Subject: [PATCH v3 2/9] ARM: OMAP: mcbsp: Enable FIFO use for OMAP2430

From: [email-masked] (Tony Lindgren)
Date: Fri, 17 Aug 2012 06:07:24 -0700

* Peter Ujfalusi <[email-masked]> [120816 06:41]:
> 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 <[email-masked]>
> Acked-by: Jarkko Nikula <[email-masked]>
> ---
>  arch/arm/mach-omap2/mcbsp.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
> index ebc801e..6e046e1 100644
> --- a/arch/arm/mach-omap2/mcbsp.c
> +++ b/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;

Is this the case also for 2420? I thought some only had a FIFO at
one port?

Tony