
exfat: remove the unreachable warning for cache miss cases
exfat: remove the check for infinite cluster chain loop
exfat: improve exfat_find_last_cluster
exfat: improve exfat_count_num_clusters
exfat: support reuse buffer head for exfat_ent_get
exfat: add cache option for __exfat_ent_get
exfat: reduce unnecessary writes during mmap write
exfat: improve error code handling in exfat_find_empty_entry()
* clk-imx:
clk: imx: fracn-gppll: Add 241.90 MHz Support
clk: imx: fracn-gppll: Add 332.60 MHz Support
* clk-divider:
rtc: ac100: convert from divider_round_rate() to divider_determine_rate()
clk: zynqmp: divider: convert from divider_round_rate() to divider_determine_rate()
clk: x86: cgu: convert from divider_round_rate() to divider_determine_rate()
clk: versaclock3: convert from divider_round_rate() to divider_determine_rate()
clk: stm32: stm32-core: convert from divider_round_rate_parent() to divider_determine_rate()
clk: stm32: stm32-core: convert from divider_ro_round_rate() to divider_ro_determine_rate()
clk: sprd: div: convert from divider_round_rate() to divider_determine_rate()
clk: sophgo: sg2042-clkgen: convert from divider_round_rate() to divider_determine_rate()
clk: nxp: lpc32xx: convert from divider_round_rate() to divider_determine_rate()
clk: nuvoton: ma35d1-divider: convert from divider_round_rate() to divider_determine_rate()
clk: milbeaut: convert from divider_round_rate() to divider_determine_rate()
clk: milbeaut: convert from divider_ro_round_rate() to divider_ro_determine_rate()
clk: loongson1: convert from divider_round_rate() to divider_determine_rate()
clk: hisilicon: clkdivider-hi6220: convert from divider_round_rate() to divider_determine_rate()
clk: bm1880: convert from divider_round_rate() to divider_determine_rate()
clk: bm1880: convert from divider_ro_round_rate() to divider_ro_determine_rate()
clk: actions: owl-divider: convert from divider_round_rate() to divider_determine_rate()
clk: actions: owl-composite: convert from owl_divider_helper_round_rate() to divider_determine_rate()
clk: sunxi-ng: convert from divider_round_rate_parent() to divider_determine_rate()
clk: sophgo: cv18xx-ip: convert from divider_round_rate() to divider_determine_rate()
* clk-rockchip:
clk: rockchip: Fix error pointer check after rockchip_clk_register_gate_link()
* clk-microchip:
dt-bindings: clock: mpfs-clkcfg: Add pic64gx compatibility
dt-bindings: clock: mpfs-ccc: Add pic64gx compatibility
clk: microchip: drop POLARFIRE from ARCH_MICROCHIP_POLARFIRE
clk: microchip: core: remove unused include asm/traps.h
clk: microchip: core: correct return value on *_get_parent()
clk: microchip: core: remove duplicate determine_rate on pic32_sclk_ops
In this development cycle, we focused on several key performance optimizations:
1) introducing large folio support to enhance read speeds for immutable files,
2) reducing checkpoint=enable latency by flushing only committed dirty pages,
and 3) implementing tracepoints to diagnose and resolve lock priority inversion.
Additionally, we introduced the packed_ssa feature to optimize the SSA footprint
when utilizing large block sizes.
Enhancement:
- support large folio for immutable non-compressed case
- support non-4KB block size without packed_ssa feature
- optimize f2fs_enable_checkpoint() to avoid long delay
- optimize f2fs_overwrite_io() for f2fs_iomap_begin
- optimize NAT block loading during checkpoint write
- add write latency stats for NAT and SIT blocks in f2fs_write_checkpoint
- pin files do not require sbi->writepages lock for ordering
- avoid f2fs_map_blocks() for consecutive holes in readpages
- flush plug periodically during GC to maximize readahead effect
- add tracepoints to catch lock overheads
- add several sysfs entries to tune internal lock priorities
Bug fix:
- fix lock priority inversion issue
- fix incomplete block usage in compact SSA summaries
- fix to show simulate_lock_timeout correctly
- fix to avoid mapping wrong physical block for swapfile
- fix IS_CHECKPOINTED flag inconsistency issue caused by concurrent atomic
commit and checkpoint writes
- fix to avoid UAF in f2fs_write_end_io()
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Merge tag 'f2fs-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this development cycle, we focused on several key performance
optimizations:
- introducing large folio support to enhance read speeds for
immutable files
- reducing checkpoint=enable latency by flushing only committed dirty
pages
- implementing tracepoints to diagnose and resolve lock priority
inversion.
