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The conversion to DEFINE_NOIRQ_DEV_PM_OPS() lost the ability of the
compiler to optimize away the struct dev_pm_ops object when it is not
needed.
Fix this by replacing the use of pm_sleep_ptr() by a custom wrapper.
Fixes: 727eb02eb753375e ("pinctrl: renesas: Switch to use DEFINE_NOIRQ_DEV_PM_OPS() helper")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/6238a78e32fa21f0c795406b6cba7bce7af92577.1708513940.git.geert+renesas@glider.be
pinctrl-rzg2l driver is used on RZ/G3S which support deep sleep states
where power to most of the SoC components is turned off.
For this add suspend/resume support. This involves saving and restoring
configured registers along with disabling clock in case there is no pin
configured as wakeup sources.
To save/restore registers 2 caches were allocated: one for GPIO pins and
one for dedicated pins.
On suspend path the pin controller registers are saved and if none of the
pins are configured as wakeup sources the pinctrl clock is disabled.
Otherwise it remains on.
On resume path the configuration is done as follows:
1/ setup PFCs by writing to registers on pin based accesses
2/ setup GPIOs by writing to registers on port based accesses and
following configuration steps specified in hardware manual
3/ setup dedicated pins by writing to registers on port based accesses
4/ setup interrupts.
Because interrupt signals are routed to IA55 interrupt controller and
IA55 interrupt controller resumes before pin controller, patch restores
also the configured interrupts just after pin settings are restored to
avoid invalid interrupts while resuming.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240215124112.2259103-3-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
The pinctrl-rzg2l driver accesses gpio_chip.irq, which is available only
if CONFIG_GPIOLIB_IRQCHIP=y, and uses APIs that are defined only if
CONFIG_IRQ_DOMAIN_HIERARCHY=y (irq_chip_*_parent() APIs).
On ARCH_RZG2L, CONFIG_IRQ_DOMAIN_HIERARCHY is selected anyway, e.g. by
CONFIG_ARM_GIC_V3, but CONFIG_GPIOLIB_IRQCHIP is not (it is on R-Car).
Make this explicit at the driver level for a clearer view of the
dependencies.
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240215124112.2259103-2-claudiu.beznea.uj@bp.renesas.com
[geert: select GPIOLIB_IRQCHIP, too]
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Currently on irq_disable(), we are disabling gpio interrupt enable(ISEL).
That means the pin is just gpio input and not gpio input interrupt any
more. So, move configuring ISEL in rzg2l_gpio_child_to_parent_hwirq()/
rzg2l_gpio_irq_domain_free() so that the pin will be gpioint always even
during irq_disable().
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240206135318.165426-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Configure GPIO interrupt as input mode. Also if the bootloader sets
gpio interrupt pin as function, override it as gpio.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240206135115.151218-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Add the missing port pins P19 to P28 for RZ/Five SoC. These additional
pins provide expanded capabilities and are exclusive to the RZ/Five SoC.
Couple of port pins have different configuration and are not identical for
the complete port so introduce struct rzg2l_variable_pin_cfg to handle
such cases and introduce the PIN_CFG_VARIABLE macro. The actual pin config
is then assigned in rzg2l_pinctrl_get_variable_pin_cfg().
Add an additional check in rzg2l_gpio_get_gpioint() to only allow GPIO pins
which support interrupt facility.
While at define RZG2L_GPIO_PORT_PACK() using RZG2L_GPIO_PORT_SPARSE_PACK().
Update the gpio-ranges property in the RZ/Five SoC DTSI, as it must
match the driver.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240129135556.63466-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Link: https://lore.kernel.org/r/20240129135556.63466-5-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Currently we assume all the port pins are sequential ie always PX_0 to
PX_n (n=1..7) exist, but on RZ/Five SoC we have additional pins P19_1 to
P28_5 which have holes in them, for example only one pin on port19 is
available and that is P19_1 and not P19_0. So to handle such cases
include pinmap for each port which would indicate the pin availability
on each port. As the pincount can be calculated based on pinmap drop this
from RZG2L_GPIO_PORT_PACK() macro.
Previously we had a max of 7 pins on each port but on RZ/Five Port-20
has 8 pins, so move the single pin configuration to BIT(63).
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240129135556.63466-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
If the number of provided enum IDs in a variable width config register
description does not match the expected number, the checker uses the
expected number for validating the individual enum IDs.
However, this may cause out-of-bounds accesses on the array holding the
enum IDs, leading to bogus enum_id conflict warnings. Worse, if the bug
is an incorrect bit field description (e.g. accidentally using "12"
instead of "-12" for a reserved field), thousands of warnings may be
printed, overflowing the kernel log buffer.
Fix this by limiting the enum ID check to the number of provided enum
IDs.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/c7385f44f2faebb8856bcbb4e908d846fc1531fb.1705930809.git.geert+renesas@glider.be
Commit d3aaa7203a17 ("pinctrl: renesas: rzg2l: Add pin configuration
support for pinmux groups") introduced the possibility to parse pin
configuration for pinmux groups. It did that by calling
rzg2l_map_add_config() at the end of rzg2l_dt_subnode_to_map() and
jumping to the remove_group label in case rzg2l_map_add_config() failed.
But if that happens, the mutex will already be unlocked, thus this it will
lead to double mutex unlock operation. To fix this move the
rzg2l_map_add_config() call just after all the name argument is ready and
before the mutex is locked. There is no harm in doing this, as this only
parses the data from device tree that will be further processed by
pinctrl core code.
Fixes: d3aaa7203a17 ("pinctrl: renesas: rzg2l: Add pin configuration support for pinmux groups")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/all/f8c3a3a0-7c48-4e40-8af0-ed4e9d9b049f@moroto.mountain
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20240115153453.99226-1-claudiu.beznea.uj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
- 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
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Merge tag 'bcachefs-2024-01-21' of https://evilpiepirate.org/git/bcachefs
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
...
- 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
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Merge tag 'timers-core-2024-01-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
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
- 18f14afe2816 powerpc/64s: Increase default stack size to 32KB BY: Michael Ellerman
Thanks to:
Michael Ellerman
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Merge tag 'powerpc-6.8-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
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
Add a field to bch_snapshot for creation time; this will be important
when we start exposing the snapshot tree to userspace.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
The "apply this compression method in the background" paths now use the
compression option if background_compression is not set; this means that
setting or changing the compression option will cause existing data to
be compressed accordingly in the background.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
bcachefs btree nodes are big - typically 256k - and btree roots are
pinned in memory. As we're now up to 18 btrees, we now have significant
memory overhead in mostly empty btree roots.
And in the future we're going to start enforcing that certain btree node
boundaries exist, to solve lock contention issues - analagous to XFS's
AGIs.
Thus, we need to start allocating smaller btree node buffers when we
can. This patch changes code that refers to the filesystem constant
c->opts.btree_node_size to refer to the btree node buffer size -
btree_buf_bytes() - where appropriate.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>