From: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Date: Thu, 3 Jun 2010 04:39:33 +0000 (+0300)
Subject: OMAP3: McBSP: Change the way how the FIFO is handled
X-Git-Tag: v2.6.36-rc1~493^2~1^2~89
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=451fd82dc148bd5ac9ed5b19b6915a1afe32b9cb;p=pandora-kernel.git

OMAP3: McBSP: Change the way how the FIFO is handled

Use the actual FIFO size in words as buffer_size on OMAP3.
Change the threshold configuration to use 1 based numbering, when
specifying the allowed threshold maximum or the McBSP threshold value.
Set the default maximum threshold to (buffer_size - 0x10) intialy.
>From users of McBSP, now it is expected to use this method.
Asking for threshold 1 means that the value written to threshold registers
are going to be 0, which means 1 word threshold.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Jarkko Nikula <jhnikula@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolsfonmicro.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
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