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Diffstat (limited to 'arch/arm/plat-omap/dma.c')
-rw-r--r--arch/arm/plat-omap/dma.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index a46676db811..793740686be 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -137,7 +137,7 @@ static void omap_disable_channel_irq(int lch);
static inline void omap_enable_channel_irq(int lch);
#define REVISIT_24XX() printk(KERN_ERR "FIXME: no %s on 24xx\n", \
- __FUNCTION__);
+ __func__);
#ifdef CONFIG_ARCH_OMAP15XX
/* Returns 1 if the DMA module is in OMAP1510-compatible mode, 0 otherwise */
@@ -699,7 +699,7 @@ omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams)
u32 reg;
if (!cpu_class_is_omap2()) {
- printk(KERN_ERR "FIXME: no %s on 15xx/16xx\n", __FUNCTION__);
+ printk(KERN_ERR "FIXME: no %s on 15xx/16xx\n", __func__);
return;
}
@@ -1020,12 +1020,12 @@ static void create_dma_lch_chain(int lch_head, int lch_queue)
}
w = OMAP_DMA_CLNK_CTRL_REG(lch_head);
- w &= ~(0x0f);
+ w &= ~(0x1f);
w |= lch_queue;
OMAP_DMA_CLNK_CTRL_REG(lch_head) = w;
w = OMAP_DMA_CLNK_CTRL_REG(lch_queue);
- w &= ~(0x0f);
+ w &= ~(0x1f);
w |= (dma_chan[lch_queue].next_linked_ch);
OMAP_DMA_CLNK_CTRL_REG(lch_queue) = w;
}
@@ -1248,7 +1248,7 @@ EXPORT_SYMBOL(omap_dma_chain_status);
* @param frame_count
* @param callbk_data - channel callback parameter data.
*
- * @return - Success : start_dma status
+ * @return - Success : 0
* Failure: -EINVAL/-EBUSY
*/
int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
@@ -1367,7 +1367,7 @@ int omap_dma_chain_a_transfer(int chain_id, int src_start, int dest_start,
dma_chan[lch].flags |= OMAP_DMA_ACTIVE;
}
}
- return start_dma;
+ return 0;
}
EXPORT_SYMBOL(omap_dma_chain_a_transfer);
@@ -1663,6 +1663,7 @@ static int omap2_dma_handle_ch(int ch)
if (!status) {
if (printk_ratelimit())
printk(KERN_WARNING "Spurious DMA IRQ for lch %d\n", ch);
+ omap_writel(1 << ch, OMAP_DMA4_IRQSTATUS_L0);
return 0;
}
if (unlikely(dma_chan[ch].dev_id == -1)) {
@@ -1705,14 +1706,8 @@ static int omap2_dma_handle_ch(int ch)
status = OMAP_DMA_CSR_REG(ch);
}
- if (likely(dma_chan[ch].callback != NULL)) {
- if (dma_chan[ch].chain_id != -1)
- dma_chan[ch].callback(dma_chan[ch].chain_id, status,
- dma_chan[ch].data);
- else
- dma_chan[ch].callback(ch, status, dma_chan[ch].data);
-
- }
+ if (likely(dma_chan[ch].callback != NULL))
+ dma_chan[ch].callback(ch, status, dma_chan[ch].data);
OMAP_DMA_CSR_REG(ch) = status;