tty: serial: imx.c: Reset UART before activating interrupts

Browse source

If the UART has been in use before this driver was loaded, IRQs might be
active and get fired as soon as we set the handler, which will crash
in the spin_lock_irqsave(&sport->port.lock, flags) because port.lock is
not initialized until the port is added at the end of probe.

Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

David Jander 2015-07-02 16:29:49 +02:00 • committed by Greg Kroah-Hartman

parent e9b5a9825f

commit e95044ba4f

1 changed files with 23 additions and 9 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

32

drivers/tty/serial/imx.c

View file