firmware: ti_sci: Parse all resource ranges even if some is not available
Do not fail if any of the requested subtypes are not availabe, but set the
number of resources to 0 and continue parsing the resource ranges.
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c
index b47e33e..86b2727 100644
--- a/drivers/firmware/ti_sci.c
+++ b/drivers/firmware/ti_sci.c
@@ -3180,6 +3180,7 @@
struct device *dev, u32 dev_id, char *of_prop)
{
struct ti_sci_resource *res;
+ bool valid_set = false;
u32 resource_subtype;
int i, ret;
@@ -3210,15 +3211,18 @@
&res->desc[i].start,
&res->desc[i].num);
if (ret) {
- dev_err(dev, "dev = %d subtype %d not allocated for this host\n",
+ dev_dbg(dev, "dev = %d subtype %d not allocated for this host\n",
dev_id, resource_subtype);
- return ERR_PTR(ret);
+ res->desc[i].start = 0;
+ res->desc[i].num = 0;
+ continue;
}
dev_dbg(dev, "dev = %d, subtype = %d, start = %d, num = %d\n",
dev_id, resource_subtype, res->desc[i].start,
res->desc[i].num);
+ valid_set = true;
res->desc[i].res_map =
devm_kzalloc(dev, BITS_TO_LONGS(res->desc[i].num) *
sizeof(*res->desc[i].res_map), GFP_KERNEL);
@@ -3227,7 +3231,10 @@
}
raw_spin_lock_init(&res->lock);
- return res;
+ if (valid_set)
+ return res;
+
+ return ERR_PTR(-EINVAL);
}
static int tisci_reboot_handler(struct notifier_block *nb, unsigned long mode,