Additionally, we introduced the packed_ssa feature to optimize the SSA
footprint when utilizing large block sizes.
Detail summary:
Enhancements:
- support large folio for immutable non-compressed case
- support non-4KB block size without packed_ssa feature
- optimize f2fs_enable_checkpoint() to avoid long delay
- optimize f2fs_overwrite_io() for f2fs_iomap_begin
- optimize NAT block loading during checkpoint write
- add write latency stats for NAT and SIT blocks in
f2fs_write_checkpoint
- pin files do not require sbi->writepages lock for ordering
- avoid f2fs_map_blocks() for consecutive holes in readpages
- flush plug periodically during GC to maximize readahead effect
- add tracepoints to catch lock overheads
- add several sysfs entries to tune internal lock priorities
Fixes:
- fix lock priority inversion issue
- fix incomplete block usage in compact SSA summaries
- fix to show simulate_lock_timeout correctly
- fix to avoid mapping wrong physical block for swapfile
- fix IS_CHECKPOINTED flag inconsistency issue caused by
concurrent atomic commit and checkpoint writes
- fix to avoid UAF in f2fs_write_end_io()"
* tag 'f2fs-for-7.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (61 commits)
f2fs: sysfs: introduce critical_task_priority
f2fs: introduce trace_f2fs_priority_update
f2fs: fix lock priority inversion issue
f2fs: optimize f2fs_overwrite_io() for f2fs_iomap_begin
f2fs: fix incomplete block usage in compact SSA summaries
f2fs: decrease maximum flush retry count in f2fs_enable_checkpoint()
f2fs: optimize NAT block loading during checkpoint write
f2fs: change size parameter of __has_cursum_space() to unsigned int
f2fs: add write latency stats for NAT and SIT blocks in f2fs_write_checkpoint
f2fs: pin files do not require sbi->writepages lock for ordering
f2fs: fix to show simulate_lock_timeout correctly
f2fs: introduce FAULT_SKIP_WRITE
f2fs: check skipped write in f2fs_enable_checkpoint()
Revert "f2fs: add timeout in f2fs_enable_checkpoint()"
f2fs: fix to unlock folio in f2fs_read_data_large_folio()
f2fs: fix error path handling in f2fs_read_data_large_folio()
f2fs: use folio_end_read
f2fs: fix to avoid mapping wrong physical block for swapfile
f2fs: avoid f2fs_map_blocks() for consecutive holes in readpages
f2fs: advance index and offset after zeroing in large folio read
...
Replace "make this driver to fail" with "cause this driver to fail"
to correct the grammar.
Signed-off-by: Berke Antar <b@berkeantar.com>
Message-ID: <b9085090-e70f-46ac-aad0-96da1fc7cdcc@smtp-relay.sendinblue.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Correct several spelling and grammatical errors in the page tables
documentation. This includes:
- Fixing "a address" to "an address"
- Fixing "pfs" to "pfns"
- Correcting the possessive "Torvald's" to "Torvalds's"
- Fixing "instruction that want" to "instruction that wants"
- Fixing "code path" to "code paths"
Signed-off-by: Min-Hsun Chang <chmh0624@gmail.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260209145603.96664-1-chmh0624@gmail.com>
Correct minor typographical errors in the red-black tree documentation:
- Remove redundant "a" in the cached rbtrees section.
- Fix "updated" to "update" in the augmented rbtrees section.
- Fix "be looking" to "by looking" in the interval tree sample usage.
Signed-off-by: Min-Hsun Chang <chmh0624@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260210060829.42975-1-chmh0624@gmail.com>
Clarify that the Linux kernel is written in C and improve
punctuation in the clang sentence.
Signed-off-by: Ariful Islam Shoikot <islamarifulshoikat@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Message-ID: <20260214132842.1161-1-islamarifulshoikat@gmail.com>
The only correct type for the field fbcon_par in struct fb_info
is struct fbcon_par. Declare is as such. The field is a pointer
to fbcon-private data.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Helge Deller <deller@gmx.de>
The field inverse in struct fbcon_display is unused. Remove it.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Cc: <stable@vger.kernel.org> # v6.0+
Signed-off-by: Helge Deller <deller@gmx.de>
In au1200fb_drv_probe(), when platform_get_irq fails(), it directly
returns from the function with an error code, which causes a memory
leak.
