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authorTony Lindgren <tony@atomide.com>2015-05-01 12:29:28 -0700
committerFelipe Balbi <balbi@ti.com>2015-05-07 13:35:51 -0500
commit7f6283ed6fe867ce168ee3eea2ced4f6cdeeb37a (patch)
treee5f5f48541a71f85abf585754a5d649b91c0273b /drivers/usb/musb/musbhsdma.c
parentf8e9f34f80a21540ebf8ba26877568124ca096b0 (diff)
usb: musb: Set up function pointers for DMA
Set up function pointers for DMA so get closer to being able to build in all the DMA engines. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/musb/musbhsdma.c')
-rw-r--r--drivers/usb/musb/musbhsdma.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index ab7ec09a8afe..7539c3188ffc 100644
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -357,7 +357,7 @@ done:
return retval;
}
-void dma_controller_destroy(struct dma_controller *c)
+void musbhs_dma_controller_destroy(struct dma_controller *c)
{
struct musb_dma_controller *controller = container_of(c,
struct musb_dma_controller, controller);
@@ -369,8 +369,10 @@ void dma_controller_destroy(struct dma_controller *c)
kfree(controller);
}
+EXPORT_SYMBOL_GPL(musbhs_dma_controller_destroy);
-struct dma_controller *dma_controller_create(struct musb *musb, void __iomem *base)
+struct dma_controller *musbhs_dma_controller_create(struct musb *musb,
+ void __iomem *base)
{
struct musb_dma_controller *controller;
struct device *dev = musb->controller;
@@ -398,7 +400,7 @@ struct dma_controller *dma_controller_create(struct musb *musb, void __iomem *ba
if (request_irq(irq, dma_controller_irq, 0,
dev_name(musb->controller), &controller->controller)) {
dev_err(dev, "request_irq %d failed!\n", irq);
- dma_controller_destroy(&controller->controller);
+ musb_dma_controller_destroy(&controller->controller);
return NULL;
}
@@ -407,3 +409,4 @@ struct dma_controller *dma_controller_create(struct musb *musb, void __iomem *ba
return &controller->controller;
}
+EXPORT_SYMBOL_GPL(musbhs_dma_controller_create);