From: Arnaud POULIQUEN <arnaud.pouliquen@foss.st.com>
To: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Bjorn Andersson <bjorn.andersson@linaro.org>,
Ohad Ben-Cohen <ohad@wizery.com>, Andy Gross <agross@kernel.org>,
<linux-remoteproc@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-stm32@st-md-mailman.stormreply.com>,
<linux-arm-msm@vger.kernel.org>
Subject: Re: [PATCH v5 13/16] rpmsg: char: introduce __rpmsg_chrdev_create_eptdev function
Date: Fri, 5 Mar 2021 12:42:36 +0100 [thread overview]
Message-ID: <b22e9ab4-f278-d20c-628b-13676a83b232@foss.st.com> (raw)
In-Reply-To: <20210304190553.GD3854911@xps15>
Hi Mathieu
On 3/4/21 8:05 PM, Mathieu Poirier wrote:
> On Fri, Feb 19, 2021 at 12:14:58PM +0100, Arnaud Pouliquen wrote:
>> Introduce the __rpmsg_chrdev_create_eptdev internal function that returns
>> the rpmsg_eptdev context structure.
>
> Add newlines between paragraphs.
>
>> This patch prepares the introduction of a RPMsg device for the
>> char device. the RPMsg device will need a reference to the context.
>
> s/the/The
>
> s/RPMsg/RPMSG - throughout the patchset.
>
> As a general note please be mindful of patch changelogs. I often find myself
> having to decipher the ideas being conveyed.
Sure, i will rewrite changelogs and comments to make them more explicit.
>
> I am done reviewing this set. There are things I will want to come back to but
> the general goals behind the patchset are being achieved.
Thanks for the review! So I'm going to move forward with this approach.
For the next revision I would propose, to simplify the review, to remove patches
related to the RPMSG_CREATE_DEV_IOCTL.
Thanks,
Arnaud
>
> Thanks,
> Mathieu
>
>>
>> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
>> ---
>> drivers/rpmsg/rpmsg_char.c | 23 ++++++++++++++++++-----
>> 1 file changed, 18 insertions(+), 5 deletions(-)
>>
>> diff --git a/drivers/rpmsg/rpmsg_char.c b/drivers/rpmsg/rpmsg_char.c
>> index 09ae1304837c..66dcb8845d6c 100644
>> --- a/drivers/rpmsg/rpmsg_char.c
>> +++ b/drivers/rpmsg/rpmsg_char.c
>> @@ -328,8 +328,9 @@ int rpmsg_chrdev_eptdev_destroy(struct device *dev, void *data)
>> }
>> EXPORT_SYMBOL(rpmsg_chrdev_eptdev_destroy);
>>
>> -int rpmsg_chrdev_create_eptdev(struct rpmsg_device *rpdev, struct device *parent,
>> - struct rpmsg_channel_info chinfo)
>> +static struct rpmsg_eptdev *__rpmsg_chrdev_create_eptdev(struct rpmsg_device *rpdev,
>> + struct device *parent,
>> + struct rpmsg_channel_info chinfo)
>> {
>> struct rpmsg_eptdev *eptdev;
>> struct device *dev;
>> @@ -337,7 +338,7 @@ int rpmsg_chrdev_create_eptdev(struct rpmsg_device *rpdev, struct device *parent
>>
>> eptdev = kzalloc(sizeof(*eptdev), GFP_KERNEL);
>> if (!eptdev)
>> - return -ENOMEM;
>> + return ERR_PTR(-ENOMEM);
>>
>> dev = &eptdev->dev;
>> eptdev->rpdev = rpdev;
>> @@ -381,7 +382,7 @@ int rpmsg_chrdev_create_eptdev(struct rpmsg_device *rpdev, struct device *parent
>> put_device(dev);
>> }
>>
>> - return ret;
>> + return eptdev;
>>
>> free_ept_ida:
>> ida_simple_remove(&rpmsg_ept_ida, dev->id);
>> @@ -391,7 +392,19 @@ int rpmsg_chrdev_create_eptdev(struct rpmsg_device *rpdev, struct device *parent
>> put_device(dev);
>> kfree(eptdev);
>>
>> - return ret;
>> + return ERR_PTR(ret);
>> +}
>> +
