[PATCH v6 10/11] remoteproc: stm32: Introduce new attach() operation

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Introduce new attach function to be used when attaching to a
remote processor.

Mainly based on the work published by Arnaud Pouliquen [1].

[1]. https://patchwork.kernel.org/project/linux-remoteproc/list/?series=239877

Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
---
 drivers/remoteproc/stm32_rproc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c
index 882229f3b1c9..7145cd49616e 100644
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -460,6 +460,13 @@ static int stm32_rproc_start(struct rproc *rproc)
 	return stm32_rproc_set_hold_boot(rproc, true);
 }
 
+static int stm32_rproc_attach(struct rproc *rproc)
+{
+	stm32_rproc_add_coredump_trace(rproc);
+
+	return stm32_rproc_set_hold_boot(rproc, true);
+}
+
 static int stm32_rproc_stop(struct rproc *rproc)
 {
 	struct stm32_rproc *ddata = rproc->priv;
@@ -525,6 +532,7 @@ static void stm32_rproc_kick(struct rproc *rproc, int vqid)
 static struct rproc_ops st_rproc_ops = {
 	.start		= stm32_rproc_start,
 	.stop		= stm32_rproc_stop,
+	.attach		= stm32_rproc_attach,
 	.kick		= stm32_rproc_kick,
 	.load		= rproc_elf_load_segments,
 	.parse_fw	= stm32_rproc_parse_fw,
-- 
2.25.1




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