Subject: [PATCH 8/8] ARM: omap_hsmmc: remove platform data dma_mask and initialization

From: [email-masked] (Tony Lindgren)
Date: Fri, 20 Apr 2012 09:50:00 -0700

* Russell King - ARM Linux <[email-masked]> [120420 08:41]:
> 
> So, with this patch plus my original patch to omap's mmc host driver, this
> should result in something which works without all the overhead of drivers
> supplying the port information.  Please confirm, and I'll merge this into
> the original omap-dma.c commit.

Then something like this is still needed on top of your original mmc driver
patch for omap2420:

--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -1617,11 +1617,14 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
 	host->dma_tx_burst = -1;
 	host->dma_rx_burst = -1;
 
-	sig = host->id == 0 ? OMAP_DMA_MMC_TX : OMAP_DMA_MMC2_TX;
+	if (cpu_is_omap24xx())
+		sig = host->id == 0 ? OMAP24XX_DMA_MMC1_TX :  OMAP24XX_DMA_MMC2_TX;
+	else
+		sig = host->id == 0 ? OMAP_DMA_MMC_TX : OMAP_DMA_MMC2_TX;
 	host->dma_tx = dma_request_channel(mask, omap_dma_filter_fn, &sig);
 #if 0
 	if (!host->dma_tx) {
-		def_err(host->dev, "unable to obtain TX DMA engine channel %u\n",
+		dev_err(host->dev, "unable to obtain TX DMA engine channel %u\n",
 			sig);
 		goto err_dma;
 	}
@@ -1632,7 +1635,10 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
 #endif
 #endif
 #ifdef USE_DMA_ENGINE
-	sig = host->id == 0 ? OMAP_DMA_MMC_RX : OMAP_DMA_MMC2_RX;
+	if (cpu_is_omap24xx())
+		sig = host->id == 0 ? OMAP24XX_DMA_MMC1_RX :  OMAP24XX_DMA_MMC2_RX;
+	else
+		sig = host->id == 0 ? OMAP_DMA_MMC_RX : OMAP_DMA_MMC2_RX;
 	host->dma_rx = dma_request_channel(mask, omap_dma_filter_fn, &sig);
 #if 0
 	if (!host->dma_rx) {