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| author | Daniel Tang <danielzgtg.opensource@gmail.com> | 2025-08-28 01:38:14 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-10-29 13:59:52 +0100 |
| commit | e2512755bc1859bf5f51013acb43e56a8f9a0081 (patch) | |
| tree | b0c9e0114de8bb63bb378ef1afa217f43888a372 /drivers/acpi | |
| parent | 41d73f8054bf7219a4525a5279bd25e065321eb2 (diff) | |
| download | linux-e2512755bc1859bf5f51013acb43e56a8f9a0081.tar.gz linux-e2512755bc1859bf5f51013acb43e56a8f9a0081.tar.bz2 linux-e2512755bc1859bf5f51013acb43e56a8f9a0081.zip | |
ACPI: TAD: Add missing sysfs_remove_group() for ACPI_TAD_RT
commit 4aac453deca0d9c61df18d968f8864c3ae7d3d8d upstream.
Previously, after `rmmod acpi_tad`, `modprobe acpi_tad` would fail
with this dmesg:
sysfs: cannot create duplicate filename '/devices/platform/ACPI000E:00/time'
Call Trace:
<TASK>
dump_stack_lvl+0x6c/0x90
dump_stack+0x10/0x20
sysfs_warn_dup+0x8b/0xa0
sysfs_add_file_mode_ns+0x122/0x130
internal_create_group+0x1dd/0x4c0
sysfs_create_group+0x13/0x20
acpi_tad_probe+0x147/0x1f0 [acpi_tad]
platform_probe+0x42/0xb0
</TASK>
acpi-tad ACPI000E:00: probe with driver acpi-tad failed with error -17
Fixes: 3230b2b3c1ab ("ACPI: TAD: Add low-level support for real time capability")
Signed-off-by: Daniel Tang <danielzgtg.opensource@gmail.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://patch.msgid.link/2881298.hMirdbgypa@daniel-desktop3
Cc: 5.2+ <stable@vger.kernel.org> # 5.2+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpi_tad.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c index bab8583443a6..3db173e30779 100644 --- a/drivers/acpi/acpi_tad.c +++ b/drivers/acpi/acpi_tad.c @@ -563,6 +563,9 @@ static int acpi_tad_remove(struct platform_device *pdev) pm_runtime_get_sync(dev); + if (dd->capabilities & ACPI_TAD_RT) + sysfs_remove_group(&dev->kobj, &acpi_tad_time_attr_group); + if (dd->capabilities & ACPI_TAD_DC_WAKE) sysfs_remove_group(&dev->kobj, &acpi_tad_dc_attr_group); |