serial: pl011: Avoid assumptions about buffer size when refilling TX DMA

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The existing code assumed that PL011_DMA_BUFFER_SIZE == UART_XMIT_SIZE,
which may not always be the case.  This allows for these two being
different sizes and not copying too much data.

Signed-off-by: Andrew Jackson <Andrew.Jackson@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Andrew Jackson 2014-11-07 14:14:39 +00:00 • committed by Greg Kroah-Hartman

parent 4c0be45b18

commit e2a545a6ae

1 changed files with 5 additions and 1 deletions

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drivers/tty/serial/amba-pl011.c

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