usb: dwc2: use phys_to_bus/bus_to_phys
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 <swarren@wwwdotorg.org>
diff --git a/drivers/usb/host/dwc2.c b/drivers/usb/host/dwc2.c
index 5f4ca7a..8f7c269 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 @@
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 |