[PATCH 3/5] musb: add function to check if Inventra DMA used

[Ajay Kumar Gupta <ajay.gupta-l0cyMroinI0@public.gmane.org>]

Added is_inventra_dma_enabled() funtion which would be required
for adding workaround for Inventra DMA issues. It can also be
used at other places instead of #ifdefs.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta-l0cyMroinI0@public.gmane.org>
---
 drivers/usb/musb/musb_dma.h |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/musb/musb_dma.h b/drivers/usb/musb/musb_dma.h
index 916065b..b8b385e 100644
--- a/drivers/usb/musb/musb_dma.h
+++ b/drivers/usb/musb/musb_dma.h
@@ -80,6 +80,12 @@ struct musb_hw_ep;
 #define tusb_dma_omap()			0
 #endif
 
+#ifdef CONFIG_USB_INVENTRA_DMA
+#define	is_inventra_dma_enabled()	1
+#else
+#define	is_inventra_dma_enabled()	0
+#endif
+
 /* Anomaly 05000456 - USB Receive Interrupt Is Not Generated in DMA Mode 1
  *	Only allow DMA mode 1 to be used when the USB will actually generate the
  *	interrupts we expect.
-- 
1.6.2.4

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