From: Bjorn Andersson <bjorn.andersson@linaro.org> To: Ohad Ben-Cohen <ohad@wizery.com>, Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Jonathan Corbet <corbet@lwn.net>, Linus Walleij <linus.walleij@linaro.org>, Marek Novak <marek.novak@nxp.com>, Matteo Sartori <matteo.sartori@t3lab.it>, Michal Simek <monstr@monstr.eu>, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 2/5] rpmsg: Introduce a driver override mechanism Date: Fri, 7 Oct 2016 21:23:12 -0700 [thread overview] Message-ID: <1475900595-8375-2-git-send-email-bjorn.andersson@linaro.org> (raw) In-Reply-To: <1475900595-8375-1-git-send-email-bjorn.andersson@linaro.org> Similar to other subsystems it's useful to provide a mechanism to force a specific driver match on a device, so introduce this. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- drivers/rpmsg/rpmsg_core.c | 3 +++ include/linux/rpmsg.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index b6ea9ffa7381..087d4db896c8 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -315,6 +315,9 @@ static int rpmsg_dev_match(struct device *dev, struct device_driver *drv) const struct rpmsg_device_id *ids = rpdrv->id_table; unsigned int i; + if (rpdev->driver_override) + return !strcmp(rpdev->driver_override, drv->name); + if (ids) for (i = 0; ids[i].name[0]; i++) if (rpmsg_id_match(rpdev, &ids[i])) diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h index 452d393cc8dd..7ad6c205f110 100644 --- a/include/linux/rpmsg.h +++ b/include/linux/rpmsg.h @@ -64,6 +64,7 @@ struct rpmsg_channel_info { * rpmsg_device - device that belong to the rpmsg bus * @dev: the device struct * @id: device id (used to match between rpmsg drivers and devices) + * @driver_override: driver name to force a match * @src: local address * @dst: destination address * @ept: the rpmsg endpoint of this channel @@ -72,6 +73,7 @@ struct rpmsg_channel_info { struct rpmsg_device { struct device dev; struct rpmsg_device_id id; + char *driver_override; u32 src; u32 dst; struct rpmsg_endpoint *ept; -- 2.5.0
WARNING: multiple messages have this Message-ID (diff)
From: bjorn.andersson@linaro.org (Bjorn Andersson) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/5] rpmsg: Introduce a driver override mechanism Date: Fri, 7 Oct 2016 21:23:12 -0700 [thread overview] Message-ID: <1475900595-8375-2-git-send-email-bjorn.andersson@linaro.org> (raw) In-Reply-To: <1475900595-8375-1-git-send-email-bjorn.andersson@linaro.org> Similar to other subsystems it's useful to provide a mechanism to force a specific driver match on a device, so introduce this. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- drivers/rpmsg/rpmsg_core.c | 3 +++ include/linux/rpmsg.h | 2 ++ 2 files changed, 5 insertions(+) diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index b6ea9ffa7381..087d4db896c8 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -315,6 +315,9 @@ static int rpmsg_dev_match(struct device *dev, struct device_driver *drv) const struct rpmsg_device_id *ids = rpdrv->id_table; unsigned int i; + if (rpdev->driver_override) + return !strcmp(rpdev->driver_override, drv->name); + if (ids) for (i = 0; ids[i].name[0]; i++) if (rpmsg_id_match(rpdev, &ids[i])) diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h index 452d393cc8dd..7ad6c205f110 100644 --- a/include/linux/rpmsg.h +++ b/include/linux/rpmsg.h @@ -64,6 +64,7 @@ struct rpmsg_channel_info { * rpmsg_device - device that belong to the rpmsg bus * @dev: the device struct * @id: device id (used to match between rpmsg drivers and devices) + * @driver_override: driver name to force a match * @src: local address * @dst: destination address * @ept: the rpmsg endpoint of this channel @@ -72,6 +73,7 @@ struct rpmsg_channel_info { struct rpmsg_device { struct device dev; struct rpmsg_device_id id; + char *driver_override; u32 src; u32 dst; struct rpmsg_endpoint *ept; -- 2.5.0
next prev parent reply other threads:[~2016-10-08 4:23 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-10-08 4:23 [PATCH 1/5] rpmsg: smd: Reduce restrictions when finding channel Bjorn Andersson 2016-10-08 4:23 ` Bjorn Andersson 2016-10-08 4:23 ` Bjorn Andersson [this message] 2016-10-08 4:23 ` [PATCH 2/5] rpmsg: Introduce a driver override mechanism Bjorn Andersson 2016-10-08 4:23 ` [PATCH 3/5] rpmsg: Support drivers without primary endpoint Bjorn Andersson 2016-10-08 4:23 ` Bjorn Andersson 2016-10-08 4:23 ` [PATCH 4/5] rpmsg: Driver for user space endpoint interface Bjorn Andersson 2016-10-08 4:23 ` Bjorn Andersson 2016-10-10 9:00 ` Marek Novak 2016-10-10 9:00 ` Marek Novak 2016-10-10 9:00 ` Marek Novak 2016-10-10 9:00 ` Marek Novak 2016-10-11 7:46 ` loic pallardy 2016-10-11 7:46 ` loic pallardy 2016-10-11 7:46 ` loic pallardy 2016-10-11 16:36 ` Bjorn Andersson 2016-10-11 16:36 ` Bjorn Andersson 2016-10-11 16:36 ` Bjorn Andersson 2016-10-08 4:23 ` [PATCH 5/5] rpmsg: smd: Register rpmsg user space interface for edges Bjorn Andersson 2016-10-08 4:23 ` Bjorn Andersson
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1475900595-8375-2-git-send-email-bjorn.andersson@linaro.org \ --to=bjorn.andersson@linaro.org \ --cc=corbet@lwn.net \ --cc=linus.walleij@linaro.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-arm-msm@vger.kernel.org \ --cc=linux-doc@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-remoteproc@vger.kernel.org \ --cc=marek.novak@nxp.com \ --cc=matteo.sartori@t3lab.it \ --cc=monstr@monstr.eu \ --cc=ohad@wizery.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.