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2024-01-18i2c: wmt: Reduce redundant: function parameterHans Hu1-10/+5
Use more appropriate parameter passing to reduce the amount of code Signed-off-by: Hans Hu <hanshu-oc@zhaoxin.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: wmt: Reduce redundant: clock mode settingHans Hu1-21/+7
The frequency setting mode is adjusted to reduce the code redundancy, and it is also convenient to share with zhaoxin Signed-off-by: Hans Hu <hanshu-oc@zhaoxin.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: wmt: Reduce redundant: wait event completeHans Hu1-14/+6
Put the handling of interrupt events in a function class to reduce code redundancy. Signed-off-by: Hans Hu <hanshu-oc@zhaoxin.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: wmt: Reduce redundant: bus busy checkHans Hu1-12/+7
Put wmt_i2c_wait_bus_not_busy() in a more appropriate place to reduce code redundancy Signed-off-by: Hans Hu <hanshu-oc@zhaoxin.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: mux: reg: Remove class-based device auto-detection supportHeiner Kallweit2-5/+1
Legacy class-based device auto-detection shouldn't be used in new code. Therefore remove support in i2c-mux-reg as long as we don't have a user of this feature yet. Link: https://lore.kernel.org/linux-i2c/a22978a4-88e4-46f4-b71c-032b22321599@gmail.com/ Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: make i2c_bus_type constGreg Kroah-Hartman3-3/+3
Now that the driver core can properly handle constant struct bus_type, move the i2c_bus_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Note, the sound/soc/rockchip/rk3399_gru_sound.c also needed tweaking as it decided to save off a pointer to a bus type for internal stuff, and it was using the i2c_bus_type as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18dt-bindings: at24: add ROHM BR24G04Philipp Zabel1-0/+1
Add compatible for ROHM Semiconductor BR24G04 EEPROMs. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Roland Hieber <rhi@pengutronix.de> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2024-01-18eeprom: at24: use of_match_ptr()Bartosz Golaszewski1-2/+3
This driver does not depend on CONFIG_OF so using of_match_ptr() makes sense to reduce the size a bit. Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
2024-01-18i2c: cpm: Remove linux,i2c-index conversion from be32Christophe Leroy1-1/+1
sparse reports an error on some data that gets converted from be32. That's because that data is typed u32 instead of __be32. The type is correct, the be32_to_cpu() conversion is not. Remove the conversion. Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202312042210.QL4DA8Av-lkp@intel.com/ Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Acked-By: Jochen Friedrich <jochen@scram.de> Reviewed-by: Andi Shyti <andi.shyti@kernel.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: imx: Make SDA actually optional for bus recoveringAlexander Stein1-1/+1
Both i2c_generic_scl_recovery() and the debug output indicate that SDA is purely optional for bus recovery. But devm_gpiod_get() never returns NULL making it mandatory. Fix this by calling devm_gpiod_get_optional instead. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Reviewed-by: Andi Shyti <andi.shyti@kernel.org> Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: smbus: Support up to 8 SPD EEPROMsJean Delvare1-4/+4
I originally restricted i2c_register_spd() to only support systems with up to 4 memory slots, so that we can experiment with it on a limited numbers of systems. It's been more than 3 years and it seems to work just fine, so the time has come to lift this arbitrary limitation. The maximum number of memory slots which can be connected to a single I2C segment is 8, so support that many SPD EEPROMs. Any system with more than 8 memory slots would have either multiple SMBus channels or SMBus multiplexing, so it would need dedicated care. We'll get to that later as needed. Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: rk3x: Adjust mask/value offset for i2c2 on rv1126Tim Lunn1-2/+6
