From 6e71d2b2a2b717c3bddbe72cdf48dd07d53f8364 Mon Sep 17 00:00:00 2001 From: Mathieu Poirier Date: Fri, 12 Mar 2021 09:24:53 -0700 Subject: [PATCH] remoteproc: Refactor function rproc_cdev_release() 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 Link: https://lore.kernel.org/r/20210312162453.1234145-18-mathieu.poirier@linaro.org Signed-off-by: Bjorn Andersson --- 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 2db4948..0b8a84c 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 = { -- 2.7.4