From: Felipe Balbi <felipe.balbi@linux.intel.com>
To: Mathias Nyman <mathias.nyman@linux.intel.com>,
Lu Baolu <baolu.lu@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 2/3] usb: xhci: Add DbC support in xHCI driver
Date: Tue, 14 Nov 2017 09:28:49 +0200 [thread overview]
Message-ID: <87shdhb9ou.fsf@linux.intel.com> (raw)
In-Reply-To: <e3fbceea-c2f4-013c-119b-812a9e35a5c1@linux.intel.com>
Hi,
Mathias Nyman <mathias.nyman@linux.intel.com> 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.
--
balbi
next prev parent reply other threads:[~2017-11-14 7:29 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-05 1:58 [PATCH v3 0/3] usb: xhci: Add debug capability support in xhci Lu Baolu
2017-09-05 1:58 ` [PATCH v3 1/3] usb: xhci: Make some static functions global Lu Baolu
2017-09-05 1:58 ` [PATCH v3 2/3] usb: xhci: Add DbC support in xHCI driver Lu Baolu
2017-10-24 17:03 ` Mathias Nyman
2017-10-25 2:15 ` Lu Baolu
2017-11-02 1:36 ` Lu Baolu
2017-11-02 8:17 ` Greg Kroah-Hartman
2017-11-02 9:15 ` Felipe Balbi
2017-11-02 9:32 ` Greg Kroah-Hartman
2017-11-02 10:38 ` Felipe Balbi
2017-11-02 16:51 ` Greg Kroah-Hartman
2017-11-03 0:45 ` Lu Baolu
2017-11-03 6:27 ` Greg Kroah-Hartman
2017-11-03 10:52 ` Felipe Balbi
2017-11-06 0:35 ` Lu Baolu
2017-11-06 8:00 ` Greg Kroah-Hartman
2017-11-07 2:32 ` Lu Baolu
2017-11-13 15:26 ` Mathias Nyman
2017-11-14 7:28 ` Felipe Balbi [this message]
2017-11-15 7:25 ` Lu Baolu
2017-09-05 1:59 ` [PATCH v3 3/3] usb: doc: Update document for USB3 debug port usage Lu Baolu
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