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path: root/drivers/usb/mtu3
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Diffstat (limited to 'drivers/usb/mtu3')
-rw-r--r--drivers/usb/mtu3/mtu3_core.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/mtu3/mtu3_core.c b/drivers/usb/mtu3/mtu3_core.c
index e306b93c007d..562f4357831e 100644
--- a/drivers/usb/mtu3/mtu3_core.c
+++ b/drivers/usb/mtu3/mtu3_core.c
@@ -334,6 +334,10 @@ void mtu3_start(struct mtu3 *mtu)
mtu3_readl(mbase, U3D_DEVICE_CONTROL));
mtu3_clrbits(mtu->ippc_base, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN);
+ if (mtu->is_u3_ip)
+ mtu3_clrbits(mtu->ippc_base, SSUSB_U3_CTRL(0), SSUSB_U3_PORT_PDN);
+
+ mtu3_clrbits(mtu->ippc_base, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_PDN);
mtu3_csr_init(mtu);
mtu3_set_speed(mtu, mtu->speed);
@@ -356,6 +360,11 @@ void mtu3_stop(struct mtu3 *mtu)
mtu3_dev_on_off(mtu, 0);
mtu->is_active = 0;
+
+ if (mtu->is_u3_ip)
+ mtu3_setbits(mtu->ippc_base, SSUSB_U3_CTRL(0), SSUSB_U3_PORT_PDN);
+
+ mtu3_setbits(mtu->ippc_base, SSUSB_U2_CTRL(0), SSUSB_U2_PORT_PDN);
mtu3_setbits(mtu->ippc_base, U3D_SSUSB_IP_PW_CTRL2, SSUSB_IP_DEV_PDN);
}