serial: fsl_lpuart: fix maximum acceptable baud rate with over-sampling
authorTomonori Sakita <tomonori.sakita@sord.co.jp>
Mon, 21 Jan 2019 08:34:16 +0000 (17:34 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 22 Jan 2019 08:32:08 +0000 (09:32 +0100)
commit815d835b7ba46685c316b000013367dacb2b461b
tree901f1e7e6ba359b0b3bcf6491f6aeca75a1b1d5f
parente8a6ca808c5ed1e2b43ab25f1f2cbd43a7574f73
serial: fsl_lpuart: fix maximum acceptable baud rate with over-sampling

Using over-sampling ratio, lpuart can accept baud rate upto uartclk / 4.

Signed-off-by: Tomonori Sakita <tomonori.sakita@sord.co.jp>
Signed-off-by: Atsushi Nemoto <atsushi.nemoto@sord.co.jp>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/fsl_lpuart.c