| Message ID | 20200324220329.15523-11-mathieu.poirier@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | remoteproc: stm32: Add support for synchronisation with MCU | expand |
> -----Original Message----- > From: Mathieu Poirier <mathieu.poirier@linaro.org> > Sent: mardi 24 mars 2020 23:03 > To: bjorn.andersson@linaro.org > Cc: ohad@wizery.com; Loic PALLARDY <loic.pallardy@st.com>; s- > anna@ti.com; peng.fan@nxp.com; Arnaud POULIQUEN > <arnaud.pouliquen@st.com>; Fabien DESSENNE > <fabien.dessenne@st.com>; linux-remoteproc@vger.kernel.org > Subject: [PATCH 10/11] remoteproc: stm32: Introduce new loaded rsc ops for > synchronisation > > 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> Thanks Mathieu Reviewed-by: Loic Pallardy <loic.pallardy@st.com> > --- > 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 4268d71f191d..07be306c0fb1 100644 > --- a/drivers/remoteproc/stm32_rproc.c > +++ b/drivers/remoteproc/stm32_rproc.c > @@ -317,6 +317,15 @@ 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; > @@ -604,6 +613,7 @@ static __maybe_unused struct rproc_ops > st_rproc_sync_ops = { > .stop = stm32_rproc_sync_stop, > .kick = stm32_rproc_kick, > .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 4268d71f191d..07be306c0fb1 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -317,6 +317,15 @@ 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; @@ -604,6 +613,7 @@ static __maybe_unused struct rproc_ops st_rproc_sync_ops = { .stop = stm32_rproc_sync_stop, .kick = stm32_rproc_kick, .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[] = {
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> --- drivers/remoteproc/stm32_rproc.c | 10 ++++++++++ 1 file changed, 10 insertions(+)