We need this for dwc2 to work on older ralink SoC like the rt3052.
Signed-off-by: John Crispin <blo...@openwrt.org>
---
drivers/usb/dwc2/hcd.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 4d918ed..8b5f966 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -47,6 +47,7 @@
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/usb.h>
+#include <linux/reset.h>
#include <linux/usb/hcd.h>
#include <linux/usb/ch11.h>
@@ -2764,6 +2765,11 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg, int irq,
dev_dbg(hsotg->dev, "DWC OTG HCD INIT\n");
+ /* reset the device if a reset controller is present */
+ retval = device_reset_optional(hsotg->dev);
+ if (retval && retval != -ENOSYS)
+ return retval;
+
/* Detect config values from hardware */
retval = dwc2_get_hwparams(hsotg);
--
1.7.10.4
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