Re: [PATCH 12/14] dmaengine: ti: omap-dma: Use cpu notifier to block idle for omap2

Tony Lindgren
2019-12-17T00:27:23Z

* Tony Lindgren <tony@atomide.com> [191217 00:20]:
> diff --git a/drivers/dma/ti/omap-dma.c b/drivers/dma/ti/omap-dma.c
> --- a/drivers/dma/ti/omap-dma.c
> +++ b/drivers/dma/ti/omap-dma.c
> + case CPU_CLUSTER_PM_ENTER:
> + while (1) {
> + lch = find_next_bit(od->lch_bitmap, od->lch_count,
> + lch + 1);
> + if (lch >= od->lch_count)
> + break;
> + c = od->lch_map[lch];
> + if (!c)
> + continue;
> + if (omap_dma_chan_read(c, CCR) & CCR_ENABLE) {
> + pr_info("XXX %s: lch%i busy\n", __func__, lch);
> + return NOTIFY_BAD;

Oops the pr_info line here can be dropped :)

Regards,

Tony