diff options
Diffstat (limited to 'drivers/remoteproc')
| -rw-r--r-- | drivers/remoteproc/rpres.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/remoteproc/rpres.c b/drivers/remoteproc/rpres.c index 186a63b..7a200a4 100644 --- a/drivers/remoteproc/rpres.c +++ b/drivers/remoteproc/rpres.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/err.h> +#include <linux/opp.h> #include <plat/omap_device.h> #include <plat/rpres.h> @@ -124,6 +125,22 @@ int rpres_set_constraints(struct rpres *obj, enum rpres_constraint type, } EXPORT_SYMBOL(rpres_set_constraints); +unsigned long rpres_get_max_freq(struct rpres *obj) +{ + struct platform_device *pdev = obj->pdev; + struct opp *opp; + unsigned long maxfreq = ULONG_MAX; + + rcu_read_lock(); + opp = opp_find_freq_floor(&pdev->dev, &maxfreq); + if (IS_ERR(opp)) + maxfreq = 0; + rcu_read_unlock(); + + return maxfreq; +} +EXPORT_SYMBOL(rpres_get_max_freq); + static int rpres_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; |