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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>
Sat, 23 Mar 2019 07:18:53 +0000 (08:18 +0100)
commite3fa9f464464ea5fc3f39912951c009f063c3607
treed3fe248aa454d8d7b713219c2057c32ae364994ftree
parentc1b8a5c7566f78c41c1882b5b556ecbb5209b27ecommit | diff
serial: fsl_lpuart: fix maximum acceptable baud rate with over-sampling

[ Upstream commit 815d835b7ba46685c316b000013367dacb2b461b ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/tty/serial/fsl_lpuart.c diff | blob | blame | history
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