Re: [PATCH] sata_dwc_460ex: fix burst transaction length

2016-04-07 Thread Andy Shevchenko
On Thu, Apr 7, 2016 at 1:44 AM, Christian Lamparter wrote: > According to DesignWare DW_ahb_dmac Databook page 159, > both SRC_MSIZE and DEST_MSIZE values "are not related to > AHB bus mater HBURST bus". > > The hardware uses these values as a unit of TR_WIDTHs. > As both TR_WIDTHs are hardcoded t

[PATCH] sata_dwc_460ex: fix burst transaction length

2016-04-06 Thread Christian Lamparter
According to DesignWare DW_ahb_dmac Databook page 159, both SRC_MSIZE and DEST_MSIZE values "are not related to AHB bus mater HBURST bus". The hardware uses these values as a unit of TR_WIDTHs. As both TR_WIDTHs are hardcoded to 4 Bytes, the MSIZEs should be 16, so the burst transaction length wil