Re: [PATCH] drivers: usb: gadget: prefer pr_*() functions over raw printk()

From: Enrico Weigelt, metux IT consult
Date: Wed Dec 09 2020 - 06:14:33 EST


On 08.12.20 16:54, Laurent Pinchart wrote:

Hi,

>> diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
>> index 2b893bceea45..4834fafb3f70 100644
>> --- a/drivers/usb/gadget/udc/atmel_usba_udc.c
>> +++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
>> @@ -1573,7 +1573,7 @@ static void usba_control_irq(struct usba_udc *udc, struct usba_ep *ep)
>> * generate or receive a reply right away. */
>> usba_ep_writel(ep, CLR_STA, USBA_RX_SETUP);
>>
>> - /* printk(KERN_DEBUG "setup: %d: %02x.%02x\n",
>> + /* pr_debug("setup: %d: %02x.%02x\n",
>> ep->state, crq.crq.bRequestType,
>> crq.crq.bRequest); */
>
> I wonder if this shouldn't be dropped instead, commented-out code isn't
> very useful.

Indeed. Shall I send a separate patch for that ?

> When a pointer to a struct device is available, dev_err() would be much
> better. That's however out of scope for this patch, but it would be nice
> to address it. This would become
>
> dev_err(&pdev->dev, "Check IRQ setup!\n");
>

You're right. I didn't check for that yet. I'll do it in a separate
patch.


--mtx

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Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
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