[PATCH v2 4/7] dmaengine: omap-dma: Use defines for dma channels and request count

From: Peter Ujfalusi
Date: Wed Mar 11 2015 - 09:26:16 EST


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@xxxxxx>
---
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 7dd6dd121681..56c33e93dd24 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 {
@@ -1115,7 +1118,7 @@ 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);
--
2.3.0

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