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authorThomas Abraham <thomas.ab@samsung.com>2010-05-24 17:48:56 +0900
committerGreg Kroah-Hartman <gregkh@suse.de>2010-06-04 13:16:19 -0700
commit390b166138e95a47bdfde6582a1935f65e5c6547 (patch)
tree34afb0c75ae5b2175c1b4a097ad10bea9c43bace /drivers/usb
parent0238634d02dd10b678ebe9ea5d8803483277ee93 (diff)
USB: s3c: Enable soft disconnect during initialization
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@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/s3c-hsotg.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 1f73b485732..a6d725dd733 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -2730,6 +2730,9 @@ 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,