Re: [PATCH 12/14] dmaengine: ti: omap-dma: Use cpu notifier to block idle for omap2
From: Tony Lindgren <tony@atomide.com>
Date: 2019-12-17 00:27:21
Also in:
dmaengine, linux-devicetree, linux-omap
* Tony Lindgren [off-list ref] [191217 00:20]:
quoted hunk ↗ jump to hunk
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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel