[patch 1/5] ehci-mxc: Enable vbus later
Sascha Hauer
s.hauer at pengutronix.de
Tue Dec 21 04:31:32 EST 2010
On Mon, Dec 20, 2010 at 04:48:54PM +0100, Arnaud Patard wrote:
> vbus should be enabled after usb_add_hcd() otherwise USB is not working
> on my efikamx.
There is really something wrong with the way we handle initialization of
the mxc ehci controller. There are frequently patches posted trying to
change this order, and I think we are at a point where we can't move
anymore without possibly breaking some other board. Should this be
completely board dependend in the end?
Sascha
>
> Signed-off-by: Arnaud Patard <arnaud.patard at rtp-net.org>
> Index: tst-usb/drivers/usb/host/ehci-mxc.c
> ===================================================================
> --- tst-usb.orig/drivers/usb/host/ehci-mxc.c 2010-12-20 15:38:41.000000000 +0100
> +++ tst-usb/drivers/usb/host/ehci-mxc.c 2010-12-20 15:38:43.000000000 +0100
> @@ -210,11 +210,6 @@
> ret = -ENODEV;
> goto err_add;
> }
> - ret = otg_set_vbus(pdata->otg, 1);
> - if (ret) {
> - dev_err(dev, "unable to enable vbus on transceiver\n");
> - goto err_add;
> - }
> }
>
> priv->hcd = hcd;
> @@ -224,6 +219,14 @@
> if (ret)
> goto err_add;
>
> + if (pdata->otg) {
> + ret = otg_set_vbus(pdata->otg, 1);
> + if (ret) {
> + dev_err(dev, "unable to enable vbus on transceiver\n");
> + goto err_add;
> + }
> + }
> +
> return 0;
>
> err_add:
>
>
>
--
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