- Apr 03, 2023
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Ye Xingchen authored
Replace the open-code with dev_err_probe() to simplify the code. Signed-off-by:
Ye Xingchen <ye.xingchen@zte.com.cn> Reviewed-by:
AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://lore.kernel.org/r/202303241017290414354@zte.com.cn Signed-off-by:
Matthias Brugger <matthias.bgg@gmail.com>
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AngeloGioacchino Del Regno authored
Add MMSYS support for the MT6795 SoC using the same mmsys routing table as MT8173 as, for the currently supported usecases (DSI0, DPI0 with no WDMA), these are identical. Signed-off-by:
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AngeloGioacchino Del Regno authored
The MT8173 SoC has 64 MMSYS resets, split in two contiguous 32-bits registers, MMSYS_SW0_RST_B (0x140) and MMSYS_SW1_RST_B (0x144), as also stated in the downstream kernel for the Amazon Fire TV 2 (Sloane) in the ddp_reg.h header. Please note that managing more than 32 reset bits is supported since commit 2004f8be ("soc: mediatek: mmsys: add mmsys for support 64 reset bits") This commit brings no functional changes. Signed-off-by:
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AngeloGioacchino Del Regno authored
MT2701, MT2712 and MT8173 were relying on a "default" DDP I/O routing table, describing all of the possible connections between display block components: while this is definitely working it's suboptimal for the actual routing description, as we may be enabling outputs and inputs that are not needed, possibly impacting on actual DDP performance other than slightly prolonging boot times by having to parse a table that is bigger than needed. Seen that all of the other supported SoCs have got their own table and seen that a comment in mtk-mmsys.h explicitly mentions that the wanted way is to have one table per SoC, create a new routing table that is specifically tailored to MT8173 and, while at it, remove mentions to said SoC from the comment in mtk-mmsys.h. Signed-off-by:
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AngeloGioacchino Del Regno authored
Now that the mtk-cmdq.h header contains inline functions for cases in which the driver is not enabled (either module or built-in), we can safely go on with cleaning up ifdefs for CMDQ handling. This also shows in a clearer manner that writing through CMDQ HW is optional and used only for performance purposes when/where wanted, needed and/or required. Signed-off-by:
Chen-Yu Tsai <wenst@chromium.org> Link: https://lore.kernel.org/r/20230222094253.23678-10-angelogioacchino.delregno@collabora.com Signed-off-by:
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AngeloGioacchino Del Regno authored
In preparation for a cleanup of ifdef instances of IS_REACHABLE() for the CONFIG_MTK_CMDQ configuration option, add inline functions that will either return a failure or, for void functions, do nothing. Signed-off-by:
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AngeloGioacchino Del Regno authored
Replace open-coded init/exit calls with the module_platform_driver() macro being equivalent. Signed-off-by:
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AngeloGioacchino Del Regno authored
Replace the magic number "10", defining the maximum number of supported handles with a MTK_MUTEX_MAX_HANDLES definition. While at it, also change the type for `id` from a signed integer to a unsigned 8 bits integer to save some (small) memory footprint, as this number is never higher than 10. This cleanup brings no functional changes. Signed-off-by:
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AngeloGioacchino Del Regno authored
Compress entries of the of_match_mtk_mmsys array to reduce the amount of lines and increase readability; this brings us to a maximum of 95 columns. While at it, also add a sentinel comment to the last entry for the sole purpose of consistency. This commit brings no functional changes. Signed-off-by:
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AngeloGioacchino Del Regno authored
Allow module auto-loading by adding a MODULE_DEVICE_TABLE for of_match_mmsys. Signed-off-by:
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AngeloGioacchino Del Regno authored
Compress entries of the of_match_mtk_mmsys array to reduce the amount of lines and increase readability; this brings us to a maximum of 90 columns. While at it, also add a sentinel comment to the last entry for the sole purpose of consistency. This commit brings no functional changes. Signed-off-by:
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AngeloGioacchino Del Regno authored
Instead of open-coding init/exit calls, switch to using the module_platform_driver() macro instead, doing the exact same. Signed-off-by:
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AngeloGioacchino Del Regno authored
Add a .remove() callback to correctly unregister the multimedia clocks and DRM drivers. Signed-off-by:
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- Apr 01, 2023
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Alexandre Mergnat authored
Add compatible for the MT8365 SoC. Signed-off-by:
Alexandre Mergnat <amergnat@baylibre.com> Acked-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20230220-display-v1-15-45cbc68e188b@baylibre.com Signed-off-by:
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- Mar 31, 2023
