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altera_uart: Add support for different address strides

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Some controllers implement registers with a stride, to support
those we must implement the proper IO accessors.

Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Acked-by: Tobias Klauser <tklauser@distanz.ch>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Anton Vorontsov
2010-10-01 17:21:54 +04:00
committed by Greg Kroah-Hartman
parent 6b5756f176
commit 0d426eda7c
2 changed files with 38 additions and 21 deletions
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include/linux/altera_uart.h
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@ -9,6 +9,7 @@ struct altera_uart_platform_uart {
unsigned long mapbase; /* Physical address base */
unsigned int irq; /* Interrupt vector */
unsigned int uartclk; /* UART clock rate */
unsigned int bus_shift; /* Bus shift (address stride) */
};
#endif /* __ALTUART_H */