On Fri, Jan 23, 2015 at 2:12 AM, Fabio Estevam <feste...@gmail.com> wrote:
> Ok, I managed to test this on a imx51_babbage that uses reset_gpios.
> Without this patch USB is broken due to e9f2cefb0cdc2ae, but if I
> apply my patch I get a hang:
>
> [ 1.392824] ci_hdrc ci_hdrc.1: doesn't support gadget
> [ 1.397975] ci_hdrc ci_hdrc.1: EHCI Host Controller
> [ 1.403205] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number
> 1
> [ 1.422335] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
> [ 1.432962] hub 1-0:1.0: USB hub found
> [ 1.437119] hub 1-0:1.0: 1 port detected
>
> Will need to debug more.
The problem here is that:
nop->gpiod_reset = devm_gpiod_get(dev, "reset-gpios");
Always return -2.
On imx51-babbage.dts we pass 'reset-gpios' and it used to retrieve it
fine prior to e9f2cefb0cdc2ae ("usb: phy: generic: migrate to
gpio_desc") by using of_get_named_gpio_flags().
Any ideas as to why devm_gpiod_get() always fail now?
I am running linux-next 20150123.
Thanks
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