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firmware: ti_sci: Parse all resource ranges even if some is not available 

Do not fail if any of the requested subtypes are not available, but set the
number of resources to 0 and continue parsing the resource ranges.

Based on Linux kernel patch by Peter Ujfalusi <peter.ujfalusi@ti.com>

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Vignesh Raghavendra 2019-08-05 12:26:44 -05:00 committed by Tom Rini
parent 51cd1e2373
commit c659a979ea
1 changed files with 10 additions and 3 deletions
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13
drivers/firmware/ti_sci.c
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@ -3170,6 +3170,7 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle,
u32 resource_subtype;
u16 resource_type;
struct ti_sci_resource *res;
bool valid_set = false;
int sets, i, ret;
u32 *temp;
@ -3209,12 +3210,15 @@ 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, "type %d subtype %d not allocated for host %d\n",
dev_dbg(dev, "type %d subtype %d not allocated for host %d\n",
resource_type, resource_subtype,
handle_to_ti_sci_info(handle)->host_id);
return ERR_PTR(ret);
res->desc[i].start = 0;
res->desc[i].num = 0;
continue;
}
valid_set = true;
dev_dbg(dev, "res type = %d, subtype = %d, start = %d, num = %d\n",
resource_type, resource_subtype, res->desc[i].start,
res->desc[i].num);
@ -3226,7 +3230,10 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle,
return ERR_PTR(-ENOMEM);
}
return res;
if (valid_set)
return res;
return ERR_PTR(-EINVAL);
}
/* Description for K2G */