| Message ID | 20200424202505.29562-12-mathieu.poirier@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | remoteproc: stm32: Add support for synchronising with M4 | expand |
On Fri 24 Apr 13:25 PDT 2020, Mathieu Poirier wrote: > Introduce new elf find loaded resource table rproc_ops 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: Loic Pallardy <loic.pallardy@st.com> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org> But I would have preferred if we during probe (when we discover rsc_va) could just set it on the rproc. Regards, Bjorn > --- > drivers/remoteproc/stm32_rproc.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c > index b8ae8aed5585..dcae6103e3df 100644 > --- a/drivers/remoteproc/stm32_rproc.c > +++ b/drivers/remoteproc/stm32_rproc.c > @@ -319,6 +319,15 @@ static int stm32_rproc_sync_parse_fw(struct rproc *rproc, > return stm32_rproc_sync_elf_load_rsc_table(rproc, fw); > } > > +static struct resource_table * > +stm32_rproc_sync_elf_find_loaded_rsc_table(struct rproc *rproc, > + const struct firmware *fw) > +{ > + struct stm32_rproc *ddata = rproc->priv; > + > + return (struct resource_table *)ddata->rsc_va; > +} > + > static irqreturn_t stm32_rproc_wdg(int irq, void *data) > { > struct platform_device *pdev = data; > @@ -593,6 +602,7 @@ static __maybe_unused struct rproc_ops st_rproc_sync_ops = { > .start = stm32_rproc_sync_start, > .stop = stm32_rproc_stop, > .parse_fw = stm32_rproc_sync_parse_fw, > + .find_loaded_rsc_table = stm32_rproc_sync_elf_find_loaded_rsc_table, > }; > > static const struct of_device_id stm32_rproc_match[] = { > -- > 2.20.1 >
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c index b8ae8aed5585..dcae6103e3df 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -319,6 +319,15 @@ static int stm32_rproc_sync_parse_fw(struct rproc *rproc, return stm32_rproc_sync_elf_load_rsc_table(rproc, fw); } +static struct resource_table * +stm32_rproc_sync_elf_find_loaded_rsc_table(struct rproc *rproc, + const struct firmware *fw) +{ + struct stm32_rproc *ddata = rproc->priv; + + return (struct resource_table *)ddata->rsc_va; +} + static irqreturn_t stm32_rproc_wdg(int irq, void *data) { struct platform_device *pdev = data; @@ -593,6 +602,7 @@ static __maybe_unused struct rproc_ops st_rproc_sync_ops = { .start = stm32_rproc_sync_start, .stop = stm32_rproc_stop, .parse_fw = stm32_rproc_sync_parse_fw, + .find_loaded_rsc_table = stm32_rproc_sync_elf_find_loaded_rsc_table, }; static const struct of_device_id stm32_rproc_match[] = {