Replace it with a goto label to ensure proper cleanup.
Fixes: 4e88761f5f ("fbdev: au1200fb: Fix missing IRQ check in au1200fb_drv_probe")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Fix Sun FFB1 corrupted video out ([1] and [2]) by disabling overlay and
initializing window mode to a known state. The issue never appeared on
my FFB2+/vertical nor Elite3D/M6. It could also depend on the PROM
version.
/SUNW,ffb@1e,0: FFB at 000001fc00000000, type 11, DAC pnum[236c] rev[10] manuf_rev[4]
X (II) /dev/fb0: Detected FFB1, Z-buffer, Single-buffered.
X (II) /dev/fb0: BT9068 (PAC1) ramdac detected (with normal cursor control)
X (II) /dev/fb0: Detected Creator/Creator3D
[1] https://www.instagram.com/p/DUTcSmSjSem/
[2] https://chaos.social/@ReneRebe/116023241660154102
Signed-off-by: René Rebe <rene@exactco.de>
Cc: stable@kernel.org
Signed-off-by: Helge Deller <deller@gmx.de>
Use for_each_child_of_node_scoped instead of for_each_child_of_node
to ensure automatic of_node_put on early exit paths, preventing
device node reference leak.
Fixes: cc3f414cf2 ("video: add of helper for display timings/videomode")
Signed-off-by: Felix Gu <ustc.gu@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
The framebuffer registration message is informational only and not
useful during normal operation. Convert it to debug-level logging to
keep the driver quiet when working correctly.
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Chintan Patel <chintanlike@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
When CONFIG_FB_DEVICE is disabled, struct fb_info does
not provide a valid dev pointer. Direct dereferences of
fb_info->dev therefore result in build failures.
Fix this by avoiding direct accesses to fb_info->dev and
switching the affected debug logging to framebuffer helpers
that do not rely on a device pointer.
This fixes the following build failure reported by the
kernel test robot.
Fixes: a06d03f9f238 ("staging: fbtft: Make FB_DEVICE dependency optional")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202601110740.Y9XK5HtN-lkp@intel.com
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Chintan Patel <chintanlike@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Check the return value of clk_enable() in au1100fb_drv_resume() and
return the error on failure.
This ensures the system is aware of the resume failure and can track
its state accurately.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Signed-off-by: Helge Deller <deller@gmx.de>
do_con_write(), fbcon_redraw.*() invoke console_conditional_schedule()
which is a conditional scheduling point based on printk's internal
variables console_may_schedule. It may only be used if the console lock
is acquired for instance via console_lock() or console_trylock().
Prinkt sets the internal variable to 1 (and allows to schedule)
if the console lock has been acquired via console_lock(). The trylock
does not allow it.
The console_conditional_schedule() invocation in do_con_write() is
invoked shortly before console_unlock().
The console_conditional_schedule() invocation in fbcon_redraw.*()
original from fbcon_scroll() / vt's con_scroll() which originate from a
line feed.
In console_unlock() the variable is set to 0 (forbids to schedule) and
it tries to schedule while making progress printing. This is brand new
compared to when console_conditional_schedule() was added in v2.4.9.11.
In v2.6.38-rc3, console_unlock() (started its existence) iterated over
all consoles and flushed them with disabled interrupts. A scheduling
attempt here was not possible, it relied that a long print scheduled
before console_unlock().
Since commit 8d91f8b153 ("printk: do cond_resched() between lines
while outputting to consoles"), which appeared in v4.5-rc1,
console_unlock() attempts to schedule if it was allowed to schedule
while during console_lock(). Each record is idealy one line so after
every line feed.
This console_conditional_schedule() is also only relevant on
PREEMPT_NONE and PREEMPT_VOLUNTARY builds. In other configurations
cond_resched() becomes a nop and has no impact.
I'm bringing this all up just proof that it is not required anymore. It
becomes a problem on a PREEMPT_RT build with debug code enabled because
that might_sleep() in cond_resched() remains and triggers a warnings.
This is due to
legacy_kthread_func-> console_flush_one_record -> vt_console_print-> lf
-> con_scroll -> fbcon_scroll
and vt_console_print() acquires a spinlock_t which does not allow a
voluntary schedule. There is no need to fb_scroll() to schedule since
console_flush_one_record() attempts to schedule after each line.
!PREEMPT_RT is not affected because the legacy printing thread is only
enabled on PREEMPT_RT builds.
