iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

serial: core: Revert checks for tx runtime PM state

Browse Source 
This reverts commit 81a61051e0.

With tty and serdev controller moved to be children of the serial core
port device, runtime PM usage count of the serdev controller now
propagates to the serial hardware controller parent device as expected.

Cc: Maximilian Luz <luzmaximilian@gmail.com>
Cc: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231113080758.30346-2-tony@atomide.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tony Lindgren 2023-11-13 10:07:53 +02:00 committed by Greg Kroah-Hartman
parent b286f4e87e
commit 45a3a8ef81
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/tty/serial/serial_core.c
View File

@ -156,7 +156,7 @@ static void __uart_start(struct uart_state *state)
* enabled, serial_port_runtime_resume() calls start_tx() again
* after enabling the device.
*/
if (!pm_runtime_enabled(port->dev) || pm_runtime_active(port->dev))
if (pm_runtime_active(&port_dev->dev))
port->ops->start_tx(port);
pm_runtime_mark_last_busy(&port_dev->dev);
pm_runtime_put_autosuspend(&port_dev->dev);