| Message ID | 20200803101128.20885-2-peter.ujfalusi@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | dmaengine: ti: k3-psil: Add support for j7200 | expand |
On 03-08-20, 13:11, Peter Ujfalusi wrote: > Instead of separate of_machine_is_compatible() it is better to use > soc_device_match() and soc_device_attribute struct to get the PSI-L map > for the booted device. > > By using soc_device_match() it is easier to add support for new devices. > > Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> > --- > drivers/dma/ti/k3-psil.c | 19 ++++++++++++++----- > 1 file changed, 14 insertions(+), 5 deletions(-) > > diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c > index fb7c8150b0d1..3ca29aabac93 100644 > --- a/drivers/dma/ti/k3-psil.c > +++ b/drivers/dma/ti/k3-psil.c > @@ -9,11 +9,18 @@ > #include <linux/init.h> > #include <linux/mutex.h> > #include <linux/of.h> > +#include <linux/sys_soc.h> > > #include "k3-psil-priv.h" > > static DEFINE_MUTEX(ep_map_mutex); > -static struct psil_ep_map *soc_ep_map; > +static const struct psil_ep_map *soc_ep_map; > + > +static const struct soc_device_attribute k3_soc_devices[] = { > + { .family = "AM65X", .data = &am654_ep_map }, > + { .family = "J721E", .data = &j721e_ep_map }, > + { /* sentinel */ } > +}; > > struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) > { > @@ -21,15 +28,17 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) > > mutex_lock(&ep_map_mutex); > if (!soc_ep_map) { > - if (of_machine_is_compatible("ti,am654")) { > - soc_ep_map = &am654_ep_map; > - } else if (of_machine_is_compatible("ti,j721e")) { > - soc_ep_map = &j721e_ep_map; > + const struct soc_device_attribute *soc; > + > + soc = soc_device_match(k3_soc_devices); > + if (soc) { > + soc_ep_map = soc->data; > } else { > pr_err("PSIL: No compatible machine found for map\n"); > mutex_unlock(&ep_map_mutex); > return ERR_PTR(-ENOTSUPP); > } > + not related > pr_debug("%s: Using map for %s\n", __func__, soc_ep_map->name); > } > mutex_unlock(&ep_map_mutex); > -- > Peter > > Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. > Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
On 03/08/2020 14.14, Vinod Koul wrote: > On 03-08-20, 13:11, Peter Ujfalusi wrote: >> Instead of separate of_machine_is_compatible() it is better to use >> soc_device_match() and soc_device_attribute struct to get the PSI-L map >> for the booted device. >> >> By using soc_device_match() it is easier to add support for new devices. >> >> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> >> --- >> drivers/dma/ti/k3-psil.c | 19 ++++++++++++++----- >> 1 file changed, 14 insertions(+), 5 deletions(-) >> >> diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c >> index fb7c8150b0d1..3ca29aabac93 100644 >> --- a/drivers/dma/ti/k3-psil.c >> +++ b/drivers/dma/ti/k3-psil.c >> @@ -9,11 +9,18 @@ >> #include <linux/init.h> >> #include <linux/mutex.h> >> #include <linux/of.h> >> +#include <linux/sys_soc.h> >> >> #include "k3-psil-priv.h" >> >> static DEFINE_MUTEX(ep_map_mutex); >> -static struct psil_ep_map *soc_ep_map; >> +static const struct psil_ep_map *soc_ep_map; >> + >> +static const struct soc_device_attribute k3_soc_devices[] = { >> + { .family = "AM65X", .data = &am654_ep_map }, >> + { .family = "J721E", .data = &j721e_ep_map }, >> + { /* sentinel */ } >> +}; >> >> struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) >> { >> @@ -21,15 +28,17 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) >> >> mutex_lock(&ep_map_mutex); >> if (!soc_ep_map) { >> - if (of_machine_is_compatible("ti,am654")) { >> - soc_ep_map = &am654_ep_map; >> - } else if (of_machine_is_compatible("ti,j721e")) { >> - soc_ep_map = &j721e_ep_map; >> + const struct soc_device_attribute *soc; >> + >> + soc = soc_device_match(k3_soc_devices); >> + if (soc) { >> + soc_ep_map = soc->data; >> } else { >> pr_err("PSIL: No compatible machine found for map\n"); >> mutex_unlock(&ep_map_mutex); >> return ERR_PTR(-ENOTSUPP); >> } >> + > > not related True, I'll drop it. > >> pr_debug("%s: Using map for %s\n", __func__, soc_ep_map->name); >> } >> mutex_unlock(&ep_map_mutex); Thanks, - Péter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
diff --git a/drivers/dma/ti/k3-psil.c b/drivers/dma/ti/k3-psil.c index fb7c8150b0d1..3ca29aabac93 100644 --- a/drivers/dma/ti/k3-psil.c +++ b/drivers/dma/ti/k3-psil.c @@ -9,11 +9,18 @@ #include <linux/init.h> #include <linux/mutex.h> #include <linux/of.h> +#include <linux/sys_soc.h> #include "k3-psil-priv.h" static DEFINE_MUTEX(ep_map_mutex); -static struct psil_ep_map *soc_ep_map; +static const struct psil_ep_map *soc_ep_map; + +static const struct soc_device_attribute k3_soc_devices[] = { + { .family = "AM65X", .data = &am654_ep_map }, + { .family = "J721E", .data = &j721e_ep_map }, + { /* sentinel */ } +}; struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) { @@ -21,15 +28,17 @@ struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) mutex_lock(&ep_map_mutex); if (!soc_ep_map) { - if (of_machine_is_compatible("ti,am654")) { - soc_ep_map = &am654_ep_map; - } else if (of_machine_is_compatible("ti,j721e")) { - soc_ep_map = &j721e_ep_map; + const struct soc_device_attribute *soc; + + soc = soc_device_match(k3_soc_devices); + if (soc) { + soc_ep_map = soc->data; } else { pr_err("PSIL: No compatible machine found for map\n"); mutex_unlock(&ep_map_mutex); return ERR_PTR(-ENOTSUPP); } + pr_debug("%s: Using map for %s\n", __func__, soc_ep_map->name); } mutex_unlock(&ep_map_mutex);
Instead of separate of_machine_is_compatible() it is better to use soc_device_match() and soc_device_attribute struct to get the PSI-L map for the booted device. By using soc_device_match() it is easier to add support for new devices. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> --- drivers/dma/ti/k3-psil.c | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-)