>> +int rpmsg_chrdev_create_eptdev(struct rpmsg_device *rpdev, struct device *parent,
>> + struct rpmsg_channel_info chinfo)
>> +{
>> + struct rpmsg_eptdev *eptdev;
>> +
>> + eptdev = __rpmsg_chrdev_create_eptdev(rpdev, &rpdev->dev, chinfo);
>> + if (IS_ERR(eptdev))
>> + return PTR_ERR(eptdev);
>> +
>> + return 0;
>> }
>> EXPORT_SYMBOL(rpmsg_chrdev_create_eptdev);
>>
>> --
>> 2.17.1
>>
next prev parent reply other threads:[~2021-03-05 11:43 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-19 11:14 [PATCH v5 00/16] introduce a generic IOCTL interface for RPMsg channels management Arnaud Pouliquen
2021-02-19 11:14 ` [PATCH v5 01/16] rpmsg: char: rename rpmsg_char_init to rpmsg_chrdev_init Arnaud Pouliquen
2021-02-19 11:14 ` [PATCH v5 02/16] rpmsg: move RPMSG_ADDR_ANY in user API Arnaud Pouliquen
2021-02-19 11:14 ` [PATCH v5 03/16] rpmsg: add short description of the IOCTL defined in UAPI Arnaud Pouliquen
2021-02-19 11:14 ` [PATCH v5 04/16] rpmsg: char: export eptdev create an destroy functions Arnaud Pouliquen
2021-03-02 17:57 ` Mathieu Poirier
2021-03-03 13:22 ` Arnaud POULIQUEN
2021-03-03 16:30 ` Mathieu Poirier
2021-02-19 11:14 ` [PATCH v5 05/16] rpmsg: char: dissociate the control device from the rpmsg class Arnaud Pouliquen
2021-03-02 18:01 ` Mathieu Poirier
2021-03-03 14:58 ` Arnaud POULIQUEN
2021-02-19 11:14 ` [PATCH v5 06/16] rpmsg: move the rpmsg control device from rpmsg_char to rpmsg_ctrl Arnaud Pouliquen
2021-03-02 18:35 ` Mathieu Poirier
2021-03-03 14:59 ` Arnaud POULIQUEN
2021-03-03 16:34 ` Mathieu Poirier
2021-02-19 11:14 ` [PATCH v5 07/16] rpmsg: update rpmsg_chrdev_register_device function Arnaud Pouliquen
2021-03-03 17:01 ` Mathieu Poirier
2021-02-19 11:14 ` [PATCH v5 08/16] rpmsg: glink: add sendto and trysendto ops Arnaud Pouliquen
2021-03-04 19:11 ` Mathieu Poirier
2021-03-05 10:46 ` Arnaud POULIQUEN
2021-03-05 16:55 ` Mathieu Poirier
2021-02-19 11:14 ` [PATCH v5 09/16] rpmsg: smd: " Arnaud Pouliquen
2021-02-19 11:14 ` [PATCH v5 10/16] rpmsg: char: use sendto to specify the message destination address Arnaud Pouliquen
2021-02-19 11:14 ` [PATCH v5 11/16] rpmsg: virtio: register the rpmsg_ctrl device Arnaud Pouliquen
2021-03-03 18:43 ` Mathieu Poirier
2021-03-04 9:20 ` Arnaud POULIQUEN
2021-02-19 11:14 ` [PATCH v5 12/16] rpmsg: ctrl: introduce RPMSG_CREATE_DEV_IOCTL Arnaud Pouliquen
2021-02-19 11:14 ` [PATCH v5 13/16] rpmsg: char: introduce __rpmsg_chrdev_create_eptdev function Arnaud Pouliquen
2021-03-04 18:55 ` Mathieu Poirier
2021-03-05 10:46 ` Arnaud POULIQUEN
2021-03-05 18:01 ` Mathieu Poirier
2021-03-04 19:05 ` Mathieu Poirier
2021-03-05 11:42 ` Arnaud POULIQUEN [this message]
2021-02-19 11:14 ` [PATCH v5 14/16] rpmsg: char: introduce a RPMsg driver for the RPMsg char device Arnaud Pouliquen
2021-02-19 11:15 ` [PATCH v5 15/16] rpmsg: char: no dynamic endpoint management for the default one Arnaud Pouliquen
2021-03-04 18:40 ` Mathieu Poirier
2021-03-05 11:09 ` Arnaud POULIQUEN
2021-03-05 17:39 ` Mathieu Poirier
2021-02-19 11:15 ` [PATCH v5 16/16] rpmsg: char: return an error if device already open Arnaud Pouliquen
2021-03-04 18:45 ` Mathieu Poirier
2021-03-17 9:29 ` [PATCH v5 00/16] introduce a generic IOCTL interface for RPMsg channels management Arnaud POULIQUEN
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