3 files changed, 15 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 01619c2910e3..d4d9a5e62152 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -2000,6 +2000,12 @@ void omap_dma_global_context_restore(void)
                         omap_clear_dma(ch);
 }
 
+struct omap_system_dma_plat_info *omap_get_plat_info(void)
+{
+        return p;
+}
+EXPORT_SYMBOL_GPL(omap_get_plat_info);
+
 static int omap_system_dma_probe(struct platform_device *pdev)
 {
         int ch, ret = 0;
diff --git a/drivers/dma/omap-dma.c b/drivers/dma/omap-dma.c
index 98034e8c558f..4ac26bf0ad30 100644
--- a/drivers/dma/omap-dma.c
+++ b/drivers/dma/omap-dma.c
@@ -26,11 +26,13 @@ struct omap_dmadev {
         spinlock_t lock;
         struct tasklet_struct task;
         struct list_head pending;
+        struct omap_system_dma_plat_info *plat;
 };
 
 struct omap_chan {
         struct virt_dma_chan vc;
         struct list_head node;
+        struct omap_system_dma_plat_info *plat;
 
         struct dma_slave_config cfg;
         unsigned dma_sig;
@@ -573,6 +575,7 @@ static int omap_dma_chan_init(struct omap_dmadev *od, int dma_sig)
         if (!c)
                 return -ENOMEM;
 
+        c->plat = od->plat;
         c->dma_sig = dma_sig;
         c->vc.desc_free = omap_dma_desc_free;
         vchan_init(&c->vc, &od->ddev);
@@ -605,6 +608,10 @@ static int omap_dma_probe(struct platform_device *pdev)
         if (!od)
                 return -ENOMEM;
 
+        od->plat = omap_get_plat_info();
+        if (!od->plat)
+                return -EPROBE_DEFER;
+
         dma_cap_set(DMA_SLAVE, od->ddev.cap_mask);
         dma_cap_set(DMA_CYCLIC, od->ddev.cap_mask);
         od->ddev.device_alloc_chan_resources = omap_dma_alloc_chan_resources;
diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h
index 7af25a9c9c51..14742fc2aefe 100644
--- a/include/linux/omap-dma.h
+++ b/include/linux/omap-dma.h
@@ -292,6 +292,8 @@ struct omap_system_dma_plat_info {
 #define dma_omap15xx()  ((dma_omap1() && (d->dev_caps & ENABLE_1510_MODE)))
 #define dma_omap16xx()  ((dma_omap1() && (d->dev_caps & ENABLE_16XX_MODE)))
 
+extern struct omap_system_dma_plat_info *omap_get_plat_info(void);
+
 extern void omap_set_dma_priority(int lch, int dst_port, int priority);
 extern int omap_request_dma(int dev_id, const char *dev_name,
                         void (*callback)(int lch, u16 ch_status, void *data),