[PATCH] usb: echi-hcd: Add ehci_setup check before echi_shutdown

[Pramod Gurav]

On 19 May 2016 at 15:42, Srinivas Kandagatla
<srinivas.kandagatla at linaro.org> wrote:

<snip>

> Fixes 4bb3cad7125b ("usb: host: ehci-msm: Register usb shutdown function")
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>

Was seeing this crash while doing a reboot on db410c which is fixed
with this patch:

Tested-by: Pramod Gurav <pramod.gurav at linaro.org>