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Fabien Proriol 129e59feb5 power: supply: sbs-charger: Support multiple devices [ Upstream commit `3ec6002108` ] If we have 2 instances of sbs-charger in the DTS, the driver probe for the second instance will fail: [ 8.012874] sbs-battery 18-000b: sbs-battery: battery gas gauge device registered [ 8.039094] sbs-charger 18-0009: ltc4100: smart charger device registered [ 8.112911] sbs-battery 20-000b: sbs-battery: battery gas gauge device registered [ 8.134533] sysfs: cannot create duplicate filename '/class/power_supply/sbs-charger' [ 8.143871] CPU: 3 PID: 295 Comm: systemd-udevd Tainted: G O 5.10.147 #22 [ 8.151974] Hardware name: ALE AMB (DT) [ 8.155828] Call trace: [ 8.158292] dump_backtrace+0x0/0x1d4 [ 8.161960] show_stack+0x18/0x6c [ 8.165280] dump_stack+0xcc/0x128 [ 8.168687] sysfs_warn_dup+0x60/0x7c [ 8.172353] sysfs_do_create_link_sd+0xf0/0x100 [ 8.176886] sysfs_create_link+0x20/0x40 [ 8.180816] device_add+0x270/0x7a4 [ 8.184311] __power_supply_register+0x304/0x560 [ 8.188930] devm_power_supply_register+0x54/0xa0 [ 8.193644] sbs_probe+0xc0/0x214 [sbs_charger] [ 8.198183] i2c_device_probe+0x2dc/0x2f4 [ 8.202196] really_probe+0xf0/0x510 [ 8.205774] driver_probe_device+0xfc/0x160 [ 8.209960] device_driver_attach+0xc0/0xcc [ 8.214146] __driver_attach+0xc0/0x170 [ 8.218002] bus_for_each_dev+0x74/0xd4 [ 8.221862] driver_attach+0x24/0x30 [ 8.225444] bus_add_driver+0x148/0x250 [ 8.229283] driver_register+0x78/0x130 [ 8.233140] i2c_register_driver+0x4c/0xe0 [ 8.237250] sbs_driver_init+0x20/0x1000 [sbs_charger] [ 8.242424] do_one_initcall+0x50/0x1b0 [ 8.242434] do_init_module+0x44/0x230 [ 8.242438] load_module+0x2200/0x27c0 [ 8.242442] __do_sys_finit_module+0xa8/0x11c [ 8.242447] __arm64_sys_finit_module+0x20/0x30 [ 8.242457] el0_svc_common.constprop.0+0x64/0x154 [ 8.242464] do_el0_svc+0x24/0x8c [ 8.242474] el0_svc+0x10/0x20 [ 8.242481] el0_sync_handler+0x108/0x114 [ 8.242485] el0_sync+0x180/0x1c0 [ 8.243847] sbs-charger 20-0009: Failed to register power supply [ 8.287934] sbs-charger: probe of 20-0009 failed with error -17 This is mainly because the "name" field of power_supply_desc is a constant. This patch fixes the issue by reusing the same approach as sbs-battery. With this patch, the result is: [ 7.819532] sbs-charger 18-0009: ltc4100: smart charger device registered [ 7.825305] sbs-battery 18-000b: sbs-battery: battery gas gauge device registered [ 7.887423] sbs-battery 20-000b: sbs-battery: battery gas gauge device registered [ 7.893501] sbs-charger 20-0009: ltc4100: smart charger device registered Signed-off-by: Fabien Proriol <fabien.proriol@viavisolutions.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Sasha Levin <sashal@kernel.org>		History 2025-11-13 15:36:49 -05:00
arch	arc: Fix __fls() const-foldability via __builtin_clzl()	2025-11-13 15:36:48 -05:00
block	block: require LBA dma_alignment when using PI	2025-10-29 14:10:28 +01:00
certs	sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3	2024-09-20 19:52:48 +03:00
crypto	crypto: essiv - Check ssize for decryption and in-place encryption	2025-10-19 16:37:14 +02:00
