ARM: OMAP: mcbsp: Enable FIFO use for OMAP2430

On OMAP2430 all McBSP ports have 128 word long buffer, enable the use of
the FIFO for the audio stack.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Jarkko Nikula <jarkko.nikula@bitmer.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

arch/arm/mach-omap2/mcbsp.c

@@ -151,7 +151,10 @@ static int __init omap_init_mcbsp(struct omap_hwmod *oh, void *unused)
 	if (id == 4 && oh->class->rev == MCBSP_CONFIG_TYPE4)
 		pdata->mux_signal = omap4_mcbsp4_mux_rx_clk;
 
-	if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
+	if (oh->class->rev == MCBSP_CONFIG_TYPE2) {
+		/* The FIFO has 128 locations */
+		pdata->buffer_size = 0x80;
+	} else if (oh->class->rev == MCBSP_CONFIG_TYPE3) {
 		if (id == 2)
 			/* The FIFO has 1024 + 256 locations */
 			pdata->buffer_size = 0x500;