1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/usb/musb/musbhsdma.h b/drivers/usb/musb/musbhsdma.h
index 1299d92dc83f..613f95a058f7 100644
--- a/drivers/usb/musb/musbhsdma.h
+++ b/drivers/usb/musb/musbhsdma.h
@@ -55,6 +55,10 @@
                     MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDRESS), \
                     addr)
 
+#define musb_read_hsdma_count(mbase, bchannel)  \
+        musb_readl(mbase,       \
+                   MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT))
+
 #define musb_write_hsdma_count(mbase, bchannel, len) \
         musb_writel(mbase, \
                     MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT), \
@@ -96,6 +100,19 @@ static inline void musb_write_hsdma_addr(void __iomem *mbase,
                 ((u16)(((u32) dma_addr >> 16) & 0xFFFF)));
 }
 
+static inline u32 musb_read_hsdma_count(void __iomem *mbase, u8 bchannel)
+{
+        u32 count = musb_readw(mbase,
+                MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_HIGH));
+
+        count = count << 16;
+
+        count |= musb_readw(mbase,
+                MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_LOW));
+
+        return count;
+}
+
 static inline void musb_write_hsdma_count(void __iomem *mbase,
                                 u8 bchannel, u32 len)
 {