Therefore I suggest to remove console_conditional_schedule().
Cc: Simona Vetter <simona@ffwll.ch>
Cc: Helge Deller <deller@gmx.de>
Cc: linux-fbdev@vger.kernel.org
Cc: dri-devel@lists.freedesktop.org
Fixes: 5f53ca3ff8 ("printk: Implement legacy printer kthread for PREEMPT_RT")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Petr Mladek <pmladek@suse.com> # from printk() POV
Signed-off-by: Helge Deller <deller@gmx.de>
mask is u8, so it should use 0xff instead of 0xfff
Signed-off-by: Osama Abdelkader <osama.abdelkader@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
of_parse_phandle() returns a device_node with refcount incremented,
which is stored in 'entry' and then copied to 'native_mode'. When the
error paths at lines 184 or 192 jump to 'entryfail', native_mode's
refcount is not decremented, causing a refcount leak.
Fix this by changing the goto target from 'entryfail' to 'timingfail',
which properly calls of_node_put(native_mode) before cleanup.
Fixes: cc3f414cf2 ("video: add of helper for display timings/videomode")
Cc: stable@vger.kernel.org
Signed-off-by: Weigang He <geoffreyhe2@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
fbi->fb.screen_buffer is allocated with dma_alloc_coherent() but is not
freed if the error path is reached.
Fixes: e7b995371f ("video: vt8500: Add devicetree support for vt8500-fb and wm8505-fb")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Nowadays, nearly all systems have a color depth of eight or more and
are thus able to display the clut224 logo. This means that the
monochrome and vga16 logos will never be displayed on an average
machine and are thus just a waste of bytes.
Set CONFIG_LOGO_LINUX_MONO and CONFIG_LOGO_LINUX_VGA16 configuration
symbols to no by default.
Signed-off-by: Vincent Mailhol <mailhol@kernel.org>
Signed-off-by: Helge Deller <deller@gmx.de>
Now that the path to the logo file can be directly entered in Kbuild,
there is no more need to handle all the logo file selection in the
Makefile and the C files.
The only exception is the logo_spe_clut224 which is only used by the
Cell processor (found for example in the Playstation 3) [1]. This
extra logo uses its own different image which shows up on a separate
line just below the normal logo. Because the extra logo uses a
different image, it can not be factorized under the custom logo logic.
Move all the logo file selection logic to Kbuild (except from the
logo_spe_clut224.ppm), this done, clean-up the C code to only leave
one entry for each logo type (monochrome, 16-colors and 224-colors).
[1] Cell SPE logos
Link: https://lore.kernel.org/all/20070710122702.765654000@pademelon.sonytel.be/
Signed-off-by: Vincent Mailhol <mailhol@kernel.org>
Signed-off-by: Helge Deller <deller@gmx.de>
The logo_mac_clut224 depends on the runtime value MACH_IS_MAC being
true to be displayed. This makes that logo a one-of-a-kind, as it is
the only one whose selection can not be decided at compile time.
This dynamic logo selection logic conflicts with our upcoming plans to
simplify the logo selection code.
Considering that the logo_mac_clut224 is only used by the Macintosh
68k, a machine whose sales ended some thirty years ago and which thus
represents a very small user base, it is preferable to resolve the
conflict in favour of code simplicity.
Remove the logo_mac_clut224 so that the logo selection can be
statically determined at compile time.
The users who wish to continue using that logo can still download it
from [1] and add:
CONFIG_LOGO_LINUX_CLUT224=y
CONFIG_LOGO_LINUX_CLUT224_FILE="/path/to/logo_mac_clut224.ppm"
to their configuration file to restore it.
[1] logo_mac_clut224.ppm file
Link: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/plain/drivers/video/logo/logo_mac_clut224.ppm?h=v6.18
Signed-off-by: Vincent Mailhol <mailhol@kernel.org>
Signed-off-by: Helge Deller <deller@gmx.de>
CONFIG_LOGO_SUPERH_MONO, CONFIG_LOGO_SUPERH_VGA16 and
CONFIG_LOGO_SUPERH_CLUT224 will be removed in an upcoming change but
are still referenced in some of the defconfig.
Remove all the occurrences of CONFIG_LOGO_SUPERH_*.
