tree 77613195d9f73a5a740e8115eea2584ada59505e
parent f3006e44dd3dc0f2d0ce636585ed95d5b4ad6f35
author Janusz Uzycki <j.uzycki@elproma.com.pl> 1416003873 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1416963999 -0800

serial: mxs-auart: fix gpio change detection on interrupt

mxs_auart_modem_status() did't detect gpio's state change
because s->mctrl_prev was modified before by mctrl_gpio_get().
The patch introduces mctrl_temp variable to fix the bug.

Signed-off-by: Janusz Uzycki <j.uzycki@elproma.com.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>