Hi,
On Mon, Dec 09, 2013 at 05:17:03PM -0500, WingMan Kwok wrote:
> +static void kdwc3_enable_irqs(struct dwc3_keystone *kdwc)
> +{
> + u32 val;
> +
> + val = kdwc3_readl(kdwc->usbss, USBSS_IRQENABLE_SET_0);
> + val = USBSS_IRQ_COREIRQ_EN;
this misses the | in |=. I can fix it up while applying, this time only.
> +static int kdwc3_probe(struct platform_device *pdev)
> +{
> + struct device *dev = &pdev->dev;
> + struct device_node *node = pdev->dev.of_node;
> + struct dwc3_keystone *kdwc;
> + struct resource *res;
> + int error, irq;
> +
> + kdwc = devm_kzalloc(dev, sizeof(*kdwc), GFP_KERNEL);
> + if (!kdwc)
> + return -ENOMEM;
> +
> + platform_set_drvdata(pdev, kdwc);
> +
> + kdwc->dev = dev;
> +
> + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + if (!res) {
> + dev_err(dev, "missing usbss resource\n");
> + return -EINVAL;
> + }
> +
> + kdwc->usbss = devm_ioremap_resource(dev, res);
> + if (IS_ERR(kdwc->usbss))
> + return PTR_ERR(kdwc->usbss);
> +
> + kdwc3_dma_mask = dma_get_mask(dev);
> + dev->dma_mask = &kdwc3_dma_mask;
> +
> + kdwc->clk = devm_clk_get(kdwc->dev, "usb");
> + if (IS_ERR_OR_NULL(kdwc->clk)) {
clk_get() will never return NULL. This time, I'll fix it while applying.
> +static int kdwc3_remove(struct platform_device *pdev)
> +{
> + struct dwc3_keystone *kdwc = platform_get_drvdata(pdev);
> +
> + kdwc3_disable_irqs(kdwc);
> + clk_disable_unprepare(kdwc->clk);
I hope the clock isn't shared between core and wrapper, otherwise you
could run into some troubles here. Can you confirm ?
--
balbi
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