| Message ID | 20200424202505.29562-9-mathieu.poirier@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | remoteproc: stm32: Add support for synchronising with M4 | expand |
On 4/24/20 10:25 PM, Mathieu Poirier wrote: > Introduce new start functions to be used when synchonising with an MCU. > > 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@linaro.org> Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@st.com> Thanks, Arnaud > --- > drivers/remoteproc/stm32_rproc.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c > index 8ba69e903851..404f17a97095 100644 > --- a/drivers/remoteproc/stm32_rproc.c > +++ b/drivers/remoteproc/stm32_rproc.c > @@ -449,6 +449,13 @@ static int stm32_rproc_start(struct rproc *rproc) > return stm32_rproc_set_hold_boot(rproc, true); > } > > +static int stm32_rproc_sync_start(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; > @@ -522,6 +529,10 @@ static struct rproc_ops st_rproc_ops = { > .get_boot_addr = rproc_elf_get_boot_addr, > }; > > +static __maybe_unused struct rproc_ops st_rproc_sync_ops = { > + .start = stm32_rproc_sync_start, > +}; > + > static const struct of_device_id stm32_rproc_match[] = { > { .compatible = "st,stm32mp1-m4" }, > {}, >
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c index 8ba69e903851..404f17a97095 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -449,6 +449,13 @@ static int stm32_rproc_start(struct rproc *rproc) return stm32_rproc_set_hold_boot(rproc, true); } +static int stm32_rproc_sync_start(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; @@ -522,6 +529,10 @@ static struct rproc_ops st_rproc_ops = { .get_boot_addr = rproc_elf_get_boot_addr, }; +static __maybe_unused struct rproc_ops st_rproc_sync_ops = { + .start = stm32_rproc_sync_start, +}; + static const struct of_device_id stm32_rproc_match[] = { { .compatible = "st,stm32mp1-m4" }, {},
Introduce new start functions to be used when synchonising with an MCU. 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@linaro.org> --- drivers/remoteproc/stm32_rproc.c | 11 +++++++++++ 1 file changed, 11 insertions(+)