* Eduardo Valentin <eduardo.valentin@xxxxxxxxx> [090817 15:06]:
> From: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
This too is missing a description.
Tony
> Signed-off-by: Eduardo Valentin <eduardo.valentin@xxxxxxxxx>
> ---
> arch/arm/plat-omap/mcbsp.c | 8 +++++++-
> 1 files changed, 7 insertions(+), 1 deletions(-)
>
> diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
> index 0aa2524..e9dd703 100644
> --- a/arch/arm/plat-omap/mcbsp.c
> +++ b/arch/arm/plat-omap/mcbsp.c
> @@ -365,7 +365,13 @@ void omap_mcbsp_start(unsigned int id, int tx, int rx)
> w = OMAP_MCBSP_READ(io_base, SPCR1);
> OMAP_MCBSP_WRITE(io_base, SPCR1, w | (rx & 1));
>
> - udelay(100);
> + /*
> + * Worst case: CLKSRG*2 = 8000khz: (1/8000) * 2 * 2 usec
> + * REVISIT: 100us may give enough time for two CLKSRG, however
> + * due to some unknown PM related, clock gating etc. reason it
> + * is now at 500us.
> + */
> + udelay(500);
>
> if (idle) {
> /* Start frame sync */
> --
> 1.6.2.GIT
>
> --
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