On Wed, May 22, 2019 at 01:14:55PM +0200, Richard Leitner wrote:

Please apply commit 941acd566b18 ("dmaengine: imx-sdma: Only check ratio on parts that support 1:1") to the 5.1 stable branch.

Without this patch following error message is issues when writing to UART 3 or UART 4 on an i.MX6 solo lite with Linux v5.1.4 (which fails).

imx-sdma 20ec000.sdma: Timeout waiting for CH0 ready

The problem is fixed when applying this patch on v5.1.4 tag.

Now queued up, thanks.

greg k-h