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 --- 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 |