On Wed, Jul 31, 2013 at 04:21:14PM +0200, Lothar Waßmann wrote:
> This prevents the USB PHY refcount to be decremented below zero upon
> unloading the ci-hdrc-imx module.
>
> Signed-off-by: Lothar Waßmann <l...@karo-electronics.de>
> ---
> drivers/usb/chipidea/ci_hdrc_imx.c | 4 +---
> 1 files changed, 1 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c
> b/drivers/usb/chipidea/ci_hdrc_imx.c
> index 14362c0..802eab1 100644
> --- a/drivers/usb/chipidea/ci_hdrc_imx.c
> +++ b/drivers/usb/chipidea/ci_hdrc_imx.c
> @@ -218,10 +218,8 @@ static int ci_hdrc_imx_remove(struct platform_device
> *pdev)
> if (data->reg_vbus)
> regulator_disable(data->reg_vbus);
>
> - if (data->phy) {
> + if (data->phy)
> usb_phy_shutdown(data->phy);
> - module_put(data->phy->dev->driver->owner);
> - }
>
> clk_disable_unprepare(data->clk);
Have you met warning? devm_usb_get_phy_by_phandle at probe calls
try_module_get.
--
Best Regards,
Peter Chen
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