diff options
| author | Alex Hung <alex.hung@canonical.com> | 2018-03-05 00:57:06 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-09 12:37:10 -0500 |
| commit | 161c3bc30f3a07458f91f15e35d5b2e91fa617cc (patch) | |
| tree | 841f5500837c83e6b3a9ea244f196c6b944a44ee | |
| parent | 57edd462270bf2c50049b73774cb5915e2f12aa8 (diff) | |
usb: clarify ACPI spec version and section number for _UPC & _PLD
ACPI spec inserts sections for new features frequently and section
numbers are changed. It is easy to refer to ACPI spec if ACPI version
is available in comments.
There are no functional changes.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/core/usb-acpi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/core/usb-acpi.c b/drivers/usb/core/usb-acpi.c index 84da17460568..e221861b3187 100644 --- a/drivers/usb/core/usb-acpi.c +++ b/drivers/usb/core/usb-acpi.c | |||
| @@ -90,8 +90,8 @@ static enum usb_port_connect_type usb_acpi_get_connect_type(acpi_handle handle, | |||
| 90 | acpi_status status; | 90 | acpi_status status; |
| 91 | 91 | ||
| 92 | /* | 92 | /* |
| 93 | * According to ACPI Spec 9.13. PLD indicates whether usb port is | 93 | * According to 9.14 in ACPI Spec 6.2. _PLD indicates whether usb port |
| 94 | * user visible and _UPC indicates whether it is connectable. If | 94 | * is user visible and _UPC indicates whether it is connectable. If |
| 95 | * the port was visible and connectable, it could be freely connected | 95 | * the port was visible and connectable, it could be freely connected |
| 96 | * and disconnected with USB devices. If no visible and connectable, | 96 | * and disconnected with USB devices. If no visible and connectable, |
| 97 | * a usb device is directly hard-wired to the port. If no visible and | 97 | * a usb device is directly hard-wired to the port. If no visible and |