From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Porter Subject: [PATCH 1/3] mmc: omap_hsmmc: convert to dma_request_slave_channel_compat() Date: Fri, 1 Feb 2013 16:01:17 -0500 Message-ID: <1359752479-29427-2-git-send-email-mporter@ti.com> References: <1359752479-29427-1-git-send-email-mporter@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1359752479-29427-1-git-send-email-mporter-l0cyMroinI0@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: Venkatraman S , Chris Ball , Grant Likely , Rob Herring Cc: Vinod Koul , Devicetree Discuss , Linux MMC List , Linux Kernel Mailing List , Santosh Shilimkar , Dan Williams , Linux OMAP List List-Id: devicetree@vger.kernel.org Convert dmaengine channel requests to use dma_request_slave_channel_compat(). This supports platforms booting with or without DT populated. Signed-off-by: Matt Porter Acked-by: Tony Lindgren --- drivers/mmc/host/omap_hsmmc.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index bc58078..e79b12d 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1915,14 +1915,20 @@ static int omap_hsmmc_probe(struct platform_device *pdev) dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); - host->rx_chan = dma_request_channel(mask, omap_dma_filter_fn, &rx_req); + host->rx_chan = + dma_request_slave_channel_compat(mask, omap_dma_filter_fn, + &rx_req, &pdev->dev, "rx"); + if (!host->rx_chan) { dev_err(mmc_dev(host->mmc), "unable to obtain RX DMA engine channel %u\n", rx_req); ret = -ENXIO; goto err_irq; } - host->tx_chan = dma_request_channel(mask, omap_dma_filter_fn, &tx_req); + host->tx_chan = + dma_request_slave_channel_compat(mask, omap_dma_filter_fn, + &tx_req, &pdev->dev, "tx"); + if (!host->tx_chan) { dev_err(mmc_dev(host->mmc), "unable to obtain TX DMA engine channel %u\n", tx_req); ret = -ENXIO; -- 1.7.9.5