On Wed, 8 Jun 2016, Hans de Goede wrote:

> Add support for shared platform controllers by using
> devm_reset_control_get_shared_by_index instead of
> of_reset_control_get_by_index.
> 
> Note we use the devm function because there is no
> of_reset_control_get_shared_by_index, this also leads
> to a nice cleanup of the cleanup code.
> 
> This brings the ehci-platform reset handling code inline
> with ohci-platform.
> 
> Signed-off-by: Hans de Goede <[email protected]>
> ---

This is just the difference between what Greg has merged and what you 
wanted to add, right?  If so, then

Acked-by: Alan Stern <[email protected]>

Alan Stern

>  drivers/usb/host/ehci-platform.c | 16 +++++-----------
>  1 file changed, 5 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/usb/host/ehci-platform.c 
> b/drivers/usb/host/ehci-platform.c
> index bc33f45..6816b8c 100644
> --- a/drivers/usb/host/ehci-platform.c
> +++ b/drivers/usb/host/ehci-platform.c
> @@ -236,8 +236,8 @@ static int ehci_platform_probe(struct platform_device 
> *dev)
>       }
>  
>       for (rst = 0; rst < EHCI_MAX_RSTS; rst++) {
> -             priv->rsts[rst] = of_reset_control_get_by_index(
> -                                     dev->dev.of_node, rst);
> +             priv->rsts[rst] = devm_reset_control_get_shared_by_index(
> +                                     &dev->dev, rst);
>               if (IS_ERR(priv->rsts[rst])) {
>                       err = PTR_ERR(priv->rsts[rst]);
>                       if (err == -EPROBE_DEFER)
> @@ -247,10 +247,8 @@ static int ehci_platform_probe(struct platform_device 
> *dev)
>               }
>  
>               err = reset_control_deassert(priv->rsts[rst]);
> -             if (err) {
> -                     reset_control_put(priv->rsts[rst]);
> +             if (err)
>                       goto err_reset;
> -             }
>       }
>  
>       if (pdata->big_endian_desc)
> @@ -307,10 +305,8 @@ err_power:
>       if (pdata->power_off)
>               pdata->power_off(dev);
>  err_reset:
> -     while (--rst >= 0) {
> +     while (--rst >= 0)
>               reset_control_assert(priv->rsts[rst]);
> -             reset_control_put(priv->rsts[rst]);
> -     }
>  err_put_clks:
>       while (--clk >= 0)
>               clk_put(priv->clks[clk]);
> @@ -335,10 +331,8 @@ static int ehci_platform_remove(struct platform_device 
> *dev)
>       if (pdata->power_off)
>               pdata->power_off(dev);
>  
> -     for (rst = 0; rst < EHCI_MAX_RSTS && priv->rsts[rst]; rst++) {
> +     for (rst = 0; rst < EHCI_MAX_RSTS && priv->rsts[rst]; rst++)
>               reset_control_assert(priv->rsts[rst]);
> -             reset_control_put(priv->rsts[rst]);
> -     }
>  
>       for (clk = 0; clk < EHCI_MAX_CLKS && priv->clks[clk]; clk++)
>               clk_put(priv->clks[clk]);
> 

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