From: Elen Song <elen.song@atmel.com>
Date: Mon, 22 Jul 2013 08:30:25 +0000 (+0800)
Subject: serial: at91: use function pointer to choose pdc or pio
X-Git-Tag: v3.12-rc1~182^2~107
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a930e52875e96709cc01e4babcb8351687c5a58e;p=pandora-kernel.git

serial: at91: use function pointer to choose pdc or pio

use function pointer can avoid define atmel_use_pdc_tx/rx everywhere.
(*prepare_rx/tx)() is in setup transfer stage.
(*schedule_rx/tx)() is in tasklet schedule stage.
(*release_rx/tx)() is used when shutdown the transfer.

Signed-off-by: Elen Song <elen.song@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

Reading git-diff-tree failed