Use of these APIs is required on the Raspberry Pi. With this change, USB
on RPi1 should be more reliable, and USB on the RPi2 will start working.

Signed-off-by: Stephen Warren <swar...@wwwdotorg.org>
---
We likely should enable use of these functions for mbox, SDHCI, and
LCD display too. However, I haven't validated those yet.
---
 drivers/usb/host/dwc2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c
index 5f4ca7abf7bf..8f7c269dd1a5 100644
--- a/drivers/usb/host/dwc2.c
+++ b/drivers/usb/host/dwc2.c
@@ -9,6 +9,7 @@
 #include <errno.h>
 #include <usb.h>
 #include <malloc.h>
+#include <phys2bus.h>
 #include <usbroothubdes.h>
 #include <asm/io.h>
 
@@ -795,7 +796,8 @@ int chunk_msg(struct usb_device *dev, unsigned long pipe, 
int *pid, int in,
                if (!in)
                        memcpy(aligned_buffer, (char *)buffer + done, len);
 
-               writel((uint32_t)aligned_buffer, &hc_regs->hcdma);
+               writel(phys_to_bus((unsigned long)aligned_buffer),
+                      &hc_regs->hcdma);
 
                /* Set host channel enable after all other setup is complete. */
                clrsetbits_le32(&hc_regs->hcchar, DWC2_HCCHAR_MULTICNT_MASK |
-- 
1.9.1

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