Commit fa42da11 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Santosh Shilimkar
Browse files

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: default avatarLokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: default avatarTero Kristo <t-kristo@ti.com>
Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@oracle.com>
parent 1e407f33

drivers/firmware/ti_sci.c

+10 −3
Original line number Diff line number Diff line
@@ -3180,6 +3180,7 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, 
			    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 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, 
							&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 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, 
	}

	raw_spin_lock_init(&res->lock);



	if (valid_set)

		return res;



	return ERR_PTR(-EINVAL);

}



static int tisci_reboot_handler(struct notifier_block *nb, unsigned long mode,

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