serial: 8250: dw: Allow to use a fallback CPR value if not synthesized

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DW UART controllers can be synthesized without the CPR register.
In this case, allow to the platform information to provide a CPR value.

Co-developed-by: Phil Edworthy <phil.edworthy@renesas.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/r/20220422180615.9098-5-miquel.raynal@bootlin.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Miquel Raynal 2022-04-22 20:06:10 +02:00 • committed by Greg Kroah-Hartman

parent ffd381445e

commit 593dea000b

2 changed files with 8 additions and 3 deletions

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drivers/tty/serial/8250/8250_dwlib.c

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1

drivers/tty/serial/8250/8250_dwlib.h

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