Re: [PATCH] ASoC: rsnd: dma: fix SSI9 4/5/6/7 busif dma address

From: Kuninori Morimoto
Date: Sun Feb 24 2019 - 20:18:11 EST



Hi Jiada, again

> > Currently each SSI unit 's busif dma address is calculated by
> > following calculation formulation:
> > 0xec540000 + 0x1000 * id + busif / 4 * 0xA000 + busif % 4 * 0x400
> >
> > But according to user manual 41.1.4 Register Configuration
> > ssi9 4/5/6/7 busif data register address
> > (SSI9_4_BUSIF/SSI9_5_BUSIF/SSI9_6_BUSIF/SSI9_7_BUSIF)
> > are out of this rule.
> >
> > This patch updates the calculation formulation to correct
> > ssi9 4/5/6/7 busif data register address
> >
> > Fixes: commit 5e45a6fab3b9 ("ASoc: rsnd: dma: Calculate dma address with consider of BUSIF")
> > Signed-off-by: Jiada Wang <jiada_wang@xxxxxxxxxx>
> > Signed-off-by: Timo Wischer <twischer@xxxxxxxxxxxxxx>
> > ---
>
> We don't need below anymore by this patch ?
>
> --- dma.c ----
> /*
> * FIXME
> *
> * We can't support SSI9-4/5/6/7, because its address is
> * out of calculation rule
> */
> if ((id == 9) && (busif >= 4))
> dev_err(dev, "This driver doesn't support SSI%d-%d, so far",
> id, busif);

Oops, next patch is removing this.
Please ignore this mail.