ehci does DMA and hence must be properly quiesced before we leave
barebox. Call ehci_unregister() on device removal when we previously
registered a ehci controller.
Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
drivers/usb/imx/chipidea-imx.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/usb/imx/chipidea-imx.c b/drivers/usb/imx/chipidea-imx.c
index 321a8ada3f..7bf2ef76c5 100644
--- a/drivers/usb/imx/chipidea-imx.c
+++ b/drivers/usb/imx/chipidea-imx.c
@@ -364,6 +364,11 @@ static int imx_chipidea_probe(struct device_d *dev)
static void imx_chipidea_remove(struct device_d *dev)
{
+ struct imx_chipidea *ci = dev->priv;
+
+ if (ci->ehci)
+ ehci_unregister(ci->ehci);
+
if (IS_ENABLED(CONFIG_USB_GADGET_DRIVER_ARC))
ci_udc_unregister();
}
--
2.19.0
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