Signed-off-by: Vincent Mailhol <mailhol@kernel.org>
Signed-off-by: Helge Deller <deller@gmx.de>
newport_show_logo() is only activated if CONFIG_LOGO_SGI_CLUT224 is
set (otherwise it is a NOP). This configuration item will be removed
in an upcoming change so instead, make it depend on LOGO_LINUX_CLUT224.
Signed-off-by: Vincent Mailhol <mailhol@kernel.org>
Signed-off-by: Helge Deller <deller@gmx.de>
Some people like to replace the default Tux boot logo by an image of
their own. There exist a few tutorials here [1] and there [2]. But
this requires modifying the source tree which is a bit cumbersome.
Add a string entry in Kbuild for each of the logo categories
(monochrome, 16-colors, 224-colors). The string entry takes a path to
a .pbm or .ppm image allowing the user to more easily provide a custom
logo without having to modify the sources.
Add an help entry with a short hint on how to convert images to the
portable pixmap file format.
Update the Makefile accordingly. When converted to .c file, the logo
will have one of these fixed file name:
- logo_linux_mono.c
- logo_linux_vga16.c
- logo_linux_clut224.c:
depending on the image type and this regardless of the name of the
.pgm/.ppm source filename. This will allow for further simplifications
in an upcoming change.
[1] ArmadeuS Project wiki -- Linux Boot Logo
Link: https://www.armadeus.org/wiki/index.php?title=Linux_Boot_Logo
[2] Timesys -- How To Use a Custom Boot Logo / Splash Screen
Link: https://linuxlink.timesys.com/docs/wiki/engineering/HOWTO_Use_a_custom_boot_logo
Signed-off-by: Vincent Mailhol <mailhol@kernel.org>
Signed-off-by: Helge Deller <deller@gmx.de>
When translating a portable pixmap file into a .c file, the pnmtologo
tool expects to receive the image type (either mono, vga16 or clut224)
as an argument under the -t option.
Currently, this information is stored in the file name. Because we
will allow for custom logo in an upcoming change, it is preferable to
decouple the image name from its type.
Add a new $2 parameter to the Makefile logo function which contains
the image type.
Update all the individual targets to provide this new argument.
Signed-off-by: Vincent Mailhol <mailhol@kernel.org>
Signed-off-by: Helge Deller <deller@gmx.de>
The kernel has no actual grey-scale logos. And looking at the git
history, it seems that there never was one (or maybe there was in the
pre-git history? I did not check that far…)
Remove the Makefile rule for the .pgm grey scale images.
Signed-off-by: Vincent Mailhol <mailhol@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Helge Deller <deller@gmx.de>
We know "size" is non-zero because it is checked on the line before.
Delete the duplicate check and pull the code in a tab.
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Helge Deller <deller@gmx.de>
The sh_mobile_lcdc driver exposes overlay configuration via sysfs, but the
core driver does not require CONFIG_FB_DEVICE.
Make overlay sysfs optional so that the driver can build and operate
even when FB_DEVICE is disabled. The kernel naturally ignores the
missing attribute group, preserving buildability and type safety.
Suggested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Chintan Patel <chintanlike@gmail.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Helge Deller <deller@gmx.de>
omapfb provides several sysfs interfaces for framebuffer configuration
and debugging, but these are not required for the core driver.
Remove the hard dependency on CONFIG_FB_DEVICE and make sysfs support
optional by using dev_of_fbinfo() to obtain the backing device at runtime.
When FB_DEVICE is disabled, sysfs operations are skipped while the code
still builds and is type-checked.
Suggested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Chintan Patel <chintanlike@gmail.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Helge Deller <deller@gmx.de>
fbtft provides sysfs interfaces for debugging and gamma configuration,
but these are not required for the core driver.
Drop the hard dependency on CONFIG_FB_DEVICE and make sysfs support
optional by using dev_of_fbinfo() at runtime. When FB_DEVICE is disabled,
sysfs operations are skipped while the code remains buildable and
type-checked.
Suggested-by: Thomas Zimmermann <tzimmermann@suse.de>
Suggested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Chintan Patel <chintanlike@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Helge Deller <deller@gmx.de>
Add dev_of_fbinfo() to return the framebuffer struct device when
CONFIG_FB_DEVICE is enabled, or NULL otherwise.
This allows fbdev drivers to use sysfs interfaces via runtime checks
instead of CONFIG_FB_DEVICE ifdefs, keeping the code clean while
remaining fully buildable.
Suggested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Helge Deller <deller@gmx.de>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Chintan Patel <chintanlike@gmail.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Helge Deller <deller@gmx.de>
