From: Mathieu Poirier <mathieu.poirier@linaro.org> To: bjorn.andersson@linaro.org, ohad@wizery.com Cc: arnaud.pouliquen@st.com, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 17/17] remoteproc: Refactor function rproc_cdev_release() Date: Fri, 12 Mar 2021 09:24:53 -0700 [thread overview] Message-ID: <20210312162453.1234145-18-mathieu.poirier@linaro.org> (raw) In-Reply-To: <20210312162453.1234145-1-mathieu.poirier@linaro.org> Refactor function rproc_cdev_release() to take into account the current state of the remote processor when choosing the state to transition to. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> --- drivers/remoteproc/remoteproc_cdev.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/remoteproc_cdev.c b/drivers/remoteproc/remoteproc_cdev.c index 2db494816d5f..0b8a84c04f76 100644 --- a/drivers/remoteproc/remoteproc_cdev.c +++ b/drivers/remoteproc/remoteproc_cdev.c @@ -86,11 +86,17 @@ static long rproc_device_ioctl(struct file *filp, unsigned int ioctl, unsigned l static int rproc_cdev_release(struct inode *inode, struct file *filp) { struct rproc *rproc = container_of(inode->i_cdev, struct rproc, cdev); + int ret = 0; + + if (!rproc->cdev_put_on_release) + return 0; - if (rproc->cdev_put_on_release && rproc->state == RPROC_RUNNING) + if (rproc->state == RPROC_RUNNING) rproc_shutdown(rproc); + else if (rproc->state == RPROC_ATTACHED) + ret = rproc_detach(rproc); - return 0; + return ret; } static const struct file_operations rproc_fops = { -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Mathieu Poirier <mathieu.poirier@linaro.org> To: bjorn.andersson@linaro.org, ohad@wizery.com Cc: arnaud.pouliquen@st.com, mcoquelin.stm32@gmail.com, alexandre.torgue@st.com, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v8 17/17] remoteproc: Refactor function rproc_cdev_release() Date: Fri, 12 Mar 2021 09:24:53 -0700 [thread overview] Message-ID: <20210312162453.1234145-18-mathieu.poirier@linaro.org> (raw) In-Reply-To: <20210312162453.1234145-1-mathieu.poirier@linaro.org> Refactor function rproc_cdev_release() to take into account the current state of the remote processor when choosing the state to transition to. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> --- drivers/remoteproc/remoteproc_cdev.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/remoteproc_cdev.c b/drivers/remoteproc/remoteproc_cdev.c index 2db494816d5f..0b8a84c04f76 100644 --- a/drivers/remoteproc/remoteproc_cdev.c +++ b/drivers/remoteproc/remoteproc_cdev.c @@ -86,11 +86,17 @@ static long rproc_device_ioctl(struct file *filp, unsigned int ioctl, unsigned l static int rproc_cdev_release(struct inode *inode, struct file *filp) { struct rproc *rproc = container_of(inode->i_cdev, struct rproc, cdev); + int ret = 0; + + if (!rproc->cdev_put_on_release) + return 0; - if (rproc->cdev_put_on_release && rproc->state == RPROC_RUNNING) + if (rproc->state == RPROC_RUNNING) rproc_shutdown(rproc); + else if (rproc->state == RPROC_ATTACHED) + ret = rproc_detach(rproc); - return 0; + return ret; } static const struct file_operations rproc_fops = { -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-03-12 16:26 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-12 16:24 [PATCH v8 00/17] remoteproc: Add support for detaching a remote processor Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 01/17] remoteproc: Remove useless check in rproc_del() Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 02/17] remoteproc: Rename function rproc_actuate() Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 03/17] remoteproc: Add new RPROC_ATTACHED state Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 04/17] remoteproc: Properly represent the attached state Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 05/17] remoteproc: Add new get_loaded_rsc_table() to rproc_ops Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 06/17] remoteproc: stm32: Move resource table setup " Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 07/17] remoteproc: stm32: Move memory parsing " Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 08/17] remoteproc: Add new detach() remoteproc operation Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 09/17] remoteproc: Introduce function __rproc_detach() Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 10/17] remoteproc: Introduce function rproc_detach() Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 11/17] remoteproc: Properly deal with the resource table when detaching Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 12/17] remoteproc: Properly deal with the resource table when stopping Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 13/17] remoteproc: Properly deal with a kernel panic when attached Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 14/17] remoteproc: Properly deal with a start request " Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 15/17] remoteproc: Properly deal with a stop " Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` [PATCH v8 16/17] remoteproc: Properly deal with a detach " Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier 2021-03-12 16:24 ` Mathieu Poirier [this message] 2021-03-12 16:24 ` [PATCH v8 17/17] remoteproc: Refactor function rproc_cdev_release() Mathieu Poirier
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