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SubjectRe: [PATCH V3 2/4] [SCSI] drivers/scsi/ufs: Separate PCI code into glue driver
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On Thursday 26 July 2012, Vinayak Holikatti wrote:

> diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c
> new file mode 100644
> index 0000000..d078744
> --- /dev/null
> +++ b/drivers/scsi/ufs/ufshcd-pci.c
> @@ -0,0 +1,228 @@
> +/*
> + * Universal Flash Storage Host controller driver
> + *
> + * This code is based on drivers/scsi/ufs/ufshcd-pci.c
> + * Copyright (C) 2011-2012 Samsung India Software Operations
> + *
> + * Santosh Yaraganavi <santosh.sy@samsung.com>
> + * Vinayak Holikatti <h.vinayak@samsung.com>
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License
> + * as published by the Free Software Foundation; either version 2
> + * of the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * NO WARRANTY
> + * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
> + * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
> + * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
> + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
> + * solely responsible for determining the appropriateness of using and
> + * distributing the Program and assumes all risks associated with its
> + * exercise of rights under this Agreement, including but not limited to
> + * the risks and costs of program errors, damage to or loss of data,
> + * programs or equipment, and unavailability or interruption of operations.
> +
> + * DISCLAIMER OF LIABILITY
> + * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
> + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
> + * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
> + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
> + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
> + * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
> + * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES

It's a bit unusual to have three separate warranty disclaimers. Unless you've
specifically been asked to include all of them by your legal department to
do it like this, I would suggest you remove all but on of them.

> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
> + * USA.

These statements also get outdated frequently when the FSF moves its
offices. We have the same thing in the global COPYING file of the kernel,
so most people don't carry their own copy.

> +static int __init ufshcd_module_init(void)
> {
> + pr_info("UFS Host Driver Core loaded\n");
> return 0;
> }
>
> +static void __exit ufshcd_module_exit(void)
> +{
> + pr_info("UFS Host Driver Core unloaded\n");
> +}
> +
> +module_init(ufshcd_module_init);
> +module_exit(ufshcd_module_exit);

The pr_info statements do not add any real value here. I would just drop
the module_init/module_exit functions entirely as they are not required.

Arnd


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