Documentation	dpll: spec: add missing module-name and clock-id to pin-get reply	2025-11-13 15:36:42 -05:00
drivers	power: supply: sbs-charger: Support multiple devices	2025-11-13 15:36:49 -05:00
fs	smb: client: fix potential cfid UAF in smb2_query_info_compound	2025-11-13 15:36:38 -05:00
include	bpf: Use tnums for JEQ/JNE is_branch_taken logic	2025-11-13 15:36:46 -05:00
init	init: handle bootloader identifier in kernel parameters	2025-10-19 16:37:27 +02:00
io_uring	io_uring/zctx: check chained notif contexts	2025-11-13 15:36:47 -05:00
ipc	vfs-6.17-rc1.mmap_prepare	2025-07-28 13:43:25 -07:00
kernel	bpf: Use tnums for JEQ/JNE is_branch_taken logic	2025-11-13 15:36:46 -05:00
lib	kunit: test_dev_action: Correctly cast 'priv' pointer to long*	2025-11-13 15:36:39 -05:00
LICENSES	LICENSES: Replace the obsolete address of the FSF in the GFDL-1.2	2025-07-24 11:15:39 +02:00
mm	treewide: remove MIGRATEPAGE_SUCCESS	2025-10-29 14:10:32 +01:00
net	mptcp: fix MSG_PEEK stream corruption	2025-11-13 15:36:45 -05:00
rust	rust: device: fix device context of Device::parent()	2025-10-29 14:10:22 +01:00
samples	15 hotfixes. 11 are cc:stable and the remainder address post-6.16 issues	2025-09-17 21:34:26 -07:00
scripts	kbuild: Add '.rel.*' strip pattern for vmlinux	2025-10-19 16:37:15 +02:00
security	KEYS: trusted_tpm1: Compare HMAC values in constant time	2025-10-19 16:37:28 +02:00
sound	ASoC: soc_sdw_utils: remove cs42l43 component_name	2025-11-13 15:36:42 -05:00
tools	thermal: intel: selftests: workload_hint: Mask unsupported types	2025-11-13 15:36:48 -05:00
usr	usr/include: openrisc: don't HDRTEST bpf_perf_event.h	2025-05-12 15:03:17 +09:00
virt	Merge tag 'kvm-x86-no_assignment-6.17' of https://github.com/kvm-x86/linux into HEAD	2025-07-29 08:36:42 -04:00
.clang-format	Linux 6.15-rc5	2025-05-06 16:39:25 +10:00
.clippy.toml	rust: clean Rust 1.88.0's warning about `clippy::disallowed_macros` configuration	2025-05-07 00:11:47 +02:00
.cocciconfig	scripts: add Linux .cocciconfig for coccinelle	2016-07-22 12:13:39 +02:00
.editorconfig	.editorconfig: remove trim_trailing_whitespace option	2024-06-13 16:47:52 +02:00
.get_maintainer.ignore	MAINTAINERS: remove Alyssa Rosenzweig	2025-09-18 21:17:31 +02:00
.gitattributes	.gitattributes: set diff driver for Rust source code files	2023-05-31 17:48:25 +02:00
.gitignore	gitignore: allow .pylintrc to be tracked	2025-07-02 17:10:04 -06:00
.mailmap	7 hotfixes. 4 are cc:stable and the remainder address post-6.16 issues or	2025-09-28 09:32:00 -07:00
.pylintrc	docs: add a .pylintrc file with sys path for docs scripts	2025-04-09 12:10:33 -06:00
.rustfmt.toml	rust: add `.rustfmt.toml`	2022-09-28 09:02:20 +02:00
COPYING	COPYING: state that all contributions really are covered by this file	2020-02-10 13:32:20 -08:00
CREDITS	MAINTAINERS: retire Boris from TLS maintainers	2025-08-26 17:36:01 -07:00
Kbuild	drm: ensure drm headers are self-contained and pass kernel-doc	2025-02-12 10:44:43 +02:00
Kconfig	io_uring: Rename KConfig to Kconfig	2025-02-19 14:53:27 -07:00
MAINTAINERS	i2c-for-6.17-rc8	2025-09-28 13:19:23 -07:00
Makefile	Linux 6.17.7	2025-11-02 22:18:05 +09:00
README	README: Fix spelling	2024-03-18 03:36:32 -06:00

README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.