Assert reset and disable the clock to properly put the musb controller back in reset on exit.
Signed-off-by: Hans de Goede hdegoede@redhat.com --- drivers/usb/musb-new/sunxi.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c index e8a3a23..e2c9d5a 100644 --- a/drivers/usb/musb-new/sunxi.c +++ b/drivers/usb/musb-new/sunxi.c @@ -284,6 +284,8 @@ static int sunxi_musb_init(struct musb *musb)
static int sunxi_musb_exit(struct musb *musb) { + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + pr_debug("%s():\n", __func__);
USBC_DisableDpDmPullUp(musb->mregs); @@ -291,6 +293,11 @@ static int sunxi_musb_exit(struct musb *musb) sunxi_usb_phy_power_off(0); sunxi_usb_phy_exit(0);
+#ifdef CONFIG_SUNXI_GEN_SUN6I + clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_GATE_OFFSET_USB0); +#endif + clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0); + return 0; }