Rockchip RV1126 is using old style i2c controller, the i2c2 bus uses a non-sequential offset in the grf register for the mask/value bits for this bus. This patch fixes i2c2 bus on rv1126 SoCs. Signed-off-by: Tim Lunn <tim@feathertop.org> Acked-by: Heiko Stuebner <heiko@sntech.de> Reviewed-by: Andi Shyti <andi.shyti@kernel.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: s3c24xx: add support for atomic transfersMarek Szyprowski1-2/+19
Add support for atomic transfers using polling mode with interrupts intentionally disabled to get rid of the following warning introduced by commit 63b96983a5dd ("i2c: core: introduce callbacks for atomic transfers") during system reboot and power-off: ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1518 at drivers/i2c/i2c-core.h:40 i2c_transfer+0xe8/0xf4 No atomic I2C transfer handler for 'i2c-0' ... ---[ end trace 0000000000000000 ]--- Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Chanho Park <chanho61.park@samsung.com> Reviewed-by: Andi Shyti <andi.shyti@kernel.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: s3c24xx: fix transferring more than one message in polling modeMarek Szyprowski1-17/+10
To properly handle ACK on the bus when transferring more than one message in polling mode, move the polling handling loop from s3c24xx_i2c_message_start() to s3c24xx_i2c_doxfer(). This way i2c_s3c_irq_nextbyte() is always executed till the end, properly acknowledging the IRQ bits and no recursive calls to i2c_s3c_irq_nextbyte() are made. While touching this, also fix finishing transfers in polling mode by using common code path and always waiting for the bus to become idle and disabled. Fixes: 117053f77a5a ("i2c: s3c2410: Add polling mode support") Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Andi Shyti <andi.shyti@kernel.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: s3c24xx: fix read transfers in polling modeMarek Szyprowski1-2/+11
To properly handle read transfers in polling mode, no waiting for the ACK state is needed as it will never come. Just wait a bit to ensure start state is on the bus and continue processing next bytes. Fixes: 117053f77a5a ("i2c: s3c2410: Add polling mode support") Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Chanho Park <chanho61.park@samsung.com> Reviewed-by: Andi Shyti <andi.shyti@kernel.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: rcar: add FastMode+ support for Gen4Wolfram Sang1-11/+27
To support FM+, we mainly need to turn the SMD constant into a parameter and set it accordingly. That also means we can finally fix SMD to our needs instead of bailing out. A sanity check for SMD then becomes a sanity check for 'x == 0'. After all that, activating the enable bit for FM+ is all we need to do. Tested with a Renesas Falcon board using R-Car V3U. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Andi Shyti <andi.shyti@kernel.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: rcar: introduce Gen4 devicesWolfram Sang1-6/+7
So far, we treated Gen4 as Gen3. But we are soon adding FM+ as a Gen4 specific feature, so prepare the code for the new devtype. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Andi Shyti <andi.shyti@kernel.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: npcm7xx: move to per-adapter debugfs directoryWolfram Sang1-42/+7
The I2C core now provides a per-adapter debugfs directory. Use it instead of creating a custom one. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Tali Perry <tali.perry1@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: gpio: move to per-adapter debugfs directoryWolfram Sang1-28/+6
The I2C core now provides a per-adapter debugfs directory. Use it instead of creating a custom one. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: create debugfs entry per adapterWolfram Sang2-0/+13
Two drivers already implement custom debugfs handling for their i2c_adapter and more will come. So, let the core create a debugfs directory per adapter and pass that to drivers for their debugfs files. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18staging: greybus: Don't let i2c adapters declare I2C_CLASS_SPD support if ↵Heiner Kallweit1-1/+1
