serial: stm32: fix pio transmit timeout
authorGerald Baeza <gerald.baeza@st.com>
Mon, 31 Jul 2017 09:31:52 +0000 (09:31 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 28 Aug 2017 18:51:19 +0000 (20:51 +0200)
commita61d9e6e30d48b67fe864ba4bb9babac7b178312
tree17b0a3f37e01295bdb11bbe5be1aee4cdae02460
parenta704ddc2504610ba4227d1ae036e962e530c8c0b
serial: stm32: fix pio transmit timeout

100µs was too short for low speed transmission
(9600bps)

Signed-off-by: Gerald Baeza <gerald.baeza@st.com>
Signed-off-by: Bich Hemon <bich.hemon@st.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/stm32-usart.c