The capabilities are device specific fields, not channel specific fields.
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>

otherwise, i will be -1 inside the latest iteration of the while loop.
Signed-off-by: NAxel Lin <axel.lin@gmail.com>
Acked-by: NSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NDan Williams <dan.j.williams@intel.com>

mxdmac->channel was unsigned, so check (imxdmac->channel < 0) for
failed imx_dma_request_by_prio() made no sence.  Explicitly check
signed values.
Also, fix uninitialzed use of ret.
Signed-off-by: NVasiliy Kulikov <segooon@gmail.com>
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: NDan Williams <dan.j.williams@intel.com>

This driver is currently implemented as a user to the old i.MX
DMA API. This allows us to convert each user of the old API to
the dmaengine API one by one. Once this is done the old DMA
driver can be merged into the i.MX dmaengine driver.

V2: remove some debug leftovers and unused variables
Signed-off-by: NSascha Hauer <s.hauer@pengutronix.de>
Acked-by: NLinus Walleij <linus.walleij@stericsson.com>
Signed-off-by: NDan Williams <dan.j.williams@intel.com>