Merge tag 'mmc-v4.7' of git://git.linaro.org/people/ulf.hansson/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Add TRACE support to be able to debug request flow
   - Extend/improve reset support for (e)MMC
   - Convert MMC pwrseq to platform device drivers
   - Use IDA for indexes
   - Some additional minor improvements

  MMC host:
   - sdhci: Re-factoring, clean-ups and improvements
   - sdhci-acpi|pci: Use MMC_CAP_AGGRESSIVE_PM for Broxton
   - omap/omap_hsmmc: Convert to use dma_request_chan()
   - usdhi6rol0: Add support for UHS modes
   - sh_mmcif: Update runtime PM support
   - tmio: Wolfram Sang steps in as maintainer
   - tmio: Add UHS-I mode support
   - sh_mobile_sdhi: Add UHS-I mode support
   - tmio/sdhi: Re-factoring, clean-ups and improvements
   - dw_mmc: Re-factoring and clean-ups
   - davinci: Convert to use dma_request_chan()"

* tag 'mmc-v4.7' of git://git.linaro.org/people/ulf.hansson/mmc: (99 commits)
  mmc: mmc: Fix partition switch timeout for some eMMCs
  mmc: sh_mobile_sdhi: enable SDIO IRQs for RCar Gen3
  mmc: sdio: fall back to SDIO 1.0 for broken 1.1 cards
  mmc: sdhci-st: correct name of sd-uhs-sdr50 property
  MAINTAINERS: update entry for TMIO MMC driver
  mmc: block: improve logging of handling emmc timeouts
  mmc: sdhci: removed unneeded function wrappers
  mmc: core: remove the invalid message in mmc_select_timing
  mmc: core: fix using wrong io voltage if mmc_select_hs200 fails
  mmc: sdhci-of-arasan: fix set_clock when a phy is supported
  mmc: omap: Use dma_request_chan() for requesting DMA channel
  mmc: mmc: Attempt to flush cache before reset
  mmc: sh_mobile_sdhi: check return value when changing clk
  mmc: sh_mobile_sdhi: only change the clock on RCar Gen2+
  mmc: tmio/sdhi: introduce flag for RCar 2+ specific features
  mmc: sh_mobile_sdhi: make clk_update function more compact
  mmc: omap_hsmmc: Use dma_request_chan() for requesting DMA channel
  mmc: sdhci-of-at91: add presets setup
  mmc: usdhi6rol0: add pinctrl to set pin drive strength
  mmc: usdhi6rol0: add support for UHS modes
  ...

1 files changed, 25 insertions, 23 deletions

diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c
index b9958a123594..f23d65eb070d 100644
--- a/drivers/mmc/host/omap.c
+++ b/drivers/mmc/host/omap.c
@@ -23,7 +23,6 @@
 #include <linux/spinlock.h>
 #include <linux/timer.h>
 #include <linux/of.h>
-#include <linux/omap-dma.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/card.h>
 #include <linux/mmc/mmc.h>
@@ -1321,8 +1320,6 @@ static int mmc_omap_probe(struct platform_device *pdev)
 	struct omap_mmc_platform_data *pdata = pdev->dev.platform_data;
 	struct mmc_omap_host *host = NULL;
 	struct resource *res;
-	dma_cap_mask_t mask;
-	unsigned sig = 0;
 	int i, ret = 0;
 	int irq;
 
@@ -1382,29 +1379,34 @@ static int mmc_omap_probe(struct platform_device *pdev)
 		goto err_free_iclk;
 	}
 
-	dma_cap_zero(mask);
-	dma_cap_set(DMA_SLAVE, mask);
-
 	host->dma_tx_burst = -1;
 	host->dma_rx_burst = -1;
 
-	res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx");
-	if (res)
-		sig = res->start;
-	host->dma_tx = dma_request_slave_channel_compat(mask,
-				omap_dma_filter_fn, &sig, &pdev->dev, "tx");
-	if (!host->dma_tx)
-		dev_warn(host->dev, "unable to obtain TX DMA engine channel %u\n",
-			sig);
-
-	res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx");
-	if (res)
-		sig = res->start;
-	host->dma_rx = dma_request_slave_channel_compat(mask,
-				omap_dma_filter_fn, &sig, &pdev->dev, "rx");
-	if (!host->dma_rx)
-		dev_warn(host->dev, "unable to obtain RX DMA engine channel %u\n",
-			sig);
+	host->dma_tx = dma_request_chan(&pdev->dev, "tx");
+	if (IS_ERR(host->dma_tx)) {
+		ret = PTR_ERR(host->dma_tx);
+		if (ret == -EPROBE_DEFER) {
+			clk_put(host->fclk);
+			goto err_free_iclk;
+		}
+
+		host->dma_tx = NULL;
+		dev_warn(host->dev, "TX DMA channel request failed\n");
+	}
+
+	host->dma_rx = dma_request_chan(&pdev->dev, "rx");
+	if (IS_ERR(host->dma_rx)) {
+		ret = PTR_ERR(host->dma_rx);
+		if (ret == -EPROBE_DEFER) {
+			if (host->dma_tx)
+				dma_release_channel(host->dma_tx);
+			clk_put(host->fclk);
+			goto err_free_iclk;
+		}
+
+		host->dma_rx = NULL;
+		dev_warn(host->dev, "RX DMA channel request failed\n");
+	}
 
 	ret = request_irq(host->irq, mmc_omap_irq, 0, DRIVER_NAME, host);
 	if (ret)