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ACPI fixes for 5.10-rc5.

Browse Source 
- Make the APEI code avoid attempts to obtain logical addresses for
    registers located in the I/O address space to fix initialization
    issues (Aili Yao).
 
  - Fix sysfs attribute initialization in the ACPI fan driver (Guenter
    Roeck).
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Merge tag 'acpi-5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fixes from Rafael Wysocki:
 "These fix recent regression in the APEI code and initialization issue
  in the ACPI fan driver.

  Specifics:

   - Make the APEI code avoid attempts to obtain logical addresses for
     registers located in the I/O address space to fix initialization
     issues (Aili Yao)

   - Fix sysfs attribute initialization in the ACPI fan driver (Guenter
     Roeck)"

* tag 'acpi-5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI, APEI, Fix error return value in apei_map_generic_address()
  ACPI: fan: Initialize performance state sysfs attribute
This commit is contained in:
Linus Torvalds 2020-11-19 11:15:15 -08:00
commit 131ad0b6f5
2 changed files with 5 additions and 0 deletions
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4
drivers/acpi/apei/apei-base.c
View File

@ -633,6 +633,10 @@ int apei_map_generic_address(struct acpi_generic_address *reg)
if (rc)
return rc;
/* IO space doesn't need mapping */
if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
return 0;
if (!acpi_os_map_generic_address(reg))
return -ENXIO;

1
drivers/acpi/fan.c
View File

@ -352,6 +352,7 @@ static int acpi_fan_get_fps(struct acpi_device *device)
struct acpi_fan_fps *fps = &fan->fps[i];
snprintf(fps->name, ACPI_FPS_NAME_LEN, "state%d", i);
sysfs_attr_init(&fps->dev_attr.attr);
fps->dev_attr.show = show_state;
fps->dev_attr.store = NULL;
fps->dev_attr.attr.name = fps->name;