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authorDavid Woodhouse <David.Woodhouse@intel.com>2009-09-20 05:55:36 -0700
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-09-20 05:55:36 -0700
commit6469f540ea37d53db089c8fea9c0c77a3d9353d4 (patch)
tree1dc9dc077150d57f4424cae49e711b5dd6e903a1 /arch/arm/plat-omap/dma.c
parent304e6d5fe294b80e6d3107f99ec241816390ebcc (diff)
parent78f28b7c555359c67c2a0d23f7436e915329421e (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts: drivers/mtd/mtdcore.c Merged in order that I can apply the Nomadik nand/onenand support patches.
Diffstat (limited to 'arch/arm/plat-omap/dma.c')
-rw-r--r--arch/arm/plat-omap/dma.c18
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");