diff options
Diffstat (limited to 'arch/arm/plat-omap/dma.c')
| -rw-r--r-- | arch/arm/plat-omap/dma.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index e3ac94f0900..fd3154ae69b 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -1127,6 +1127,11 @@ int omap_dma_running(void) void omap_dma_link_lch(int lch_head, int lch_queue) { if (omap_dma_in_1510_mode()) { + if (lch_head == lch_queue) { + dma_write(dma_read(CCR(lch_head)) | (3 << 8), + CCR(lch_head)); + return; + } printk(KERN_ERR "DMA linking is not supported in 1510 mode\n"); BUG(); return; @@ -1149,6 +1154,11 @@ EXPORT_SYMBOL(omap_dma_link_lch); void omap_dma_unlink_lch(int lch_head, int lch_queue) { if (omap_dma_in_1510_mode()) { + if (lch_head == lch_queue) { + dma_write(dma_read(CCR(lch_head)) & ~(3 << 8), + CCR(lch_head)); + return; + } printk(KERN_ERR "DMA linking is not supported in 1510 mode\n"); BUG(); return; @@ -2337,16 +2347,16 @@ static int __init omap_init_dma(void) int ch, r; if (cpu_class_is_omap1()) { - omap_dma_base = IO_ADDRESS(OMAP1_DMA_BASE); + omap_dma_base = OMAP1_IO_ADDRESS(OMAP1_DMA_BASE); dma_lch_count = OMAP1_LOGICAL_DMA_CH_COUNT; } else if (cpu_is_omap24xx()) { - omap_dma_base = IO_ADDRESS(OMAP24XX_DMA4_BASE); + omap_dma_base = OMAP2_IO_ADDRESS(OMAP24XX_DMA4_BASE); dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT; } else if (cpu_is_omap34xx()) { - omap_dma_base = IO_ADDRESS(OMAP34XX_DMA4_BASE); + omap_dma_base = OMAP2_IO_ADDRESS(OMAP34XX_DMA4_BASE); dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT; } else if (cpu_is_omap44xx()) { - omap_dma_base = IO_ADDRESS(OMAP44XX_DMA4_BASE); + omap_dma_base = OMAP2_IO_ADDRESS(OMAP44XX_DMA4_BASE); dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT; } else { pr_err("DMA init failed for unsupported omap\n"); |