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dm: serial: Add ->getconfig() callback

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In some cases it would be good to know the settings, such as parity,
of current serial console. One example might be an ACPI SPCR table
to generate using these parameters.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Andy Shevchenko
2018-11-20 23:52:32 +02:00
committed by Simon Glass
parent 4f86a724e8
commit ac7f5db9dc
5 changed files with 60 additions and 3 deletions
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include/common.h
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@@ -364,6 +364,7 @@ void serial_putc_raw(const char);
void serial_puts (const char *);
int serial_getc (void);
int serial_tstc (void);
int serial_getconfig(uint *config);
int serial_setconfig(uint config);
/* $(CPU)/speed.c */