From: Vignesh Raghavendra vigneshr@ti.com

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 --- drivers/firmware/ti_sci.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index 1fd29f2cdf..62b1dc2006 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -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 */