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Alexandre Mergnat authored
According to the mtk-mutex.c driver and the SoC DTS, the clock isn't required to work properly for some of MTK SoC. Improve the clock requirement by adding a condition which is function to the compatible. Signed-off-by:
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- Mar 30, 2023
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Roger Lu authored
Some extreme test environment may keep IC temperature very low or very high during system boot stage. For stability concern, we add thermal voltage compenstation if needed no matter svs bank phase is in init02 or mon mode. Signed-off-by:
Roger Lu <roger.lu@mediatek.com> Reviewed-by:
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Roger Lu authored
nvmem_cell_get() cannot return NULL so checking for NULL is wrong here. Signed-off-by:
kernel test robot <lkp@intel.com> Reported-by:
Dan Carpenter <error27@gmail.com> Link: https://lore.kernel.org/r/202302160720.N64SWT4l-lkp@intel.com/ Link: https://lore.kernel.org/r/20230216132543.814-1-roger.lu@mediatek.com Signed-off-by:
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- Mar 06, 2023
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Matthias Brugger authored
The function svs_add_device_link is called only internally from the SoC specific probe functions. We don't need to check if the node_name is null because that would mean that we have a buggy SoC probe function in the first place. Reviewed-by:
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Roy-CW.Yeh authored
Add MT8195 VPPSYS0 and VPPSYS1 mutex info to driver data Signed-off-by:
Roy-CW.Yeh <roy-cw.yeh@mediatek.com> Signed-off-by:
Moudy Ho <moudy.ho@mediatek.com> Reviewed-by:
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Roy-CW.Yeh authored
Add mtk_mutex_set_mod support to set MOD1 Signed-off-by:
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Roy-CW.Yeh authored
Due to MT8195 HW design, some RSZs have additional settings that need to be configured in MMSYS. Signed-off-by:
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Roy-CW.Yeh authored
Add compatible for MT8195 VPPSYS on MUTEX. Signed-off-by:
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Roger Lu authored
The timing of disabling SVS bank and restore default voltage is more than one place. Therefore, add a common function to use for removing the superfluous codes. Signed-off-by:
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Roger Lu authored
SVS might need to read both svs efuse and thermal efuse on the probe flow. Therefore, add a common efuse read function to remove the superfluous codes. Signed-off-by:
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Linus Torvalds authored
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Linus Torvalds authored
Commit aa47a7c2 ("lib/cpumask: deprecate nr_cpumask_bits") resulted in the cpumask operations potentially becoming hugely less efficient, because suddenly the cpumask was always considered to be variable-sized. The optimization was then later added back in a limited form by commit 6f9c07be ("lib/cpumask: add FORCE_NR_CPUS config option"), but that FORCE_NR_CPUS option is not useful in a generic kernel and more of a special case for embedded situations with fixed hardware. Instead, just re-introduce the optimization, with some changes. Instead of depending on CPUMASK_OFFSTACK being false, and then always using the full constant cpumask width, this introduces three different cpumask "sizes": - the exact size (nr_cpumask_bits) remains identical to nr_cpu_ids. This is used for situations where we should use the exact size. - the "small" size (small_cpumask_bits) is the NR_CPUS constant if it fits in a single word and the bitmap o...
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds authored
Pull crypto fix from Herbert Xu: "Fix a regression in the caam driver" * tag 'v6.3-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: caam - Fix edesc/iv ordering mixup
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 updates from Thomas Gleixner: "A small set of updates for x86: - Return -EIO instead of success when the certificate buffer for SEV guests is not large enough - Allow STIPB to be enabled with legacy IBSR. Legacy IBRS is cleared on return to userspace for performance reasons, but the leaves user space vulnerable to cross-thread attacks which STIBP prevents. Update the documentation accordingly" * tag 'x86-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: virt/sev-guest: Return -EIO if certificate buffer is not large enough Documentation/hw-vuln: Document the interaction between IBRS and STIBP x86/speculation: Allow enabling STIBP with legacy IBRS -
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq updates from Thomas Gleixner: "A set of updates for the interrupt susbsystem: - Prevent possible NULL pointer derefences in irq_data_get_affinity_mask() and irq_domain_create_hierarchy() - Take the per device MSI lock before invoking code which relies on it being hold - Make sure that MSI descriptors are unreferenced before freeing them. This was overlooked when the platform MSI code was converted to use core infrastructure and results in a fals positive warning - Remove dead code in the MSI subsystem - Clarify the documentation for pci_msix_free_irq() - More kobj_type constification" * tag 'irq-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq/msi, platform-msi: Ensure that MSI descriptors are unreferenced genirq/msi: Drop dead domain name assignment irqdomain: Add missing NULL pointer check in irq_domain_create_hierarchy() genirq/irqdesc: Make kobj_type structures constant PCI/MSI: Clarify usage of pci_msix_free_irq() genirq/msi: Take the per-device MSI lock before validating the control structure genirq/ipi: Fix NULL pointer deref in irq_data_get_affinity_mask() -
