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authorRoger Quadros <rogerq@ti.com>2019-10-07 15:16:01 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-10-10 13:42:08 +0300
commitac9099e10a603f02f52f583fba78dd54c52b5542 (patch)
tree2e2bed3ad9999341c81a5a61cf2daa83c1092d6f /drivers
parent369dca424a3f9ef80bc4e5a5ccdd41a17ce306c1 (diff)
downloadlinux-ac9099e10a603f02f52f583fba78dd54c52b5542.tar.xz
usb: cdns3: gadget: Fix full-speed mode
We need to disable USB3 PHY for full-speed mode else gadget mode is broken. Signed-off-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com> Reviewed-by: Peter Chen <peter.chen@nxp.com> Link: https://lore.kernel.org/r/20191007121601.25996-3-rogerq@ti.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/cdns3/gadget.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 228cdc4ab886..157536753b8c 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -2571,6 +2571,7 @@ static int cdns3_gadget_start(struct cdns3 *cdns)
switch (max_speed) {
case USB_SPEED_FULL:
writel(USB_CONF_SFORCE_FS, &priv_dev->regs->usb_conf);
+ writel(USB_CONF_USB3DIS, &priv_dev->regs->usb_conf);
break;
case USB_SPEED_HIGH:
writel(USB_CONF_USB3DIS, &priv_dev->regs->usb_conf);