they support I2C_CLASS_HWMON After removal of the legacy eeprom driver the only remaining I2C client device driver supporting I2C_CLASS_SPD is jc42. Because this driver also supports I2C_CLASS_HWMON, adapters don't have to declare support for I2C_CLASS_SPD if they support I2C_CLASS_HWMON. It's one step towards getting rid of I2C_CLASS_SPD mid-term. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18media: netup_unidvb: Don't let i2c adapters declare I2C_CLASS_SPD support if ↵Heiner Kallweit1-1/+1
they support I2C_CLASS_HWMON After removal of the legacy eeprom driver the only remaining I2C client device driver supporting I2C_CLASS_SPD is jc42. Because this driver also supports I2C_CLASS_HWMON, adapters don't have to declare support for I2C_CLASS_SPD if they support I2C_CLASS_HWMON. It's one step towards getting rid of I2C_CLASS_SPD mid-term. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: stub: Don't let i2c adapters declare I2C_CLASS_SPD support if they ↵Heiner Kallweit1-1/+1
support I2C_CLASS_HWMON After removal of the legacy eeprom driver the only remaining I2C client device driver supporting I2C_CLASS_SPD is jc42. Because this driver also supports I2C_CLASS_HWMON, adapters don't have to declare support for I2C_CLASS_SPD if they support I2C_CLASS_HWMON. It's one step towards getting rid of I2C_CLASS_SPD mid-term. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18i2c: Don't let i2c adapters declare I2C_CLASS_SPD support if they support ↵Heiner Kallweit24-26/+25
I2C_CLASS_HWMON After removal of the legacy eeprom driver the only remaining I2C client device driver supporting I2C_CLASS_SPD is jc42. Because this driver also supports I2C_CLASS_HWMON, adapters don't have to declare support for I2C_CLASS_SPD if they support I2C_CLASS_HWMON. It's one step towards getting rid of I2C_CLASS_SPD mid-term. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Andi Shyti <andi.shyti@kernel.org> Acked-by: Jim Cromie <jim.cromie@gmail.com> # for SCX Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18drm/amd/pm: Remove I2C_CLASS_SPD supportHeiner Kallweit3-3/+0
I2C_CLASS_SPD was used to expose the EEPROM content to user space, via the legacy eeprom driver. Now that this driver has been removed, we can remove I2C_CLASS_SPD support. at24 driver with explicit instantiation should be used instead. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18include/linux/i2c.h: remove I2C_CLASS_DDC supportHeiner Kallweit1-1/+0
After removal of the legacy EEPROM driver and I2C_CLASS_DDC support in olpc_dcon there's no i2c client driver left supporting I2C_CLASS_DDC. Class-based device auto-detection is a legacy mechanism and shouldn't be used in new code. So we can remove this class completely now. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18fbdev: remove I2C_CLASS_DDC supportHeiner Kallweit9-27/+10
After removal of the legacy EEPROM driver and I2C_CLASS_DDC support in olpc_dcon there's no i2c client driver left supporting I2C_CLASS_DDC. Class-based device auto-detection is a legacy mechanism and shouldn't be used in new code. So we can remove this class completely now. Acked-by: Helge Deller <deller@gmx.de> Acked-by: Thomas Zimmermann <tzimmermann@suse.de> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2024-01-18drm: remove I2C_CLASS_DDC supportHeiner Kallweit21-21/+0
After removal of the legacy EEPROM driver and I2C_CLASS_DDC support in olpc_dcon there's no i2c client driver left supporting I2C_CLASS_DDC. Class-based device auto-detection is a legacy mechanism and shouldn't be used in new code. So we can remove this class completely now. Acked-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Acked-by: Harry Wentland <harry.wentland@amd.com> Acked-by: Heiko Stuebner <heiko@sntech.de> Acked-by: Jani Nikula <jani.nikula@intel.com> Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com> Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2023-11-26Linux 6.7-rc3v6.7-rc3Linus Torvalds1-1/+1
