From: Bjorn Andersson <bjorn.andersson@linaro.org> To: Siddharth Gupta <sidgup@codeaurora.org> Cc: agross@kernel.org, ohad@wizery.com, Rishabh Bhatnagar <rishabhb@codeaurora.org>, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, tsoni@codeaurora.org, psodagud@codeaurora.org Subject: Re: [PATCH v2 4/6] remoteproc: qcom: Add name field for every subdevice Date: Wed, 22 Apr 2020 17:54:50 -0700 [thread overview] Message-ID: <20200423005447.GM1868936@builder.lan> (raw) In-Reply-To: <1586389003-26675-5-git-send-email-sidgup@codeaurora.org> On Wed 08 Apr 16:36 PDT 2020, Siddharth Gupta wrote: > From: Rishabh Bhatnagar <rishabhb@codeaurora.org> > > When a client driver wishes to utilize functionality from a particular > subdevice of a remoteproc, it cannot differentiate between the subdevices > that have been added. This patch allows the client driver to distinguish > between subdevices and thus utilize their functionality. > As noted in patch 5, this invites driver authors to traverse the rproc subdev list outside the remoteproc core. So I would like to avoid this. Regards, Bjorn > Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org> > Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org> > --- > drivers/remoteproc/qcom_common.c | 6 ++++++ > include/linux/remoteproc.h | 2 ++ > 2 files changed, 8 insertions(+) > > diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c > index 60650bc..1d2351b 100644 > --- a/drivers/remoteproc/qcom_common.c > +++ b/drivers/remoteproc/qcom_common.c > @@ -56,6 +56,7 @@ void qcom_add_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink) > return; > > glink->dev = dev; > + glink->subdev.name = kstrdup("glink", GFP_KERNEL); > glink->subdev.start = glink_subdev_start; > glink->subdev.stop = glink_subdev_stop; > > @@ -73,6 +74,7 @@ void qcom_remove_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glin > if (!glink->node) > return; > > + kfree(glink->subdev.name); > rproc_remove_subdev(rproc, &glink->subdev); > of_node_put(glink->node); > } > @@ -152,6 +154,7 @@ void qcom_add_smd_subdev(struct rproc *rproc, struct qcom_rproc_subdev *smd) > return; > > smd->dev = dev; > + smd->subdev.name = kstrdup("smd", GFP_KERNEL); > smd->subdev.start = smd_subdev_start; > smd->subdev.stop = smd_subdev_stop; > > @@ -169,6 +172,7 @@ void qcom_remove_smd_subdev(struct rproc *rproc, struct qcom_rproc_subdev *smd) > if (!smd->node) > return; > > + kfree(smd->subdev.name); > rproc_remove_subdev(rproc, &smd->subdev); > of_node_put(smd->node); > } > @@ -220,6 +224,7 @@ void qcom_add_ssr_subdev(struct rproc *rproc, struct qcom_rproc_ssr *ssr, > const char *ssr_name) > { > ssr->name = ssr_name; > + ssr->subdev.name = kstrdup("ssr_notifs", GFP_KERNEL); > ssr->subdev.unprepare = ssr_notify_unprepare; > > rproc_add_subdev(rproc, &ssr->subdev); > @@ -233,6 +238,7 @@ EXPORT_SYMBOL_GPL(qcom_add_ssr_subdev); > */ > void qcom_remove_ssr_subdev(struct rproc *rproc, struct qcom_rproc_ssr *ssr) > { > + kfree(ssr->subdev.name); > rproc_remove_subdev(rproc, &ssr->subdev); > } > EXPORT_SYMBOL_GPL(qcom_remove_ssr_subdev); > diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h > index c5d36e6..687e1eb 100644 > --- a/include/linux/remoteproc.h > +++ b/include/linux/remoteproc.h > @@ -523,6 +523,7 @@ struct rproc { > /** > * struct rproc_subdev - subdevice