]> git.baikalelectronics.ru Git - kernel.git/commit
serial: imx: Fix DCD reading
authorSascha Hauer <s.hauer@pengutronix.de>
Mon, 26 Sep 2016 13:55:31 +0000 (15:55 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 27 Sep 2016 10:55:27 +0000 (12:55 +0200)
commit5fdb863f88981836f6b7032b9553880e1f2ac5d7
tree5dd11667c5a82ee586f2e9d62ffe8daee6bfea7e
parent38278c500f4241f7c51d910ffec26dca743558e4
serial: imx: Fix DCD reading

The USR2_DCDIN bit is tested for in register usr1. As the name
suggests the usr2 register should be used instead. This fixes
reading the Carrier detect status.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Fixes: ee80bbf22b35 ("serial: imx: repair and complete handshaking")
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: <stable@vger.kernel.org> # 4.5+
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/imx.c