Re: [PATCH] OMAP: HSMMC: avoid erratum workaround when transceiver is attached

2012-04-04 Thread Paul Walmsley
On Fri, 16 Mar 2012, Grazvydas Ignotas wrote: If transceiver is attached to a MMC host of ES2.1 OMAP, it seems 2.1.1.128 erratum doesn't apply and there is no data corruption, probably because of different signal timing. The workaround for this erratum disables multiblock reads, which causes

[PATCH] OMAP: HSMMC: avoid erratum workaround when transceiver is attached

2012-03-16 Thread Grazvydas Ignotas
If transceiver is attached to a MMC host of ES2.1 OMAP, it seems 2.1.1.128 erratum doesn't apply and there is no data corruption, probably because of different signal timing. The workaround for this erratum disables multiblock reads, which causes dramatic loss of performance (over 75% slower), so