This patch exports the smartreflex efuse values for all 5 OPPs via
sysfs. This can be useful to track down silicon specific problems.
Signed-off-by: Peter 'p2' De Schrijver <peter.de-schrijver@xxxxxxxxx>
---
arch/arm/mach-omap2/smartreflex.c | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index 9fa033d..3c506d1 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -759,7 +759,24 @@ static struct kobj_attribute sr_vdd2_autocomp = {
.store = omap_sr_vdd2_autocomp_store,
};
+static ssize_t omap_sr_opp1_efuse_show(struct kobject *kobj,
+ struct kobj_attribute *attr,
+ char *buf)
+{
+ return sprintf(buf, "%08x\n%08x\n%08x\n%08x\n%08x\n", sr1.opp1_nvalue,
+ sr1.opp2_nvalue,
+ sr1.opp3_nvalue,
+ sr1.opp4_nvalue,
+ sr1.opp5_nvalue);
+}
+static struct kobj_attribute sr_efuse = {
+ .attr = {
+ .name = "Efuse",
+ .mode = 0444,
+ },
+ .show = omap_sr_opp1_efuse_show,
+};
static int __init omap3_sr_init(void)
{
@@ -807,6 +824,11 @@ static int __init omap3_sr_init(void)
if (ret)
printk(KERN_ERR "sysfs_create_file failed: %d\n", ret);
+ ret = sysfs_create_file(power_kobj, &sr_efuse.attr);
+ if (ret)
+ printk(KERN_ERR "sysfs_create_file failed for OPP data: %d\n",
+ ret);
+
return 0;
}
--
1.6.2.4
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