2023-11-25parisc: Reduce size of the bug_table on 64-bit kernel by halfHelge Deller2-19/+22
Enable GENERIC_BUG_RELATIVE_POINTERS which will store 32-bit relative offsets to the bug address and the source file name instead of 64-bit absolute addresses. This effectively reduces the size of the bug_table[] array by half on 64-bit kernels. Signed-off-by: Helge Deller <deller@gmx.de>
2023-11-25parisc: Drop the HP-UX ENOSYM and EREMOTERELEASE error codesHelge Deller3-10/+0
Those return codes are only defined for the parisc architecture and are leftovers from when we wanted to be HP-UX compatible. They are not returned by any Linux kernel syscall but do trigger problems with the glibc strerrorname_np() and strerror() functions as reported in glibc issue #31080. There is no need to keep them, so simply remove them. Signed-off-by: Helge Deller <deller@gmx.de> Reported-by: Bruno Haible <bruno@clisp.org> Closes: https://sourceware.org/bugzilla/show_bug.cgi?id=31080 Cc: stable@vger.kernel.org
2023-11-25parisc: Use natural CPU alignment for bug_tableHelge Deller1-12/+18
Make sure that the __bug_table section gets 32- or 64-bit aligned, depending if a 32- or 64-bit kernel is being built. Mark it non-writeable and use .blockz instead of the .org assembler directive to pad the struct. Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # v6.0+
2023-11-25parisc: Ensure 32-bit alignment on parisc unwind sectionHelge Deller1-0/+1
Make sure the .PARISC.unwind section will be 32-bit aligned. Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # v6.0+
2023-11-25parisc: Mark lock_aligned variables 16-byte aligned on SMPHelge Deller1-1/+1
On parisc we need 16-byte alignment for variables which are used for locking. Mark the __lock_aligned attribute acordingly so that the .data..lock_aligned section will get that alignment in the generated object files. Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # v6.0+
2023-11-25parisc: Mark jump_table naturally alignedHelge Deller1-2/+6
The jump_table stores two 32-bit words and one 32- (on 32-bit kernel) or one 64-bit word (on 64-bit kernel). Ensure that the last word is always 64-bit aligned on a 64-bit kernel by aligning the whole structure on sizeof(long). Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # v6.0+
2023-11-25parisc: Mark altinstructions read-only and 32-bit alignedHelge Deller1-3/+6
Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # v6.0+
2023-11-25parisc: Mark ex_table entries 32-bit aligned in uaccess.hHelge Deller1-0/+1
Add an align statement to tell the linker that all ex_table entries and as such the whole ex_table section should be 32-bit aligned in vmlinux and modules. Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # v6.0+
2023-11-25parisc: Mark ex_table entries 32-bit aligned in assembly.hHelge Deller1-0/+1
Add an align statement to tell the linker that all ex_table entries and as such the whole ex_table section should be 32-bit aligned in vmlinux and modules. Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # v6.0+
2023-11-24afs: Mark a superblock for an R/O or Backup volume as SB_RDONLYDavid Howells1-1/+3
Mark a superblock that is for for an R/O or Backup volume as SB_RDONLY when mounting it. Signed-off-by: David Howells <dhowells@redhat.com> cc: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org
2023-11-24afs: Fix file locking on R/O volumes to operate in local modeDavid Howells1-0/+2
AFS doesn't really do locking on R/O volumes as fileservers don't maintain state with each other and thus a lock on a R/O volume file on one fileserver will not be be visible to someone looking at the same file on another fileserver. Further, the server may return an error if you try it. Fix this by doing what other AFS clients do and handle filelocking on R/O volume files entirely within the client and don't touch the server. Fixes: 6c6c1d63c243 ("afs: Provide mount-time configurable byte-range file locking emulation") Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org
