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Subject[RFC LINUX PATCH 02/19] remtoeproc: Add an operation to check if remote is running
Date
From: Wendy Liang <wendy.liang@xilinx.com>

Add a remoteproc driver operation to check if the remote is running.

Signed-off-by: Wendy Liang <jliang@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---
drivers/remoteproc/remoteproc_core.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 9d32737..dfa2aad 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -888,6 +888,16 @@ static void rproc_resource_cleanup(struct rproc *rproc)
}

/*
+ * check if the remote is running
+ */
+static bool rproc_is_running(struct rproc *rproc)
+{
+ if (rproc->ops->is_running)
+ return rproc->ops->is_running(rproc);
+ return (rproc->state == RPROC_RUNNING) ? true : false;
+}
+
+/*
* take a firmware and boot a remote processor with it.
*/
static int rproc_fw_boot(struct rproc *rproc, const struct firmware *fw)
--
1.9.1
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