Re: [PATCH v3 2/3] usb: xhci: Add DbC support in xHCI driver

From: Lu Baolu
Date: Wed Nov 15 2017 - 02:26:17 EST


Hi,

On 11/14/2017 03:28 PM, Felipe Balbi wrote:
> Hi,
>
> Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> writes:
>>> +static int dbc_buf_alloc(struct dbc_buf *db, unsigned int size)
>>> +{
>>> + db->buf_buf = kzalloc(size, GFP_KERNEL);
>>> + if (!db->buf_buf)
>>> + return -ENOMEM;
>>> +
>>> + db->buf_size = size;
>>> + db->buf_put = db->buf_buf;
>>> + db->buf_get = db->buf_buf;
>>> +
>>> + return 0;
>>> +}
> you may wanna have a look at kfifo.
>

Yeah! kfifo gives me exactly what I want here.

I will replace it with kfifo. Thank you.

Best regards,
Lu Baolu