- 26 Feb, 2024 8 commits
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Andy Shevchenko authored
Add initial driver for the MAX6958 and MAX6959 7-segment LED controllers. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
Add initial device tree documentation for Maxim MAX6958/6959. As per reviewer's request mention the fact of absence the reset and power enable pins, since the hardware is quite simple. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Andy Shevchenko authored
The struct ht16k33_seg is repeating struct linedisp. Use the latter directly. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
Since line display library supports necessary bits to map the characters (if required), switch this driver to use that. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Robin van der Gracht <robin@protonic.nl> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
Define a few helper macros — wrappers on container_of() — for easier maintenance in the future. While at it, include missing container_of.h. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
We will need the update functions to be defined before ht16k33_linedisp_ops. Move the latter down in the code. No functional change intended. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Robin van der Gracht <robin@protonic.nl> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
Currently the compiler (GCC) is able to figure out that there is no other choices possible than those that are already listed in the switch-cases. However, if we want to move some code to the callback, compiler will start complaining that no default is defined. Make sure we have all switch-cases equiped with default. Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
Always allocate a buffer for the currently displayed characters. It makes the line display API simpler. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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- 15 Feb, 2024 9 commits
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Andy Shevchenko authored
There is already the driver using character mapping table for 7 or 14 segment display. It is possible to override it. Make the similar in the line display library to allow other drivers to utilise the same functionality. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
Currently the line display library doesn't scale in case we want to provide more operations. Prepare the library to take a newly created struct linedisp_ops that scales. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
Avoid unnecessary pollution of the global symbol namespace by moving library functions in to a specific namespace and import that into the drivers that make use of the functions. For more info: https://lwn.net/Articles/760045/Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
Do not imply that some of the generic headers may be always included. Instead, include explicitly what we are direct user of. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
kstrtox() may return different error codes. Unshadow them in the ->store() callback to give better error report. While at it, add missing kstrtox.h inclusion. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
The absence of decrementation of linedisp_id is incorrect in two ways, i.e. it may cause: - an ID exhaustion - (and if the above is addressed) a duplicate id number may be allocated next time a device is added Replace above mentioned approach by using IDA framework. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
While there is no issue currently with the resources allocation, the code may still be made more robust by deallocating message in the ->release() callback. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
Move embedded struct linedisp member to make container_of() no-op. Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
Switch to use module_parport_driver() to reduce boilerplate code. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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- 14 Feb, 2024 3 commits
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Krzysztof Kozlowski authored
Improve example DTS readability by using known defines for GPIO flags. Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Krzysztof Kozlowski authored
The example DTS should be indented with two or four (preferred) spaces, as mentioned in Writing Schema document. While re-indenting, change the node names to somehow generic names, as expected by Devicetree specification. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ralf Schlatterbeck <rsc@runtux.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Andy Shevchenko authored
The mapping files are tightly related to auxdisplay subsystem. Add them to the MAINTAINERS database. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
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- 12 Feb, 2024 1 commit
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Andy Shevchenko authored
I have no time for this, but since it looks like I'm the main contributor for the last few years to the subsystem, I'll take it for now. Geert agreed to help me as a designated reviewer. Let's see how it will go... Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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- 21 Jan, 2024 19 commits
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Linus Torvalds authored
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https://evilpiepirate.org/git/bcachefsLinus Torvalds authored
Pull more bcachefs updates from Kent Overstreet: "Some fixes, Some refactoring, some minor features: - Assorted prep work for disk space accounting rewrite - BTREE_TRIGGER_ATOMIC: after combining our trigger callbacks, this makes our trigger context more explicit - A few fixes to avoid excessive transaction restarts on multithreaded workloads: fstests (in addition to ktest tests) are now checking slowpath counters, and that's shaking out a few bugs - Assorted tracepoint improvements - Starting to break up bcachefs_format.h and move on disk types so they're with the code they belong to; this will make room to start documenting the on disk format better. - A few minor fixes" * tag 'bcachefs-2024-01-21' of https://evilpiepirate.org/git/bcachefs: (46 commits) bcachefs: Improve inode_to_text() bcachefs: logged_ops_format.h bcachefs: reflink_format.h bcachefs; extents_format.h bcachefs: ec_format.h bcachefs: subvolume_format.h bcachefs: snapshot_format.h bcachefs: alloc_background_format.h bcachefs: xattr_format.h bcachefs: dirent_format.h bcachefs: inode_format.h bcachefs; quota_format.h bcachefs: sb-counters_format.h bcachefs: counters.c -> sb-counters.c bcachefs: comment bch_subvolume bcachefs: bch_snapshot::btime bcachefs: add missing __GFP_NOWARN bcachefs: opts->compression can now also be applied in the background bcachefs: Prep work for variable size btree node buffers bcachefs: grab s_umount only if snapshotting ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer updates from Thomas Gleixner: "Updates for time and clocksources: - A fix for the idle and iowait time accounting vs CPU hotplug. The time is reset on CPU hotplug which makes the accumulated systemwide time jump backwards. - Assorted fixes and improvements for clocksource/event drivers" * tag 'timers-core-2024-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tick-sched: Fix idle and iowait sleeptime accounting vs CPU hotplug clocksource/drivers/ep93xx: Fix error handling during probe clocksource/drivers/cadence-ttc: Fix some kernel-doc warnings clocksource/drivers/timer-ti-dm: Fix make W=n kerneldoc warnings clocksource/timer-riscv: Add riscv_clock_shutdown callback dt-bindings: timer: Add StarFive JH8100 clint dt-bindings: timer: thead,c900-aclint-mtimer: separate mtime and mtimecmp regs
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Aneesh Kumar: - Increase default stack size to 32KB for Book3S Thanks to Michael Ellerman. * tag 'powerpc-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64s: Increase default stack size to 32KB
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Kent Overstreet authored
Add line breaks - inode_to_text() is now much easier to read. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
bcachefs_format.h has gotten too big; let's do some organizing. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Kent Overstreet authored
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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