2023-11-24afs: Return ENOENT if no cell DNS record can be foundDavid Howells1-0/+10
Make AFS return error ENOENT if no cell SRV or AFSDB DNS record (or cellservdb config file record) can be found rather than returning EDESTADDRREQ. Also add cell name lookup info to the cursor dump. Fixes: d5c32c89b208 ("afs: Fix cell DNS lookup") Reported-by: Markus Suvanto <markus.suvanto@gmail.com> Link: https://bugzilla.kernel.org/show_bug.cgi?id=216637 Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org
2023-11-24lockdep: Fix block chain corruptionPeter Zijlstra1-1/+2
Kent reported an occasional KASAN splat in lockdep. Mark then noted: > I suspect the dodgy access is to chain_block_buckets[-1], which hits the last 4 > bytes of the redzone and gets (incorrectly/misleadingly) attributed to > nr_large_chain_blocks. That would mean @size == 0, at which point size_to_bucket() returns -1 and the above happens. alloc_chain_hlocks() has 'size - req', for the first with the precondition 'size >= rq', which allows the 0. This code is trying to split a block, del_chain_block() takes what we need, and add_chain_block() puts back the remainder, except in the above case the remainder is 0 sized and things go sideways. Fixes: 810507fe6fd5 ("locking/lockdep: Reuse freed chain_hlocks entries") Reported-by: Kent Overstreet <kent.overstreet@linux.dev> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Tested-by: Kent Overstreet <kent.overstreet@linux.dev> Link: https://lkml.kernel.org/r/20231121114126.GH8262@noisy.programming.kicks-ass.net
2023-11-23arm64: add dependency between vmlinuz.efi and ImageMasahiro Yamada1-1/+1
A common issue in Makefile is a race in parallel building. You need to be careful to prevent multiple threads from writing to the same file simultaneously. Commit 3939f3345050 ("ARM: 8418/1: add boot image dependencies to not generate invalid images") addressed such a bad scenario. A similar symptom occurs with the following command: $ make -j$(nproc) ARCH=arm64 Image vmlinuz.efi [ snip ] SORTTAB vmlinux OBJCOPY arch/arm64/boot/Image OBJCOPY arch/arm64/boot/Image AS arch/arm64/boot/zboot-header.o PAD arch/arm64/boot/vmlinux.bin GZIP arch/arm64/boot/vmlinuz OBJCOPY arch/arm64/boot/vmlinuz.o LD arch/arm64/boot/vmlinuz.efi.elf OBJCOPY arch/arm64/boot/vmlinuz.efi The log "OBJCOPY arch/arm64/boot/Image" is displayed twice. It indicates that two threads simultaneously enter arch/arm64/boot/ and write to arch/arm64/boot/Image. It occasionally leads to a build failure: $ make -j$(nproc) ARCH=arm64 Image vmlinuz.efi [ snip ] SORTTAB vmlinux OBJCOPY arch/arm64/boot/Image PAD arch/arm64/boot/vmlinux.bin truncate: Invalid number: 'arch/arm64/boot/vmlinux.bin' make[2]: *** [drivers/firmware/efi/libstub/Makefile.zboot:13: arch/arm64/boot/vmlinux.bin] Error 1 make[2]: *** Deleting file 'arch/arm64/boot/vmlinux.bin' make[1]: *** [arch/arm64/Makefile:163: vmlinuz.efi] Error 2 make[1]: *** Waiting for unfinished jobs.... make: *** [Makefile:234: __sub-make] Error 2 vmlinuz.efi depends on Image, but such a dependency is not specified in arch/arm64/Makefile. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Acked-by: Ard Biesheuvel <ardb@kernel.org> Reviewed-by: SImon Glass <sjg@chromium.org> Link: https://lore.kernel.org/r/20231119053234.2367621-1-masahiroy@kernel.org Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2023-11-23smb: client: introduce cifs_sfu_make_node()Paulo Alcantara3-120/+52
Remove duplicate code and add new helper for creating special files in SFU (Services for UNIX) format that can be shared by SMB1+ code. Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-11-23smb: client: set correct file type from NFS reparse pointsPaulo Alcantara8-61/+116
