diff options
Diffstat (limited to 'arch/arm/mach-omap2/opp.c')
| -rw-r--r-- | arch/arm/mach-omap2/opp.c | 49 |
1 files changed, 30 insertions, 19 deletions
diff --git a/arch/arm/mach-omap2/opp.c b/arch/arm/mach-omap2/opp.c index de6d4645174..a358a07e18f 100644 --- a/arch/arm/mach-omap2/opp.c +++ b/arch/arm/mach-omap2/opp.c @@ -17,9 +17,11 @@ * GNU General Public License for more details. */ #include <linux/module.h> -#include <linux/opp.h> +#include <linux/of.h> +#include <linux/pm_opp.h> +#include <linux/cpu.h> -#include <plat/omap_device.h> +#include "omap_device.h" #include "omap_opp_data.h" @@ -39,6 +41,9 @@ int __init omap_init_opp_table(struct omap_opp_def *opp_def, { int i, r; + if (of_have_populated_dt()) + return -EINVAL; + if (!opp_def || !opp_def_size) { pr_err("%s: invalid params!\n", __func__); return -EINVAL; @@ -53,7 +58,7 @@ int __init omap_init_opp_table(struct omap_opp_def *opp_def, omap_table_init = 1; /* Lets now register with OPP library */ - for (i = 0; i < opp_def_size; i++) { + for (i = 0; i < opp_def_size; i++, opp_def++) { struct omap_hwmod *oh; struct device *dev; @@ -62,31 +67,37 @@ int __init omap_init_opp_table(struct omap_opp_def *opp_def, __func__, i); return -EINVAL; } - oh = omap_hwmod_lookup(opp_def->hwmod_name); - if (!oh || !oh->od) { - pr_debug("%s: no hwmod or odev for %s, [%d] " - "cannot add OPPs.\n", __func__, - opp_def->hwmod_name, i); - continue; + + if (!strncmp(opp_def->hwmod_name, "mpu", 3)) { + /* + * All current OMAPs share voltage rail and + * clock source, so CPU0 is used to represent + * the MPU-SS. + */ + dev = get_cpu_device(0); + } else { + oh = omap_hwmod_lookup(opp_def->hwmod_name); + if (!oh || !oh->od) { + pr_debug("%s: no hwmod or odev for %s, [%d] cannot add OPPs.\n", + __func__, opp_def->hwmod_name, i); + continue; + } + dev = &oh->od->pdev->dev; } - dev = &oh->od->pdev->dev; - r = opp_add(dev, opp_def->freq, opp_def->u_volt); + r = dev_pm_opp_add(dev, opp_def->freq, opp_def->u_volt); if (r) { - dev_err(dev, "%s: add OPP %ld failed for %s [%d] " - "result=%d\n", - __func__, opp_def->freq, - opp_def->hwmod_name, i, r); + dev_err(dev, "%s: add OPP %ld failed for %s [%d] result=%d\n", + __func__, opp_def->freq, + opp_def->hwmod_name, i, r); } else { if (!opp_def->default_available) - r = opp_disable(dev, opp_def->freq); + r = dev_pm_opp_disable(dev, opp_def->freq); if (r) - dev_err(dev, "%s: disable %ld failed for %s " - "[%d] result=%d\n", + dev_err(dev, "%s: disable %ld failed for %s [%d] result=%d\n", __func__, opp_def->freq, opp_def->hwmod_name, i, r); } - opp_def++; } return 0; |
