diff options
Diffstat (limited to 'arch/arm/plat-s3c24xx/dma.c')
-rw-r--r-- | arch/arm/plat-s3c24xx/dma.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c index 196b1912365..f0ea7943ac5 100644 --- a/arch/arm/plat-s3c24xx/dma.c +++ b/arch/arm/plat-s3c24xx/dma.c @@ -1,6 +1,6 @@ /* linux/arch/arm/plat-s3c24xx/dma.c * - * Copyright (c) 2003-2005,2006 Simtec Electronics + * Copyright 2003-2006 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * * S3C2410 DMA core @@ -208,14 +208,14 @@ s3c2410_dma_loadbuffer(struct s3c2410_dma_chan *chan, { unsigned long reload; - pr_debug("s3c2410_chan_loadbuffer: loading buff %p (0x%08lx,0x%06x)\n", - buf, (unsigned long)buf->data, buf->size); - if (buf == NULL) { dmawarn("buffer is NULL\n"); return -EINVAL; } + pr_debug("s3c2410_chan_loadbuffer: loading buff %p (0x%08lx,0x%06x)\n", + buf, (unsigned long)buf->data, buf->size); + /* check the state of the channel before we do anything */ if (chan->load_state == S3C2410_DMALOAD_1LOADED) { @@ -1310,7 +1310,7 @@ int __init s3c24xx_dma_init(unsigned int channels, unsigned int irq, int channel; int ret; - printk("S3C24XX DMA Driver, (c) 2003-2004,2006 Simtec Electronics\n"); + printk("S3C24XX DMA Driver, Copyright 2003-2006 Simtec Electronics\n"); dma_channels = channels; @@ -1403,11 +1403,13 @@ static struct s3c2410_dma_chan *s3c2410_dma_map_channel(int channel) ord = &dma_order->channels[channel]; for (ch = 0; ch < dma_channels; ch++) { + int tmp; if (!is_channel_valid(ord->list[ch])) continue; - if (s3c2410_chans[ord->list[ch]].in_use == 0) { - ch = ord->list[ch] & ~DMA_CH_VALID; + tmp = ord->list[ch] & ~DMA_CH_VALID; + if (s3c2410_chans[tmp].in_use == 0) { + ch = tmp; goto found; } } |