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From: Peter Ujfalusi <peter.ujfalusi@ti.com>
To: <vinod.koul@intel.com>, <tony@atomide.com>, <linux@arm.linux.org.uk>
Cc: <grant.likely@linaro.org>, <dmaengine@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-omap@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <robh+dt@kernel.org>,
	<nm@ti.com>, <arnd@arndb.de>
Subject: [PATCH v4 4/8] dmaengine: omap-dma: Use defines for dma channels and request count
Date: Wed, 8 Apr 2015 16:14:48 +0300	[thread overview]
Message-ID: <1428498892-28471-5-git-send-email-peter.ujfalusi@ti.com> (raw)
In-Reply-To: <1428498892-28471-1-git-send-email-peter.ujfalusi@ti.com>

Instead of magic numbers in the code, use define for number of logical DMA
channels and DMA requests.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
 drivers/dma/omap-dma.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index 167dbaf65742..4065963fbffb 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -22,6 +22,9 @@
 
 #include "virt-dma.h"
 
+#define OMAP_SDMA_REQUESTS	127
+#define OMAP_SDMA_CHANNELS	32
+
 struct omap_dmadev {
 	struct dma_device ddev;
 	spinlock_t lock;
@@ -33,7 +36,7 @@ struct omap_dmadev {
 	bool legacy;
 	spinlock_t irq_lock;
 	uint32_t irq_enable_mask;
-	struct omap_chan *lch_map[32];
+	struct omap_chan *lch_map[OMAP_SDMA_CHANNELS];
 };
 
 struct omap_chan {
@@ -1116,7 +1119,7 @@ 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++) {
+	for (i = 0; i < OMAP_SDMA_REQUESTS; i++) {
 		rc = omap_dma_chan_init(od, i);
 		if (rc) {
 			omap_dma_free(od);
-- 
2.3.5


  parent reply	other threads:[~2015-04-08 13:15 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-08 13:14 [PATCH v4 0/8] dmaengine/dra7x: DMA router (crossbar support) Peter Ujfalusi
2015-04-08 13:14 ` [PATCH v4 1/8] dmaengine: of_dma: Support for DMA routers Peter Ujfalusi
2015-04-08 15:42   ` Maxime Ripard
2015-04-09  8:24     ` Peter Ujfalusi
2015-04-10  7:40       ` Maxime Ripard
2015-04-15  8:36         ` Peter Ujfalusi
2015-04-08 13:14 ` [PATCH v4 2/8] Documentation: devicetree: dma: Binding documentation for TI DMA crossbar Peter Ujfalusi
2015-04-08 13:14 ` [PATCH v4 3/8] dmaengine: Add driver for TI DMA crossbar on DRA7x Peter Ujfalusi
2015-04-08 15:23   ` Maxime Ripard
2015-04-09  8:09     ` Peter Ujfalusi
2015-04-08 13:14 ` Peter Ujfalusi [this message]
2015-04-08 13:14 ` [PATCH v4 5/8] dmaengine: omap-dma: Take DMA request number from DT if it is available Peter Ujfalusi
2015-04-08 13:14 ` [PATCH v4 6/8] dmaengine: omap-dma: Remove mapping between virtual channels and requests Peter Ujfalusi
2015-04-08 13:14 ` [PATCH v4 7/8] dmaengine: omap-dma: Reduce the number of virtual channels Peter Ujfalusi
2015-04-08 13:14 ` [PATCH v4 8/8] ARM: DTS: dra7x: Integrate sDMA crossbar Peter Ujfalusi

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