Handle all file types in NFS reparse points as specified in MS-FSCC 2.1.2.6 Network File System (NFS) Reparse Data Buffer. The client is now able to set all file types based on the parsed NFS reparse point, which used to support only symlinks. This works for SMB1+. Before patch: $ mount.cifs //srv/share /mnt -o ... $ ls -l /mnt ls: cannot access 'block': Operation not supported ls: cannot access 'char': Operation not supported ls: cannot access 'fifo': Operation not supported ls: cannot access 'sock': Operation not supported total 1 l????????? ? ? ? ? ? block l????????? ? ? ? ? ? char -rwxr-xr-x 1 root root 5 Nov 18 23:22 f0 l????????? ? ? ? ? ? fifo l--------- 1 root root 0 Nov 18 23:23 link -> f0 l????????? ? ? ? ? ? sock After patch: $ mount.cifs //srv/share /mnt -o ... $ ls -l /mnt total 1 brwxr-xr-x 1 root root 123, 123 Nov 18 00:34 block crwxr-xr-x 1 root root 1234, 1234 Nov 18 00:33 char -rwxr-xr-x 1 root root 5 Nov 18 23:22 f0 prwxr-xr-x 1 root root 0 Nov 18 23:23 fifo lrwxr-xr-x 1 root root 0 Nov 18 23:23 link -> f0 srwxr-xr-x 1 root root 0 Nov 19 2023 sock Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-11-23smb: client: introduce ->parse_reparse_point()Paulo Alcantara4-42/+56
Parse reparse point into cifs_open_info_data structure and feed it through cifs_open_info_to_fattr(). Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-11-23smb: client: implement ->query_reparse_point() for SMB1Paulo Alcantara5-175/+113
Reparse points are not limited to symlinks, so implement ->query_reparse_point() in order to handle different file types. Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com> Signed-off-by: Steve French <stfrench@microsoft.com>
2023-11-23cifs: fix use after free for iface while disabling secondary channelsRitvik Budhiraja1-1/+1
We were deferencing iface after it has been released. Fix is to release after all dereference instances have been encountered. Signed-off-by: Ritvik Budhiraja <rbudhiraja@microsoft.com> Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <error27@gmail.com> Closes: https://lore.kernel.org/r/202311110815.UJaeU3Tt-lkp@intel.com/ Signed-off-by: Steve French <stfrench@microsoft.com>
2023-11-23USB: serial: option: add Luat Air72*U series productsAsuna Yang1-0/+3
Update the USB serial option driver support for Luat Air72*U series products. ID 1782:4e00 Spreadtrum Communications Inc. UNISOC-8910 T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 13 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1782 ProdID=4e00 Rev=00.00 S: Manufacturer=UNISOC S: Product=UNISOC-8910 C: #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=400mA I: If#= 0 Alt= 0 #EPs= 1 Cls=e0(wlcon) Sub=01 Prot=03 Driver=rndis_host E: Ad=82(I) Atr=03(Int.) MxPS= 8 Ivl=4096ms I: If#= 1 Alt= 0 #EPs= 2 Cls=0a(data ) Sub=00 Prot=00 Driver=rndis_host E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I: If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I: If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms I: If#= 4 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=00 Prot=00 Driver=option E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms If#= 2: AT If#= 3: PPP + AT If#= 4: Debug Co-developed-by: Yangyu Chen <cyy@cyyself.name> Signed-off-by: Yangyu Chen <cyy@cyyself.name> Signed-off-by: Asuna Yang <SpriteOvO@gmail.com> Cc: stable@vger.kernel.org Signed-off-by: Johan Hovold <johan@kernel.org>
2023-11-23tools: ynl: fix duplicate op name in devlinkJakub Kicinski2-1/+7
We don't support CRUD-inspired message types in YNL too well. One aspect that currently trips us up is the fact that single message ID can be used in multiple commands (as the response). This leads to duplicate entries in the id-to-string tables: devlink-user.c:19:34: warning: initialized field overwritten [-Woverride-init] 19 | [DEVLINK_CMD_PORT_NEW] = "port-new", | ^~~~~~~~~~ devlink-user.c:19:34: note: (near initialization for ‘devlink_op_strmap[7]’) Fixes tag points at where the code was generated, the "real" problem is that the code generator does not support CRUD. Fixes: f2f9dd164db0 ("netlink: specs: devlink: add the remaining command to generate complete split_ops") Link: https://lore.kernel.org/r/20231123030558.1611831-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
generated by cgit v1.2.3 (git 2.39.1) at 2026-01-07 09:49:42 +0000