diff options
Diffstat (limited to 'drivers/dma/coh901318.c')
| -rw-r--r-- | drivers/dma/coh901318.c | 27 |
1 files changed, 7 insertions, 20 deletions
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c index 66d3507c97e4..472be1d09586 100644 --- a/drivers/dma/coh901318.c +++ b/drivers/dma/coh901318.c @@ -1352,9 +1352,10 @@ static ssize_t coh901318_debugfs_read(struct file *file, char __user *buf, tmp += sprintf(tmp, "DMA -- enabled dma channels\n"); - for (i = 0; i < U300_DMA_CHANNELS; i++) - if (started_channels & (1 << i)) + for (i = 0; i < U300_DMA_CHANNELS; i++) { + if (started_channels & (1ULL << i)) tmp += sprintf(tmp, "channel %d\n", i); + } tmp += sprintf(tmp, "Pool alloc nbr %d\n", pool_count); @@ -1553,15 +1554,8 @@ coh901318_desc_submit(struct coh901318_chan *cohc, struct coh901318_desc *desc) static struct coh901318_desc * coh901318_first_active_get(struct coh901318_chan *cohc) { - struct coh901318_desc *d; - - if (list_empty(&cohc->active)) - return NULL; - - d = list_first_entry(&cohc->active, - struct coh901318_desc, - node); - return d; + return list_first_entry_or_null(&cohc->active, struct coh901318_desc, + node); } static void @@ -1579,15 +1573,8 @@ coh901318_desc_queue(struct coh901318_chan *cohc, struct coh901318_desc *desc) static struct coh901318_desc * coh901318_first_queued(struct coh901318_chan *cohc) { - struct coh901318_desc *d; - - if (list_empty(&cohc->queue)) - return NULL; - - d = list_first_entry(&cohc->queue, - struct coh901318_desc, - node); - return d; + return list_first_entry_or_null(&cohc->queue, struct coh901318_desc, + node); } static inline u32 coh901318_get_bytes_in_lli(struct coh901318_lli *in_lli) |