Re: [PATCH 2/2 v3] usb: ohci: remove ep93xx bus glue platform driver

From: Alan Stern
Date: Thu Oct 17 2013 - 15:10:39 EST


On Thu, 17 Oct 2013, H Hartley Sweeten wrote:

> Convert ep93xx to use the OHCI platform driver and remove the
> ohci-ep93xx bus glue driver.
>
> Enable CONFIG_OHCI_HCD_PLATFORM in the ep93xx_defconfig so that USB
> is still enabled by default on the EP93xx platform.
>
> Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>

> +/*************************************************************************
> + * EP93xx OHCI USB Host
> + *************************************************************************/
> +
> +static struct clk *ep93xx_ohci_host_clock;
> +
> +static int ep93xx_ohci_power_on(struct platform_device *pdev)
> +{
> + if (!ep93xx_ohci_host_clock) {
> + ep93xx_ohci_host_clock = devm_clk_get(&pdev->dev, NULL);
> + if (IS_ERR(ep93xx_ohci_host_clock))
> + return PTR_ERR(ep93xx_ohci_host_clock);
> + }
> +
> + clk_enable(ep93xx_ohci_host_clock);
> +
> + return 0;

Wasn't this supposed to be changed to:

return clk_enable(ep93xx_ohci_host_clock);

? Otherwise it looks fine. After fixing this, you can add

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

Alan Stern

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