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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

Acked-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20200714200445.1427257-11-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Mathieu Poirier 2020-07-14 14:04:44 -06:00 committed by Bjorn Andersson
parent 11a7aaa72c
commit bee04d4672
1 changed files with 8 additions and 0 deletions
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8
drivers/remoteproc/stm32_rproc.c
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@ -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,