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(parent: 2301ec3) | patch
tty/serial: atmel: fix out of range clock divider handling
authorDavid Engraf <david.engraf@sysgo.com>
Wed, 11 Dec 2019 16:29:54 +0000 (17:29 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Dec 2019 11:04:00 +0000 (12:04 +0100)
commit751d0017334db9c4d68a8909c59f662a6ecbcec6
tree1779bc37663eb239dde4ab01548ed47e6c706d3atree | snapshot
parent2301ec36cec8cd8199b608651a806441ab70331bcommit | diff
tty/serial: atmel: fix out of range clock divider handling

Use MCK_DIV8 when the clock divider is > 65535. Unfortunately the mode
register was already written thus the clock selection is ignored.

Fix by writing the mode register after calculating the baudrate.

Signed-off-by: David Engraf <david.engraf@sysgo.com>
Link: https://lore.kernel.org/r/20191211162954.8393-1-david.engraf@sysgo.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/atmel_serial.c diff | blob | history
John Crispins staging tree