| commit | aee4d1fac887252faf6f7caf7bf1616131d5dbcd | [log] [tgz] |
|---|---|---|
| author | Robert Baldyga <r.baldyga@samsung.com> | Wed Feb 11 13:23:17 2015 +0100 |
| committer | Vinod Koul <vinod.koul@intel.com> | Mon Feb 16 09:33:35 2015 +0530 |
| tree | 0faf7d79ee54bffcf1cbddacd00593a4d74820fc | |
| parent | be6893e1958035cbeff281b833777c5cd3fb36ad [diff] |
dmaengine: pl330: improve pl330_tx_status() function This patch adds possibility to read residue of DMA transfer. It's useful when we want to know how many bytes have been transferred before we terminate channel. It can take place, for example, on timeout interrupt. Signed-off-by: Lukasz Czerwinski <l.czerwinski@samsung.com> Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>