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Subject[PATCH 1/1] arm :omap :DMA: fix a bug on reserving the omap SDMA channels
Date
From: ahemaily <ahemaily@gmail.com>

The variable dma_lch_count used for comparison (omap_dma_reserve_channels <= dma_lch_count)
before it initialized to the value from omap_dma_dev_attr : d->lch_count.

I change the place of dma_lch_count initialization to be before the comparison.

Signed-off-by: Abdelrahman Hemaily <ahemaily@gmail.com>
---
arch/arm/plat-omap/dma.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index c76ed8b..cb3e321 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -2014,12 +2014,12 @@ static int __devinit omap_system_dma_probe(struct platform_device *pdev)

d = p->dma_attr;
errata = p->errata;
-
+ dma_lch_count = d->lch_count;
+
if ((d->dev_caps & RESERVE_CHANNEL) && omap_dma_reserve_channels
&& (omap_dma_reserve_channels <= dma_lch_count))
d->lch_count = omap_dma_reserve_channels;

- dma_lch_count = d->lch_count;
dma_chan_count = dma_lch_count;
dma_chan = d->chan;
enable_1510_mode = d->dev_caps & ENABLE_1510_MODE;
--
1.7.9.5


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