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[2/5] firmware: arm_ffa: Replace UUID buffer to standard UUID format

Message ID 20241224-ffa_updates-v1-2-01233aba3e1e@arm.com (mailing list archive)
State New
Headers show
Series firmware: arm_ffa: Few updates and fixes | expand

Commit Message

Sudeep Holla Dec. 24, 2024, 1:57 p.m. UTC 
Currently ffa_partition_info structure holds the UUID in the format
compatible with the firmware interface. However, most of the functions
in the FF-A core driver deals directly with uuid_t type.

Replace UUID buffer to standard UUID format in the ffa_partition_info
structure.

Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
---
 drivers/firmware/arm_ffa/bus.c | 4 +---
 include/linux/arm_ffa.h        | 2 +-
 2 files changed, 2 insertions(+), 4 deletions(-)
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Patch

diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c
index 52b1f09209a0e51e321cd23a69aa7e4c4daa8dd1..a90e2faa990219574ff20b8f573dbb7ca76137d9 100644
--- a/drivers/firmware/arm_ffa/bus.c
+++ b/drivers/firmware/arm_ffa/bus.c
@@ -192,7 +192,6 @@  ffa_device_register(const struct ffa_partition_info *part_info,
 		    const struct ffa_ops *ops)
 {
 	int id, ret;
-	uuid_t uuid;
 	struct device *dev;
 	struct ffa_device *ffa_dev;
 
@@ -218,8 +217,7 @@  ffa_device_register(const struct ffa_partition_info *part_info,
 	ffa_dev->vm_id = part_info->id;
 	ffa_dev->properties = part_info->properties;
 	ffa_dev->ops = ops;
-	import_uuid(&uuid, (u8 *)part_info->uuid);
-	uuid_copy(&ffa_dev->uuid, &uuid);
+	uuid_copy(&ffa_dev->uuid, &part_info->uuid);
 
 	ret = device_register(&ffa_dev->dev);
 	if (ret) {
diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h
index 74169dd0f65948b05991732358855cdc31b54adb..abd0208f0f74c15ef4ee4c81de81eb7800a0eb1d 100644
--- a/include/linux/arm_ffa.h
+++ b/include/linux/arm_ffa.h
@@ -238,7 +238,7 @@  struct ffa_partition_info {
 /* partition runs in the AArch64 execution state. */
 #define FFA_PARTITION_AARCH64_EXEC	BIT(8)
 	u32 properties;
-	u32 uuid[4];
+	uuid_t uuid;
 };
 
 static inline