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull vfs update from Al Viro: "Adding Christian Brauner as VFS co-maintainer" * tag 'pull-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: Adding VFS co-maintainer
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull VM_FAULT_RETRY fixes from Al Viro: "Some of the page fault handlers do not deal with the following case correctly: - handle_mm_fault() has returned VM_FAULT_RETRY - there is a pending fatal signal - fault had happened in kernel mode Correct action in such case is not "return unconditionally" - fatal signals are handled only upon return to userland and something like copy_to_user() would end up retrying the faulting instruction and triggering the same fault again and again. What we need to do in such case is to make the caller to treat that as failed uaccess attempt - handle exception if there is an exception handler for faulting instruction or oops if there isn't one. Over the years some architectures had been fixed and now are handling that case properly; some still do not. This series should fix the remaining ones. Status: - m68k, riscv, hexagon, parisc: tested/acked by maintainers. - alpha, sparc32, sparc64: tested locally - bug has been reproduced on the unpatched kernel and verified to be fixed by this series. - ia64, microblaze, nios2, openrisc: build, but otherwise completely untested" * tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: openrisc: fix livelock in uaccess nios2: fix livelock in uaccess microblaze: fix livelock in uaccess ia64: fix livelock in uaccess sparc: fix livelock in uaccess alpha: fix livelock in uaccess parisc: fix livelock in uaccess hexagon: fix livelock in uaccess riscv: fix livelock in uaccess m68k: fix livelock in uaccess -
Masahiro Yamada authored
include/linux/compiler-intel.h had no update in the past 3 years. We often forget about the third C compiler to build the kernel. For example, commit a0a12c3e ("asm goto: eradicate CC_HAS_ASM_GOTO") only mentioned GCC and Clang. init/Kconfig defines CC_IS_GCC and CC_IS_CLANG but not CC_IS_ICC, and nobody has reported any issue. I guess the Intel Compiler support is broken, and nobody is caring about it. Harald Arnesen pointed out ICC (classic Intel C/C++ compiler) is deprecated: $ icc -v icc: remark #10441: The Intel(R) C++ Compiler Classic (ICC) is deprecated and will be removed from product release in the second half of 2023. The Intel(R) oneAPI DPC++/C++ Compiler (ICX) is the recommended compiler moving forward. Please transition to use this compiler. Use '-diag-disable=10441' to disable this message. icc version 2021.7.0 (gcc version 12.1.0 compatibility) Arnd Bergmann provided a link to the article, "Intel C/C++ compilers complete a...
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- Mar 05, 2023
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Al Viro authored
Acked-by:
Christian Brauner <brauner@kernel.org> Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linuxLinus Torvalds authored
Pull more i2c updates from Wolfram Sang: "Some improvements/fixes for the newly added GXP driver and a Kconfig dependency fix" * tag 'i2c-for-6.3-rc1-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: gxp: fix an error code in probe i2c: gxp: return proper error on address NACK i2c: gxp: remove "empty" switch statement i2c: Disable I2C_APPLE when I2C_PASEMI is a builtin
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Linus Torvalds authored
The migration code ends up temporarily stashing information of the wrong type in unused fields of the newly allocated destination folio. That all works fine, but gcc does complain about the pointer type mis-use: mm/migrate.c: In function ‘__migrate_folio_extract’: mm/migrate.c:1050:20: note: randstruct: casting between randomized structure pointer types (ssa): ‘struct anon_vma’ and ‘struct address_space’ 1050 | *anon_vmap = (void *)dst->mapping; | ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~ and gcc is actually right to complain since it really doesn't understand that this is a very temporary special case where this is ok. This could be fixed in different ways by just obfuscating the assignment sufficiently that gcc doesn't see what is going on, but the truly "proper C" way to do this is by explicitly using a union. Using unions for type conversions like this is normally hugely ugly and syntactically nasty, but this really is one of the few cases where we want to make it clear that we're not doing type conversion, we're really re-using the value bit-for-bit just using another type. IOW, this should not become a common pattern, but in this one case using that odd union is probably the best way to document to the compiler what is conceptually going on here. [ Side note: there are valid cases where we convert pointers to other pointer types, notably the whole "folio vs page" situation, where the types actually have fundamental commonalities. The fact that the gcc note is limited to just randomized structures means that we don't see equivalent warnings for those cases, but it migth also mean that we miss other cases where we do play these kinds of dodgy games, and this kind of explicit conversion might be a good idea. ] I verified that at least for an allmodconfig build on x86-64, this generates the exact same code, apart from line numbers and assembler comment changes. Fixes: 64c8902e ("migrate_pages: split unmap_and_move() to _unmap() and _move()") Cc: Huang, Ying <ying.huang@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by:Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
