Hi Juergen,
On Thu, Apr 14, 2011 at 09:31:43AM +0200, Juergen Kilb wrote:
> With commit 19403165 a main part of ehci-omap.c moved to
> drivers/mfd/omap-usb-host.c created by commit 17cdd29d.
> Due to this reorganisation the polarity used to reset the
> external USB phy changed and USB host doesn't recognize
> any devices.
If that fix is correct, it looks like it should make its way to 2.6.39.
Felipe, are you ok with this fix ?
Cheers,
Samuel.
> Signed-off-by: Juergen Kilb <J.Kilb@xxxxxxxxx>
> ---
> drivers/mfd/omap-usb-host.c | 8 ++++----
> 1 files changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
> index 53450f4..491cac5 100644
> --- a/drivers/mfd/omap-usb-host.c
> +++ b/drivers/mfd/omap-usb-host.c
> @@ -719,14 +719,14 @@ static int usbhs_enable(struct device *dev)
> gpio_request(pdata->ehci_data->reset_gpio_port[0],
> "USB1 PHY reset");
> gpio_direction_output
> - (pdata->ehci_data->reset_gpio_port[0], 1);
> + (pdata->ehci_data->reset_gpio_port[0], 0);
> }
>
> if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1])) {
> gpio_request(pdata->ehci_data->reset_gpio_port[1],
> "USB2 PHY reset");
> gpio_direction_output
> - (pdata->ehci_data->reset_gpio_port[1], 1);
> + (pdata->ehci_data->reset_gpio_port[1], 0);
> }
>
> /* Hold the PHY in RESET for enough time till DIR is high */
> @@ -906,11 +906,11 @@ static int usbhs_enable(struct device *dev)
>
> if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[0]))
> gpio_set_value
> - (pdata->ehci_data->reset_gpio_port[0], 0);
> + (pdata->ehci_data->reset_gpio_port[0], 1);
>
> if (gpio_is_valid(pdata->ehci_data->reset_gpio_port[1]))
> gpio_set_value
> - (pdata->ehci_data->reset_gpio_port[1], 0);
> + (pdata->ehci_data->reset_gpio_port[1], 1);
> }
>
> end_count:
> --
> 1.7.0.4
>
--
Intel Open Source Technology Centre
http://oss.intel.com/
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