tied to a remoteproc > * @node: list node related to the rproc subdevs list > + * @name: name of the subdevice > * @prepare: prepare function, called before the rproc is started > * @start: start function, called after the rproc has been started > * @stop: stop function, called before the rproc is stopped; the @crashed > @@ -531,6 +532,7 @@ struct rproc { > */ > struct rproc_subdev { > struct list_head node; > + char *name; > > int (*prepare)(struct rproc_subdev *subdev); > int (*start)(struct rproc_subdev *subdev); > -- > Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project
WARNING: multiple messages have this Message-ID (diff)
From: Bjorn Andersson <bjorn.andersson@linaro.org> To: Siddharth Gupta <sidgup@codeaurora.org> Cc: agross@kernel.org, ohad@wizery.com, Rishabh Bhatnagar <rishabhb@codeaurora.org>, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, tsoni@codeaurora.org, psodagud@codeaurora.org Subject: Re: [PATCH v2 4/6] remoteproc: qcom: Add name field for every subdevice Date: Wed, 22 Apr 2020 17:54:47 -0700 [thread overview] Message-ID: <20200423005447.GM1868936@builder.lan> (raw) Message-ID: <20200423005447.G3ACbphxvYXpotdLIta1FSwhTYuYR0OdsHW_sC5I2p4@z> (raw) In-Reply-To: <1586389003-26675-5-git-send-email-sidgup@codeaurora.org> On Wed 08 Apr 16:36 PDT 2020, Siddharth Gupta wrote: > From: Rishabh Bhatnagar <rishabhb@codeaurora.org> > > When a client driver wishes to utilize functionality from a particular > subdevice of a remoteproc, it cannot differentiate between the subdevices > that have been added. This patch allows the client driver to distinguish > between subdevices and thus utilize their functionality. > As noted in patch 5, this invites driver authors to traverse the rproc subdev list outside the remoteproc core. So I would like to avoid this. Regards, Bjorn > Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org> > Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org> > --- > drivers/remoteproc/qcom_common.c | 6 ++++++ > include/linux/remoteproc.h | 2 ++ > 2 files changed, 8 insertions(+) > > diff --git a/drivers/remoteproc/qcom_common.c b/drivers/remoteproc/qcom_common.c > index 60650bc..1d2351b 100644 > --- a/drivers/remoteproc/qcom_common.c > +++ b/drivers/remoteproc/qcom_common.c > @@ -56,6 +56,7 @@ void qcom_add_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glink) > return; > > glink->dev = dev; > + glink->subdev.name = kstrdup("glink", GFP_KERNEL); > glink->subdev.start = glink_subdev_start; > glink->subdev.stop = glink_subdev_stop; > > @@ -73,6 +74,7 @@ void qcom_remove_glink_subdev(struct rproc *rproc, struct qcom_rproc_glink *glin > if (!glink->node) > return; > > + kfree(glink->subdev.name); > rproc_remove_subdev(rproc, &glink->subdev); > of_node_put(glink->node); > } > @@ -152,6 +154,7 @@ void qcom_add_smd_subdev(struct rproc *rproc, struct qcom_rproc_subdev *smd) > return; > > smd->dev = dev; > + smd->subdev.name = kstrdup("smd", GFP_KERNEL); > smd->subdev.start = smd_subdev_start; > smd->subdev.stop = smd_subdev_stop; > > @@ -169,6 +172,7 @@ void qcom_remove_smd_subdev(struct rproc *rproc, struct qcom_rproc_subdev *smd) > if (!smd->node) > return; > > + kfree(smd->subdev.name); > rproc_remove_subdev(rproc, &smd->subdev); > of_node_put(smd->node); > } > @@ -220,6 +224,7 @@ void qcom_add_ssr_subdev(struct