Merge tag 'mm-hotfixes-stable-2023-03-04-13-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "17 hotfixes. Eight are for MM and seven are for other parts of the kernel. Seven are cc:stable and eight address post-6.3 issues or were judged unsuitable for -stable backporting" * tag 'mm-hotfixes-stable-2023-03-04-13-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mailmap: map Dikshita Agarwal's old address to his current one mailmap: map Vikash Garodia's old address to his current one fs/cramfs/inode.c: initialize file_ra_state fs: hfsplus: fix UAF issue in hfsplus_put_super panic: fix the panic_print NMI backtrace setting lib: parser: update documentation for match_NUMBER functions kasan, x86: don't rename memintrinsics in uninstrumented files kasan: test: fix test for new meminstrinsic instrumentation kasan: treat meminstrinsic as builtins in uninstrumented files kasan: emit different calls for instrumentable memintrinsics ocfs2: fix non-auto defrag path not working issue ocfs2: fix defrag path triggering jbd2 ASSERT mailmap: map Georgi Djakov's old Linaro address to his current one mm/hwpoison: convert TTU_IGNORE_HWPOISON to TTU_HWPOISON lib/zlib: DFLTCC deflate does not write all available bits for Z_NO_FLUSH mm/damon/paddr: fix missing folio_put() mm/mremap: fix dup_anon_vma() in vma_merge() case 4
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: - Drop orphaned VAS MAINTAINERS entry - Fix build errors with clang and KCSAN - Avoid build errors seen with LD_DEAD_CODE_DATA_ELIMINATION together with recordmcount Thanks to Nathan Chancellor. * tag 'powerpc-6.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc: Avoid dead code/data elimination when using recordmcount powerpc/vmlinux.lds: Add .text.asan/tsan sections powerpc: Drop orphaned VAS MAINTAINERS entry
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "A collection of various small fixes that have been gathered since the last PR. The majority of changes are for ASoC, and there is a small change in ASoC PCM core, but the rest are all for driver- specific fixes / quirks / updates" * tag 'sound-fix-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (32 commits) ALSA: ice1712: Delete unreachable code in aureon_add_controls() ALSA: ice1712: Do not left ice->gpio_mutex locked in aureon_add_controls() ALSA: hda/realtek: Add quirk for HP EliteDesk 800 G6 Tower PC ALSA: hda/realtek: Improve support for Dell Precision 3260 ASoC: mediatek: mt8195: add missing initialization ASoC: mediatek: mt8188: add missing initialization ASoC: amd: yc: Add DMI entries to support HP OMEN 16-n0xxx (8A43) ASoC: zl38060 add gpiolib dependency ASoC: sam9g20ek: Disable capture unless building with microphone input ASoC: mt8192: Fix range for sidetone positive gain ASoC: mt8192: Report an error if when an invalid sidetone gain is written ASoC: mt8192: Fix event generation for controls ASoC: mt8192: Remove spammy log messages ASoC: mchp-pdmc: fix poc noise at capture startup ASoC: dt-bindings: sama7g5-pdmc: add microchip,startup-delay-us binding ASoC: soc-pcm: add option to start DMA after DAI ASoC: mt8183: Fix event generation for I2S DAI operations ASoC: mt8183: Remove spammy logging from I2S DAI driver ASoC: mt6358: Remove undefined HPx Mux enumeration values ASoC: mt6358: Validate Wake on Voice 2 writes ...
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- Mar 04, 2023
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supplyLinus Torvalds authored
Pull more power supply updates from Sebastian Reichel: - Fix DT binding for Richtek RT9467 - Fix a NULL pointer check in the power-supply core - Document meaning of absent "present" property * tag 'for-v6.3-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: dt-bindings: power: supply: Revise Richtek RT9467 compatible name ABI: testing: sysfs-class-power: Document absence of "present" property power: supply: fix null pointer check order in __power_supply_register
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git://git.samba.org/sfrench/cifs-2.6Linus Torvalds authored
Pull more cifs updates from Steve French: - xfstest generic/208 fix (memory leak) - minor netfs fix (to address smatch warning) - a DFS fix for stable - a reconnect race fix - two multichannel fixes - RDMA (smbdirect) fix - two additional writeback fixes from David * tag '6.3-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6: cifs: Fix memory leak in direct I/O cifs: prevent data race in cifs_reconnect_tcon() cifs: improve checking of DFS links over STATUS_OBJECT_NAME_INVALID iov: Fix netfs_extract_user_to_sg() cifs: Fix cifs_write_back_from_locked_folio() cifs: reuse cifs_match_ipaddr for comparison of dstaddr too cifs: match even the scope id for ipv6 addresses cifs: Fix an uninitialised variable cifs: Add some missing xas_retry() calls
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