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dma: ti: k3-udma: Reset the channel during release

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Reset the channel completely during channel release in order to clear
teardown bit before handing over to next user or jumping to Linux.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
This commit is contained in:
Vignesh Raghavendra 2020-09-17 20:11:22 +05:30 committed by Lokesh Vutla
parent 6d7364016a
commit 85bdcf03b7
1 changed files with 3 additions and 1 deletions
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4
drivers/dma/ti/k3-udma.c
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@ -1134,7 +1134,9 @@ err_free_res:
static void udma_free_chan_resources(struct udma_chan *uc)
{
/* Some configuration to UDMA-P channel: disable, reset, whatever */
/* Hard reset UDMA channel */
udma_stop_hard(uc);
udma_reset_counters(uc);
/* Release PSI-L pairing */
udma_navss_psil_unpair(uc->ud, uc->config.src_thread, uc->config.dst_thread);