[PATCH v4 7/8] ACPI: property: Skip MIPI property table without "mipi-img" prefix

Sakari Ailus
2023-02-08T15:29:18Z

For all _DSD properties, skip going through the MIPI DisCo for Imaging
property name substitution table if the property doesn't have "mipi-img-"
prefix.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
drivers/acpi/mipi.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/acpi/mipi.c b/drivers/acpi/mipi.c
index a0d0d539ab1f0..7d35351553cc7 100644
--- a/drivers/acpi/mipi.c
+++ b/drivers/acpi/mipi.c
@@ -726,6 +726,8 @@ void acpi_init_swnodes(struct acpi_device *device)
primary->secondary = software_node_fwnode(ads->nodes);
}

+#define MIPI_IMG_PREFIX "mipi-img-"
+
static const struct mipi_disco_prop {
const char *mipi_prop;
const char *dt_prop;
@@ -751,6 +753,9 @@ void acpi_properties_prepare_mipi(union acpi_object *elements)
{
unsigned int i;

+ if (!str_has_prefix(elements[0].string.pointer, MIPI_IMG_PREFIX))
+ return;
+
/* Replace MIPI DisCo for Imaging property names with DT equivalents. */
for (i = 0; i < ARRAY_SIZE(mipi_disco_props); i++) {
if (!strcmp(mipi_disco_props[i].mipi_prop,
--
2.30.2