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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>
utp
Stephen Warren 2015-03-24 20:07:35 -06:00 committed by Marek Vasut
parent 79340db7f1
commit 5c0beb5c58
1 changed files with 3 additions and 1 deletions
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4
drivers/usb/host/dwc2.c
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@ -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 |