usb: dwc3: core: make sure evt->lpos is correctly initialized
The same event buffers will be reused when coming
out of hibernation, so we must reinitialize them
properly to avoid any mistakes.
While at that, also take dwc3_event_buffers_setup()
out of __devinit section.
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 1040bdb..49c0602 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -255,7 +255,7 @@
*
* Returns 0 on success otherwise negative errno.
*/
-static int __devinit dwc3_event_buffers_setup(struct dwc3 *dwc)
+static int dwc3_event_buffers_setup(struct dwc3 *dwc)
{
struct dwc3_event_buffer *evt;
int n;
@@ -266,6 +266,8 @@
evt->buf, (unsigned long long) evt->dma,
evt->length);
+ evt->lpos = 0;
+
dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(n),
lower_32_bits(evt->dma));
dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(n),
@@ -285,6 +287,9 @@
for (n = 0; n < dwc->num_event_buffers; n++) {
evt = dwc->ev_buffs[n];
+
+ evt->lpos = 0;
+
dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(n), 0);
dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(n), 0);
dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(n), 0);