From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752858AbaCGMRc (ORCPT ); Fri, 7 Mar 2014 07:17:32 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:54029 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751840AbaCGMR2 (ORCPT ); Fri, 7 Mar 2014 07:17:28 -0500 From: Sricharan R To: , , , , , CC: , , , , , , , Subject: [RFC PATCH 1/9] drivers: dma: omap-dma: Avoid hard-coding of the dma-request channels Date: Fri, 7 Mar 2014 17:46:08 +0530 Message-ID: <1394194576-23741-2-git-send-email-r.sricharan@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1394194576-23741-1-git-send-email-r.sricharan@ti.com> References: <1394194576-23741-1-git-send-email-r.sricharan@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The total number of dma-request channels is hard-coded. Instead read the data from DT. Signed-off-by: Sricharan R --- drivers/dma/omap-dma.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c index 64ceca2..a0d6639 100644 --- a/drivers/dma/omap-dma.c +++ b/drivers/dma/omap-dma.c @@ -1093,6 +1093,7 @@ static int omap_dma_probe(struct platform_device *pdev) struct omap_dmadev *od; struct resource *res; int rc, i, irq; + u32 reqs; od = devm_kzalloc(&pdev->dev, sizeof(*od), GFP_KERNEL); if (!od) @@ -1126,7 +1127,9 @@ static int omap_dma_probe(struct platform_device *pdev) tasklet_init(&od->task, omap_dma_sched, (unsigned long)od); - for (i = 0; i < 127; i++) { + of_property_read_u32(pdev->dev.of_node, "#dma-requests", &reqs); + + for (i = 0; i < reqs; i++) { rc = omap_dma_chan_init(od, i); if (rc) { omap_dma_free(od); -- 1.7.9.5