[OMAP850] Changes to memory subsystem

[linux-2.6-omap-h63xx.git] / arch / arm / plat-omap / dma.c

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 692d2b495af34260cdd57619240b9ab46ffdf8f9..dcc9e83a61ee9c6130aa5e6cde08f2fa062f2e4d 100644 (file)
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -278,14 +278,11 @@ void omap_set_dma_transfer_params(int lch, int data_type, int elem_count,
                u32 val;
 
                val = dma_read(CCR(lch));
-               val &= ~(3 << 19);
-               if (dma_trigger > 63)
-                       val |= 1 << 20;
-               if (dma_trigger > 31)
-                       val |= 1 << 19;
 
-               val &= ~(0x1f);
-               val |= (dma_trigger & 0x1f);
+               /* DMA_SYNCHRO_CONTROL_UPPER depends on the channel number */
+               val &= ~((3 << 19) | 0x1f);
+               val |= (dma_trigger & ~0x1f) << 14;
+               val |= dma_trigger & 0x1f;
 
                if (sync_mode & OMAP_DMA_SYNC_FRAME)
                        val |= 1 << 5;
@@ -712,6 +709,7 @@ int omap_request_dma(int dev_id, const char *dev_name,
        chan->dev_name = dev_name;
        chan->callback = callback;
        chan->data = data;
+       chan->flags = 0;
 
 #ifndef CONFIG_ARCH_OMAP1
        if (cpu_class_is_omap2()) {
@@ -739,7 +737,7 @@ int omap_request_dma(int dev_id, const char *dev_name,
                 * id.
                 */
                dma_write(dev_id | (1 << 10), CCR(free_ch));
-       } else if (cpu_is_omap730() || cpu_is_omap15xx()) {
+       } else if (cpu_is_omap7xx() || cpu_is_omap15xx()) {
                dma_write(dev_id, CCR(free_ch));
        }
 
@@ -1891,11 +1889,11 @@ static int omap2_dma_handle_ch(int ch)
                status = dma_read(CSR(ch));
        }
 
+       dma_write(status, CSR(ch));
+
        if (likely(dma_chan[ch].callback != NULL))
                dma_chan[ch].callback(ch, status, dma_chan[ch].data);
 
-       dma_write(status, CSR(ch));
-
        return 0;
 }
 
@@ -2341,7 +2339,7 @@ static int __init omap_init_dma(void)
                printk(KERN_INFO "DMA support for OMAP15xx initialized\n");
                dma_chan_count = 9;
                enable_1510_mode = 1;
-       } else if (cpu_is_omap16xx() || cpu_is_omap730()) {
+       } else if (cpu_is_omap16xx() || cpu_is_omap7xx()) {
                printk(KERN_INFO "OMAP DMA hardware version %d\n",
                       dma_read(HW_ID));
                printk(KERN_INFO "DMA capabilities: %08x:%08x:%04x:%04x:%04x\n",