From: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
Enable soft disconnect bit the OTG core during initialization. Without this,
the host sees that a gadget is connected and tries to enumerate. The
soft disconnect should be enabled until the USB gadget driver is
registered with this otg driver.
Signed-off-by: Thomas Abraham <thomas.ab@xxxxxxxxxxx>
Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx>
---
drivers/usb/gadget/s3c-hsotg.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 8ed4f8a..3bcc0f1 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -2777,6 +2777,9 @@ static void s3c_hsotg_init(struct s3c_hsotg *hsotg)
writel(0, hsotg->regs + S3C_DAINTMSK);
+ /* Be in disconnected state until gadget is registered */
+ __orr32(hsotg->regs + S3C_DCTL, S3C_DCTL_SftDiscon);
+
if (0) {
/* post global nak until we're ready */
writel(S3C_DCTL_SGNPInNAK | S3C_DCTL_SGOUTNak,
--
1.6.3.3
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