rproc *rproc, struct qcom_rproc_ssr *ssr, > const char *ssr_name) > { > ssr->name = ssr_name; > + ssr->subdev.name = kstrdup("ssr_notifs", GFP_KERNEL); > ssr->subdev.unprepare = ssr_notify_unprepare; > > rproc_add_subdev(rproc, &ssr->subdev); > @@ -233,6 +238,7 @@ EXPORT_SYMBOL_GPL(qcom_add_ssr_subdev); > */ > void qcom_remove_ssr_subdev(struct rproc *rproc, struct qcom_rproc_ssr *ssr) > { > + kfree(ssr->subdev.name); > rproc_remove_subdev(rproc, &ssr->subdev); > } > EXPORT_SYMBOL_GPL(qcom_remove_ssr_subdev); > diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h > index c5d36e6..687e1eb 100644 > --- a/include/linux/remoteproc.h > +++ b/include/linux/remoteproc.h > @@ -523,6 +523,7 @@ struct rproc { > /** > * struct rproc_subdev - subdevice tied to a remoteproc > * @node: list node related to the rproc subdevs list > + * @name: name of the subdevice > * @prepare: prepare function, called before the rproc is started > * @start: start function, called after the rproc has been started > * @stop: stop function, called before the rproc is stopped; the @crashed > @@ -531,6 +532,7 @@ struct rproc { > */ > struct rproc_subdev { > struct list_head node; > + char *name; > > int (*prepare)(struct rproc_subdev *subdev); > int (*start)(struct rproc_subdev *subdev); > -- > Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, > a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2020-04-23 0:54 UTC|newest] Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-08 23:36 [PATCH v2 0/6] remoteproc: qcom: Add callbacks for remoteproc events Siddharth Gupta 2020-04-08 23:36 ` Siddharth Gupta 2020-04-08 23:36 ` [PATCH v2 1/6] remoteproc: sysmon: Add ability to send type of notification Siddharth Gupta 2020-04-15 17:03 ` Mathieu Poirier 2020-04-15 17:03 ` Mathieu Poirier 2020-04-20 7:05 ` Bjorn Andersson 2020-04-20 7:05 ` Bjorn Andersson 2020-04-08 23:36 ` [PATCH v2 2/6] remoteproc: sysmon: Add notifications for events Siddharth Gupta 2020-04-08 23:36 ` Siddharth Gupta 2020-04-15 17:03 ` Mathieu Poirier 2020-04-15 17:03 ` Mathieu Poirier 2020-04-20 7:05 ` Bjorn Andersson 2020-04-20 7:05 ` Bjorn Andersson 2020-04-08 23:36 ` [PATCH v2 3/6] remoteproc: sysmon: Inform current rproc about all active rprocs Siddharth Gupta 2020-04-08 23:36 ` Siddharth Gupta 2020-04-15 17:16 ` Mathieu Poirier 2020-04-15 17:16 ` Mathieu Poirier 2020-04-20 7:09 ` Bjorn Andersson 2020-04-20 7:09 ` Bjorn Andersson 2020-04-08 23:36 ` [PATCH v2 4/6] remoteproc: qcom: Add name field for every subdevice Siddharth Gupta 2020-04-08 23:36 ` Siddharth Gupta 2020-04-15 18:11 ` Mathieu Poirier 2020-04-15 18:11 ` Mathieu Poirier 2020-04-23 0:54 ` Bjorn Andersson [this message] 2020-04-23 0:54 ` Bjorn Andersson 2020-04-08 23:36 ` [PATCH v2 5/6] remoteproc: qcom: Add per subsystem SSR notification Siddharth Gupta 2020-04-08 23:36 ` Siddharth Gupta 2020-04-15 18:07 ` Mathieu Poirier 2020-04-15 18:07 ` Mathieu Poirier 2020-04-23 0:53 ` Bjorn Andersson 2020-04-23 0:53 ` Bjorn Andersson 2020-04-08 23:36 ` [PATCH v2 6/6] remoteproc: qcom: Add notification types to SSR Siddharth Gupta 2020-04-08 23:36 ` Siddharth Gupta 2020-04-15 18:10 ` Mathieu Poirier 2020-04-15 18:10 ` Mathieu Poirier 2020-04-23 0:58 ` Bjorn Andersson 2020-04-23 0:58 ` Bjorn Andersson
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