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>
Subject: [PATCH v3 4/7] dmaengine: omap-dma: Use defines for dma channels and request count
Date: Fri, 27 Mar 2015 14:26:50 +0200 [thread overview]
Message-ID: <1427459213-14611-5-git-send-email-peter.ujfalusi@ti.com> (raw)
In-Reply-To: <1427459213-14611-1-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 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);
--
2.3.3
next prev parent reply other threads:[~2015-03-27 12:30 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-27 12:26 [PATCH v3 0/7] dmaengine/dra7x: DMA router (crossbar support) Peter Ujfalusi
2015-03-27 12:26 ` [PATCH v3 1/7] dmaengine: of_dma: Support for DMA routers Peter Ujfalusi
2015-03-28 1:44 ` Arnd Bergmann
2015-03-31 16:48 ` Peter Ujfalusi
2015-03-27 12:26 ` [PATCH v3 2/7] Documentation: devicetree: dma: Binding documentation for TI DMA crossbar Peter Ujfalusi
2015-03-27 12:26 ` [PATCH v3 3/7] dmaengine: Add driver for TI DMA crossbar on DRA7x Peter Ujfalusi
2015-03-27 12:26 ` Peter Ujfalusi [this message]
2015-03-27 12:26 ` [PATCH v3 5/7] dmaengine: omap-dma: Take DMA request number from DT if it is available Peter Ujfalusi
2015-03-27 20:24 ` Russell King - ARM Linux
2015-03-31 14:47 ` Peter Ujfalusi
2015-03-27 12:26 ` [PATCH v3 6/7] dmaengine: omap-dma: Remove mapping between virtual channels and requests Peter Ujfalusi
2015-03-27 20:22 ` Russell King - ARM Linux
2015-03-31 15:44 ` Peter Ujfalusi
2015-03-27 12:26 ` [PATCH v3 7/7] ARM: DTS: dra7x: Integrate sDMA crossbar Peter Ujfalusi
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