diff options
Diffstat (limited to 'arch/arm/mach-omap2/opp.c')
| -rw-r--r-- | arch/arm/mach-omap2/opp.c | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/arch/arm/mach-omap2/opp.c b/arch/arm/mach-omap2/opp.c index d8f6dbf45d16..58e16aef40bb 100644 --- a/arch/arm/mach-omap2/opp.c +++ b/arch/arm/mach-omap2/opp.c @@ -18,6 +18,7 @@ */ #include <linux/module.h> #include <linux/opp.h> +#include <linux/cpu.h> #include <plat/omap_device.h> @@ -62,27 +63,34 @@ 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); 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); 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); } |