On Monday 09 December 2013 09:51 PM, Balbi, Felipe wrote:
> 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 ?
>
Yes. the clock isn't shared. Thanks for taking care of other parts.
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