Andrey Golovko 00268f9452 regmap: sdw-mbq: don't call an unset readable_reg callback ...

regmap_sdw_mbq_poll_busy() decides whether to poll the Function Busy bit
by calling ctx->readable_reg(), which is a straight copy of
config->readable_reg. That callback is optional: regmap_readable() treats
a NULL ->readable_reg as "every register is readable", and drivers rely on
that. es9356 and tac5xx2-sdw both build an MBQ regmap without one.

Since commit ca1b11b36d ("regmap: sdw-mbq: Allow defers on undeferrable
controls") the poll runs on every -ENODATA, not only for Controls the
driver marked deferrable, so any of those devices answering
COMMAND_IGNORED takes the kernel through a NULL function pointer.

Treat a missing callback the way the rest of regmap does and poll.

Fixes: 5bc493bf0c ("regmap: sdw-mbq: Add support for SDCA deferred controls")
Signed-off-by: Andrey Golovko <andrey.golovko@gmail.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/20260811184500.5312-1-andrey.golovko@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

2026-08-12 18:08:48 +01:00

..

firmware_loader

Merge tag 'sound-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

2026-06-17 11:18:45 +01:00

power

Merge tag 'bpf-next-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

2026-06-17 09:18:14 +01:00

regmap

regmap: sdw-mbq: don't call an unset readable_reg callback

2026-08-12 18:08:48 +01:00

test

drivers: base: test: Add ...find_device_by...(... NULL) tests

2024-12-24 09:48:09 +01:00

arch_numa.c

arch_numa: Restore nid checks before registering a memblock with a node

2024-12-01 22:04:52 +02:00

arch_topology.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

attribute_container.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

auxiliary_sysfs.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

auxiliary.c

Merge tag 'acpi-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

2026-04-13 19:25:07 -07:00

base.h

driver core: constify group arrays arguments in driver_add_groups and driver_remove_groups

2026-05-22 13:32:05 +02:00

bus.c

driver core: reject devices with unregistered buses

2026-05-02 17:50:50 +02:00

cacheinfo.c

sched/cache: Calculate the LLC size and store it in sched_domain

2026-05-18 21:33:15 +02:00

class.c

kernfs: pass struct ns_common instead of const void * for namespace tags

2026-04-09 14:36:52 +02:00

component.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

container.c

driver core: container: make container_subsys const

2023-12-21 13:56:10 +01:00

core.c

driver core: Constify core device attributes

2026-05-22 13:36:55 +02:00

cpu.c

driver core: Replace dev->offline + ->offline_disabled with accessors

2026-04-26 23:51:02 +02:00

dd.c

driver core: Use system_percpu_wq instead of system_wq

2026-06-02 15:08:56 +02:00

devcoredump.c

devcoredump: Remove exit call

2026-05-22 13:26:51 +02:00

devres.c

devres: rename and export set_node_dbginfo()

2026-03-18 00:02:59 +01:00

devtmpfs.c

devtmpfs: Replace simple_strtoul with kstrtoint in mount_param

2026-01-16 16:44:43 +01:00

driver.c

driver core: remove driver_set_override()

2026-05-30 22:25:50 +02:00

faux.c

driver core: faux: clean up init error handling

2026-05-02 17:50:50 +02:00

firmware.c

…

hypervisor.c

…

init.c

driver core: make software nodes available earlier

2026-04-04 00:33:49 +02:00

isa.c

isa: switch to dynamic root device

2026-05-04 22:05:03 +02:00

Kconfig

driver core: Make deferred_probe_timeout default a Kconfig option

2026-03-30 20:45:27 +02:00

Makefile

Revert "revocable: Add Kunit test cases"

2026-02-06 16:08:48 +01:00

map.c

Convert 'alloc_obj' family to use the new default GFP_KERNEL argument

2026-02-21 17:09:51 -08:00

memory.c

Merge tag 'mm-stable-2026-06-18-09-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2026-06-19 10:14:34 -07:00

module.c

drivers: base: handle module_kobject creation

2025-04-16 15:10:55 +02:00

node.c

drivers/base/memory: make memory block get/put explicit

2026-06-02 15:22:12 -07:00

physical_location.c

Convert more 'alloc_obj' cases to default GFP_KERNEL arguments

2026-02-21 20:03:00 -08:00

physical_location.h

driver core: physical_location.h remove extern from function prototypes

2023-03-24 15:35:48 +01:00

pinctrl.c

driver core: Replace dev->of_node_reused with dev_of_node_reused()

2026-04-26 23:50:20 +02:00

platform-msi.c

platform-msi: Remove stale comment

2026-02-26 10:48:19 +01:00

platform.c

driver core: platform: set mod_name in driver registration

2026-06-08 23:28:24 +02:00

property.c

device property: fix fwnode reference leak in fwnode_graph_get_endpoint_by_id()

2026-05-22 13:33:09 +02:00

soc.c

base: soc: rename and export soc_device_get_machine()

2026-03-12 16:18:49 +01:00

swnode.c

software node: provide wrappers around kobject_get/put()

2026-05-09 20:22:40 +02:00

syscore.c

syscore: Pass context data to callbacks

2025-11-14 10:01:52 +01:00

topology.c

sysfs: treewide: switch back to attribute_group::bin_attrs

2025-06-17 10:44:15 +02:00

trace.c

devres: Enable trace events

2021-06-15 17:14:36 +02:00

trace.h

devres: Fix page faults when tracing devres from unloaded modules

2024-10-14 08:21:09 +02:00

transport_class.c

Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

2026-02-12 15:43:02 -08:00