Hi Morimoto-san, Thank you for the review. On Tuesday 15 July 2014 18:39:04 Kuninori Morimoto wrote: > Hi Laurent > > > DMA reads from the data buffer register must be offset by 0x2000 > > according to the hardware documentation. > > > > Signed-off-by: Laurent Pinchart > > <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> > > --- > > > > drivers/mmc/host/tmio_mmc_dma.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/mmc/host/tmio_mmc_dma.c > > b/drivers/mmc/host/tmio_mmc_dma.c index eb8f1d5..4da7be1 100644 > > --- a/drivers/mmc/host/tmio_mmc_dma.c > > +++ b/drivers/mmc/host/tmio_mmc_dma.c > > @@ -312,7 +312,7 @@ void tmio_mmc_request_dma(struct tmio_mmc_host *host, > > struct tmio_mmc_data *pdat> > > if (pdata->dma->chan_priv_rx) > > > > cfg.slave_id = pdata->dma->slave_id_rx; > > > > cfg.direction = DMA_DEV_TO_MEM; > > > > - cfg.src_addr = cfg.dst_addr; > > + cfg.src_addr = cfg.dst_addr + 0x2000; > > > > cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; > > cfg.dst_addr = 0; > > ret = dmaengine_slave_config(host->chan_rx, &cfg); > > Unfortunately, this patch breaks compatibility. > This "+ 0x2000" is required only from Renesas R-Car. > I alreay sent this fixup patch before (not accepted yet, and I will re-send > v2 patch soon) > > https://www.mail-archive.com/linux-mmc@xxxxxxxxxxxxxxx/msg26776.html I've applied your patch locally, thank you. You can add my Acked-by line to v2. When do you plan to push it to mainline ? -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
